{"id":21473,"date":"2021-10-15T09:50:00","date_gmt":"2021-10-15T00:50:00","guid":{"rendered":"https:\/\/labs.gree.jp\/blog\/?p=21473"},"modified":"2021-10-15T09:50:00","modified_gmt":"2021-10-15T00:50:00","slug":"post21473","status":"publish","type":"post","link":"https:\/\/labs.gree.jp\/blog\/2021\/10\/21473\/","title":{"rendered":"GKE 1.20+ \u3067 preemptible \/ spot VM \u3068\u3046\u307e\u304f\u4ed8\u304d\u5408\u3046"},"content":{"rendered":"<p>\u30a4\u30f3\u30d5\u30e9\u306e\u99d2\u5d0e\u3067\u3059\u3002<br \/>\nGoogle Kubernetes Engine (GKE) \u306e 1.20+ \u3067\u6709\u52b9\u306a kubelet graceful node shutdown \u3068\u3001\u305d\u308c\u3092\u6d3b\u7528\u3057\u305f preemptible VM \u306e\u5229\u7528\u306b\u3064\u3044\u3066\u66f8\u304b\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n<h2>GCP \u306e Preemptible VM \u3068\u306f<\/h2>\n<p><a href=\"https:\/\/cloud.google.com\/compute\/docs\/instances\/preemptible#\">Preemptible VM<\/a> \u306f\u3001\u3044\u304f\u3064\u304b\u306e\u5236\u9650\u304c\u3042\u308b\u304b\u308f\u308a\u306b\u901a\u5e38\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3088\u308a\u3082\u5b89\u304f\u5229\u7528\u3067\u304d\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002\u5236\u9650\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001\u6700\u3082\u7559\u610f\u3059\u3079\u304d\u306f \u300c\u3044\u3064\u3067\u3082\u505c\u6b62\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u6700\u9577\u3067\u3082\u8d77\u52d5\u304b\u3089 24 \u6642\u9593\u3067\u505c\u6b62\u3055\u308c\u308b\u300d\u70b9\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u203b Preemptible VM \u306e\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u3057\u3066 <a href=\"https:\/\/cloud.google.com\/compute\/docs\/instances\/spot\">Spot VM<\/a> \u3082\u30a2\u30ca\u30a6\u30f3\u30b9\u3055\u308c\u307e\u3057\u305f (2021\/10\/13 \u73fe\u5728\u00a0preview) \u3002<\/p>\n<h2>Graceful node shutdown<\/h2>\n<p>GKE 1.20 \u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f kubelet graceful node shutdown \u304c\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a Compute Engine VM \u306e\u7d42\u4e86\u3092 kubernetes \u5074\u3067\u7c21\u5358\u306b\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u30012021\/09 \u3088\u308a STABLE \u30ea\u30ea\u30fc\u30b9\u30c1\u30e3\u30cd\u30eb\u3067\u3082\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u4ee5\u524d\u3068\u306e\u6bd4\u8f03<\/h3>\n<p>\u3053\u306e\u6a5f\u80fd\u304c\u7121\u3044\u72b6\u614b\u3067\u306f\u3001VM \u306e\u7d42\u4e86\u306f kubernetes \u304b\u3089\u306f\u7a81\u7136\u30ce\u30fc\u30c9\u304c\u4f7f\u7528\u4e0d\u80fd\u306b\u306a\u3063\u305f\u3088\u3046\u306b\u898b\u3048\u308b\u305f\u3081\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u304c\u6b63\u5e38\u306b\u7d42\u4e86\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u5177\u4f53\u7684\u306b\u306f\u3001Pod \u306e lifecycle.preStop \u306e\u5b9f\u884c\u3084\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u7d42\u4e86\u30b7\u30b0\u30ca\u30eb\u9001\u4fe1\u3001\u307e\u305f Service \u304b\u3089\u306e\u9664\u5916\u306a\u3069\u304c\u884c\u308f\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3053\u308c\u3089\u3092\u9069\u5207\u306b\u6271\u3046\u305f\u3081\u306b\u306f\u3001<a href=\"https:\/\/github.com\/GoogleCloudPlatform\/k8s-node-termination-handler\">k8s-node-termination-handler<\/a> \u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3092\u30e6\u30fc\u30b6\u304c\u5c0e\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>Graceful node shutdown \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u6709\u52b9\u5316\u306b\u3088\u308a\u3001preemptible VM \u306e\u4e2d\u65ad\u3084 delete instance API \u306a\u3069\u306b\u3088\u308b VM \u7d42\u4e86\u306e\u969b\u306b\u3001\u307b\u307c\u6b63\u5e38\u7cfb\u306e\u7d42\u4e86\u51e6\u7406\u304c\u81ea\u52d5\u7684\u306b\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u52d5\u4f5c\u78ba\u8a8d<\/h2>\n<p>\u3053\u306e\u6a5f\u80fd\u306e\u6709\u7121\u306b\u3088\u308b\u6319\u52d5\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3059\u3002Deployment + Service \u3067\u4f5c\u6210\u3057\u305f PHP \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6d41\u3057\u306a\u304c\u3089 VM \u306e\u7d42\u4e86\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f7f\u3046\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001php:8.0-apache \u30a4\u30e1\u30fc\u30b8\u306b\u4ee5\u4e0b\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u914d\u7f6e\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u9014\u4e2d\u306b\u7d42\u4e86\u3057\u3066\u3057\u307e\u3046\u3068\u3044\u3063\u305f\u3001\u5b89\u5168\u3067\u306a\u3044\u30b1\u30fc\u30b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u306b1\u79d2\u304b\u304b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true\">&lt;?php\nsleep(1);\necho date(DATE_ATOM) . \"\\n\";<\/pre>\n<p>\u307e\u305f\u3001preStop \u306e\u5b9f\u884c\u3092\u78ba\u8a8d\u3057\u3084\u3059\u3044\u3088\u3046 sleep 10 \u3092\u4f7f\u3063\u305f\u30ed\u30b0\u3092\u4ed5\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"lang:yaml decode:true\">...\nlifecycle:\n  preStop:\n    exec:\n      command:\n      - \/bin\/sh\n      - -c\n      - |\n        exec &gt; \/proc\/1\/fd\/1\n        echo '{\"severity\": \"WARNING\", \"message\":\"[Begin] '${POD_NAME}' preStop\"}'\n        sleep 10\n        echo '{\"severity\": \"WARNING\", \"message\":\"[End] '${POD_NAME}' preStop\"}'\n...\n<\/pre>\n<p>\u3053\u3053\u306b Service \u3092\u304b\u3076\u305b\u3066\u30af\u30e9\u30b9\u30bf\u5185\u304b\u3089 <code>webapp<\/code> \u306e\u540d\u524d\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001httperf \u3067\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6d41\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"\">httperf --server webapp --port 80 --timeout 5 --num-conns 2000 --rate=10<\/pre>\n<p>preemptible VM \u306e\u7d42\u4e86\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u306b\u306f\u3001<code>gcloud compute instances simulate-maintenance-event<\/code> \u304c\u4f7f\u3048\u307e\u3059\u3002\u3053\u308c\u3092\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6d41\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<h3>1.19.14-gke.1900<\/h3>\n<p>\u307e\u305a\u306f\u3001graceful node shutdown \u304c\u7121\u52b9\u306a\u74b0\u5883\u3067\u6319\u52d5\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30af\u30e9\u30b9\u30bf\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u30ce\u30fc\u30c9\u30d0\u30fc\u30b8\u30e7\u30f3:\u00a0\u3068\u3082\u306b 1.19.14-gke.1900<\/li>\n<li>\u30ce\u30fc\u30c9:\u00a0 3\u53f0 (preemptible VM)\u3001\u81ea\u52d5\u30b9\u30b1\u30fc\u30eb\u7121\u52b9<\/li>\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3: Deployment \u306e replicas: 9 \u3068\u3057 3Pods\/\u30ce\u30fc\u30c9\u306b\u306a\u308b\u3088\u3046\u5206\u6563\u3057\u3066\u914d\u7f6e<\/li>\n<li>resources.requests \u306f 1\u30ce\u30fc\u30c9\u304c\u5229\u7528\u3067\u304d\u306a\u304f\u3066\u3082\u5225\u30ce\u30fc\u30c9\u3067\u5341\u5206\u306b\u518d\u914d\u7f6e\u53ef\u80fd\u306a\u5024<\/li>\n<\/ul>\n<p>\u3053\u306e\u74b0\u5883\u3067\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6d41\u3057\u306a\u304c\u3089 