{"id":9689,"date":"2025-10-16T04:43:44","date_gmt":"2025-10-16T04:43:44","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=9689"},"modified":"2025-10-16T04:43:44","modified_gmt":"2025-10-16T04:43:44","slug":"%e3%80%90%e9%80%a3%e8%bc%89%e3%80%91%e3%82%b5%e3%82%a4%e3%83%9c%e3%82%a6%e3%82%ba%e3%81%aekubernetes%e3%83%97%e3%83%a9%e3%83%83%e3%83%88%e3%83%95%e3%82%a9%e3%83%bc%e3%83%a0%e3%82%92%e6%94%af-2","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/9689\/","title":{"rendered":"\u3010\u9023\u8f09\u3011\u30b5\u30a4\u30dc\u30a6\u30ba\u306eKubernetes\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u652f\u3048\u308bOSS: \u2461Teleport\u306b\u3088\u308b\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u63d0\u4f9b\u3068login-protector\u306b\u3088\u308b\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u4fdd\u8b77 &#8211; Cybozu Inside Out"},"content":{"rendered":"\n<\/p>\n<div>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001<a target=\"_blank\" href=\"https:\/\/cybozu.github.io\/summer-blog-fes-2025\/\">CYBOZU SUMMER BLOG FES &#8217;25<\/a>\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30a6\u30c9\u57fa\u76e4\u672c\u90e8 PDX\uff08Platform Developer Experience\uff09\u30c1\u30fc\u30e0\u306e\u5ddd\u6e80\u3067\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u306f\u300c\u3010\u9023\u8f09\u3011\u30b5\u30a4\u30dc\u30a6\u30ba\u306eKubernetes\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u652f\u3048\u308bOSS\u300d\u306e\u7b2c2\u56de\u76ee\u3068\u3057\u3066\u3001\u30b5\u30a4\u30dc\u30a6\u30ba\u306eKubernetes\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u304a\u3051\u308b\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u63d0\u4f9b\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fblog.cybozu.io%2Fentry%2F2025%2F10%2F02%2F080000\" title=\"\u3010\u9023\u8f09\u3011\u30b5\u30a4\u30dc\u30a6\u30ba\u306eKubernetes\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u652f\u3048\u308bOSS - Cybozu Inside Out | \u30b5\u30a4\u30dc\u30a6\u30ba\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><cite class=\"hatena-citation\"><a target=\"_blank\" href=\"https:\/\/blog.cybozu.io\/entry\/2025\/10\/02\/080000\">blog.cybozu.io<\/a><\/cite><\/p>\n<h2 id=\"Teleport\">Teleport<\/h2>\n<p>\u30b5\u30a4\u30dc\u30a6\u30ba\u3067\u306fKubernetes\u30af\u30e9\u30b9\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u7ba1\u7406\u3092\u884c\u3046\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066Teleport\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br \/><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fgithub.com%2Fgravitational%2Fteleport\" title=\"GitHub - gravitational\/teleport: The easiest, and most secure way to access and protect all of your infrastructure.\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><cite class=\"hatena-citation\"><a target=\"_blank\" href=\"https:\/\/github.com\/gravitational\/teleport\">github.com<\/a><\/cite><\/p>\n<p>Teleport\u306b\u306f\u6761\u4ef6\u4ed8\u304d\u3067\u7121\u6599\u5229\u7528\u3067\u304d\u308bTeleport Community Edition\u3068\u6709\u6599\u306eTeleport Enterprise Edition\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u30b5\u30a4\u30dc\u30a6\u30ba\u3067\u306fTeleport Enterprise Edition\u3092\u5229\u7528\u3057\u3066\u3001Kubernetes\u30af\u30e9\u30b9\u30bf\u4e0a\u306bTeleport\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Teleport\u306b\u306f\u591a\u304f\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30b5\u30a4\u30dc\u30a6\u30ba\u3067\u306f<a target=\"_blank\" href=\"https:\/\/goteleport.com\/platform\/zero-trust-access\/\">Teleport Zero Trust Access<\/a>\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3059\u3054\u304f\u7c21\u5358\u306b\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u3001Zero Trust