{"id":2078,"date":"2021-08-22T15:42:12","date_gmt":"2021-08-22T07:42:12","guid":{"rendered":"https:\/\/9incloud.com\/?p=2078"},"modified":"2021-08-22T15:44:29","modified_gmt":"2021-08-22T07:44:29","slug":"blue-green-canary-risk-reduction","status":"publish","type":"post","link":"https:\/\/9incloud.com\/aws\/blue-green-canary-risk-reduction","title":{"rendered":"\u9032\u968e\u6301\u7e8c\u90e8\u7f72 &#8211; \u4f7f\u7528 Blue\/Green\u3001Canary \u964d\u4f4e\u767c\u7248\u98a8\u96aa"},"content":{"rendered":"\n<p>\u7e7c\u4e4b\u524d\u5beb\u904e\u7684\u4e00\u7bc7 <a href=\"https:\/\/9incloud.com\/devops\/cicd\/ecs-rolling-update-zero-downtime\" target=\"_blank\" rel=\"noreferrer noopener\">\u6301\u7e8c\u90e8\u7f72 \u2013 \u4f7f\u7528 ECS Rolling Update \u5be6\u73fe zero downtime<\/a> \u5f8c\uff0c\u9019\u6b21\u4f86\u4ecb\u7d39\u66f4\u9032\u968e\u7684\u85cd\u7da0\u90e8\u7f72(Blue\/Green) \u548c\u91d1\u7d72\u96c0\u90e8\u7f72 (Canary)\uff0cCanary \u7b97\u662f blue\/green \u7684\u5ef6\u4f38\u61c9\u7528\uff0c\u56e0\u70ba\u662f\u57fa\u65bc Blue\/Green \u7684\u6a5f\u5236\u4e0b\u53bb\u5be6\u73fe\u7684\uff0c\u76f8\u8f03\u65bc Rolling Update \u7684\u65b9\u5f0f\uff0cBlue\/Green \u7684\u65b9\u5f0f\u5728\u90e8\u7f72\u4e0a\u66f4\u5177\u5099\u5f48\u6027\uff0c\u56e0\u70ba\u662f\u65b0\u820a\u7248\u672c\u540c\u6642\u4e26\u5b58\uff0c\u5728\u90e8\u7f72\u671f\u9593\u6e2c\u8a66\u4e26\u767c\u73fe\u4efb\u4f55\u554f\u984c\u5f8c\uff0c\u90fd\u53ef\u4ee5\u5feb\u901f Rollback \u56de\u820a\u7248\u672c\uff0c\u6545\u5f48\u6027\u5927\u3001\u98a8\u96aa\u5c0f\u3002<\/p>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u00a0<\/p>\n<h3>\u512a\u7f3a\u9ede<\/h3>\n<p><strong>\u512a\u9ede<\/strong><\/p>\n<ul>\n<li>\n<p>Zerodowntime: \u9019\u9ede\u8ddf rolling update \u6709\u4e00\u6a23\u7684\u512a\u9ede\uff0c\u9019\u908a\u5c31\u4e0d\u8d05\u8ff0<\/p>\n<\/li>\n<li>\n<p>\u76f8\u8f03\u65bc rolling update \u5728\u90e8\u7f72\u671f\u9593\u6709 Request \u9032\u4f86\u6642\uff0c\u6709\u4e00\u6bb5\u6642\u9593\u662f\u53ef\u80fd\u8a2a\u554f\u5230\u820a\u7248\uff0c\u4e5f\u53ef\u80fd\u8a2a\u554f\u5230\u65b0\u7248\u672c\uff0c\u800c Blue\/Green \u5247\u53ef\u4ee5\u4f7f\u7528\u4e00\u6b21\u6027\u90e8\u7f72 (All-at-once)\uff0c\u628a\u6d41\u91cf\u4e00\u6b21\u6027\u5207\u63db\u5230\u65b0\u7248\u672c\uff0c\u6b64\u7a2e\u597d\u8655\u5728\u65bc\uff0c\u82e5\u767c\u7248\u7684\u61c9\u7528\u7a0b\u5f0f\u56e0\u70ba\u4efb\u4f55\u8003\u91cf\u4e0d\u80fd\u5411\u4e0b\u76f8\u5bb9(\u5982 DB Schama\u3001Third party API \u7b49\u7b49&#8230;)\uff0c\u4f7f\u7528\u6b64\u65b9\u5f0f\u6bd4\u8f03\u4e0d\u6703\u6709\u5f8c\u907a\u75c7<\/p>\n<\/li>\n<li>\n<p>\u964d\u4f4e\u767c\u7248\u98a8\u96aa: \u4ee5\u5be6\u52d9\u4e2d\uff0c\u5728\u4e0a production \u524d\uff0c\u7406\u61c9\u5728 staging \u74b0\u5883\u5f8c\u5c31\u5df2\u7d93\u6e2c\u8a66\u904e\uff0c\u4f46\u5118\u7ba1\u5982\u6b64\uff0c\u5728 production \u4e2d\u6709\u53ef\u80fd\u56e0\u70ba data \u7684\u554f\u984c\uff0c\u6216\u662f\u76f8\u4f9d\u7b2c\u4e09\u65b9\u670d\u52d9\u7684\u554f\u984c\u7b49\u7b49&#8230;\uff0c\u90fd\u53ef\u80fd\u5c0e\u81f4 staging \u7121\u6cd5\u5b8c\u5168\u6a21\u64ec\u548c prodution \u4e00\u6a21\u4e00\u6a23\u7684\u74b0\u5883\uff0c\u6545\u5728 production \u74b0\u5883\u4e2d\u6e2c\u8a66\u662f\u66f4\u76f4\u63a5\u4e86\u7576\u7684\u4f5c\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528 E2E testing(integration testing) \u6216 \u56de\u6b78\u6e2c\u8a66(Regression Testing) \u4f86\u78ba\u4fdd\u65b0\u7248\u672c\u5728\u751f\u7522\u74b0\u5883\u7684\u53ef\u9760\u6027\uff0c\u82e5\u5176\u9593\u6e2c\u8a66\u767c\u73fe\u6709\u554f\u984c\uff0c\u90fd\u53ef\u4ee5\u5feb\u901f\u7684 rollback<\/p>\n<\/li>\n<li>\n<p>\u9748\u6d3b\u7684\u90e8\u7f72\u65b9\u5f0f\uff0c\u4ee5 AWS CodeDeploy \u4f86\u8aaa\uff0c\u76ee\u524d\u652f\u63f4\u4ee5\u4e0b 3 \u7a2e<\/p>\n<ul>\n<li>Canary: \u91d1\u7d72\u96c0\u90e8\u7f72\u662f\u4e00\u958b\u59cb\u7528\u5c0f\u90e8\u5206\u7684\u6d41\u91cf\u8f49\u79fb\u81f3 green(\u65b0\u7248\u672c)\uff0c\u4f86\u9054\u5230\u964d\u4f4e\u98a8\u96aa\uff0c\u7528\u5c0f\u90e8\u5206\u6bd4\u4f8b(\u4f8b\u5982 10% \u6d41\u91cf)\u4f86\u5be6\u6e2c\u529f\u80fd\u662f\u5426\u6709\u554f\u984c\uff0c\u81f3\u65bc\u8981\u591a\u5c11\u6bd4\u4f8b\u7684\u6d41\u91cf\u8f49\u79fb\u5230\u65b0\u7248\u672c\uff0c\u800c\u4e14\u9700\u8981\u591a\u4e45\u6642\u9593\u4f86\u6e2c\u8a66\u90fd\u662f\u53ef\u4ee5\u8a2d\u5b9a\u7684<\/li>\n<li>Linear: \u7dda\u6027\u5f0f\u90e8\u7f72\uff0c\u4f8b\u5982\u6bcf 5 \u5206\u9418\u8f49\u63db 10 percentage \u7684\u6d41\u91cf\u5230\u65b0\u7248\u672c\uff0c\u4ee5\u6b64\u4f8b\u5b50\uff0c\u6700\u7d42\u662f 50 \u5206\u9418\u6703\u5b8c\u5168\u8f49\u63db\u5b8c\u7562<\/li>\n<li>All-at-once: \u4e00\u6b21\u6027\u90e8\u7f72\uff0c\u4e5f\u5c31\u662f\u6d41\u91cf\u5728\u4e00\u6b21\u6027\u5168\u90e8\u8f49\u79fb\u81f3 green(\u65b0\u7248\u672c)<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5be6\u73fe A\/B Test: \u5f9e\u4e0a\u4e00\u9ede\u7684\u9748\u6d3b\u90e8\u7f72\u65b9\u5f0f\uff0c\u4e0d\u96e3\u770b\u51fa\u8981\u5be6\u73fe A\/B Test\uff0c\u4e5f\u662f\u6c92\u554f\u984c\u7684\uff0cA\/B Test \u901a\u5e38\u642d\u914d\u57cb\u5165\u76f8\u95dc\u5206\u6790\u78bc (\u5982 GA\u3001FB Pixel \u7b49&#8230;) \u4f86\u89c0\u6e2c\u4f7f\u7528\u8005\u4f7f\u7528\u72c0\u6cc1<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u7f3a\u9ede<\/strong><\/p>\n<ul>\n<li>\n<p>\u6210\u672c\u589e\u52a0: \u56e0\u70ba\u8981\u6e96\u5099\u5169\u5957 production \u74b0\u5883\u53ef\u4ee5\u96a8\u6642\u4f7f\u7528 Load Balancer \u505a\u5207\u63db\uff0c\u5982\u679c\u5728 Cloud \u4e0a\u800c\u4e14\u6e2c\u8a66\u6642\u9593\u4e0d\u9577\u7684\u8a71\u662f\u9084\u597d\uff0c\u96a8\u9700\u4ed8\u8cbb\uff0c\uff0c\u800c\u5982\u679c\u662f\u5730\u7aef(on-premise) \u5c31\u9700\u8981\u6e96\u5099\u4e00\u6a23\u7684\u786c\u9ad4\u898f\u683c\u6216 VM\u7b49\u7b49&#8230;\uff0c\u6210\u672c<\/p>\n<\/li>\n<li>\n<p>\u8cc7\u6599\u5eab\u554f\u984c: \u5982\u679c\u65b0\u7248\u672c\u662f\u9700\u8981\u52d5\u5230 DB Schema\uff0c\u90a3\u554f\u984c\u53ef\u80fd\u6703\u8b8a\u7684\u76f8\u5c0d\u8907\u96dc\u5f88\u591a\uff0c\u8fd1\u5e74\u4f86\u8a31\u591a DB migraion tool \u5df2\u7d93\u53ef\u4ee5\u8ddf application \u4e00\u8d77\u767c\u7248\uff0c\u65b9\u4fbf\u7ba1\u7406\uff0c\u4e5f\u53ef\u8f15\u6613\u7684 rollback\uff0c\u7136\u800c\u68d8\u624b\u7684\u9084\u6709\u300c\u8cc7\u6599\u300d\u672c\u8eab\uff0c\u800c\u9019\u4e5f\u727d\u626f\u8a31\u591a\u8907\u96dc\u7684\u554f\u984c\uff0c\u800c\u89e3\u6cd5\u4f8b\u5982\u6709 data \u672c\u8eab\u4e5f\u9700\u8981\u6709\u7248\u672c\u8b58\u5225\uff0c\u800c\u4e5f\u6709\u4e00\u7a2e\u4f5c\u6cd5\u662f DB \u7684\u7570\u52d5\u90fd\u505a\u6210\u76f8\u5bb9\u6027 (Compatible)\uff0c\u985e\u4f3c\u6b04\u4f4d\u53ea\u65b0\u589e\uff0c\u4e0d\u522a\u9664\uff0c\u60f3\u8981\u522a\u9664\u7684\u6b04\u4f4d\u5c31\u6a19\u793a\u68c4\u7528\u5c31\u597d\uff0c\u76f8\u5bb9\u65bc\u61c9\u7528\u7a0b\u5f0f\u65b0\u820a\u7248\u53ef\u540c\u6642\u4f7f\u7528\u7b49\u7b49&#8230;<\/p>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u00a0<\/p>\n<h3>AWS CodeDeploy \u61c9\u7528\u65bc ECS \u90e8\u7f72\u7684\u751f\u547d\u9031\u671f\u4e8b\u4ef6<\/h3>\n<p>\u9019\u908a\u5148\u770b\u4e00\u4e0b CodeDeploy \u652f\u63f4 ECS \u90e8\u7f72\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u751f\u547d\u9031\u671f\u4e8b\u4ef6 Hook\uff0c\u9019\u4e9b Hook \u53ef\u4ee5\u5c0d\u61c9\u5230\u90e8\u7f72\u6d41\u7a0b\u4e2d\u7684\u904e\u7a0b(\u7a0d\u5f8c\u6703\u8aaa\u660e)\uff0c\u5148\u4e86\u89e3\u518d\u642d\u914d\u90e8\u7f72\u6d41\u7a0b\u6703\u66f4\u6e05\u695a\uff0c\u5148\u4f86\u770b\u4e00\u5f35\u5716<\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/lifecycle-event-order-ecs.png\"><img loading=\"lazy\" decoding=\"async\" width=\"277\" height=\"846\" src=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/lifecycle-event-order-ecs.png\" alt=\"\" class=\"wp-image-2107\" srcset=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/lifecycle-event-order-ecs.png 277w, https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/lifecycle-event-order-ecs-98x300.png 98w\" sizes=\"(max-width: 277px) 100vw, 277px\" \/><\/a><figcaption><strong><em><span class=\"has-inline-color has-vivid-cyan-blue-color\">Hint: \u9ede\u5716\u7247\u53ef\u653e\u5927<\/span><\/em><\/strong><\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u5716\u7247\u51fa\u8655\u5728 <a href=\"https:\/\/docs.aws.amazon.com\/codedeploy\/latest\/userguide\/reference-appspec-file-structure-hooks.html#appspec-hooks-ecs\">AWS \u5b98\u65b9\u6587\u4ef6<\/a><\/p>\n<p>\u9019\u4e9b hook \u662f\u5b9a\u7fa9\u5728 <a href=\"https:\/\/github.com\/kimisme9386\/lab-ecs-fargate-cd-infra\/blob\/main\/appspec.yaml#L18-L22\">appspec.yaml<\/a> \u6a94\u6848\u4e2d\uff0c\u53ef\u4ee5\u770b\u5230\u6dfa\u85cd\u8272\u65b9\u584a\u5c31\u662f\u53ef\u4ee5\u81ea\u8a02\u7fa9 lambda \b\u7684\u90e8\u5206\uff0c\u6709 5 \u500b\u53ef\u4ee5\u81ea\u8a02\u7fa9\u7684 event \u5982\u4e0b<\/p>\n<ul>\n<li>\n<p><em><strong>BeforeInstall<\/strong><\/em> &#8211; \u5b89\u88dd green instance \u4e4b\u524d<\/p>\n<\/li>\n<li>\n<p><em><strong>AfterInstall<\/strong><\/em> &#8211; \u5b89\u88dd green instance \u4e4b\u5f8c<\/p>\n<\/li>\n<li>\n<p><em><strong>AfterAllowTestTraffic<\/strong><\/em> &#8211; Test traffic \u5df2\u7d93\u53ef\u4ee5\u5c0e\u5230 green instance\uff0c\u4e5f\u5c31\u662f ALB or NLB Listener \u5df2\u7d93\u5c0e\u5230 Green Target Group\uff0c\u53ef\u4ee5\u6e2c\u8a66\u65b0\u7248\u672c\u800c\u4e0d\u5f71\u97ff\u820a\u7248\u672c<\/p>\n<\/li>\n<li>\n<p><em><strong>BeforeAllowTraffic<\/strong><\/em> &#8211; \u5207\u63db\u5230\u751f\u7522\u74b0\u5883\u6d41\u91cf\u5230 green instances \u4e4b\u524d<\/p>\n<\/li>\n<li>\n<p><em><strong>AfterAllowTraffic<\/strong><\/em> &#8211; \u5207\u63db\u5230\u751f\u7522\u74b0\u5883\u6d41\u91cf\u5230 green instances \u4e4b\u5f8c<\/p>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u00a0<\/p>\n<h3>\u90e8\u7f72\u6d41\u7a0b<\/h3>\n<p>\u4ee5\u4e0b\u662f AWS ECS on Fargate \u4f7f\u7528 AWS CodeDeploy \u4f86\u5be6\u73fe Blue\/Green Deployment \u4f86\u8aaa\u660e (\u4ee5\u4e0b\u5716\u7247\u4f86\u6e90\u53d6\u81ea<a href=\"https:\/\/docs.aws.amazon.com\/codedeploy\/latest\/userguide\/deployment-steps-ecs.html\">AWS \u5b98\u65b9\u6587\u4ef6<\/a>)<\/p>\n<p><strong>1. \u9032\u5165\u90e8\u7f72\u6d41\u7a0b\u4e4b\u524d<\/strong><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"264\" height=\"364\" src=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-1.png\" alt=\"\" class=\"wp-image-2100\" srcset=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-1.png 264w, https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-1-218x300.png 218w\" sizes=\"(max-width: 264px) 100vw, 264px\" \/><\/a><figcaption><strong><em><span class=\"has-inline-color has-vivid-cyan-blue-color\">Hint: \u9ede\u5716\u53ef\u653e\u5927<\/span><\/em><\/strong><\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u9019\u908a\u5c0d\u61c9\u5230\u751f\u547d\u9031\u671f