{"id":35481,"date":"2023-06-30T06:17:51","date_gmt":"2023-12-14T21:28:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%b2%a1%e6%9c%89crd%e7%9a%84%e8%b6%85%e7%ba%a7%e7%ae%80%e5%8d%95%e7%9a%84kubernetes-operator-%ef%bc%88%e5%9f%ba%e4%ba%8eshell%e8%84%9a%e6%9c%ac%ef%bc%89\/"},"modified":"2024-04-30T11:20:34","modified_gmt":"2024-04-30T03:20:34","slug":"%e6%b2%a1%e6%9c%89crd%e7%9a%84%e8%b6%85%e7%ba%a7%e7%ae%80%e5%8d%95%e7%9a%84kubernetes-operator-%ef%bc%88%e5%9f%ba%e4%ba%8eshell%e8%84%9a%e6%9c%ac%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%b2%a1%e6%9c%89crd%e7%9a%84%e8%b6%85%e7%ba%a7%e7%ae%80%e5%8d%95%e7%9a%84kubernetes-operator-%ef%bc%88%e5%9f%ba%e4%ba%8eshell%e8%84%9a%e6%9c%ac%ef%bc%89\/","title":{"rendered":"\u6ca1\u6709CRD\u7684\u8d85\u7ea7\u7b80\u5355\u7684Kubernetes Operator \uff08\u57fa\u4e8eShell\u811a\u672c\uff09"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>Kubernetes Operator\u662f\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4f5c\u4e3aKubernetes\u7684\u6269\u5c55\u624b\u6bb5\u63d0\u4f9b\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49\u8d44\u6e90\u548c\u63a7\u5236\u5668\u6269\u5c55Kubernetes API\uff0c\u5e76\u53ef\u4ee5\u4f7f\u7528Kubernetes API\u548ckubectl\u547d\u4ee4\u50cf\u5176\u4ed6\u8d44\u6e90\u4e00\u6837\u8fdb\u884c\u63a7\u5236\u3002<\/p>\n<h2>\u6211\u4e3a\u4ec0\u4e48\u5199\u8fd9\u7bc7\u7a3f\u4ef6<\/h2>\n<p>\u64cd\u4f5c\u8005\u7684\u4fbf\u5229\u6027\u975e\u5e38\u9ad8\uff0c\u73b0\u5728\u5df2\u7ecf\u5f00\u53d1\u4e86\u8bb8\u591a\u80fd\u591f\u65e0\u7f1d\u9002\u914d\u5230Kubernetes\u7684\u64cd\u4f5c\u8005\u3002\u4f46\u53e6\u4e00\u65b9\u9762\uff0c\u5b9a\u4e49CRD\u548c\u4f7f\u7528go\u8bed\u8a00\u8fdb\u884c\u5f00\u53d1\u90fd\u9700\u8981\u4e00\u5b9a\u7684\u96be\u5ea6\uff0c\u8fd9\u4e5f\u662f\u4e8b\u5b9e\u3002<\/p>\n<p>\u5982\u679c\u6309\u7167operator-SDK\u7684\u6559\u7a0b\uff0c\u5c1d\u8bd5\u6309\u7167\u6b65\u9aa4\u64cd\u4f5cmemcached-operator\uff0c\u751a\u81f3\u8fdb\u884c\u4e86\u4ee3\u7801\u4fee\u6539\uff0c\u4f46\u662f\u4ecd\u7136\u5f88\u96be\u7406\u89e3\u7684\u4eba\u53ef\u80fd\u6709\u5f88\u591a\uff0c\u6211\u4e5f\u662f\u5176\u4e2d\u4e4b\u4e00\u3002<\/p>\n<p>\u3044\u308d\u3044\u308d\u52c9\u5f37\u3059\u308b\u3046\u3061\u306b\u3001memcached-operator\u6a5f\u80fd\u3082\u3001operator-SDK\u306e\u75d2\u3044\u6240\u306b\u624b\u304c\u5c4a\u304f\u4ed5\u7d44\u307f\u3082\u7406\u89e3\u304c\u9032\u307f\u307e\u3057\u305f\u304c\u3001\u77e5\u8b58\u30bc\u30ed\u306e\u3068\u3053\u308d\u304b\u3089memcachd-operator\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u6a4b\u6e21\u3057\u3059\u308b\u4f55\u304b\u304c\u5fc5\u8981\u3060\u3068\u611f\u3058\u3001\u3044\u304f\u3064\u304b\u8a18\u4e8b\u3092\u66f8\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u305d\u306e1\u3064\u3067\u3059\u3002<\/p>\n<p>\u6211\u8ba4\u8bc6\u5230Operator\u7684\u6700\u5927\u7279\u70b9\u662fCRD\uff0c\u4f46\u6211\u4e5f\u8ba4\u4e3aCRD\u5728\u4f7f\u7528\u548c\u7406\u89e3Operator\u65b9\u9762\u5b58\u5728\u4e00\u4e9b\u969c\u788d\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u91cc\uff0c\u6211\u5c06\u5c3d\u91cf\u907f\u514d\u6d89\u53ca\u81ea\u5b9a\u4e49\u8d44\u6e90\uff0c\u5e76\u7740\u91cd\u4ecb\u7ecd\u63a7\u5236\u5668\u7684\u529f\u80fd\u3002<\/p>\n<div>\n<p>Kubernetes