Access\u306f\u9ad8\u6a5f\u80fd\u306a\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001Kubernetes\u30af\u30e9\u30b9\u30bf\u306a\u3069\u3092Teleport\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u3057\u3066\u767b\u9332\u3059\u308b\u3053\u3068\u3067\u3001Teleport\u3092\u7d4c\u7531\u3057\u3066\u3001\u305d\u308c\u3089\u306b\u5b89\u5168\u306b\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u8ab0\u304c\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u304b\u3092\u8a18\u9332\u3059\u308bAudit\u30ed\u30b0\u3084\u30ea\u30bd\u30fc\u30b9\u4e0a\u3067\u3069\u306e\u3088\u3046\u306a\u64cd\u4f5c\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u8a18\u9332\u3059\u308b\u30bb\u30c3\u30b7\u30e7\u30f3\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3068\u3044\u3063\u305f\u76e3\u67fb\u306e\u305f\u3081\u306e\u6a5f\u80fd\u3082\u5145\u5b9f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30a4\u30dc\u30a6\u30ba\u3067\u306f\u4e3b\u306b\u4ee5\u4e0b\u306e\u7528\u9014\u3067\u3001\u3053\u306eZero Trust Access\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>Kubernetes\u30af\u30e9\u30b9\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u7ba1\u7406<\/li>\n<li>Kubernetes\u30af\u30e9\u30b9\u30bf\u3078\u306e\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u63d0\u4f9b<\/li>\n<\/ol>\n<p>1\u306e\u30a2\u30af\u30bb\u30b9\u7ba1\u7406\u306b\u3064\u3044\u3066\u306f\u4ee5\u524d\u306e\u8a18\u4e8b\u3067\u6982\u8981\u3092\u8aac\u660e\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3088\u3051\u308c\u3070\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<br \/><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fblog.cybozu.io%2Fentry%2F2019%2F07%2F31%2F100000\" title=\"Teleport\u3067Kubernetes\u30af\u30e9\u30b9\u30bf\u3078\u306e\u30e6\u30fc\u30b6\u30fc\u30a2\u30af\u30bb\u30b9\u3092\u7ba1\u7406\u3059\u308b - Cybozu Inside Out | \u30b5\u30a4\u30dc\u30a6\u30ba\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><cite class=\"hatena-citation\"><a target=\"_blank\" href=\"https:\/\/blog.cybozu.io\/entry\/2019\/07\/31\/100000\">blog.cybozu.io<\/a><\/cite><\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f2\u306e\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u63d0\u4f9b\u3068\u305d\u308c\u306b\u4f34\u3063\u3066\u767a\u751f\u3057\u305f\u8ab2\u984c\u3092\u3069\u306e\u3088\u3046\u306b\u89e3\u6c7a\u3057\u305f\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"Kubernetes\u30af\u30e9\u30b9\u30bf\u3078\u306e\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u63d0\u4f9b\">Kubernetes\u30af\u30e9\u30b9\u30bf\u3078\u306e\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u63d0\u4f9b<\/h2>\n<p>\u30b5\u30a4\u30dc\u30a6\u30ba\u306eKubernetes\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u5229\u7528\u8005\u5411\u3051\u306b\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306fKubernetes\u306ePod\u3068\u3057\u3066\u30c7\u30d7\u30ed\u30a4\u3057\u3066\u304a\u308a\u3001\u5229\u7528\u8005\u306fTeleport\u3092\u4ecb\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3068\u3001Kubernetes\u30af\u30e9\u30b9\u30bf\u5185\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u983b\u7e41\u306b\u4f7f\u7528\u3059\u308b\u30c4\u30fc\u30eb\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\n<ul>\n<li>\u4f7f\u7528\u3057\u305f\u3044\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3092\u6574\u5099\u3057\u3066\u3044\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<li>\u9694\u96e2\u3055\u308c\u305f\u74b0\u5883\u3067\u5b89\u5168\u306b\u5229\u7528\u3067\u304d\u308b\n<ul>\n<li>\u5229\u7528\u30c1\u30fc\u30e0\u3054\u3068\u306b\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3092\u7528\u610f\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u30b5\u30fc\u30d0\u30fc\u3067Kubernetes\u306eRBAC\u3092\u5229\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059<\/li>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3092\u4e00\u90e8\u5236\u9650\u3057\u3066\u3044\u307e\u3059<\/li>\n<li>\u524d\u8ff0\u306e\u4ed5\u7d44\u307f\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u627f\u8a8d\u3055\u308c\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30c4\u30fc\u30eb\u306e\u307f\u4f7f\u7528\u3067\u304d\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<li>SSH\u306e\u9375\u7ba1\u7406\u304c\u4e0d\u8981\n<ul>\n<li>\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3078\u306fSSH\u3067\u63a5\u7d9a\u3057\u307e\u3059\u304c\u3001Teleport\u3078\u306e\u30b7\u30f3\u30b0\u30eb\u30b5\u30a4\u30f3\u30aa\u30f3\u3067\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u884c\u3046\u306e\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u3054\u3068\u306e\u9375\u7ba1\u7406\u306f\u4e0d\u8981\u3067\u3059<\/li>\n<\/ul>\n<\/li>\n<li>\u30d6\u30e9\u30a6\u30b6\u3060\u3051\u3067\u5b8c\u7d50\u3059\u308b\n<ul>\n<li>Teleport\u3092\u7d4c\u7531\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306b\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u307e\u3059<sup