simulate-maintenance-event \u3092\u5b9f\u884c\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u7d50\u679c\u306e\u4e00\u90e8\u3092\u63b2\u8f09\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default\">root@client:~# httperf --server webapp --port 80 --timeout 5 --num-conns 2000 --rate=10 \nhttperf --timeout=5 --client=0\/1 --server=webapp --port=80 --uri=\/ --rate=10 --send-buffer=4096 --recv-buffer=16384 --num-conns=2000 --num-calls=1 \n...\n...\nReply status: 1xx=0 2xx=1886 3xx=0 4xx=0 5xx=0 \n...\nErrors: total 114 client-timo 109 socket-timo 0 connrefused 0 connreset 5\n...<\/pre>\n<p>\u5408\u8a08\u3067 2000 \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u3044\u307e\u3059\u304c\u3001114 \u4ef6\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u5207\u65ad\u306b\u3088\u308a\u5931\u6557\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>1.20.10-gke.301<\/h3>\n<p>\u3064\u304e\u306b\u3001graceful node shutdown \u306e\u6709\u52b9\u306a GKE 1.20 \u3067\u306e\u78ba\u8a8d\u3067\u3059\u3002\u30af\u30e9\u30b9\u30bf\u3001\u30ce\u30fc\u30c9\u3068\u3082\u306b 1.20.10-gke.301 \u306b\u3057\u3066\u3044\u308b\u4ee5\u5916\u306f\u524d\u8ff0\u306e 1.19 \u3068\u540c\u69d8\u306e\u74b0\u5883\u3067\u3059\u3002<\/p>\n<p>\u540c\u3058\u3088\u3046\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6d41\u3057\u306a\u304c\u3089 simulate-maintenance-event \u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default\">root@client:~# httperf --server webapp --port 80 --timeout 5 --num-conns=2000 --rate=10 \nhttperf --timeout=5 --client=0\/1 --server=webapp --port=80 --uri=\/ --rate=10 --send-buffer=4096 --recv-buffer=16384 --num-conns=2000 --num-calls=1 \n...\nReply status: 1xx=0 2xx=2000 3xx=0 4xx=0 5xx=0 \n...\nErrors: total 0 client-timo 0 socket-timo 0 connrefused 0 connreset 0\n...<\/pre>\n<p>\u3053\u306e\u3068\u304d\u30013\u30ce\u30fc\u30c9\u4e2d 2\u53f0\u306b\u5bfe\u3057\u3066\u9593\u9694\u3092\u3042\u3051\u3066 simulate-maintenance-event \u3092\u5b9f\u884c\u3057\u307e\u3057\u305f\u304c\u30012000 \u30ea\u30af\u30a8\u30b9\u30c8\u5168\u3066\u3067\u30a8\u30e9\u30fc\u306f\u767a\u751f\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002Pod \u306e\u5b89\u5168\u306a\u7d42\u4e86\u3068\u518d\u914d\u7f6e\u304c\u9069\u5207\u306b\u884c\u308f\u308c\u305f\u3082\u306e\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>Cloud Logging \u304b\u3089\u3082\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default\">2021-10-12 15:50:34.251 JST webapp [Tue Oct 12 06:50:34.244992 2021] [mpm_prefork:notice] [pid 1] AH00170: caught SIGWINCH, shutting down gracefully\n2021-10-12 15:50:34.229 JST webapp [End] webapp-68659dc885-95zkw preStop\n2021-10-12 15:50:34.209 JST webapp [Tue Oct 12 06:50:34.198200 2021] [mpm_prefork:notice] [pid 1] AH00170: caught SIGWINCH, shutting down gracefully\n2021-10-12 15:50:34.185 JST webapp [End] webapp-68659dc885-87gs8 preStop\n2021-10-12 15:50:34.104 JST webapp [Tue Oct 12 06:50:34.089360 2021] [mpm_prefork:notice] [pid 1] AH00170: caught SIGWINCH, shutting down gracefully\n2021-10-12 15:50:34.070 JST webapp [End] webapp-68659dc885-76mxb preStop\n2021-10-12 15:50:24.229 JST webapp [Begin] webapp-68659dc885-95zkw preStop\n2021-10-12 15:50:24.186 JST webapp [Begin] webapp-68659dc885-87gs8 preStop\n2021-10-12 15:50:24.068 JST webapp [Begin] webapp-68659dc885-76mxb preStop\n<\/pre>\n<p><code>sleep 10<\/code> \u3092\u542b\u3080 