Hook \u6703\u57f7\u884c <em><strong>BeforeInsall<\/strong><\/em> \uff0c\u53ef\u4ee5\u770b\u4e00\u4e0b\u5716\u5f0f\u67b6\u69cb\uff0c\u57fa\u672c\u4e0a\u9700\u8981 ALB or NLB\uff0c\u4e26\u4e14\u9700\u8981\u5169\u500b Listener \u548c Target Group\uff0c\u624d\u80fd\u5be6\u4f5c\u5207\u63db\u6d41\u91cf\uff0c\u800c\u4e00\u958b\u59cb\u7576\u521d\u5c31\u53ea\u6709 Blue instance (\u6b64\u4f8b\u70ba ECS Task)<\/p>\n<p>\u00a0<\/p>\n<p><strong>2. \u5b89\u88dd Green instances<\/strong><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"288\" height=\"365\" src=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-2.png\" alt=\"\" class=\"wp-image-2118\" srcset=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-2.png 288w, https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-2-237x300.png 237w\" sizes=\"(max-width: 288px) 100vw, 288px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u9019\u908a\u5c0d\u61c9\u5230\u751f\u547d\u9031\u671f Hook \u662f <em><strong>Install<\/strong><\/em>\uff0c\u6703\u628a Green instances \u5b89\u88dd\u597d\uff0c\u4ee5\u6b64\u4f8b\u5b50\uff0c\u5c31\u662f ECS Service \u4e2d\u7684\u65b0 task \u90fd\u6703\u555f\u52d5\uff0c\u4e26\u4e14\u628a Test Listener \u7684 Target Group \u6307\u5411 Green \u4e2d\u7684 ECS Task\uff0c\u800c\u9019\u4e00\u6b65\u5b8c\u6210\u4e4b\u5f8c\uff0c\u6703\u57f7\u884c\u751f\u547d\u9031\u671f Hook <em><strong>AfterInstall<\/strong><\/em><\/p>\n<p>\u00a0<\/p>\n<p><strong>3. Test Listener \u6307\u5411 Green Target Group<\/strong><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"288\" height=\"365\" src=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-3.png\" alt=\"\" class=\"wp-image-2120\" srcset=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-3.png 288w, https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-3-237x300.png 237w\" sizes=\"(max-width: 288px) 100vw, 288px\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u9019\u908a\u5c0d\u61c9\u5230\u751f\u547d\u9031\u671f Hook \u7684 <em><strong>AllowTestTraffic<\/strong><\/em>\uff0c\u5230\u6b64\u968e\u6bb5\uff0c\u7b97\u662f\u5b8c\u6574\u904b\u884c\u5169\u5957 production \u74b0\u5883<\/p>\n<p>\u518d\u4f86\u6703\u5c0d\u61c9\u5230\u751f\u547d\u9031\u671f Hook \u6703\u57f7\u884c *** BeforeAllowTraffic***\uff0c\u6ce8\u610f\u9019\u908a\u662f\u628a\u6d41\u91cf\u5207\u63db\u5230\u65b0\u7248 (green) \u7684\u6700\u5f8c\u4e00\u500b event hook\uff0c\u6240\u4ee5\u9019\u968e\u6bb5\u5c31\u9069\u5408\u653e E2E Testing \u7b49&#8230;\uff0c\u82e5\u6e2c\u8a66\u5931\u6557\u5c31\u53ef\u4ee5 