{"id":26864,"date":"2022-12-21T20:54:23","date_gmt":"2023-05-30T05:46:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e6%9e%9c%e7%bd%91%e7%bb%9c%e7%ab%af%e7%82%b9%e7%9a%84%e5%81%a5%e5%ba%b7%e6%a3%80%e6%9f%a5%e5%a4%b1%e8%b4%a5%ef%bc%8c%e8%87%aa%e5%8a%a8%e9%87%8d%e6%96%b0%e5%90%af%e5%8a%a8%e5%ae%9e%e4%be%8b\/"},"modified":"2025-08-11T23:30:00","modified_gmt":"2025-08-11T15:30:00","slug":"%e5%a6%82%e6%9e%9c%e7%bd%91%e7%bb%9c%e7%ab%af%e7%82%b9%e7%9a%84%e5%81%a5%e5%ba%b7%e6%a3%80%e6%9f%a5%e5%a4%b1%e8%b4%a5%ef%bc%8c%e8%87%aa%e5%8a%a8%e9%87%8d%e6%96%b0%e5%90%af%e5%8a%a8%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e6%9e%9c%e7%bd%91%e7%bb%9c%e7%ab%af%e7%82%b9%e7%9a%84%e5%81%a5%e5%ba%b7%e6%a3%80%e6%9f%a5%e5%a4%b1%e8%b4%a5%ef%bc%8c%e8%87%aa%e5%8a%a8%e9%87%8d%e6%96%b0%e5%90%af%e5%8a%a8%e5%ae%9e%e4%be%8b\/","title":{"rendered":"\u5982\u679c\u7f51\u7edc\u7aef\u70b9\u7684\u5065\u5eb7\u68c0\u67e5\u5931\u8d25\uff0c\u81ea\u52a8\u91cd\u65b0\u542f\u52a8\u5b9e\u4f8b"},"content":{"rendered":"

\u9019\u7bc7\u6587\u7ae0\u662f Google Cloud \u5e73\u53f0 Advent Calendar 2020 \u7684\u7b2c\u56db\u5929\u7684\u6587\u7ae0\u3002
\n\u7531\u65bc\u7b2c\u56db\u5929\u7684\u8ca0\u8cac\u4eba\u4e00\u76f4\u6c92\u6709\u767c\u6587\uff0c\u6240\u4ee5\u6211\u96a8\u4fbf\u4f86\u586b\u4e00\u4e0b\u3002
\n\u539f\u672c\u4f3c\u4e4e\u6703\u6709\u4e00\u7bc7\u95dc\u65bc Cloud SQL \u7684\u6587\u7ae0\u88ab\u767c\u8868\uff0c\u4f46\u662f\u7b46\u8005\u5c0d\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e0d\u611f\u8208\u8da3\uff0c\u6240\u4ee5\u6211\u6c7a\u5b9a\u5beb\u4e00\u4e9b\u81ea\u5df1\u559c\u6b61\u7684\u4e8b\u60c5\u3002<\/p>\n

\u60a8\u662f\u5426\u6b63\u5728\u4f7f\u7528 Network Endpoint Group\uff08NEG\uff09\uff1f<\/p>\n

\u7b46\u8005\u5728\u80fd\u5920\u4f7f\u7528\u4e4b\u5f8c\uff0c\u9078\u64c7\u4f7f\u7528 NEG \u800c\u975e Unmanaged Instance Group\uff0c\u901a\u904e BackendService \u4f86\u4f7f\u7528 VM \u5be6\u4f8b\u3002<\/p>\n

\u96d6\u7136\u5728 Unmanaged Instance Group \u4e5f\u53ef\u4ee5\u5be6\u73fe\u76f8\u540c\u7684\u529f\u80fd\uff0c\u4f46\u7b46\u8005\u4e4b\u6240\u4ee5\u9078\u64c7\u4f7f\u7528 NEG\uff0c\u662f\u56e0\u70ba NEG \u4e0d\u50c5\u9069\u7528\u65bc VM \u5be6\u4f8b\uff0c\u9084\u53ef\u4ee5\u61c9\u7528\u65bc\u5176\u4ed6\u7121\u670d\u52d9\u5668\u670d\u52d9\uff0c\u5177\u6709\u5ee3\u6cdb\u61c9\u7528\u6027\u3002<\/p>\n

