Java学习者

作者：微信小助手

<section> <section style="display: inline-block;"> <img data-ratio="0.4876847290640394" src="/upload/ab14bbc01b375895aa11b42936822b54.jpg" data-type="jpeg" data-w="1015"> </section> </section> <p> <ne-clipboard 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被拖欠薪酬，公司服务器到期不续费，项目收尾备份服务文件。

作者：微信小助手

<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="margin-bottom: 0px;padding-left: 10px;padding-right: 10px;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;width: auto;font-family: PingFangSC-regular, sans-serif;font-size: 16px;color: rgb(0, 0, 0);line-height: 1.5em;word-spacing: 0em;letter-spacing: 0em;word-break: break-word;text-align: left;"> <h1 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 24px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">引言</span><span style="display: none;"></span></h1> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">背景：预算不足，项目终止。</p> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">计划：停止服务 </p> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">方案：</p> <ul data-tool="mdnice编辑器" style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 15px;line-height: 1.8em;letter-spacing: 0em;"> 代码备份、流水线配置备份 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 15px;line-height: 1.8em;letter-spacing: 0em;"> 备份数据库、ngnix、redis、nacos等中间件相关配置文件。 <img class="rich_pages wxw-img" data-imgfileid="100014550" data-ratio="0.47129629629629627" src="/upload/0f62a0ee9683e6cc21d28ae85ee9c2ff.png" data-type="png" data-w="1080" style="display: block;margin-right: auto;margin-left: auto;"> </section></li> </ul> <h1 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 24px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">I  文件备份</span><span style="display: none;"></span></h1> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014552" data-ratio="0.5481481481481482" src="/upload/2454a2585c31cff64a9dcc3fb6851a6b.png" data-type="png" data-w="1080" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">1.1 数据库文件/证书</span><span style="display: none;"></span></h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014551" data-ratio="0.49444444444444446" src="/upload/58855898a1a4e4fe5edee0e2dfcd2693.png" data-type="png" data-w="1080" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">可从宝塔面板下载证书、数据库等文件。<img class="rich_pages wxw-img" data-imgfileid="100014548" data-ratio="0.2712962962962963" src="/upload/bc4131f0fefc0a28ea0f0b1100d84070.png" data-type="png" data-w="1080" style="display: block;margin-right: auto;margin-left: auto;"></p> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">1.2 redis</span><span style="display: none;"></span></h2> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">redis持久化操作</p> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;"><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 1、进入redis的配置文件目录</span><br><span style="color: #e6c07b;line-height: 26px;">cd</span> /mydata/redis/conf/<br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 2、猫一眼此时的配置文件内容，没错，是空的</span><br>cat redis.conf<br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 3、编辑该配置文件，设置数据持久化</span><br>vim redis.conf<br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 4、进入该文件的插入模式，将下面的代码复制进去</span><br>appendonly yes<br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 5、保存并退出【先按[Esc]键】</span><br>:wq<br><br><br></code></pre> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">redis.conf</p> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;">[root@iZbp1554676oowtsluc7nkZ conf]<span style="color: #5c6370;font-style: italic;line-height: 26px;"># cat redis.conf</span><br>requirepass 8888_prod<br>appendonly yes<br>appendfsync no<br>maxclients 1000 <br>timeout 300 <br>tcp-keepalive 60<br></code></pre> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">创建容器</p> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;">docker run -p 6379:6379 --name redis -e <span style="color: #98c379;line-height: 26px;">"TZ=Asia/Shanghai"</span> --restart=on-failure:3 -v /mydata/redis/data:/data -v /mydata/redis/conf/redis.conf:/etc/redis/redis.conf -v /app/D/code/<span style="color: #e6c07b;line-height: 26px;">log</span>/redis.log:/app/D/code/<span style="color: #e6c07b;line-height: 26px;">log</span>/redis.log -d redis redis-server /etc/redis/redis.conf<br><br></code></pre> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;">docker run -it --name redis_6379 -p 6379:6379 -v /usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/software/redis/6379/conf/redis.conf:/usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/etc/redis/redis.conf -v /usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/software/redis/6379/data/:/data -v /usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/software/redis/6379/<span style="color: #e6c07b;line-height: 26px;">log</span>/redis.log:/var/<span style="color: #e6c07b;line-height: 26px;">log</span>/redis.log  -d redis:6.2.7 /usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/etc/redis/redis.conf<br><br><br></code></pre> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014549" data-ratio="0.23333333333333334" src="/upload/35bcbd2b74f7ab7baa3e86dbf3f4b77e.png" data-type="png" data-w="1080" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">HostConfig</p> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;">   <span style="color: #98c379;line-height: 26px;">"HostConfig"</span>: {<br>      <span style="color: #98c379;line-height: 26px;">"Binds"</span>: [<br>         <span style="color: #98c379;line-height: 26px;">"/mydata/redis/data:/data"</span>,<br>         <span style="color: #98c379;line-height: 26px;">"/mydata/redis/conf/redis.conf:/etc/redis/redis.conf"</span>,<br>         <span style="color: #98c379;line-height: 26px;">"/app/D/code/log/redis.log:/app/D/code/log/redis.log"</span><br>      ],<br>      <span style="color: #98c379;line-height: 26px;">"PortBindings"</span>: {<br>         <span style="color: #98c379;line-height: 26px;">"6379/tcp"</span>: [<br>            {<br>               <span style="color: #98c379;line-height: 26px;">"HostIp"</span>: <span style="color: #98c379;line-height: 26px;">""</span>,<br>               <span style="color: #98c379;line-height: 26px;">"HostPort"</span>: <span style="color: #98c379;line-height: 26px;">"6379"</span><br>            }<br>         ]<br>      },<br></code></pre> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">1.3 nacos</span><span style="display: none;"></span></h2> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;">docker pull zhusaidong/nacos-server-m1:2.0.3<br><br>docker run -d -p 8848:8848 --env MODE=standalone  --name nacos  zhusaidong/nacos-server-m1:2.0.3<br><br>docker run --env MODE=standalone  --name nacos -d -p 8848:8848   --restart=always  nacos/nacos-server:latest<br><br><br></code></pre> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">外接mysql，docker部署方式</p> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;">docker run  --env NACOS_APPLICATION_PORT=8848 --env MODE=standalone  -e SPRING_DATASOURCE_PLATFORM=mysql -e MYSQL_SERVICE_HOST=xxx  -e MYSQL_SERVICE_PORT=3306 -e MYSQL_SERVICE_USER=wcp -e MYSQL_SERVICE_PASSWORD=<span style="color: #98c379;line-height: 26px;">'hwWwR'</span> -e MYSQL_SERVICE_DB_NAME=nacos_config -v /mydata/nacos/conf/:/home/nacos/conf --name nacos -d -p 8848:8848  --restart=on-failure:3  nacos/nacos-server:latest<br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#on-failure:3</span><br><br></code></pre> <p data-tool="mdnice编辑器" style="font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">https://blog.csdn.net/z929118967/article/details/132918836</p> <h1 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 24px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">II JAVA流水线备份</span><span style="display: none;"></span></h1> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014556" data-ratio="0.2814814814814815" src="/upload/9a7da9bf7e2f4241d9b2631d3b61ae91.png" data-type="png" data-w="1080" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.1 java构建</span><span style="display: none;"></span></h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014557" data-ratio="0.9611231101511879" src="/upload/8dd1d2a77c3cd15c4781d10f55fa44e8.png" data-type="png" data-w="926" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.2 镜像构建</span><span style="display: none;"></span></h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014553" data-ratio="0.7383966244725738" src="/upload/5a2d70fa44a2fc5696082ab22f832f73.png" data-type="png" data-w="948" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.3 docker 部署</span><span style="display: none;"></span></h2> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;"><span style="color: #5c6370;font-style: italic;line-height: 26px;">#部署脚本会在部署组的每台机器上执行。