rollback\uff0c\u4e5f\u4e0d\u6703\u5f71\u97ff\u4efb\u4f55\u7dda\u4e0a\u7684\u4f7f\u7528\u8005<\/p>\n<p>\u00a0<\/p>\n<p><strong>4. \u6d41\u91cf\u5207\u63db\u5230\u65b0\u7248<\/strong><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-4.png\"><img loading=\"lazy\" decoding=\"async\" width=\"288\" height=\"365\" src=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-4.png\" alt=\"\" class=\"wp-image-2126\" srcset=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-4.png 288w, https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-4-237x300.png 237w\" sizes=\"(max-width: 288px) 100vw, 288px\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u9019\u908a\u5c0d\u61c9\u5230\u751f\u547d\u9031\u671f Hook \u7684 <em><strong>AllowTraffic<\/strong><\/em>\uff0c\u4e5f\u5c31\u662f Production Listener \u6307\u5411\u65b0\u7248\u7684 Target Group (green)\uff0c\u800c\u9019\u908a\u4e5f\u5c31\u662f\u4e4b\u524d\u63d0\u5230\u7684\u53ef\u4ee5\u7528 3 \u7a2e\u9748\u6d3b\u7684\u90e8\u7f72\u65b9\u5f0f\uff0c\u5206\u5225\u70ba Canary\u3001Linear\u3001All-at-once\uff0c\u5dee\u5225\u5728\u6d41\u91cf\u5207\u63db\u7684\u6bd4\u4f8b<\/p>\n<p>\u00a0<\/p>\n<p><strong>5. \u522a\u9664\u820a\u7248\u5be6\u4f8b (blue instances)<\/strong><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-5.png\"><img loading=\"lazy\" decoding=\"async\" width=\"288\" height=\"365\" src=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-5.png\" alt=\"\" class=\"wp-image-2128\" srcset=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-5.png 288w, https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/bg-5-237x300.png 237w\" sizes=\"(max-width: 288px) 100vw, 288px\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u9019\u908a\u5c0d\u61c9\u5230\u751f\u547d\u9031\u671f Hook \u7684 <em><strong>AfterAllowTraffic<\/strong><\/em>\uff0c\u5230\u6b64\u7d50\u675f\uff0cCodeDeploy \u90e8\u7f72\u6703\u56de\u50b3 <code>Succeeded<\/code> \u72c0\u614b<\/p>\n<p>\u4ee5\u4e0a\u70ba\u6574\u500b Blue\/Green Deployment \u6d41\u7a0b\uff0c\u56e0\u70ba\u6709\u4e0d\u5c11 event hook \u53ef\u4ee5\u7528\uff0c\u6240\u4ee5\u9748\u6d3b\u6027\u76f8\u7576\u9ad8\uff0c\u76f8\u4fe1\u8981\u57f7\u884c\u54ea\u4e00\u7a2e Testing \u90fd\u662f\u53ef\u884c\u7684<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u00a0<\/p>\n<h3>\u7d50\u8ad6<\/h3>\n<p>Blue\/Green \u7684\u90e8\u7f72\u65b9\u5f0f\u76f8\u8f03 Rolling Update\uff0c\u8907\u96dc\u5ea6\u6bd4\u8f03\u9ad8\uff0c\u800c\u5982\u679c\u7522\u54c1\u5f88\u5728\u4e4e\u5728\u90e8\u7f72\u968e\u6bb5\u6642\uff0c\u9700\u8981\u8ffd\u8e64\u54ea\u500b\u7528\u6236\u662f\u7528\u54ea\u4e00\u500b\u7248\u672c\u6642\uff0c\u5efa\u8b70\u662f\u7528 Blue\/Green\uff0c\u624d\u80fd\u7cbe\u6e96\u5f97\u77e5\u4f7f\u7528\u54ea\u500b\u7248\u672c\uff0c\u53e6\u5916\u5982\u679c\u5718\u968a\u5f88\u91cd\u8996\u6e2c\u8a66 