\u5c3d\u7ba1\u5728Google Cloud Load Balancing(GCLB)\u4e0a\u4f7f\u7528NEG\u53ef\u4ee5\u4f7f\u7528VM\u5b9e\u4f8b\uff0c\u4f46\u4e0eManaged Instance Group(MIG)\u4e0d\u540c\u7684\u662f\uff0c\u5b83\u4e0d\u80fd\u81ea\u52a8\u91cd\u65b0\u542f\u52a8\u5b9e\u4f8b\uff0c\u5f53\u5065\u5eb7\u68c0\u67e5\u5931\u8d25\u65f6\u3002
\n\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u66f4\u597d\u5730\u4f7f\u7528NEG\u4f7f\u5176\u8fbe\u5230\u751f\u4ea7\u53ef\u7528\u6027\u7684\u76ee\u6807\u3002<\/p>\n

\u5982\u679c\u4f60\u5df2\u7ecf\u7406\u89e3\u4e86”Uptime checks, Notification channels, PubSub, Cloud Functions”\u8fd9\u4e9b\u8bcd\u7684\u542b\u4e49\uff0c\u90a3\u4e48\u4f60\u5c31\u6ca1\u6709\u5fc5\u8981\u9605\u8bfb\u4e0b\u9762\u7684\u5185\u5bb9\u4e86\u3002<\/p>\n

\u6240\u6709\u7684\u4e8b\u4ef6\u90fd\u5e94\u8be5\u901a\u5f80PubSub\u3002\u5982\u679c\u80fd\u591f\u5c06\u4e8b\u4ef6\u53d1\u5e03\u5230PubSub\uff0c\u65e0\u8bba\u8981\u505a\u4ec0\u4e48\uff0c\u57fa\u672c\u4e0a\u90fd\u53ef\u4ee5\u786e\u5b9a\u80dc\u5229\u3002\u8fd9\u53ef\u80fd\u6709\u4e09\u6210\u662f\u865a\u5047\u7684\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5229\u7528Cloud Monitoring\u7684Uptime checks\u6765\u76d1\u63a7\u5b9e\u4f8b\uff0c\u5e76\u5728\u5065\u5eb7\u68c0\u67e5\u5931\u8d25\u65f6\u5c06\u4e8b\u4ef6\u901a\u77e5\u5230PubSub\uff0c\u7136\u540e\u4f7f\u7528Cloud Functions\u6765\u63a5\u6536\u5e76\u91cd\u7f6e\u76f8\u5e94\u7684\u5b9e\u4f8b\u3002<\/p>\n