一个典型Docker部署脚本如下：</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#示例中使用的$image是您在脚本下方的变量处定义的变量（上游输出或自定义）</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#docker run $image</span><br><span style="color: #e6c07b;line-height: 26px;">echo</span> <span style="color: #d19a66;line-height: 26px;">$DOCKER_PASSWORD</span> | docker login --username <span style="color: #d19a66;line-height: 26px;">$DOCKER_USERNAME</span> --password-stdin registry.cn-hangzhou.aliyuncs.com<br>docker stop web-api<br>docker rm web-api<br>docker run -v /nfs:/nfs --name  web-api -d --net=host <span style="color: #d19a66;line-height: 26px;">$image</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># docker run --name  -d --net=host $image</span><br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># docker run --name  web-api -d -p 7005:7005  $image</span><br><br>docker update web-api  --restart=on-failure:3<br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># docker rmi $(docker images -qa)</span><br>docker rmi  $(docker images -qa)  2>/dev/null<br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#不打印错误输出，不换行后续没指令也会报错，但文件能写入成功。</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#如果想要不报错，在后面加上其他指令即可：</span><br><span style="color: #e6c07b;line-height: 26px;">echo</span> <span style="color: #98c379;line-height: 26px;">"执行完毕"</span><br></code></pre> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.4 子模块构建</span><span style="display: none;"></span></h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014555" data-ratio="0.47874720357941836" src="/upload/2e2eed3aac995dc6474a8ccd489d7233.png" data-type="png" data-w="894" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;"><span style="color: #5c6370;font-style: italic;line-height: 26px;"># maven build default command</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># mvn -B clean package -Dmaven.test.skip=true -Dautoconfig.skip</span><br>mvn clean install org.apache.maven.plugins:maven-deploy-plugin:2.8:deploy -DskipTests<br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># gradle build default command</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># ./gradlew build</span><br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># ant build default command</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># ant</span><br><br></code></pre> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.5 Dockerfile_prod</span><span style="display: none;"></span></h2> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;"><span style="color: #5c6370;font-style: italic;line-height: 26px;"># FROM openjdk:8-jdk</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># FROM registry.cn-hangzhou.aliyuncs.com/dontony/public:openjdk-8-jdk-alpine-cn</span><br>FROM registry.cn-beijing.aliyuncs.com/hub-mirrors/openjdk:8-jdk-alpine<br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 设置上海时区</span><br>ENV TZ=Asia/Shanghai<br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 开放端口</span><br>EXPOSE 7005<br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 指定工作目录</span><br>WORKDIR /app<br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># 将当前目录下的jar包复制道镜像中的/app目录下</span><br>COPY target/web-api-1.0-SNAPSHOT.jar .<br><br>RUN chown 1001:0 -R /app && chmod 775 -R /app<br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;"># java启动jar包</span><br>ENTRYPOINT [<span style="color: #98c379;line-height: 26px;">"java"</span>,<span style="color: #98c379;line-height: 26px;">"-Djava.security.egd=file:/dev/./urandom"</span>,<span style="color: #98c379;line-height: 26px;">"-Dfile.encoding=UTF8"</span>,<span style="color: #98c379;line-height: 26px;">"-Dsun.jnu.encoding=UTF8"</span>,<span style="color: #98c379;line-height: 26px;">"-jar"</span>,<span style="color: #98c379;line-height: 26px;">"-Xms2048m"</span>,<span style="color: #98c379;line-height: 26px;">"-Xmx4096m"</span>,<span style="color: #98c379;line-height: 26px;">"web-api-1.0-SNAPSHOT.jar"</span>,<span style="color: #98c379;line-height: 26px;">"--spring.profiles.active=prod"</span>]<br></code></pre> <h1 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 24px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">III VUE项目流水线备份</span><span style="display: none;"></span></h1> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014554" data-ratio="0.38333333333333336" src="/upload/40feb6aa4b74af58eb50caa08768315f.png" data-type="png" data-w="1080" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">3.1 Node.js 构建</span><span style="display: none;"></span></h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100014562" data-ratio="1.0962800875273524" src="/upload/895726abb3d1365c4cf116456d84ce82.png" data-type="png" data-w="914" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;"><span style="color: #5c6370;font-style: italic;line-height: 26px;"># input your command here</span><br>cnpm install<br>cnpm run build:pro<br></code></pre> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">3.2 Dockerfile_prod</span><span style="display: none;"></span></h2> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;"><span style="color: #5c6370;font-style: italic;line-height: 26px;">## 使用 Node.js 18 作为基础镜像</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#FROM node:16.8</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">## 设置工作目录</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#WORKDIR /app</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#COPY . .</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">## 暴露容器的端口</span><br><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#COPY package*.json ./</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">### 运行应用程序</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#CMD [ "npm", "run", "test" ]</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">### 运行命令</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">##CMD [ "npm", "run", "test" ]</span><br>FROM nginx<br>RUN rm /etc/nginx/conf.d/default.conf<br><br>ADD default_prod.conf /etc/nginx/conf.d/<br>COPY dist/ /usr/share/nginx/html/<br></code></pre> <h2 data-tool="mdnice编辑器" style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(251, 251, 251);margin-top: 30px;margin-bottom: 15px;align-items: unset;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow: unset;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(255, 255, 255);background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(33, 33, 34);line-height: 2.4em;letter-spacing: 0em;padding-left: 15px;padding-right: 30px;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px 0px 40px;align-items: unset;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">3.3 docker部署</span><span style="display: none;"></span></h2> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/Xmnun9Io49QJcqib5MfkTFiaIUeK98YMQkcibgGia6CLY0yp68yCCEqOgELdraLIc1fTdpO4sCsKPahpyepHsPsO6eDB850A6BPM/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;font-size: 12px;"><span style="color: #5c6370;font-style: italic;line-height: 26px;">#部署脚本会在部署组的每台机器上执行。一个典型Docker部署脚本如下：</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#示例中使用的$image是您在脚本下方的变量处定义的变量（上游输出或自定义）</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#docker run $image</span><br><span style="color: #e6c07b;line-height: 26px;">echo</span> <span style="color: #d19a66;line-height: 26px;">$DOCKER_PASSWORD</span> | docker login --username <span style="color: #d19a66;line-height: 26px;">$DOCKER_USERNAME</span> --password-stdin registry.cn-hangzhou.aliyuncs.com<br>docker stop admin<br>docker rm admin <br>docker run --name admin -d -p 8006:8006 <span style="color: #d19a66;line-height: 26px;">$image</span><br>docker update admin --restart=on-failure:3<br>docker rmi  $(docker images -qa)  2>/dev/null<br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#不打印错误输出，不换行后续没指令也会报错，但文件能写入成功。</span><br><span style="color: #5c6370;font-style: italic;line-height: 26px;">#如果想要不报错，在后面加上其他指令即可：</span><br><span style="color: #e6c07b;line-height: 26px;">echo</span> <span style="color: #98c379;line-height: 26px;">"执行完毕"</span><br><br><br></code></pre> </section> <p><br></p> <p style="display: none;"> <mp-style-type data-value="3"></mp-style-type></p>