Production \u7684\u7a69\u5b9a\u6027\u5f8c\u624d\u6b63\u5f0f\u767c\u4f48\u7684\u8a71\uff0cBlue\/Green \u4e5f\u662f\u6bd4\u8f03\u9069\u5408\u7684<\/p>\n<p>\u5c0d\u65bc\u5be6\u4f5c\u7684\u90e8\u5206\uff0c\u4e0b\u4e00\u7bc7\u6703\u518d\u4ecb\u7d39\uff0c\u5148\u63d0\u4f9b\u5b8c\u6210\u7684 CDK App Repo <a href=\"https:\/\/github.com\/kimisme9386\/lab-ecs-fargate-cd-infra\">lab-ecs-fargate-cd-infra<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><p>\u00a0<\/p>\n<h3>\u53c3\u8003\u8cc7\u6599<\/h3>\n<ul>\n<li>\n<p><a href=\"https:\/\/www.flagship.io\/blue-green-deployment-pros-and-cons\/\">https:\/\/www.flagship.io\/blue-green-deployment-pros-and-cons\/<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.christianposta.com\/deploy\/blue-green-deployments-a-b-testing-and-canary-releases\/\">https:\/\/blog.christianposta.com\/deploy\/blue-green-deployments-a-b-testing-and-canary-releases\/<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.gremlin.com\/blog\/testing-doesnt-stop-at-staging\/\">https:\/\/www.gremlin.com\/blog\/testing-doesnt-stop-at-staging\/<\/a><\/p>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7e7c\u4e4b\u524d\u5beb\u904e\u7684\u4e00\u7bc7 \u6301\u7e8c\u90e8\u7f72 \u2013 \u4f7f\u7528 E<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[65,66,71],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u9032\u968e\u6301\u7e8c\u90e8\u7f72 - \u4f7f\u7528 Blue\/Green\u3001Canary \u964d\u4f4e\u767c\u7248\u98a8\u96aa - \u597d\u7aef\u7aef\u641e\u4ec0\u9ebc\u96f2\u7aef<\/title>\n<meta name=\"description\" content=\"\u6301\u7e8c\u90e8\u7f72 \u85cd\u7da0\u90e8\u7f72 Blue\/Green Deployment\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/9incloud.com\/aws\/blue-green-canary-risk-reduction\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9032\u968e\u6301\u7e8c\u90e8\u7f72 - \u4f7f\u7528 Blue\/Green\u3001Canary \u964d\u4f4e\u767c\u7248\u98a8\u96aa - \u597d\u7aef\u7aef\u641e\u4ec0\u9ebc\u96f2\u7aef\" \/>\n<meta property=\"og:description\" content=\"\u6301\u7e8c\u90e8\u7f72 \u85cd\u7da0\u90e8\u7f72 Blue\/Green Deployment\" \/>\n<meta property=\"og:url\" content=\"https:\/\/9incloud.com\/aws\/blue-green-canary-risk-reduction\" \/>\n<meta property=\"og:site_name\" content=\"\u597d\u7aef\u7aef\u641e\u4ec0\u9ebc\u96f2\u7aef\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-22T07:42:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-22T07:44:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/9incloud.com\/wp-content\/uploads\/2021\/08\/lifecycle-event-order-ecs.png\" \/>\n<meta name=\"author\" content=\"Chris\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" 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