\u51c6\u5907\u597d<\/p>\n

\u51c6\u5907\u5e94\u7528\u7a0b\u5e8f\u5728VM\u5b9e\u4f8b\u4e0a\u3002\u7531\u4e8e\u53ea\u5728\u5bb9\u5668\u4f18\u5316\u64cd\u4f5c\u7cfb\u7edf(COS)\u4e0a\u90e8\u7f72\u5355\u4e2a\u5bb9\u5668\uff0c\u65e0\u9700\u7279\u6b8a\u5904\u7406\uff0c\u5b83\u4f1a\u81ea\u52a8\u91cd\u542f\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u4f7f\u7528Docker Compose\u542f\u52a8\u4e24\u4e2a\u5bb9\u5668\uff0c\u4e00\u4e2a\u662fWordPress\uff0c\u53e6\u4e00\u4e2a\u662fMySQL\u3002
\n\u6211\u4eec\u5c06\u5c1d\u8bd5\u4f7f\u7528\u4ee5\u4e0bCompose\u5b9a\u4e49\u3002
\n\u4e3a\u7b80\u5355\u8d77\u89c1\uff0c\u5ffd\u7565\u4e86\u6570\u636e\u6301\u4e45\u5316\u3002
\n\u5982\u679c\u89c9\u5f97\u9ebb\u70e6\uff0c\u53ef\u4ee5\u5728\u4efb\u4f55\u9002\u5f53\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u5b89\u88c5\u4e00\u4e2aWeb\u670d\u52a1\u5668\uff0c\u5e76\u8fd0\u884csystemctl enable\u547d\u4ee4\u3002<\/p>\n
version<\/span>:<\/span> \"<\/span>3\"<\/span>\r\n\r\nservices<\/span>:<\/span>\r\n  wordpress<\/span>:<\/span>\r\n    hostname<\/span>:<\/span> wordpress<\/span>\r\n    image<\/span>:<\/span> wordpress:5-php7.2-apache<\/span>\r\n    ports<\/span>:<\/span>\r\n      -<\/span> 80:80<\/span>\r\n    environment<\/span>:<\/span>\r\n      WORDPRESS_DB_HOST<\/span>:<\/span> mysql<\/span>\r\n      WORDPRESS_DB_USER<\/span>:<\/span> wordpress<\/span>\r\n      WORDPRESS_DB_PASSWORD<\/span>:<\/span> password<\/span>\r\n      WORDPRESS_DB_NAME<\/span>:<\/span> wordpress<\/span>\r\n      WORDPRESS_TABLE_PREFIX<\/span>:<\/span> wp_<\/span>\r\n  mysql<\/span>:<\/span>\r\n    hostname<\/span>:<\/span> mysql<\/span>\r\n    image<\/span>:<\/span> mysql:5<\/span>\r\n    environment<\/span>:<\/span>\r\n      MYSQL_DATABASE<\/span>:<\/span> wordpress<\/span>\r\n      MYSQL_USER<\/span>:<\/span> wordpress<\/span>\r\n      MYSQL_PASSWORD<\/span>:<\/span> password<\/span>\r\n      MYSQL_RANDOM_ROOT_PASSWORD<\/span>:<\/span> \"<\/span>yes\"<\/span>\r\n<\/code><\/pre>\n
\u5c06\u6b64\u6587\u4ef6\u4fdd\u5b58\u5728COS\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u53ef\u5199\u533a\u57df\u3002
\n\u5728\u8fd9\u91cc\u4fdd\u5b58\u4e3a \/var\/wordpress.yaml\u3002<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u4e3a\u4e86\u5728COS\u4e0a\u4f7f\u7528Docker Compose\uff0c\u7981\u7528”live restore”\u5e76\u91cd\u65b0\u542f\u52a8Docker\u3002<\/p>\n
$ <\/span>sudo sed<\/span> -i<\/span> 's\/true\/false\/g'<\/span> \/etc\/docker\/daemon.json\r\n\r\n$ <\/span>sudo <\/span>systemctl restart docker \r\n<\/code><\/pre>\n
\u4e4b\u540e\u5c31\u50cf\u5f80\u5e38\u4e00\u6837\u3002<\/p>\n
$ <\/span>docker swarm init\r\n...\r\n\r\n$ <\/span>docker stack deploy -c<\/span> \/var\/wordpress.yaml wordpress\r\nCreating network wordpress_default\r\nCreating service wordpress_wordpress\r\nCreating service wordpress_mysql\r\n\r\n$ <\/span>docker stack services wordpress\r\nID                  NAME                  MODE                REPLICAS            IMAGE                       PORTS\r\nh4tnwbuvamru        wordpress_mysql       replicated          1\/1                 mysql:5\r\nugg0mpp6sqs5        wordpress_wordpress   replicated          1\/1                 wordpress:5-php7.2-apache   *<\/span>:80->80\/tcp\r\n\r\n$ <\/span>curl -I<\/span> localhost\/readme.html\r\nHTTP\/1.1 200 OK\r\nDate: Wed, 09 Dec 2020 14:26:06 GMT\r\nServer: Apache\/2.4.38 (<\/span>Debian)<\/span>\r\nLast-Modified: Fri, 26 Jun 2020 13:58:02 GMT\r\nETag: \"1c6e-5a8fd18ee0e80\"<\/span>\r\nAccept-Ranges: bytes\r\nContent-Length: 7278\r\nVary: Accept-Encoding\r\nContent-Type: text\/html\r\n<\/code><\/pre>\n