SpringBoot生产级WebSocket集群实践，支持10万连接！

作者：微信小助手

AnsibleUI：异步任务处理平台

作者：微信小助手

<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="margin-bottom: 0px;padding-left: 10px;padding-right: 10px;background-attachment: scroll;background-clip: border-box;background-image: linear-gradient(90deg, rgba(50, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0) 6.76%), linear-gradient(360deg, rgba(50, 0, 0, 0.05) 0%, rgba(249, 247, 252, 0) 9.46%);background-origin: padding-box;background-position: 0% 0%;background-repeat: repeat, repeat;background-size: 20px 20px, 20px 20px;width: auto;font-family: Optima, "Microsoft YaHei", PingFangSC-regular, serif;font-size: 16px;color: rgb(0, 0, 0);line-height: 1.5em;word-spacing: 0em;letter-spacing: 0em;word-break: break-word;text-align: left;"> <h3 data-tool="mdnice编辑器" style=" margin-top: 30px;margin-bottom: 15px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow: unset; text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; "><span style="display: none;"></span><span style=" font-size: 17px;color: rgb(89, 89, 89);border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(222, 198, 251);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none none solid;border-width: 1px 1px 2px;border-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset; text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; ">引言：</span><span style="display: none;"></span></h3> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">在当今的技术领域中，DevOps（开发运维）已经成为提高团队效率和软件交付速度的关键。在这个日益复杂的数字化世界中，企业需要不断寻求创新和优化，以便在竞争激烈的市场中立于不败之地。而 AnsibleUI 作为一个基于 Django、Ansible 和 Celery 构建的开源项目，为实现这一目标提供了强大的支持。</p> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">AnsibleUI 的出现，不仅仅是为了简化任务的异步处理，更是为了让运维团队能够更加高效地管理和部署软件系统。通过它，开发和运维团队可以实现更紧密的协作，加速软件开发周期，提高整体运维效率。本平台的魅力在于其简洁的界面和强大的功能，使得复杂的任务变得简单易行，让操作变得高效而愉悦。</p> <h4 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 18px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">介绍</span><span style="display: none;"></span></h4> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">AnsibleUI 是基于Django + Ansible + Celery 的Web平台，用以批量的任务异步处理</p> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">Gitee 地址：https://gitee.com/lwr_dgas/AnsibleUI</p> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">前后端分离前端代码地址：https://gitee.com/lwr_dgas/AnsibleUI-Front</p> <h4 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 18px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">软件架构</span><span style="display: none;"></span></h4> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">软件架构说明</p> <ul data-tool="mdnice编辑器" style="list-style-type: circle;margin-top: 8px;margin-bottom: 8px;padding-left: 25px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0em;"> Ansible使用公私钥登录进行主机操作 </section></li> </ul> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002035" data-ratio="0.4910394265232975" src="/upload/aba6bcab2aff1b4671c6422dce26ad4a.png" data-type="png" data-w="1116" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 8px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h3 data-tool="mdnice编辑器" style=" margin-top: 30px;margin-bottom: 15px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow: unset; text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; "><span style="display: none;"></span><span style=" font-size: 17px;color: rgb(89, 89, 89);border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(222, 198, 251);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none none solid;border-width: 1px 1px 2px;border-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset; text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; ">相关演示地址</span><span style="display: none;"></span></h3> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;"><strong style="color: rgb(145, 109, 213);background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;">该项目在实验楼上有开发教程，地址为 https://www.shiyanlou.com/courses/1380</strong>邀请码： 4IL5Tadc</p> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;"><strong style="color: rgb(145, 109, 213);background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;">Demo 地址：</strong> www.ansibleui.cn</p> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;"><strong style="color: rgb(145, 109, 213);background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 0px;">前后端分离 Demo：</strong> http://front.ansibleui.cn</p> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">账号密码：admin:12345678 ， demo 未启动 Celery 进程，请勿添加任务</p> <h3 data-tool="mdnice编辑器" style=" margin-top: 30px;margin-bottom: 15px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow: unset; text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; "><span style="display: none;"></span><span style=" font-size: 17px;color: rgb(89, 89, 89);border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(222, 198, 251);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none none solid;border-width: 1px 1px 2px;border-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset; text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; ">效果图展示</span><span style="display: none;"></span></h3> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002036" data-ratio="0.5883280757097792" src="/upload/798761d38d05559cc4b98b6ea9604a4d.png" data-type="png" data-w="1268" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 8px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002037" data-ratio="0.5353185595567868" src="/upload/a5c5d1d72ecbd01217263186985f590e.png" data-type="png" data-w="1444" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 8px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h4 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 18px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">安装教程</span><span style="display: none;"></span></h4> <ul data-tool="mdnice编辑器" style="list-style-type: circle;margin-top: 8px;margin-bottom: 8px;padding-left: 25px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0em;"> 为方便安装，请下载python包到files目录下，https://www.python.org/ftp/python/3.7.3/Python-3.7.3.tgz </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0em;"> Ansible使用私钥进行登录操作，私钥文件位置： <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">files/id_rsa</code>，或者在ansible.cfg中修改 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0em;"> Docker集群部署，启动端口 10089 </section></li> <ul style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> docker-compose build </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> docker-compose up </section></li> </ul> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0em;"> 手动部署 </section></li> <ul style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 安装 Python 环境，开发环境版本为 Python 3.6.4 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 安装相关pagkage <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt</code> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 配置相关参数 tools/config.py，包括redis、mysql，Ansible/settings.py 文件可修改 DATABASES 使用sqlite3 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 为数据库建表， <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">python3 manage.py makemigrations && python3 manage.py migrate</code> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 在代码目录下启动Celery， <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">celery -A myCelery worker -l info</code>，可参看myCelery.py文件尾注释部分 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 启动主服务， <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">python3 manage.py runserver 0.0.0.0:10089</code>。 </section></li> </ul> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0em;"> 服务启动 <pre style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;margin-top: 10px;margin-bottom: 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/VNDQtnw16icIHLTfAbY1ngMvJg0xeXbu4qPggKwTcWY80NH0CeaxasWIF5m3OwU6oQ4QOLztohmN0avcJl2dalU5xfqqqqJNE/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;color: rgb(171, 178, 191);width: auto;margin-left: 2px;margin-right: 2px;padding: 15px 4px 2px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);word-break: break-all;background: rgb(40, 44, 52);display: -webkit-box;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;border-radius: 0px;font-size: 12px;"> server {<br> listen 10086;<br> access_log logs/ansibleui.access.log;<br> error_log logs/ansibleui.error.log;<br> location / {<br> include uwsgi_params;<br> uwsgi_pass 127.0.0.1:9801;<br> }<br> location /static {<br> root /data/AnsibleUI/;<br> }<br> location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$ {<br> expires 30d;<br> }<br> }<br></code></pre> </section></li> <ul style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 启动celery，请设置 <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">export PYTHONOPTIMIZE=1</code>, 否则celery将无法调用ansible </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> Celery启动， <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">celery multi start 1 -A myCelery -l info -c4 --pidfile=tmp/celery_%n.pid -f logs/celery.log</code> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 主程序启动， <code style="background: none 0% 0% / auto no-repeat scroll padding-box border-box rgba(27, 31, 35, 0.05);width: auto;margin-left: 2px;margin-right: 2px;padding: 2px 4px;border-style: none;border-width: 3px;border-color: rgb(0, 0, 0) rgba(0, 0, 0, 0.4) rgba(0, 0, 0, 0.4);border-radius: 4px;font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">uwsgi --socket 127.0.0.1:9801 --module ansible_ui.wsgi --py-autoreload=1 --daemonize=logs/uwsgi.log</code> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);line-height: 1.8em;letter-spacing: 0em;"> 静态资源及代理，nginx最简配置 </section></li> </ul> </ul> <h4 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 18px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">配置项</span><span style="display: none;"></span></h4> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">tools/config.py ansible 远程连接用户 Redis 存放Celery MySQL</p> <h4 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 18px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">使用说明</span><span style="display: none;"></span></h4> <ol start="0" data-tool="mdnice编辑器" style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0em;"> 需外部提供MySQL和Redis，参数在tools/config.py内修改 </section></li> </ol> <h4 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;"><span style="display: none;"></span><span style="font-size: 18px;line-height: 1.5em;letter-spacing: 0em;font-weight: bold;display: block;">UI</span><span style="display: none;"></span></h4> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002039" data-ratio="0.5982142857142857" src="/upload/df827d0bd2a5fb04118def1d44954d2b.png" data-type="png" data-w="1120" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 8px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <br data-tool="mdnice编辑器"> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002038" data-ratio="0.5250447227191414" src="/upload/f0e9f221266491c133e9b5eac87b347c.png" data-type="png" data-w="1118" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 8px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <br data-tool="mdnice编辑器"> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002042" data-ratio="0.6012658227848101" src="/upload/f80e1bebee99c4967ea243dcf7a197f2.png" data-type="png" data-w="1106" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 8px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <br data-tool="mdnice编辑器"> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002041" data-ratio="0.28927911275415896" src="/upload/216f6ed6d421ed38315e559b4ba4de51.png" data-type="png" data-w="1082" style="display: block;margin-right: auto;margin-left: auto;border-style: none;border-width: 3px;border-color: rgba(0, 0, 0, 0.4);border-radius: 8px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <h3 data-tool="mdnice编辑器" style=" margin-top: 30px;margin-bottom: 15px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none;border-width: 1px;border-color: rgb(0, 0, 0);border-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow: unset; text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; "><span style="display: none;"></span><span style=" font-size: 17px;color: rgb(89, 89, 89);border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(222, 198, 251);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;border-style: none none solid;border-width: 1px 1px 2px;border-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;overflow: unset; text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset; ">总结</span><span style="display: none;"></span></h3> <p data-tool="mdnice编辑器" style="color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;text-indent: 0em;padding-top: 8px;padding-bottom: 8px;">在 DevOps 领域，AnsibleUI 的出现为运维工作带来了新的活力和可能性。它不仅仅是一个简单的工具，更是一个与时俱进的解决方案，致力于提升团队的协作效率和系统的稳定性。通过 AnsibleUI，我们可以更加轻松地管理和部署软件，从而释放出更多的时间和精力来应对日益复杂的业务需求。因此，让我们携手共进，借助 AnsibleUI 的力量，开创一个更加美好的运维未来！</p> <p data-tool="mdnice编辑器" style="margin-bottom: 0px;padding-top: 8px;padding-bottom: 8px;outline: 0px;font-family: Optima, "Microsoft YaHei", PingFangSC-regular, serif;text-align: left;text-indent: 0em;text-wrap: wrap;background-color: rgb(255, 255, 255);color: rgb(89, 89, 89);font-size: 14px;line-height: 1.8em;letter-spacing: 0.02em;">最后，欢迎关注山猫，👇</p> <section class="mp_profile_iframe_wrp" style="margin-bottom: 0px;outline: 0px;color: rgb(0, 0, 0);font-family: Optima, 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解决因主库故障迁移导致的核心服务不可用问题