preStop \u304c\u9069\u5207\u306b\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f <a href=\"https:\/\/hub.docker.com\/layers\/php\/library\/php\/8.0-apache\/images\/sha256-083aaf559382bb964d77a5505866836e2569aa176053a0055abdd581bf52da4e?context=explore\">php:8.0-apache \u30a4\u30e1\u30fc\u30b8<\/a>\u306f <code>STOPSIGNAL SIGWINCH<\/code> \u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u9069\u5207\u306b\u6307\u5b9a\u3055\u308c\u305f\u30b7\u30b0\u30ca\u30eb\u3092\u53d7\u3051\u53d6\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u898b\u3066\u53d6\u308c\u307e\u3059\u3002<\/p>\n<p>\u671f\u5f85\u901a\u308a\u306e\u52d5\u4f5c\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u6ce8\u610f\u70b9<\/h2>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306a\u7c21\u5358\u306a\u30b1\u30fc\u30b9\u3067\u306f\u671f\u5f85\u901a\u308a\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u6ce8\u610f\u70b9\u3082\u3042\u308a\u307e\u3059\u3002\u57fa\u672c\u306f<a href=\"https:\/\/cloud.google.com\/kubernetes-engine\/docs\/how-to\/preemptible-vms\">\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u90fd\u5ea6\u3054\u53c2\u7167\u3044\u305f\u3060\u304f\u306e\u304c\u3088\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u4e3b\u306a\u3082\u306e\u3092\u6319\u3052\u3066\u307f\u307e\u3059\u3002<\/p>\n<h3>Kubernetes \u672c\u6765\u306e\u6319\u52d5\u3068\u306e\u5dee\u7570<\/h3>\n<p><a href=\"https:\/\/cloud.google.com\/kubernetes-engine\/docs\/how-to\/preemptible-vms#kubernetes_constraint_violations\">Kubernetes \u5236\u7d04\u9055\u53cd<\/a>\u00a0\u7b49\u306b\u3042\u308b\u3088\u3046\u306b\u3001preemptible VM \u4f7f\u7528\u6642\u306b\u6ce8\u610f\u3059\u3079\u304d\u6319\u52d5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>VM \u306e\u4e2d\u65ad\u6642\u306b\u306f PodDisruptionBudget (PDB) \u306f\u4fdd\u8a3c\u3055\u308c\u307e\u305b\u3093\u3002PDB \u306e\u8a2d\u5b9a\u3088\u308a\u3082\u591a\u304f\u306e Pod \u304c\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001VM \u4e2d\u65ad\u6642\u306b\u305d\u306e\u30ce\u30fc\u30c9\u4e0a\u306e\u30e6\u30fc\u30b6 Pod \u306b\u306f\u3001\u30d9\u30b9\u30c8\u30a8\u30d5\u30a9\u30fc\u30c8\u3067 25\u79d2\u306e\u7336\u4e88\u671f\u9593\u304c\u4e0e\u3048\u3089\u308c\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002terminationGracePeriodSeconds \u306f 25\u79d2\u4ee5\u5185\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>StatefulSet \u3067\u306f\u4f7f\u7528\u3057\u306a\u3044<\/h3>\n<p>StatefulSet \u3067\u306f<a href=\"https:\/\/kubernetes.io\/ja\/docs\/tasks\/run-application\/force-delete-stateful-set-pod\/\">\u5f37\u5236\u524a\u9664\u6642\u306b \"ID \u3054\u3068\u306b\u6700\u5927 1\u3064\u306e Pod\" \u306e\u4fdd\u8a3c\u304c\u5b88\u3089\u308c\u306a\u304f\u306a\u308b<\/a>\u305f\u3081\u306b preemptible VM \u3092\u4f7f\u3046\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>DaemonSet \u306e preStop \u306b\u983c\u3089\u306a\u3044<\/h3>\n<p>DaemonSet \u306b\u5bfe\u3057\u3066\u3082 graceful node shutdown \u306b\u3088\u308b\u7d42\u4e86\u51e6\u7406\u306f\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002\u3057\u304b\u3057\u5c11\u306a\u304f\u3068\u3082\u4eca\u56de\u306e\u691c\u8a3c\u74b0\u5883\u3067\u306f\u3001\u30ce\u30fc\u30c9\u30d7\u30fc\u30eb\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u305f\u3068\u304d\u306b preStop \u306e\u7d42\u4e86\u3092\u5f85\u305f\u305a\u306b VM \u306f\u505c\u6b62\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u7d42\u4e86\u6642\u306e\u5f8c\u59cb\u672b\u3068\u3057\u3066\u306e preStop \u306b\u306f\u671f\u5f85\u3057\u306a\u3044\u306e\u304c\u7121\u96e3\u3067\u3059\u3002<\/p>\n<h3>Network endpoint group (NEG) \u5229\u7528\u6642\u306e\u78ba\u8a8d\u7b87\u6240<\/h3>\n<p>\u3053\u308c\u306f\u672c\u8cea\u7684\u306b\u306f preemptible VM \u306b\u95a2\u4fc2\u306f\u7121\u3044\u306e\u3067\u3059\u304c\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b89\u5168\u306a\u7d42\u4e86\u306b\u95a2\u308f\u308a\u304c\u3042\u308b\u305f\u3081\u7c21\u5358\u306b\u8a00\u53ca\u3057\u3066\u304a\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>GKE 1.17.6-gke.7 \u4ee5\u964d\u306e\u30af\u30e9\u30b9\u30bf\u3067\u306f\u3001network endpoint group (NEG) \u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002GKE \u3067\u7279\u306b\u610f\u8b58\u305b\u305a\u306b Service \u3068 Ingress \u3092\u4f7f\u3063\u3066 Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u516c\u958b\u3059\u308b\u3068\u3001NEG \u3092\u5229\u7528\u3057\u3066\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u304b\u3089\u76f4\u63a5 Pod \u306e IP \u3078\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u914d\u9001\u3055\u308c\u308b\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5834\u5408\u3001\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u304b\u3089 Pod \u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u6d41\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u306f\u3001 kubernetes \u5074\u306e Ready \u72b6\u614b\u3067\u306f\u306a\u304f\u3001 GCP \u5074\u306e\u8a72\u5f53\u306e NEG \u306b Pod \u306e IP \u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b (\u3068\u3001\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u72b6\u614b) \u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u306f GKE \u306e ServiceNetworkEndpointGroup \u30ea\u30bd\u30fc\u30b9\u304c\u9069\u5207\u306b kubernetes \u5185\u306e\u72b6\u614b\u306b\u3088\u3063\u3066 NEG \u3068\u306e\u540c\u671f\u3092\u884c\u3044\u307e\u3059\u3002Pod \u4f5c\u6210\u306e\u969b\u306b NEG \u306b\u8ffd\u52a0\u3055\u308c\u3001Pod \u7d42\u4e86\u6642\u306b\u306f NEG \u304b\u3089 IP \u3092\u9664\u5916\u3057\u3066\u304f\u308c\u307e\u3059\u306e\u3067\u3001\u6b63\u5e38\u52d5\u4f5c\u3057\u3066\u3044\u308c\u3070\u3042\u307e\u308a\u610f\u8b58\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3082\u3057\u3082\u3001\u60f3\u5b9a\u5916\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u3063\u3066\u3044\u308b\u5834\u5408\u306a\u3069\u3001\u8a73\u7d30\u306a\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u305f\u3044\u3068\u304d\u306b\u306f GCP NEG \u30ea\u30bd\u30fc\u30b9\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u6319\u52d5\u3092\u89b3\u5bdf\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default\">\u276f kubectl get svcneg\n# neg \u540d\n\u276f kubectl describe svcneg k8s*****\n# Last Sync Time \u7b49\u306e\u78ba\u8a8d\n\u276f gcloud compute network-endpoint-groups list-network-endpoints k8s*****\n# \u30b0\u30eb\u30fc\u30d7\u5185 \u30a2\u30c9\u30ec\u30b9\u7b49\u306e\u78ba\u8a8d\n<\/pre>\n<h2>\u304a\u308f\u308a\u306b<\/h2>\n<p>kubelet graceful node shutdown \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u6709\u52b9\u5316\u306b\u3088\u308a\u3001preemptible VM \u304c\u3050\u3063\u3068\u4f7f\u3044\u3084\u3059\u304f\u306a\u308a\u307e\u3057\u305f\u300225\u79d2\u306e\u5236\u9650\u306e\u306a\u304b\u3067\u5b89\u5168\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u7d42\u4e86\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u3088\u3046\u306a\u904b\u7528\u4e0a\u306e\u5236\u9650\u3092\u8a2d\u8a08\u6642\u3088\u308a\u610f\u8b58\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30b9\u30c8\u6700\u9069\u5316\u304c\u3084\u308a\u3084\u3059\u304f\u306a\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u672c\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u3044\u308b\u6700\u4e2d\u306b\u5f8c\u7d99\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306a\u308b GCE Spot VM \u306e\u66f4\u65b0\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306f preemptible VM \u306b\u3042\u3063\u305f 24 \u6642\u9593\u5f37\u5236\u7d42\u4e86\u306e\u5236\u9650\u304c\u306a\u304f\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002preemptible VM \u3092\u307e\u3068\u3081\u3066\u8d77\u52d5\u3059\u308b\u3068\u4e00\u6589\u306b\u843d\u3061\u304c\u3061\u306a\u554f\u984c\u306e\u56de\u907f\u304c\u671f\u5f85\u3067\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u304c preemptible \/ spot VM \u306e\u5229\u7528\u691c\u8a0e\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u53c2\u8003<\/h2>\n<ul>\n<li><a href=\"https:\/\/cloud.google.com\/architecture\/running-web-applications-on-gke-using-cost-optimized-pvms-and-traffic-director\">\u8cbb\u7528\u304c\u6700\u9069\u5316\u3055\u308c\u305f PVM \u3092\u4f7f\u7528\u3057\u305f GKE \u3067\u306e\u30a6\u30a7\u30d6 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u3002 \u00a0|\u00a0 Cloud \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3 \u30bb\u30f3\u30bf\u30fc<\/a><\/li>\n<li><a href=\"https:\/\/cloud.google.com\/kubernetes-engine\/docs\/how-to\/preemptible-vms\">\u30d7\u30ea\u30a8\u30f3\u30d7\u30c6\u30a3\u30d6\u30eb VM \u306e\u5b9f\u884c | Kubernetes Engine \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 | Google Cloud<\/a><\/li>\n<li><a href=\"https:\/\/cloud.google.com\/kubernetes-engine\/docs\/concepts\/spot-vms\">Spot VMs | Kubernetes Engine Documentation | Google Cloud<\/a><\/li>\n<li><a href=\"http:\/\/Force Delete StatefulSet Pods | Kubernetes\">Force Delete StatefulSet Pods | Kubernetes<\/a><\/li>\n<li><a href=\"https:\/\/hub.docker.com\/layers\/php\/library\/php\/8.0-apache\/images\/sha256-083aaf559382bb964d77a5505866836e2569aa176053a0055abdd581bf52da4e?context=explore\">Image Layer Details - php:8.0-apache - sha256:083aaf559382bb964d77a5505866836e2569aa176053a0055abdd581bf52da4e | Docker Hub<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u30a4\u30f3\u30d5\u30e9\u306e\u99d2\u5d0e\u3067\u3059\u3002 Google Kubernetes Engine (GKE) \u306e 1.20+ \u3067\u6709\u52b9\u306a kubelet graceful node shutdown \u3068\u3001\u305d\u308c\u3092\u6d3b\u7528\u3057\u305f preemptible VM [&hellip;]<\/p>\n","protected":false},"author":158,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9],"tags":[141,142,143],"class_list":["post-21473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info","tag-gcp","tag-gke","tag-kubernetes"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/21473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/users\/158"}],"replies":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/comments?post=21473"}],"version-history":[{"count":3,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/21473\/revisions"}],"predecessor-version":[{"id":21513,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/21473\/revisions\/21513"}],"wp:attachment":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/media?parent=21473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/categories?post=21473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/tags?post=21473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}