Operator\u306b\u3064\u3044\u3066\u306e\u3061\u3087\u3063\u3068\u3057\u305f\u4e0d\u6e80<br \/>\nKubernetes API\u3068\u3057\u3066\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u7d44\u307f\u8fbc\u3080\u305f\u3081\u306b\u3001\u30ab\u30b9\u30bf\u30e0\u30ea\u30bd\u30fc\u30b9\u306f cluster resource\u306b\u306a\u308a\u307e\u3059\u3002\u30af\u30e9\u30b9\u30bf\u30fc\u7ba1\u7406\u8005\u304cCRD\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001\u958b\u767a\u30e6\u30fc\u30b6\u304c\u305d\u308c\u3092instance\u5316\u3059\u308b\u5f79\u5272\u5206\u62c5\u306a\u308f\u3051\u3067\u3059\u304c\u3001\u958b\u767a\u30e6\u30fc\u30b6\u306b\u3088\u308b\u81ea\u7531\u306aOperator\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u963b\u5bb3\u3057\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001Operator\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u5fc5\u8981\u3068\u306a\u308bCRD\u306e\u5b9a\u7fa9\u3082\u30cf\u30fc\u30c9\u30eb\u304c\u9ad8\u3044\u8981\u7d20\u306e1\u3064\u3067\u3059\u3002operator-SDK\u3067\u306f\u3001go\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u304b\u3089CRD\u3092\u751f\u6210\u3059\u308b\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u300c\u3084\u3063\u3071\u308ago\u8a00\u8a9e\u4f7f\u308f\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u300d\u70b9\u306b\u30a4\u30e9\u30c3\u3068\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<h1>\u8fbe\u6210\u76ee\u6807<\/h1>\n<p>\u672c\u7a3f\u3068\u3001\u3053\u308c\u306b\u7d9a\u304f\u4e00\u9023\u306e\u8a18\u4e8b\u3067\u306f\u4ee5\u4e0b\u3092\u76ee\u6a19\u3068\u3057\u307e\u3059\u3002\u53d6\u308a\u6d88\u3057\u7dda\u306e\u9805\u76ee\u306f\u3001\u672c\u7a3f\u3067\u306f\u306a\u304f\u5225\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Kubernetes Operator\u3092\u3056\u3063\u304f\u308a\u7406\u89e3\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Python SDK\u3092\u4f7f\u7528\u3057\u3066Operator\u306e\u30ed\u30b8\u30c3\u30af\u3092\u4f5c\u6210\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Python Operator SDK (kopf\uff09\u3092\u4f7f\u7528\u3057\u3066Operator\u3092\u4f5c\u6210\u3059\u308b<\/ul>\n<p>\u307e\u305f\u3001\u30bf\u30a4\u30c8\u30eb\u306b\u3042\u308b\u3088\u3046\u306b\u3053\u3053\u3067\u306fOperator\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u5b9f\u73fe\u3059\u308b\u30ed\u30b8\u30c3\u30af\u3084\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4e2d\u5fc3\u306b\u8aac\u660e\u3057\u3001CRD\u306b\u3064\u3044\u3066\u306f\u89e6\u308c\u307e\u305b\u3093\u3002\u307e\u305f\u4f5c\u6210\u3057\u305f\u30ed\u30b8\u30c3\u30af\u3092Operator\u3068\u3057\u3066\u52d5\u4f5c\u3055\u305b\u308b\u305f\u3081\u306e\u5468\u8fba\u4f5c\u696d\u306b\u3064\u3044\u3066\u306f\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u8aac\u660e\u3068\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h1>\u5fc5\u987b\u7684\u4e1c\u897f (b\u00ec x\u016b de xi)<\/h1>\n<h2>\u524d\u63d0\u7684\u77e5\u8bc6<\/h2>\n<p>\u77e5\u8b58\u30bc\u30ed\u3068\u306f\u8a00\u3048\u3001\u300ckubernetes\u3063\u3066\u4f55\uff1f\u300d\u304b\u3089\u3060\u3068\u5927\u5909\u306a\u306e\u3067\u3001kubernetes\u306e\u64cd\u4f5c\u306f\u3042\u308b\u7a0b\u5ea6\u3067\u304d\u308b\u3001\u3068\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u4f8b\u984c\u3068\u3057\u3066\u6271\u3046\u554f\u984c\u306e\u6027\u8cea\u4e0a\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u904b\u7528\u7ba1\u7406\u3059\u308b\u99c6\u3051\u51fa\u3057\u30a8\u30f3\u30b8\u30cb\u30a2\u7a0b\u5ea6\u306e\u77e5\u8b58\u304c\u3042\u308c\u3070\u3001\u306a\u304a\u826f\u3044\u3067\u3059\u3002<\/p>\n<h2>\u9700\u8981\u7684\u73af\u5883<\/h2>\n<p>\u6b64\u5904\u8981\u521b\u5efa\u7684\u662f\u4e00\u4e2a\u65e8\u5728\u201c\u4e00\u773c\u770b\u61c2\u201d\u7684\u9879\u76ee\uff0c\u56e0\u6b64\u5e76\u4e0d\u9700\u8981\u8fd0\u884c\u73af\u5883\uff08\u4e0d\u8003\u8651\u8fd0\u884c\uff09\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u62e5\u6709\u53ef\u81ea\u7531\u4f7f\u7528\u7684Kubernetes\u96c6\u7fa4\u662f\u5f88\u597d\u7684\u3002\u8003\u8651\u5230\u6545\u969c\u5904\u7406\u7684\u95ee\u9898\u6027\u8d28\uff0cminikube\u548cOpenShift Local\u5e76\u4e0d\u8db3\u591f\u3002<\/p>\n<h1>\u518d\u8003\uff1aOperator\u6307\u7684\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>Operator\u3068\u306fKubernetes\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u300c\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u30d1\u30bf\u30fc\u30f32\u300d\u306e\u5192\u982d\u306b\u3042\u308b\u3088\u3046\u306b\u3001\u904b\u7528\u306e\u77e5\u8b58\u3092\u30b3\u30fc\u30c9\u5316\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<blockquote><p>\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\u306f\u30b5\u30fc\u30d3\u30b9\u3001\u307e\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u7fa4\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u904b\u7528\u62c5\u5f53\u8005\u306e\u4e3b\u306a\u76ee\u7684\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3059\u308b\u3053\u3068\u304c\u76ee\u6a19\u3067\u3059\u3002<\/p><\/blockquote>\n<p>\u305d\u306e\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3092\u30ab\u30b9\u30bf\u30e0\u30ea\u30bd\u30fc\u30b9\u3068\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u5b9f\u88c5\u3059\u308b\u306e\u304cKubernetes Operator\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u30ab\u30b9\u30bf\u30e0\u30ea\u30bd\u30fc\u30b9\u3084\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089\u8aac\u660e\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u306a\u304f\u3001\u300c\u904b\u7528\u77e5\u8b58\u306e\u30b3\u30fc\u30c9\u5316\u300d\u3092\u51fa\u767a\u70b9\u306b\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u3093\u306a\u306b\u96e3\u3057\u3044\u8a71\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u3089\u666e\u901a\u306b\u884c\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u3001Operator\u3063\u307d\u304f\u8aac\u660e\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<h1>StatefulSet