作者：微信小助手

<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <h2 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;font-size: 22px;"></h2> </section> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <h2 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;font-size: 22px;"><span style="display: none;line-height: 0px;">‍</span></h2> </section> </section> </section> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <h2 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;font-size: 22px;">1. 背景</h2> <hr data-tool="mdnice编辑器" style="height: 1px;margin-top: 10px;margin-bottom: 10px;border-right-width: medium;border-bottom-width: medium;border-left-width: medium;border-style: solid none none;border-color: black currentcolor currentcolor;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">8月30日，下午 15:50 左右，因阿里云 RDS 宿主机故障，我们部署在此宿主机上的一个核心订单库（<em>mysql.order_sharding</em><span style="cursor: pointer;"><span role="presentation" data-formula="^{[1]}" data-formula-type="inline-equation" style=""> <svg xmlns="http://www.w3.org/2000/svg" role="img" focusable="false" viewbox="0 -893.3 796.7 893.3" aria-hidden="true" style="vertical-align: 0px;width: 1.802ex;height: 2.021ex;"> <g stroke="currentColor" fill="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"> <g data-mml-node="math"> <g data-mml-node="msup"> <g data-mml-node="mi"></g> <g data-mml-node="TeXAtom" transform="translate(0, 363) scale(0.707)" data-mjx-texclass="ORD"> <g data-mml-node="mo"> <path data-c="5B" d="M118 -250V750H255V710H158V-210H255V-250H118Z"></path> </g> <g data-mml-node="mn" transform="translate(278, 0)"> <path data-c="31" d="M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z"></path> </g> <g data-mml-node="mo" transform="translate(778, 0)"> <path data-c="5D" d="M22 710V750H159V-250H22V-210H119V710H22Z"></path> </g> </g> </g> </g> </g> </svg></span></span>）因探活失败发生 HA 切换。随后，交易主链路上依赖该库的若干应用陆续出现了服务不可用问题，并又一次经历了漫长的恢复过程。之所以说是 “又一次”，是因为在过去这半年时间里，类似的问题已经不是第一次发生。根据 NOC<span style="cursor: pointer;"><span role="presentation" data-formula="^{[2]}" data-formula-type="inline-equation" style=""> <svg xmlns="http://www.w3.org/2000/svg" role="img" focusable="false" viewbox="0 -893.3 796.7 893.3" aria-hidden="true" style="vertical-align: 0px;width: 1.802ex;height: 2.021ex;"> <g stroke="currentColor" fill="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"> <g data-mml-node="math"> <g data-mml-node="msup"> <g data-mml-node="mi"></g> <g data-mml-node="TeXAtom" transform="translate(0, 363) scale(0.707)" data-mjx-texclass="ORD"> <g data-mml-node="mo"> <path data-c="5B" d="M118 -250V750H255V710H158V-210H255V-250H118Z"></path> </g> <g data-mml-node="mn" transform="translate(278, 0)"> <path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path> </g> <g data-mml-node="mo" transform="translate(778, 0)"> <path data-c="5D" d="M22 710V750H159V-250H22V-210H119V710H22Z"></path> </g> </g> </g> </g> </g> </svg></span></span> 提供的本次事件时间线。</p> <section data-tool="mdnice编辑器" style="overflow-x: auto;"> <table> <thead> <tr style="border-width: 1px 0px 0px;border-style: solid none none;border-color: rgb(204, 204, 204) currentcolor currentcolor;background-color: white;"> <th style="border-top-width: 1px;border-color: rgb(204, 204, 204);text-align: left;background-color: rgb(240, 240, 240);min-width: 85px;">时间</th> <th style="border-top-width: 1px;border-color: rgb(204, 204, 204);text-align: left;background-color: rgb(240, 240, 240);min-width: 85px;">操作</th> <th style="border-top-width: 1px;border-color: rgb(204, 204, 204);text-align: left;background-color: rgb(240, 240, 240);min-width: 85px;">耗时</th> </tr> </thead> <tbody style="border-width: 0px;border-style: none;border-color: currentcolor;"> <tr style="border-width: 1px 0px 0px;border-style: solid none none;border-color: rgb(204, 204, 204) currentcolor currentcolor;background-color: white;"> <td style="border-color: rgb(204, 204, 204);min-width: 85px;">15:51:03 - 15:51:48</td> <td style="border-color: rgb(204, 204, 204);min-width: 85px;">数据库完成了 HA 切换</td> <td style="border-color: rgb(204, 204, 204);min-width: 85px;"><strong>38</strong>秒，符合预期</td> </tr> <tr style="border-width: 1px 0px 0px;border-style: solid none none;border-color: rgb(204, 204, 204) currentcolor currentcolor;background-color: rgb(248, 248, 248);"> <td style="border-color: rgb(204, 204, 204);min-width: 85px;">数据库恢复 - 15:55</td> <td style="border-color: rgb(204, 204, 204);min-width: 85px;">交易应用恢复</td> <td style="border-color: rgb(204, 204, 204);min-width: 85px;"><strong>>3</strong> 分钟</td> </tr> </tbody> </table> </section> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">显然，超过<strong>3</strong>分钟的恢复时间，无疑在强烈的警告我们 —— 肯定在某个环节搞砸了。而同一问题重复出现，也让我们深感不安，或许下一次就要酿成大祸。为了弄清楚问题的根源，避免再次栽跟头，组织成立了一个<strong>特别调查小组</strong>，而我也奉命和交易的同学一起，将问题查个水落石出。</p> <h2 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;font-size: 22px;">2. 整理信息</h2> <hr data-tool="mdnice编辑器" style="height: 1px;margin-top: 10px;margin-bottom: 10px;border-right-width: medium;border-bottom-width: medium;border-left-width: medium;border-style: solid none none;border-color: black currentcolor currentcolor;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">盲干肯定是不行的，得先确定排查的方向和重点。既然已经不是第一次发生这样的问题了，我决定先从当前已有的线索着手。截止目前，掌握的关键信息有：</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(1, 1, 1);"> HA 结束后，订单相关应用 CPU 负载飙高，且历次问题都具有类似特征（典型的是 bme-trade-order-svc <span style="cursor: pointer;"><span role="presentation" data-formula="^{[3]}" data-formula-type="inline-equation" style=""> <svg xmlns="http://www.w3.org/2000/svg" role="img" focusable="false" viewbox="0 -893.3 796.7 893.3" aria-hidden="true" style="vertical-align: 0px;width: 1.802ex;height: 2.021ex;"> <g stroke="currentColor" fill="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"> <g data-mml-node="math"> <g data-mml-node="msup"> <g data-mml-node="mi"></g> <g data-mml-node="TeXAtom" transform="translate(0, 363) scale(0.707)" data-mjx-texclass="ORD"> <g data-mml-node="mo"> <path data-c="5B" d="M118 -250V750H255V710H158V-210H255V-250H118Z"></path> </g> <g data-mml-node="mn" transform="translate(278, 0)"> <path data-c="33" d="M127 463Q100 463 85 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结合此前历次故障，交易同学推测导致服务不可用的原因是：数据库故障期间，用户重试，创建了大量工作线程（Tomcat Thread）。数据库故障恢复后，为了调度数量庞大的工作线程，导致 CPU 负载持续飙高。最终 CPU 过载，无法继续处理请求，导致整个应用不可用。 </section></li> </ol> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">在我看来，第一条信息是一种 “观测事实”，事实本身暂时还没有太多可推敲的地方。而交易同学的推测，乍一听，似乎是说得通的。但稍微分析一下，我觉得其中的一些因果关系过于想当然了。</p> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;font-size: 20px;">2.1 重试一定会创建大量工作线程吗？</h3> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">—— 这要看情况。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">但也许比较反直觉的是，这种情况其实并不多见。以<strong>常态化全链路压测</strong>为例，即便是请求量达到日常流量峰值的<strong>1.5</strong>倍时，工作线程的数量通常也不会有明显增长。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">这里我选取了最能反映压测流量变化的应用之一，以其线程监控指标（单机）为参考，如<strong>图1</strong>。从图中可见，在压测期间，工作线程数（Available Threads/tomcat_threads_current_threads）虽有略微上升，但其峰值仅为<strong>38</strong>，远低于我们设置的最大工作线程数（Max Threads/tomcat_threads_config_max_threads）<strong>200</strong>。我们知道，重试本质上等价于增加了流量，而<strong>图1</strong>的案例说明，简单的增加流量并不会造成工作线程数量的显著增长。</p> <p style="text-align: center;"><img class="rich_pages wxw-img" data-height="412" data-imgfileid="100006426" data-ratio="0.44880174291938996" src="/upload/a3b70da4de40e9d594f84f0a0726173e.png" data-type="png" data-w="918" data-width="918" style="width: 371px;height: 167px;"></p> <p style="text-align: center;"><span style="font-size: 12px;">图1：压测状态下线程池波动（单机）</span></p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">这主要是得益于<strong>线程池</strong>中工作线程的有效复用，如果一定要让工作线程数量飙升，就要破坏线程复用。最有可能的情况是，工作线程<strong>长时间</strong>在某个<strong>高频</strong>操作上陷入等待<span style="cursor: pointer;"><span role="presentation" data-formula="^{[4]}" data-formula-type="inline-equation" style=""> <svg xmlns="http://www.w3.org/2000/svg" role="img" focusable="false" viewbox="0 -893.3 796.7 893.3" aria-hidden="true" style="vertical-align: 0px;width: 1.802ex;height: 2.021ex;"> <g stroke="currentColor" fill="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"> <g data-mml-node="math"> <g data-mml-node="msup"> <g data-mml-node="mi"></g> <g data-mml-node="TeXAtom" transform="translate(0, 363) scale(0.707)" data-mjx-texclass="ORD"> <g data-mml-node="mo"> <path data-c="5B" d="M118 -250V750H255V710H158V-210H255V-250H118Z"></path> </g> <g data-mml-node="mn" transform="translate(278, 0)"> <path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path> </g> <g data-mml-node="mo" transform="translate(778, 0)"> <path data-c="5D" d="M22 710V750H159V-250H22V-210H119V710H22Z"></path> </g> </g> </g> </g> </g> </svg></span></span>。我将在后文中接着来讨论。</p> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;font-size: 20px;">2.2 线程多一定会导致 CPU 负载高，甚至过载吗？</h3> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">—— 至少在当前这个问题的上下文中，我认为不太可能。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">首先，我们刚刚讨论过，想要在使用线程池的前提下产生大量的工作线程，则必须要让已经创建的线程长时间等待，阻止线程的复用。然而，通常处于等待状态的线程会释放其占用的 CPU 资源，因此 CPU 负载可能保持稳定甚至有所降低。其次，线程数量并不能无限扩增，最终会达到线程池最大工作线程数，而经过确认，<em>bme-trade-order-svc</em>配置的最大线程数也是<strong>200</strong>，这个值几乎被视为此类应用的最佳实践。所以对于在数据库故障恢复后调度这<strong>200</strong>个线程的 CPU 开销来说，算力配额应该绰绰有余，不太可能发生过载。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">结合前面的分析，现在让我来整理一下。基于已知的<strong>2</strong>个事实，我将排查的思路，拆解为表中的<strong>6</strong>个问题。</p> </section> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <table data-ace-table-col-widths="111;111;138;123;123;123;127"> <colgroup> <col width="111"> <col width="111"> <col width="138"> <col width="123"> <col width="123"> <col width="123"> <col width="127"> </colgroup> <thead> <tr style="height: 39px;"> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="59"><p>The Facts</p></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="50"><p>#1 Why?