\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u7531\u4e8e\/etc\/docker\/daemon.json\u6587\u4ef6\u5728\u5b9e\u4f8b\u91cd\u542f\u65f6\u4f1a\u6062\u590d\u5230\u539f\u59cb\u72b6\u6001\uff0c\u56e0\u6b64\u6211\u4eec\u5e94\u8be5\u5728\u5b9e\u4f8b\u7684\u542f\u52a8\u811a\u672c\u4e2d\u8fdb\u884c\u4fee\u6539\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u5199\u5165\u5b9e\u4f8b\u7684\u5143\u6570\u636estartup-script\u4e2d\u3002<\/p>\n
\r\nsed<\/span> -i<\/span> 's\/true\/false\/g'<\/span> \/etc\/docker\/daemon.json &&<\/span>\\<\/span>\r\ndocker stack deploy -c<\/span> \/var\/wordpress.yaml wordpress\r\n<\/code><\/pre>\n
\u9019\u6a23\u4e00\u4f86\uff0c\u5be6\u4f8b\u5df2\u7d93\u6e96\u5099\u597d\u4e86\u3002<\/p>\n
\u521b\u5efa\u7f51\u7edc\u7aef\u70b9\u7ec4\u5e76\u5c06\u5b9e\u4f8b\u5173\u8054
\n\u4ece\u8fd9\u91cc\u5f00\u59cb\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884c\u64cd\u4f5c\u3002
\n\u8bf7\u6839\u636e\u9700\u8981\u66ff\u6362\u7f51\u7edc\u7b49\u5185\u5bb9\u3002
\n\u8bf7\u6307\u5b9a\u4e0e\u5b9e\u4f8b\u7684\u533a\u57df\u76f8\u540c\u7684\u533a\u57df\u3002\u8fd9\u91cc\u6211\u4eec\u5c06\u4f7f\u7528asia-northeast1-b\u3002<\/p>\n
\u521b\u5efaNEG<\/p>\n
$ <\/span>gcloud compute network-endpoint-groups create wordpress \\<\/span>\r\n  --zone<\/span>=<\/span>asia-northeast1-b \\<\/span>\r\n  --subnet<\/span>=<\/span>default \\<\/span>\r\n  --network-endpoint-type<\/span>=<\/span>GCE_VM_IP_PORT \\<\/span>\r\n  --default-port<\/span>=<\/span>80\r\n<\/code><\/pre>\n
\u521b\u5efa\u7f51\u7edc\u7aef\u70b9\u3002<\/p>\n
$ <\/span>gcloud compute network-endpoint-groups update wordpress \\<\/span>\r\n  --zone<\/span>=<\/span>asia-northeast1-b \\<\/span>\r\n  --add-endpoint<\/span>=<\/span>instance<\/span>=<\/span><\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u540d>,ip=<\/span><\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5185\u90e8IP>,port=<\/span>80\r\n<\/code><\/pre>\n
\u542f\u52a8GCLB\u56e0\u4e3a\u5728\u547d\u4ee4\u884c\u4e2d\u8fdb\u884c\u7684\u8bdd\u4f1a\u975e\u5e38\u5197\u957f\uff0c\u6240\u4ee5\u6211\u51b3\u5b9a\u653e\u5f03\u3002
\n\u91cd\u70b9\u5728\u4e8e\u4ee5\u4e0b\u51e0\u70b9\uff1a
\n* \u4f7f\u7528 Zonal Network Endpoint Group \u4f5c\u4e3a Backend Service \u6765\u4f7f\u7528 wordpress\u3002
\n* \u5c06\u5065\u5eb7\u68c0\u67e5\u534f\u8bae\u8bbe\u7f6e\u4e3aHTTP\uff0c\u8def\u5f84\u8bbe\u7f6e\u4e3a \/readme.html\u3002<\/p>\n
\"image.png\"\u8bf7\u5728GCLB\u7684IP\u5730\u5740\u4e0a\u6210\u529f\u8fdb\u884c\u5065\u5eb7\u68c0\u67e5\uff0c\u5e76\u786e\u8ba4\u80fd\u591f\u5728WordPress\u7684\u521d\u59cb\u8bbe\u7f6e\u9875\u9762\u4e0a\u663e\u793a\u3002<\/p>\n
\u521b\u5efaPubSub\u4e3b\u9898\u3001\u8fd0\u884c\u65f6\u95f4\u68c0\u67e5\u3001\u901a\u77e5\u6e20\u9053\u3002\u4e3a\u6267\u884c\u5b9e\u4f8b\u7684\u5065\u5eb7\u68c0\u67e5\uff0c\u521b\u5efa Uptime checks
\n\u5982\u679c Uptime checks \u5931\u8d25\uff0c\u5219\u53d1\u9001\u901a\u77e5\u5230 Notification channel
\n\u521b\u5efa\u8981\u63a5\u6536\u901a\u77e5\u7684 PubSub Topic<\/p>\n
\u53d1\u5e03-\u8ba2\u9605\u4e3b\u9898<\/p>\n
$ <\/span>gcloud pubsub topics create notification\r\n<\/code><\/pre>\n
\u901a\u77e5\u6e20\u9053<\/p>\n
\"image.png\"<\/p>\n
\u8fd0\u884c\u65f6\u95f4\u68c0\u67e5<\/p>\n
\"image.png\"<\/p>\n