Pod\u7684\u5f37\u5236\u522a\u9664\u64cd\u4f5c\u5668<\/h1>\n<h2>\u5e94\u89e3\u51b3\u7684\u95ee\u9898<\/h2>\n<p>StatefulSet\u306fPod\u306e\u9806\u5e8f\u3068\u4e00\u610f\u6027\u3092\u4fdd\u8a3c\u3059\u308bKubernetes\u30ea\u30bd\u30fc\u30b9\u3067\u3059\u3002Pod\u304c\u30e6\u30cb\u30fc\u30af\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u30ce\u30fc\u30c9\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001Deployment\u306e\u3088\u3046\u306b\u5225\u306e\u30ce\u30fc\u30c9\u3067Pod\u304c\u81ea\u52d5\u7684\u306b\u8d77\u52d5\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ce\u30fc\u30c9\u304c\u30af\u30e9\u30b9\u30bf\u30fc\u304b\u3089\u898b\u3048\u306a\u304f\u306a\u3063\u305f\u539f\u56e0\u304c\u5358\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5207\u65ad\u3067\u3042\u308a\u3001\u3069\u3053\u304b\u3067Pod\u304c\u7a3c\u50cd\u3057\u7d9a\u3051\u3066\u3044\u308b\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u30ce\u30fc\u30c9\u304c\u505c\u6b62\u3057\u3066Pod\u3082\u6d88\u6ec5\u3057\u305f\u306e\u304b\u304c\u5224\u65ad\u3067\u304d\u306a\u3044\u304b\u3089\u3067\u3059\u3002Pod\u306f\u30ce\u30fc\u30c9\u304c\u5fa9\u5e30\u3059\u308b\u307e\u3067\u3001\u3082\u3057\u304f\u306f\u5f37\u5236\u7684\u306b\u524a\u9664\u3055\u308c\u308b\u307e\u3067Terminating\u306e\u307e\u307e\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306eTerminating Pod\u304c\u5b58\u5728\u3057\u7d9a\u3051\u308b\u9650\u308a\u3001\u65b0\u305f\u306aStatefulSet Pod\u306f\u8d77\u52d5\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u5982\u679c\u8282\u70b9\u7531\u4e8e\u6545\u969c\u505c\u6b62\uff0c\u5e0c\u671b\u50cf\u90e8\u7f72\u4e00\u6837\uff0c\u81ea\u52a8\u5c06StatefulSet Pod\u8fc1\u79fb\u5230\u53e6\u4e00\u4e2a\u8282\u70b9\u4e0a\u3002\u4e3a\u7b80\u5316\u95ee\u9898\uff0c\u6211\u4eec\u5047\u8bbe\u4ee5\u4e0b\u4e24\u70b9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Pod\u306f\u3044\u3064\u3067\u3082\u554f\u984c\u306a\u304fdelete\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ce\u30fc\u30c9\u306bNoExecute\u30c6\u30a4\u30f3\u30c8\u304c\u3064\u3044\u3066\u3044\u305f\u3089\u30ce\u30fc\u30c9\u969c\u5bb3\u3068\u5224\u65ad\u3067\u304d\u308b<\/ul>\n<div>\n<p>\u4e00\u822c\u7684\u306bStatefulSet Pod\u306f\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u306a\u3069\u96e3\u3057\u3044\u5236\u7d04\u3092\u6301\u3064\u5834\u5408\u304c\u5c11\u306a\u304f\u306a\u304f\u3001\u505c\u6b62\u306b\u306f\u614e\u91cd\u306a\u5224\u65ad\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u306f\u653e\u7f6e\u3057\u3066\u304a\u3044\u3066\u3082\u4fee\u5fa9\u3055\u308c\u306a\u3044\u554f\u984c\u306e\u4e00\u4f8b\u3068\u3057\u3066\u53d6\u308a\u4e0a\u3052\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u30d7\u30ed\u30c0\u30af\u30b7\u30e7\u30f3\u74b0\u5883\u3067\u3053\u306e\u3088\u3046\u306a\u81ea\u52d5\u5316\u3092\u884c\u3046\u969b\u306b\u306f\u5341\u5206\u306a\u914d\u616e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n<p>StatefulPod\u306e\u5f37\u5236\u524a\u9664\u306f\u3001Force