<span style="display: none;line-height: 0px;">‍</span><span style="display: none;line-height: 0px;">‍</span></p></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;"><span style="caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;font-size: 13.333333px;letter-spacing: normal;text-align: left;background-color: rgb(242, 243, 245);">#2 Why?</span></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="5"><span style="caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;font-size: 13.333333px;letter-spacing: normal;text-align: left;background-color: rgb(242, 243, 245);">#3 Why?</span></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="52"><span style="caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;font-size: 13.333333px;letter-spacing: normal;text-align: left;background-color: rgb(242, 243, 245);">#4 Why?</span></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="7"><p><span style="caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;font-size: 13.333333px;letter-spacing: normal;text-align: left;background-color: rgb(242, 243, 245);">#5 Why?</span><span style="display: none;line-height: 0px;">‍</span></p></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="50"><span style="caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;font-size: 13.333333px;letter-spacing: normal;text-align: left;background-color: rgb(242, 243, 245);">#6 Why?</span></th> </tr> </thead> <tbody> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;background-color: rgb(242, 243, 245);" width="45"><p><strong>Tomcat 工作线程数量飙升</strong></p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="50"><p>线程数飙升是因为等待吗？</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;word-break: break-all;"> <ul start="1" class="list-paddingleft-1"> <li><p><strong>是</strong>：线程在等什么？</p></li> <li><p><strong>不是</strong>：飙升的原因是什么？</p></li> </ul><span data-lark-record-format="docx/record" style="caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);letter-spacing: normal;text-align: start;"></span></td> <td colspan="1" rowspan="2" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="5"><p>是因为工作线程飙升导致 CPU 负载高吗？</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="52"><p><strong>是</strong>：跳过</p></td> <td colspan="1" rowspan="2" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="7"><p>服务不可用是因为 CPU 负载飙高吗？</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="50"><p><strong>是</strong>：Solved</p></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;background-color: rgb(242, 243, 245);" width="45"><p><strong>CPU 负载高</strong></p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;word-break: break-all;" width="50"><p>      -</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;word-break: break-all;"><p>          -</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="5"><p><strong>不是</strong>：CPU 负载飙高的原因是什么？</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="52"><p><strong>不是</strong>：服务不可用的原因是什么？</p></td> </tr> </tbody> </table> <p><span data-lark-record-format="docx/record" style="letter-spacing: normal;text-align: start;caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);"></span></p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">接下来我将尝试寻找线索，逐个解答这六个问题，看能否揭示故障根因。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">Let's get started!</p> </section> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <h2 data-tool="mdnice编辑器" style="margin: 0px;font-weight: bold;font-size: 22px;line-height: 1.6em;text-align: left;text-indent: 0em;"><span style="color: rgb(0, 0, 0);font-size: 22px;letter-spacing: normal;text-decoration: none;">3. 寻找线索，各个击破</span></h2> <hr data-tool="mdnice编辑器" style="height: 1px;margin-top: 10px;margin-bottom: 10px;border-right-width: medium;border-bottom-width: medium;border-left-width: medium;border-style: solid none none;border-color: black currentcolor currentcolor;"> </section> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><span style="font-size: 20px;font-weight: bold;letter-spacing: 0px;">3.1 线程数飙升是因为等待吗？</span><br></p> </section> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">—— 是的。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">其实这个问题回答起来并不是太困难。不过在开始之前，有必要先来复习一下 Java 线程的<strong>6</strong>种状态。</p> </section> <table data-ace-table-col-widths="128;121;470;299"> <colgroup style="text-align: center;"> <col width="128"> <col width="121"> <col width="470"> <col width="299"> </colgroup> <thead> <tr style="height: 39px;"> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="177"><p>状态</p></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;word-break: break-all;" width="195"><p>线程是否活跃？</p></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;" width="101"><p>状态的含义</p></th> <th colspan="1" rowspan="1" style="border-top-width: 1px;border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;font-weight: 500;background-color: rgb(242, 243, 245);text-align: left;" width="490"><p>是否占用 CPU 资源？</p></th> </tr> </thead> <tbody> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="389"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">NEW</code></p> </section></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="426"><p><span style="color: rgb(216, 57, 49);background-color: rgb(251, 191, 188);"><strong><code>Inactive</code></strong></span></p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="101"><p>刚刚创建的线程处于新建状态</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="490"><p>No</p></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="274" height="225"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><span style="color: rgb(30, 107, 184);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;font-size: 14px;background-color: rgba(27, 31, 35, 0.05);letter-spacing: 0px;text-align: left;"><span style="display: none;line-height: 0px;">‍</span>RUNNABLE</span><br></p> </section></td> <td colspan="1" rowspan="4" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="426"><p><span style="color: rgb(46, 161, 33);background-color: rgba(183, 237, 177, 0.8);"><strong><code>Active</code></strong></span></p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="101" height="225"><p>线程已经准备好运行，等待被调度或正在执行中</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="490" height="225"><p>Probably</p> <blockquote data-type="quote_container"> <p>该状态的本质是，线程具备了获得 CPU 时间片的条件，但不一定占用 CPU 时间片。</p> <p>参<span style="letter-spacing: 0.034em;">考</span><strong><span style="letter-spacing: 0.034em;">图2</span></strong><span style="letter-spacing: 0.034em;">中</span><span style="color: rgb(30, 107, 184);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;font-size: 14px;background-color: rgba(27, 31, 35, 0.05);letter-spacing: 0px;text-align: left;">RUNNABLE</span><span style="letter-spacing: 0.034em;">框出的部分</span></p> </blockquote></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;word-break: break-all;" width="389"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">BLOCKED</code></p> </section></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;word-break: break-all;" width="549"><p>线程等待获得某个<strong>监视器</strong>，该监视器锁正被另一个线程持有</p></td> <td colspan="1" rowspan="3" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;" width="87"><p>No</p></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;word-break: break-all;" width="389"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">WAITING</code></p> </section></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="549"><p>线程正在等待另一个线程完成某个操作</p></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;word-break: break-all;" width="284"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code></p> </section></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="549"><p>线程正在等待另一个线程在指定的时间内完成某个操作</p></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;word-break: break-all;" width="389"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TERMINATED</code></p> </section></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="426"><p><span style="color: rgb(216, 57, 49);background-color: rgb(251, 191, 188);"><strong><code>Inactive</code></strong></span></p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: top;" width="101"><p>线程已完成运行</p></td> <td colspan="1" rowspan="1" style="border-color: rgb(222, 224, 227);font-size: 10pt;padding: 8px;vertical-align: middle;word-break: break-all;" width="490"><p>No</p></td> </tr> </tbody> </table> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px;letter-spacing: 0px;white-space: normal;color: black;padding-right: 15px;padding-left: 15px;line-height: 1.6;word-break: break-word;text-align: left;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;"> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">其中有<strong>3</strong>种状态表示 “等待”，分别是<code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">BLOCKED</code>、<code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">WAITING</code>和<code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code>。