\u8bbe\u5b9a\u5fc5\u8981\u7684IAM\u6839\u636e\u6587\u4ef6\u8981\u6c42\uff0c\u5c06Monitoring\u7684Service Account\u914d\u7f6e\u4e3aPubSub Topic\u901a\u77e5\u7684\u6d88\u606f\u53d1\u5e03\u89d2\u8272\u3002<\/p>\n
\u5f53\u521b\u5efa\u7b2c\u4e00\u4e2a Pub\/Sub \u6e20\u9053\u65f6\uff0cCloud Monitoring \u4f1a\u4e3a\u521b\u5efa\u6e20\u9053\u7684\u9879\u76ee\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u76d1\u63a7\u901a\u77e5\u670d\u52a1\u4ee3\u7406\u7684\u670d\u52a1\u8d26\u53f7\u3002<\/p><\/blockquote>\n
\u6709\u4e00\u4ef6\u4e8b\uff0c\u4f46\u4e00\u76f4\u5b8c\u4e0d\u6210\u3002
\n\u4e0d\u8fc7\uff0c\u6211\u66fe\u7ecf\u89c1\u8fc7\u5b8c\u6210\u7684\u60c5\u51b5\uff0c\u6240\u4ee5\u8fd9\u53ef\u80fd\u8fd8\u662f\u4e2a\u03b2\u7248\u672c\u3002
\n\u4f55\u8c13production ready\u5462\uff0c\u545c\u54c7\u54c7\u54c7\u3002<\/p>\n
\u901a\u8fc7 Cloud Functions \u5b9e\u73b0\u81ea\u52a8\u91cd\u542f\u3002
\n\u6211\u867d\u7136\u4e0d\u592a\u64c5\u957f\uff0c\u4f46\u662f\u6211\u7528Node.js\u5199\u4e86\u4ee3\u7801\u3002
\n\u6211\u4f1a\u4ecePubSub\u7684\u6d88\u606f\u4e2d\u83b7\u53d6\u76f8\u5173\u5b9e\u4f8b\u7684\u533a\u57df\u7b49\u4fe1\u606f\uff0c\u5e76\u8fdb\u884c\u91cd\u7f6e\u3002
\n\u88ab\u91cd\u7f6e\u7684\u5b9e\u4f8b\u5c06\u901a\u8fc7\u542f\u52a8\u811a\u672c\u542f\u52a8\u6240\u9700\u7684\u5bb9\u5668\u3002<\/p>\n
const<\/span> Compute<\/span> =<\/span> require<\/span>(<\/span>'<\/span>@google-cloud\/compute<\/span>'<\/span>);<\/span>\r\nconst<\/span> compute<\/span> =<\/span> new<\/span> Compute<\/span>();<\/span>\r\n\r\nexports<\/span>.<\/span>resetInstance<\/span> =<\/span> async<\/span> (<\/span>event<\/span>,<\/span> context<\/span>,<\/span> callback<\/span>)<\/span> =><\/span> {<\/span>\r\n  const<\/span> data<\/span> =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>Buffer<\/span>.<\/span>from<\/span>(<\/span>event<\/span>.<\/span>data<\/span>,<\/span> '<\/span>base64<\/span>'<\/span>).<\/span>toString<\/span>());<\/span>\r\n  const<\/span> vm<\/span>   =<\/span> await<\/span> getVm<\/span>(<\/span>data<\/span>);<\/span>\r\n\r\n  try<\/span> {<\/span>\r\n    await<\/span> vm<\/span>.<\/span>reset<\/span>();<\/span>\r\n  }<\/span> catch<\/span> (<\/span>err<\/span>)<\/span> {<\/span>\r\n    console<\/span>.<\/span>error<\/span>(<\/span>err<\/span>);<\/span>\r\n    callback<\/span>(<\/span>err<\/span>);<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\nasync<\/span> function<\/span> getVm<\/span>(<\/span>data<\/span>)<\/span> {<\/span>\r\n  const<\/span> zone<\/span>       =<\/span> compute<\/span>.<\/span>zone<\/span>(<\/span>data<\/span>.<\/span>incident<\/span>.<\/span>resource<\/span>.<\/span>labels<\/span>.<\/span>zone<\/span>);<\/span>\r\n  const<\/span> vmname<\/span>     =<\/span> data<\/span>.<\/span>incident<\/span>.<\/span>resource_display_name<\/span>;<\/span>\r\n  const<\/span> vminstance<\/span> =<\/span> zone<\/span>.<\/span>vm<\/span>(<\/span>vmname<\/span>);<\/span>\r\n\r\n  return<\/span> vminstance<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n  \"name\"<\/span>:<\/span> \"instance-auto-restarter\"<\/span>,<\/span>\r\n  \"version\"<\/span>:<\/span> \"1.0.0\"<\/span>,<\/span>\r\n  \"main\"<\/span>:<\/span> \"index.js\"<\/span>,<\/span>\r\n  \"license\"<\/span>:<\/span> \"MIT\"<\/span>,<\/span>\r\n  \"dependencies\"<\/span>:<\/span> {<\/span>\r\n    \"@google-cloud\/compute\"<\/span>:<\/span> \"^2.4.0\"<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
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