Delete StatefulSet Pods\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u3001&#8211;force\u30aa\u30d7\u30b7\u30e7\u30f3\u4ed8\u304d\u306ekubectl delete\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<h2>\u5e38\u89c1\u7684\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<p>\u666e\u901a\u3001\u6b21\u306e\u3088\u3046\u306a\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u66f8\u304f\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u307e\u305a\u5206\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u7591\u4f3c\u30b3\u30fc\u30c9\u3067\u66f8\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>\u7121\u9650\u30eb\u30fc\u30d7 {\r\n  if Terminating State\u306ePod\u304c\u3042\u308b {\r\n    if \u305d\u306ePod\u304c\u7a3c\u50cd\u3057\u3066\u3044\u308b\u30ce\u30fc\u30c9\u304c\u969c\u5bb3\u3067\u505c\u6b62\u3057\u3066\u3044\u308b {\r\n      \u305d\u306ePod\u3092\u5f37\u5236\u524a\u9664\u3059\u308b\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u5b9f\u969b\u306e\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u306f\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">#!\/bin\/sh<\/span>\r\n<span class=\"nv\">NAMESPACE<\/span><span class=\"o\">=<\/span>application\r\n\r\n<span class=\"k\">while <\/span>True\r\n<span class=\"k\">do\r\n  <\/span>kubectl get pod <span class=\"nt\">-o<\/span> wide <span class=\"nt\">-n<\/span> <span class=\"nv\">$NAMESPACE<\/span> | <span class=\"nb\">grep <\/span>Terminating | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $1, $7'<\/span><span class=\"o\">}<\/span> | <span class=\"k\">while <\/span><span class=\"nb\">read <\/span>terminating\r\n  <span class=\"k\">do\r\n    <\/span><span class=\"nv\">appl<\/span><span class=\"o\">=<\/span><span class=\"si\">$(<\/span><span class=\"nb\">echo<\/span> <span class=\"nv\">$terminating<\/span> | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $1}'<\/span><span class=\"si\">)<\/span>\r\n    <span class=\"nv\">node<\/span><span class=\"o\">=<\/span><span class=\"si\">$(<\/span><span class=\"nb\">echo<\/span> <span class=\"nv\">$terminating<\/span> | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $2}'<\/span><span class=\"si\">)<\/span>\r\n\r\n    kubectl get node <span class=\"nv\">$node<\/span> <span class=\"nt\">-n<\/span> <span class=\"nv\">$NAMESPACE<\/span> <span class=\"nt\">-o<\/span> <span class=\"nv\">jsonpath<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"{.spec.taints[*].effect}\"<\/span> | <span class=\"nb\">grep <\/span>NoExecute <span class=\"o\">&gt;<\/span> \/dev\/null\r\n    <span class=\"k\">if<\/span> <span class=\"o\">[<\/span> <span class=\"nv\">$?