<strong>如图2</strong>：</p> <ul data-tool="mdnice编辑器" style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(1, 1, 1);"> <code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">WAITING</code>和 <code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code>状态表达的是线程 <strong style="color: black;">主动</strong>让出 <span style="cursor: pointer;"> <svg xmlns="http://www.w3.org/2000/svg" role="img" focusable="false" viewbox="0 -893.3 796.7 893.3" aria-hidden="true" style="vertical-align: 0px;width: 1.802ex;height: 2.021ex;"> <g stroke="currentColor" fill="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"> <g data-mml-node="math"> <g data-mml-node="msup"> <g data-mml-node="mi"></g> <g data-mml-node="TeXAtom" transform="translate(0, 363) scale(0.707)" data-mjx-texclass="ORD"> <g data-mml-node="mo"> <path data-c="5B" d="M118 -250V750H255V710H158V-210H255V-250H118Z"></path> </g> <g data-mml-node="mn" transform="translate(278, 0)"> <path data-c="35" d="M164 157Q164 133 148 117T109 101H102Q148 22 224 22Q294 22 326 82Q345 115 345 210Q345 313 318 349Q292 382 260 382H254Q176 382 136 314Q132 307 129 306T114 304Q97 304 95 310Q93 314 93 485V614Q93 664 98 664Q100 666 102 666Q103 666 123 658T178 642T253 634Q324 634 389 662Q397 666 402 666Q410 666 410 648V635Q328 538 205 538Q174 538 149 544L139 546V374Q158 388 169 396T205 412T256 420Q337 420 393 355T449 201Q449 109 385 44T229 -22Q148 -22 99 32T50 154Q50 178 61 192T84 210T107 214Q132 214 148 197T164 157Z"></path> </g> <g data-mml-node="mo" transform="translate(778, 0)"> <path data-c="5D" d="M22 710V750H159V-250H22V-210H119V710H22Z"></path> </g> </g> </g> </g> </g> </svg></span> CPU 时间片，等另一个线程完成某个操作后通知自己 <span style="cursor: pointer;"> <svg xmlns="http://www.w3.org/2000/svg" role="img" focusable="false" viewbox="0 -893.3 796.7 893.3" aria-hidden="true" style="vertical-align: 0px;width: 1.802ex;height: 2.021ex;"> <g stroke="currentColor" fill="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"> <g data-mml-node="math"> <g data-mml-node="msup"> <g data-mml-node="mi"></g> <g data-mml-node="TeXAtom" transform="translate(0, 363) scale(0.707)" data-mjx-texclass="ORD"> <g data-mml-node="mo"> <path data-c="5B" d="M118 -250V750H255V710H158V-210H255V-250H118Z"></path> </g> <g data-mml-node="mn" transform="translate(278, 0)"> <path data-c="36" d="M42 313Q42 476 123 571T303 666Q372 666 402 630T432 550Q432 525 418 510T379 495Q356 495 341 509T326 548Q326 592 373 601Q351 623 311 626Q240 626 194 566Q147 500 147 364L148 360Q153 366 156 373Q197 433 263 433H267Q313 433 348 414Q372 400 396 374T435 317Q456 268 456 210V192Q456 169 451 149Q440 90 387 34T253 -22Q225 -22 199 -14T143 16T92 75T56 172T42 313ZM257 397Q227 397 205 380T171 335T154 278T148 216Q148 133 160 97T198 39Q222 21 251 21Q302 21 329 59Q342 77 347 104T352 209Q352 289 347 316T329 361Q302 397 257 397Z"></path> </g> <g data-mml-node="mo" transform="translate(778, 0)"> <path data-c="5D" d="M22 710V750H159V-250H22V-210H119V710H22Z"></path> </g> </g> </g> </g> </g> </svg></span>，再继续执行后续的逻辑。 <code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code>仅仅是比 <code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">WAITING</code>多指定了一个超时时间； </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(1, 1, 1);"> 而 BLOCKED 状态则是竞争监视器锁失败，被锁 “阻挡”， <strong style="color: black;">被迫</strong>等待； </section> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(1, 1, 1);"> <span style="display: none;line-height: 0px;">‍</span> </section> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(1, 1, 1);text-align: center;"> <img class="rich_pages wxw-img" data-height="446" data-imgfileid="100006427" data-ratio="0.5638432364096081" src="/upload/2146af0c3bc1d18328b6fda3b4238667.png" data-type="png" data-w="791" data-width="791" style="color: black;letter-spacing: 0px;width: 316px;height: 178px;"> </section></li> </ul> <p style="text-align: center;"><span style="font-size: 12px;">图2：Java Thread Lifecycle</span></p> <p><span style="letter-spacing: 0px;">让我们带着这些知识，再来翻阅 bme-trade-order-svc 应用的监控。如</span><strong style="letter-spacing: 0px;">图3</strong><span style="letter-spacing: 0px;">，通过 Tomcat 线程池监控曲线可以看到，工作线程确实出现了飙升，发生在 15:51:00 - 15:52:30，并且大致呈现出一种 “三段式” 增长趋势。</span><br></p> <p style="text-align: center;"><img class="rich_pages wxw-img" data-height="344" data-imgfileid="100006428" data-ratio="0.19722222222222222" src="/upload/6f794b43b120d5c001d181cb199a0bc9.png" data-type="png" data-w="1080" data-width="1748" style="width: 471px;height: 92px;"></p> <p style="text-align: center;"><span style="font-size: 12px;">图3：Tomcat 线程池监控</span></p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">而我也很快通过 JVM 线程状态监控曲线发现了时间和趋势都与之对应的线程状态波动的证据，如<strong>图4</strong>。可以看到也是在 15:51:00 - 15:52:30 期间，<code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code>状态的线程数呈现明显的 “三段式” 增长。</p> <p style="text-align: center;"><img class="rich_pages wxw-img" data-height="346" data-imgfileid="100006429" data-ratio="0.3914027149321267" src="/upload/d0c0f143b83eabd01e9b8870d3b6e931.png" data-type="png" data-w="884" data-width="884" style="width: 372px;height: 145px;"></p> <p style="text-align: center;"><span style="font-size: 12px;">图4：JVM 线程数量（分状态）监控</span></p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">这说明我之前的推论是正确的。因为某种原因，线程池中原本复用良好的工作线程纷纷主动让出 CPU，进入到<code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code>等待状态，无法再被复用。线程池只能补充新的线程来处理新的请求，可是新补充的线程也很快进入到<code style="font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code>状态，线程池只能继续补充新线程。就这样，陷入恶性循环，最终导致线程数量飙升。</p> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;font-size: 20px;">3.2 线程在等什么？</h3> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">—— 等数据库连接。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">对于这个问题，在实际排查的过程中，几乎可以立刻做出下意识的判断，也很容易从监控上找到证据。我们使用 HikariCP 管理数据库连接，HikariCP 有着完善的连接池指标埋点，其中部分指标的监控信息如<strong>图5</strong>。但要解释清楚细节，就没那么容易了。让我们先从理解<strong>图5</strong>中的指标开始。</p> <p style="text-align: center;"><img class="rich_pages wxw-img" data-height="338" data-imgfileid="100006430" data-ratio="0.1935185185185185" src="/upload/c7ad8a7998b86d740172bd8ddea4b19b.png" data-type="png" data-w="1080" data-width="1745" style="width: 424px;height: 82px;"></p> <p style="text-align: center;"><span style="font-size: 12px;">图5：HikariCP 链接池监控</span></p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;">图中共有<strong>3</strong>条曲线，我将它们的含义归纳在了下方的表格里。</p> <table data-ace-table-col-widths="100;212;229;229;81"> <colgroup> <col width="100"> <col width="212"> <col width="229"> <col width="229"> <col width="81"> </colgroup> <thead> <tr style="height: 39px;"> <th colspan="1" rowspan="1" width="67" style="padding: 8px;border-top-width: 1px;border-color: rgb(222, 224, 227);background-color: rgb(242, 243, 245);font-size: 10pt;vertical-align: top;font-weight: 500;text-align: left;word-break: break-all;"><p><strong>图中曲线</strong></p></th> <th colspan="1" rowspan="1" width="96" style="padding: 8px;border-top-width: 1px;border-color: rgb(222, 224, 227);background-color: rgb(242, 243, 245);font-size: 10pt;vertical-align: top;font-weight: 500;text-align: left;word-break: break-all;"><p><strong>指标名</strong></p></th> <th colspan="1" rowspan="1" width="103" style="padding: 8px;border-top-width: 1px;border-color: rgb(222, 224, 227);background-color: rgb(242, 243, 245);font-size: 10pt;vertical-align: top;font-weight: 500;text-align: left;word-break: break-all;"><p><strong>对应的 HikariCP 指标</strong></p></th> <th colspan="1" rowspan="1" width="123" style="padding: 8px;border-top-width: 1px;border-color: rgb(222, 224, 227);background-color: rgb(242, 243, 245);font-size: 10pt;vertical-align: top;font-weight: 500;text-align: left;word-break: break-all;"><p><strong>含义</strong></p></th> <th colspan="1" rowspan="1" width="39" style="padding: 8px;border-top-width: 1px;border-color: rgb(222, 224, 227);background-color: rgb(242, 243, 245);font-size: 10pt;vertical-align: top;font-weight: 500;text-align: left;word-break: break-all;"><p><strong>指标类型</strong></p></th> </tr> </thead> <tbody> <tr style="height: 39px;"> <td colspan="1" rowspan="1" width="89" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>蓝色曲线</p></td> <td colspan="1" rowspan="1" width="96" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>Pending Connections/等待连接</p></td> <td colspan="1" rowspan="1" width="103" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>hikaricp_pending_threads</p></td> <td colspan="1" rowspan="1" width="0" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>当前排队获取连接的线程数</p></td> <td colspan="1" rowspan="3" width="39" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: middle;"><p>Guage</p></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" width="89" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>橙黄色曲线</p></td> <td colspan="1" rowspan="1" width="96" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>Idle Connections/空闲连接</p></td> <td colspan="1" rowspan="1" width="103" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>hikaricp_idle_connections</p></td> <td colspan="1" rowspan="1" width="0" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>当前空闲连接数</p></td> </tr> <tr style="height: 39px;"> <td colspan="1" rowspan="1" width="89" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>绿色曲线</p></td> <td colspan="1" rowspan="1" width="96" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>Active Connections/活跃连接</p></td> <td colspan="1" rowspan="1" width="103" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;"><p>hikaricp_active_connections</p></td> <td colspan="1" rowspan="1" width="0" style="padding: 8px;border-color: rgb(222, 224, 227);font-size: 10pt;vertical-align: top;word-break: break-all;"><p>当前正在使用的连接数</p></td> </tr> </tbody> </table> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><span style="letter-spacing: 0px;">显然首先会关注的就是 “Pending Connections/等待连接” 指标。这个指标名起的不太好，实际上表示的是当前排队获取连接的线程数，它反映的正是线程在等待 —— 因为</span><strong style="letter-spacing: 0px;">获取不到连接</strong><span style="letter-spacing: 0px;">而进入了</span><code style="letter-spacing: 0px;font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code><span style="letter-spacing: 0px;">状态。</span></p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 26px;"><span style="letter-spacing: 0px;">可能有一部分本文的读者会误认为是获取到连接后，和数据库的 I/O 阻塞，导致了线程进入 </span><code style="letter-spacing: 0px;font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">TIMED_WAITING</code><span style="letter-spacing: 0px;">状态，但并非如此。事实上，Java 线程遇到同步 I/O 阻塞时，仍然是 </span><code style="letter-spacing: 0px;font-size: 14px;padding: 2px 4px;border-radius: 4px;margin-right: 2px;margin-left: 2px;color: rgb(30, 107, 184);background-color: rgba(27, 31, 35, 0.05);font-family: "Operator Mono", Consolas, Monaco, Menlo, monospace;word-break: break-all;">RUNNABLE</code><span style="letter-spacing: 0px;">状态。如果你对此不是很有概念，我们可以设计一对简单的 Client - Server 实验程序来验证这一点。</span></p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;marg

离线部署 Jenkins 填坑指南

作者：微信小助手

<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="line-height: 1.6;word-break: break-word;text-align: left;font-size: 15px;color: rgb(53, 53, 53);word-spacing: 0.8px;letter-spacing: 0.8px;border-radius: 16px;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;" data-mpa-powered-by="yiban.io"> <h1 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;color: black;border-top: 2px solid rgb(248, 57, 41);text-align: center;font-size: 1.3em;"><span style="display: none;"></span><span style="display: inline-block;font-weight: normal;background: rgb(248, 57, 41);color: #ffffff;padding: 3px 10px 1px;border-radius: 0 0 13px 13px;">离线部署 Jenkins 填坑指南</span></h1> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">你好，我是悟空。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">本文目录如下：</p> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;border-radius: 16px;overflow: hidden;"> <img class="rich_pages wxw-img" data-imgfileid="304487048" data-ratio="0.49907407407407406" src="/upload/45cee83860a5ef2a9bf607baf8ff48c1.png" data-type="png" data-w="1080" style="border-radius: 6px;display: block;margin: 20px auto;max-width: 95%;object-fit: contain;"> </figure> <h2 data-tool="mdnice编辑器" style="font-weight: bold;color: black;font-size: 22px;margin-top: 20px;margin-right: 10px;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(34, 34, 34);display: inline-block;padding-left: 10px;border-left: 5px solid rgb(248, 57, 41);">一、背景</span></h2> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">之前我带着大家实践了如何在 Windows 系统在线部署 Jenkins、如何通过 Jenkins 部署前后端项目，以及 Jenkins 的权限管理。文章内容如下：</p> <ul data-tool="mdnice编辑器" style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;color: rgb(248, 57, 41);font-size: 16px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(53, 53, 53);"> <a href="http://mp.weixin.qq.com/s?__biz=MzAwMjI0ODk0NA==&mid=2451968557&idx=1&sn=4a40968c69a17df511cd7865eebe5320&chksm=8d1febb2ba6862a47676d1e492666d2edc503a0ef3c10360125256619bb1457d9ad967b4b746&scene=21#wechat_redirect" style="color: rgb(248, 57, 41);border-bottom: 1px solid rgb(248, 57, 41);" data-linktype="2">1、丝滑的打包部署，一套带走</a> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(53, 53, 53);"> <a href="http://mp.weixin.qq.com/s?__biz=MzAwMjI0ODk0NA==&mid=2451969220&idx=1&sn=06cc3e1cc6f96e53d5c2179ad47b06f5&chksm=8d1fed5bba68644df92fa3b31bdd11f882c9c2eee56d69d1c6ee45fbdf2b600800b8865e0e70&scene=21#wechat_redirect" style="color: rgb(248, 57, 41);border-bottom: 1px solid rgb(248, 57, 41);" data-linktype="2">2、喝杯咖啡，一键部署完成！（建议收藏）</a> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(53, 53, 53);"> <a href="http://mp.weixin.qq.com/s?__biz=MzAwMjI0ODk0NA==&mid=2451970372&idx=1&sn=9127e6752b97885d3eab743214243ab0&chksm=8d1fe0dbba6869cd8c73a905126123ba770e51fe1d3781366659a4426a7650888d2fd6b2b6d3&mpshare=1&scene=21&srcid=0401bnPV8a8t6MHTC1NGSgIu&sharer_shareinfo=88eb7e4536dbc18ac62a4487ab5a5ea3&sharer_shareinfo_first=88eb7e4536dbc18ac62a4487ab5a5ea3#wechat_redirect" style="color: rgb(248, 57, 41);border-bottom: 1px solid rgb(248, 57, 41);" data-linktype="2">3、喝杯咖啡，一键部署前端项目</a> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(53, 53, 53);"> <a href="https://mp.weixin.qq.com/s?__biz=MzAwMjI0ODk0NA==&mid=2451970459&idx=1&sn=06b1cb30ae87d53ab807fcd748bbe374&chksm=8d1fe004ba686912847dba091f4e9cf02aaddb116c434d60fcc32799336811b93574ee7bce57&token=1028945314&lang=zh_CN&scene=21#wechat_redirect" style="color: rgb(248, 57, 41);border-bottom: 1px solid rgb(248, 57, 41);" data-linktype="2">4、用代码实现流水线部署，像诗一般优雅</a> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(53, 53, 53);"> <a href="https://mp.weixin.qq.com/s?__biz=MzAwMjI0ODk0NA==&mid=2451970570&idx=1&sn=fdc00c6e8e0cd760d999ee45b33876e3&chksm=8d1fe395ba686a8318be7c4139fee77bf1f4ef08ac8480e6deff93e19ce49af91e7fbb2acc27&mpshare=1&scene=21&srcid=0408mhMFqcIN4bTqtsRMbF3i&sharer_shareinfo=2c9ea09870ea7d83f8e693f416cc2929&sharer_shareinfo_first=ee470526845d4bf537fa82740728ec6e&version=4.1.26.6014&platform=win&nwr_flag=1#wechat_redirect" style="color: rgb(248, 57, 41);border-bottom: 1px solid rgb(248, 57, 41);" data-linktype="2">5、如果你还不理解 RBAC，看看 Jenkins 如何做到的</a> </section></li> </ul> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">在实际项目中，通过这些实践，目前已经稳定运行了两个月，现在又有了一个新项目也是需要用 Jenkins 来实现自动化部署，但新项目的部署环境是 Linux 离线环境，所以我需要在离线环境上再部署一遍。</p> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;"><span style="color: rgb(255, 76, 65);"><strong>因为部署 Jenkins 的机器上没有网络，所以部署的过程中遇到了很多坑</strong></span>，本篇文章也是为了记录期间遇到的坑，以及解决方案。</p> <h2 data-tool="mdnice编辑器" style="font-weight: bold;color: black;font-size: 22px;margin-top: 20px;margin-right: 10px;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(34, 34, 34);display: inline-block;padding-left: 10px;border-left: 5px solid rgb(248, 57, 41);">二、依赖项</span></h2> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">部署后端项目时需要依赖 Java、Maven、Git，对应的离线包版本如下表所示。</p> <section data-tool="mdnice编辑器" style="overflow-x: auto;"> <table> <thead> <tr style="border-width: 1px 0px 0px;border-right-style: initial;border-bottom-style: initial;border-left-style: initial;border-right-color: initial;border-bottom-color: initial;border-left-color: initial;border-top-style: solid;border-top-color: rgb(204, 204, 204);background-color: white;"> <th style="border-top-width: 1px;border-color: rgb(204, 204, 204);text-align: left;font-size: 16px;background-color: rgb(219, 217, 216);min-width: 85px;">序号</th> <th style="border-top-width: 1px;border-color: rgb(204, 204, 204);text-align: left;font-size: 16px;background-color: rgb(219, 217, 216);min-width: 85px;">依赖项</th> <th style="border-top-width: 1px;border-color: rgb(204, 204, 204);text-align: left;font-size: 16px;background-color: rgb(219, 217, 216);min-width: 85px;">版本</th> </tr> </thead> <tbody style="border-width: 0px;border-style: initial;border-color: initial;"> <tr style="border-width: 1px 0px 0px;border-right-style: initial;border-bottom-style: initial;border-left-style: initial;border-right-color: initial;border-bottom-color: initial;border-left-color: initial;border-top-style: solid;border-top-color: rgb(204, 204, 204);background-color: white;"> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">1</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">Linux 服务器</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">建议 ubuntu 20 以上</td> </tr> <tr style="border-width: 1px 0px 0px;border-right-style: initial;border-bottom-style: initial;border-left-style: initial;border-right-color: initial;border-bottom-color: initial;border-left-color: initial;border-top-style: solid;border-top-color: rgb(204, 204, 204);background-color: rgb(248, 248, 248);"> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">2</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">Jenkins 离线 war 包</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">2.426.1（当前最新版本）</td> </tr> <tr style="border-width: 1px 0px 0px;border-right-style: initial;border-bottom-style: initial;border-left-style: initial;border-right-color: initial;border-bottom-color: initial;border-left-color: initial;border-top-style: solid;border-top-color: rgb(204, 204, 204);background-color: white;"> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">3</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">Java 离线包，后端部署需要</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">Java 11, Java 17 or Java 21</td> </tr> <tr style="border-width: 1px 0px 0px;border-right-style: initial;border-bottom-style: initial;border-left-style: initial;border-right-color: initial;border-bottom-color: initial;border-left-color: initial;border-top-style: solid;border-top-color: rgb(204, 204, 204);background-color: rgb(248, 248, 248);"> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">4</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">Maven 离线安装，后端部署需要</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">Maven 3.8.8</td> </tr> <tr style="border-width: 1px 0px 0px;border-right-style: initial;border-bottom-style: initial;border-left-style: initial;border-right-color: initial;border-bottom-color: initial;border-left-color: initial;border-top-style: solid;border-top-color: rgb(204, 204, 204);background-color: white;"> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">5</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">Git 离线包，拉取代码</td> <td style="border-color: rgb(204, 204, 204);font-size: 16px;color: rgb(100, 86, 71);min-width: 85px;">2.9.5（当前最新版本）</td> </tr> </tbody> </table> </section> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">关于离线部署前端项目会放到下一讲。