<\/span> <span class=\"nt\">-eq<\/span> 0 <span class=\"o\">]<\/span><span class=\"p\">;<\/span> <span class=\"k\">then\r\n      <\/span><span class=\"nb\">echo<\/span> <span class=\"nv\">$node<\/span> is NoExecute, <span class=\"nv\">$appl<\/span> must be deleted\r\n      kubectl delete pod <span class=\"nv\">$appl<\/span> <span class=\"nt\">--force<\/span> <span class=\"nt\">-n<\/span> <span class=\"nv\">$NAMESPACE<\/span>\r\n    <span class=\"k\">fi\r\n    \r\n  done\r\n\r\n  <\/span><span class=\"nb\">sleep <\/span>10\r\n<span class=\"k\">done<\/span>\r\n<\/code><\/pre>\n<p>\u7279\u6b8a\u306a\u3053\u3068\u306f\u4f55\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u904b\u7528\u4f5c\u696d\u3068\u3057\u3066\u884c\u308f\u308c\u308b\u3067\u3042\u308d\u3046<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Terminating\u304c\u7d99\u7d9a\u3057\u3066\u3044\u308bPod\u304c\u3042\u308b\u305e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u306a\u3093\u3067Terminating\u306a\u3093\u3060\uff1f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ce\u30fc\u30c9\u969c\u5bb3\u304c\u539f\u56e0\u304b\u3002Pod\u3092\u505c\u6b62\u3057\u3066\u5225\u306e\u30ce\u30fc\u30c9\u306b\u79fb\u52d5\u3055\u305b\u308b\u304b<\/ul>\n<p>\u3068\u3044\u3046\u624b\u9806\u3092\u30b9\u30c8\u30ec\u30fc\u30c8\u306b\u30b3\u30fc\u30c9\u5316\u3057\u305f\u3060\u3051\u3067\u3059\u3002\u5b9f\u969b\u306b\u306f\u30ce\u30fc\u30c9\u969c\u5bb3\u306e\u5224\u5b9a\u3092\u3082\u3046\u5c11\u3057\u614e\u91cd\u306b\u3059\u308b\u3060\u3068\u304b\u3001\u3044\u304d\u306a\u308adelete\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3066\u3001\u3053\u306e\u72b6\u6cc1\u304c\u3057\u3070\u3089\u304f\u7d99\u7d9a\u3057\u3066\u3044\u305f\u3089\u3068\u304b\u3001\u3055\u307e\u3056\u307e\u306a\u914d\u616e\u3092\u884c\u3046\u3067\u3057\u3087\u3046\u304c\u672c\u8cea\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u5c06Kubernetes\u8fdb\u884c\u64cd\u4f5c\u7b26\u5316<\/h2>\n<p>\u5728\u5c06\u5176\u8f6c\u5316\u4e3aOperator\u7684\u57fa\u7840\u4e0a\uff0c\u57fa\u672c\u4e0a\u4e0d\u9700\u8981\u4efb\u4f55\u989d\u5916\u7684\u4e8b\u60c5\u3002\u8fd9\u4e2ashell\u811a\u672c\u672c\u8eab\u5c31\u662f\u4e00\u4e2aOperator\uff08\u53ef\u80fd\u6709\u70b9\u6781\u7aef\uff09\u3002<\/p>\n<div>\n<p>\u3082\u3061\u308d\u3093\u3001\u3053\u306e\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092Kubernetes Operator\u3068\u3057\u3066\u7a3c\u50cd\u3055\u305b\u308b\u306b\u306f\u3001\u5c11\u306a\u304f\u3068\u3082<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u5316\u3057\u3066\u3001Deployment Pod\u306b\u3059\u308b<br \/>\nPod\u306edelete\u3092\u884c\u3046\u6a29\u9650\u3092\u6301\u3064serviceaccount\u3068\u3001\u305d\u308c\u3092\u4f7f\u7528\u3059\u308bkubeconfig\u3092\u4f5c\u6210\u3057\u3066\u3001\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u540c\u68b1\u3059\u308b\uff08\u3082\u3057\u304f\u306fSecret\u3068\u3057\u3066\u4f9b\u7d66\u3059\u308b\uff09<\/p>\n<p>\u306a\u3069\u3001\u3084\u308b\u3079\u304d\u3053\u3068\u306f\u591a\u3005\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u672c\u7a3f\u306fOperator\u306e\u7406\u89e3\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u3046\u3057\u305f\u5468\u8fba\u4f5c\u696d\u306f\u53d6\u308a\u4e0a\u3052\u306a\u3044\uff08\u30b5\u30dc\u308b\uff09\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<p>\u3053\u306e\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u62bd\u8c61\u5316\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>\u7121\u9650\u30eb\u30fc\u30d7 {\r\n    \u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\r\n    if \u4e0d\u90fd\u5408\u304c\u3042\u308a\u3001\u5e0c\u671b\u3059\u308b\u72b6\u614b\u304b\u3089\u4e56\u96e2\u3057\u3066\u3044\u308b {\r\n        \u4e0d\u90fd\u5408\u3092\u4fee\u6b63\u3057\u3066\u3001\u5e0c\u671b\u306e\u72b6\u614b\u306b\u3059\u308b\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4e2d\u3067\u3001\u4e0d\u90fd\u5408\u3092\u4fee\u6b63\u3059\u308b\u4f5c\u696d\u3092reconcile\u3068\u547c\u3073\u3001\u3053\u308c\u3092\u7e70\u308a\u8fd4\u3057\u884c\u3046\u30eb\u30fc\u30d7\u3092reconcile-loop\u3068\u547c\u3073\u307e\u3059\u3002\u4f8b\u984c\u306e\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u306f\u3001Pod\u306e\u524a\u9664\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u7e70\u308a\u8fd4\u3057\u884c\u3046\u30eb\u30fc\u30d7\u306a\u306e\u3067\u3001control-loop\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u72b6\u6001\u901a\u5e38\u7531\u81ea\u5b9a\u4e49\u8d44\u6e90\u8fdb\u884c\u7ba1\u7406\uff0c\u4f46\u5e76\u4e0d\u4e00\u5b9a\u5fc5\u987b\u4f7f\u7528\u81ea\u5b9a\u4e49\u8d44\u6e90\u6765\u8868\u793a\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5e0c\u671b&#8221;\u5728\u6545\u969c\u8282\u70b9\u4e0a\u4e0d\u5b58\u5728\u5904\u4e8eTerminating\u72b6\u6001\u7684Pod&#8221;\uff0c\u6211\u4eec\u4f7f\u7528\u73b0\u6709\u7684Pod\u72b6\u6001\u548c\u8282\u70b9\u7684taint\u6765\u5b9e\u73b0\u3002<\/p>\n<p>\u540c\u69d8\u306b\u3001\u4f8b\u3048\u3070Deplyment\u30ea\u30bd\u30fc\u30b9\u304c\u5b58\u5728\u3057\u305f\u5834\u5408\u3001\u305d\u3053\u306b\u5b9a\u7fa9\u3055\u308c\u305fPod\u304c\u7a3c\u50cd\u3057\u3066\u3044\u306a\u3051\u308c\u3070Pod\u3092\u8d77\u52d5\u3059\u308b\u306e\u304cDeplyment\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u3059\u3002\u305d\u3053\u3067\u306fDeplyment\u304c\uff08\u30ab\u30b9\u30bf\u30e0\u3067\u306f\u306a\u3044\u3051\u308c\u3069\u3082\uff09\u30ea\u30bd\u30fc\u30b9\u3067\u3042\u308a\u3001Deployment\u30ea\u30bd\u30fc\u30b9\u3068Deployment\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304cDeployment Operator\u3092\u69cb\u6210\u3059\u308b\u3053\u3068\u3067\u3001Kubernetes\u306e\u4e00\u822c\u7684\u306a\u51e6\u7406\u3092\u3053\u306e\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3067\u8aac\u660e\u3067\u304d\u307e\u3059\u3002<\/p>\n<h1>\u7ed3\u675f\u65f6<\/h1>\n<p>\u901a\u8fc7\u5c06StatefulSet Pod\u5728\u8282\u70b9\u6545\u969c\u65f6\u4fdd\u6301\u7ec8\u6b62\u72b6\u6001\u7684\u73b0\u8c61\u8f6c\u5316\u4e3aShell\u811a\u672cOperator\u7684\u64cd\u4f5c\u8868\u8fbe\u6765\u89e3\u51b3\uff0c\u4ee5\u6b64\u6765\u63cf\u8ff0Operator\u7684\u57fa\u672c\u7ed3\u6784\u548c\u4f5c\u7528\u3002<\/p>\n<p>CRD\u3068\u304b\u3001reconcile-loop\u3068\u304b\u3001desired-state\u3068\u304b\u3001\u5c0f\u96e3\u3057\u3044\u8aac\u660e\u304c\u3044\u308d\u3044\u308d\u51fa\u3066\u304d\u3066\u521d\u5b66\u8005\u306f\u9762\u98df\u3089\u3046Kubernetes 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