</p> <h2 data-tool="mdnice编辑器" style="font-weight: bold;color: black;font-size: 22px;margin-top: 20px;margin-right: 10px;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(34, 34, 34);display: inline-block;padding-left: 10px;border-left: 5px solid rgb(248, 57, 41);">三、下载 Jenkins 安装包</span></h2> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">安装包路径：</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;">https://get.jenkins.io/war-stable/<br></code></pre> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">选择版本：2.426.1</p> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;border-radius: 16px;overflow: hidden;"> <img class="rich_pages wxw-img" data-imgfileid="304487044" data-ratio="0.1685185185185185" src="/upload/420000bd9fc61765b757e38d82a4752f.png" data-type="png" data-w="540" style="border-radius: 6px;display: block;margin: 20px auto;max-width: 95%;object-fit: contain;"> </figure> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">下载完是一个 war 包，后续用 Java 启动这个 war 包即可。</p> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;border-radius: 16px;overflow: hidden;"> <img class="rich_pages wxw-img" data-imgfileid="304487047" data-ratio="0.5499231950844854" src="/upload/28709e63e3aa2a12d6f9c3d1ad7ef8c6.png" data-type="png" data-w="651" style="border-radius: 6px;display: block;margin: 20px auto;max-width: 95%;object-fit: contain;"> </figure> <h2 data-tool="mdnice编辑器" style="font-weight: bold;color: black;font-size: 22px;margin-top: 20px;margin-right: 10px;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(34, 34, 34);display: inline-block;padding-left: 10px;border-left: 5px solid rgb(248, 57, 41);">四、安装 Java</span></h2> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;color: black;font-size: 20px;"><span style="display: none;"></span><span style="font-size: 16px;color: #222;">下载 Java 17 安装包</span><span style="display: none;"></span></h3> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;border-radius: 16px;overflow: hidden;"> <img class="rich_pages wxw-img" data-imgfileid="304487046" data-ratio="0.5583333333333333" src="/upload/a3703986155ad9586a4a1a69725879f2.png" data-type="png" data-w="1080" style="border-radius: 6px;display: block;margin: 20px auto;max-width: 95%;object-fit: contain;"> </figure> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">创建目标目录</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;">sudo mkdir -p /usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/java<br></code></pre> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">复制安装包到目标目录</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;">sudo cp /path/to/jdk-17_linux-x64_bin.tar.gz /usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/java<br></code></pre> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">解压安装包</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;"><span style="color: #e6c07b;line-height: 26px;">cd</span> /usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/java<br>sudo tar -xvzf jdk-17_linux-x64_bin.tar.gz<br></code></pre> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">移除压缩包</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;">sudo rm jdk-17_linux-x64_bin.tar.gz<br></code></pre> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">配置环境变量</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;">sudo vim /etc/profile<br><br><span style="color: #e6c07b;line-height: 26px;">export</span> PATH=/usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/sbin:/usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/bin:/usr/sbin:/usr/bin:/sbin:/bin<br><br><span style="color: #e6c07b;line-height: 26px;">export</span> JAVA_HOME=/usr/<span style="color: #e6c07b;line-height: 26px;">local</span>/java<br><span style="color: #e6c07b;line-height: 26px;">export</span> PATH=<span style="color: #d19a66;line-height: 26px;">$PATH</span>:<span style="color: #d19a66;line-height: 26px;">$JAVA_HOME</span>/bin<br></code></pre> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">加载环境变量</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;"><span style="color: #e6c07b;line-height: 26px;">source</span> /etc/profile<br></code></pre> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">检查 Java 版本</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;">java -version<br></code></pre> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;border-radius: 16px;overflow: hidden;"> <img class="rich_pages wxw-img" data-imgfileid="304487045" data-ratio="0.1021671826625387" src="/upload/6470005845eaf5fa2e80f6f838b21a07.png" data-type="png" data-w="969" style="border-radius: 6px;display: block;margin: 20px auto;max-width: 95%;object-fit: contain;"> <figcaption style="margin-top: 5px;text-align: center;color: rgb(136, 136, 136);font-size: 12px;"> java 版本 <br> </figcaption> </figure> <h2 data-tool="mdnice编辑器" style="font-weight: bold;color: black;font-size: 22px;margin-top: 20px;margin-right: 10px;"><span style="display: none;"></span><span style="font-size: 18px;color: rgb(34, 34, 34);display: inline-block;padding-left: 10px;border-left: 5px solid rgb(248, 57, 41);">五、启动 Jenkins</span></h2> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">启动方式分为两种：</p> <ul data-tool="mdnice编辑器" style="margin-top: 8px;margin-bottom: 8px;padding-left: 25px;color: rgb(248, 57, 41);font-size: 16px;" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(53, 53, 53);"> 直接启动 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;line-height: 26px;color: rgb(53, 53, 53);"> 后台静默启动 </section></li> </ul> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;color: black;font-size: 20px;"><span style="display: none;"></span><span style="font-size: 16px;color: #222;">直接启动 jenkins</span><span style="display: none;"></span></h3> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">执行启动的命令：</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3FdsbrAA6j9ib0ANjfzqicIce3/640?wx_fmt=svg&from=appmsg") 10px 10px / 40px no-repeat rgb(40, 44, 52);height: 30px;width: 100%;margin-bottom: -7px;border-radius: 5px;"></span><code style="overflow-x: auto;padding: 16px;color: #abb2bf;display: -webkit-box;font-family: Operator Mono, Consolas, Monaco, Menlo, monospace;font-size: 12px;-webkit-overflow-scrolling: touch;padding-top: 15px;background: #282c34;border-radius: 5px;">java -jar jenkins.war --httpPort=8082<br></code></pre> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;font-weight: bold;color: black;font-size: 20px;"><span style="display: none;"></span><span style="font-size: 16px;color: #222;">后台静默启动</span><span style="display: none;"></span></h3> <p data-tool="mdnice编辑器" style="padding-top: 8px;padding-bottom: 8px;line-height: 1.75;margin-top: 0em;margin-bottom: 0em;">执行启动的命令：</p> <pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;"><span style="display: block;background: url("https://mmbiz.qpic.cn/mmbiz_svg/ibKHP1TZZeXIdB5vgAOEFCLlfvBM1oJiak0KGic2dwx54xUpPOIEU9gjcccs4QiahpJT4GoEnolP3

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