id=\"fnref:1\"><a target=\"_blank\" href=\"#fn:1\" rel=\"footnote\">1<\/a><\/sup><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u69cb\u6210\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/c\/cybozuinsideout\/20251016\/20251016113007.png\" alt=\"\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3068\u3001Kubernetes\u30af\u30e9\u30b9\u30bf\u5185\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\" width=\"800\" height=\"476\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u69cb\u6210<\/figcaption><\/figure>\n<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u8005\u306b\u306f\u65e5\u3005\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u4fbf\u5229\u306b\u4f7f\u3063\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u4e00\u65b9\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306ePod\u304c\u524a\u9664\u3055\u308c\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u4e2d\u65ad\u3059\u308b\u3068\u3044\u3046\u8ab2\u984c\u3082\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<ol>\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u4f34\u3046Kubernetes\u30ce\u30fc\u30c9\u306e\u518d\u8d77\u52d5\u306b\u3088\u3063\u3066Pod\u304c\u524a\u9664\u30fb\u518d\u4f5c\u6210\u3055\u308c\u308b<\/li>\n<li>\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fcPod\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u306e\u66f4\u65b0\u306b\u3088\u3063\u3066Pod\u304c\u524a\u9664\u30fb\u518d\u4f5c\u6210\u3055\u308c\u308b<\/li>\n<\/ol>\n<p>\u7279\u306b2\u306e\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u306f\u3001Teleport\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u66f4\u65b0\u3084\u30c4\u30fc\u30eb\u66f4\u65b0\u306e\u305f\u3081\u3001\u983b\u7e41\u306b\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n\u5229\u7528\u8005\u3078\u306e\u5f71\u97ff\u3092\u907f\u3051\u308b\u3088\u3046\u306b\u66f4\u65b0\u3092\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u304b\u306a\u308a\u624b\u9593\u306e\u304b\u304b\u308b\u4f5c\u696d\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u3001login-protector\u3068\u3044\u3046Kubernetes\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3092\u958b\u767a\u3057\u3001\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002<br \/><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fgithub.com%2Fcybozu-go%2Flogin-protector\" title=\"GitHub - cybozu-go\/login-protector: login-protector provides a feature to prevent the reboot of Pods that are logged in within a Kubernetes cluster.\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><cite class=\"hatena-citation\"><a target=\"_blank\" href=\"https:\/\/github.com\/cybozu-go\/login-protector\">github.com<\/a><\/cite><\/p>\n<h2 id=\"\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u4e2d\u65ad\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\">\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u4e2d\u65ad\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0<\/h2>\n<p>login-protector\u306e\u8a73\u3057\u3044\u7d39\u4ecb\u306e\u524d\u306b\u3001\u6211\u3005\u304c\u76f4\u9762\u3057\u305f\u8ab2\u984c\u306b\u3064\u3044\u3066\u8a73\u7d30\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306ePod\u304c\u6d88\u5931\u3057\u3001\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u4e2d\u65ad\u3059\u308b\u306e\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a<a target=\"_blank\" href=\"https:\/\/kubernetes.io\/docs\/concepts\/workloads\/pods\/disruptions\/\">\u4e2d\u65ad(disruptions)<\/a>\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>Involuntary disruptions<\/strong>: \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u6545\u969c\u3084\u30ab\u30fc\u30cd\u30eb\u30d1\u30cb\u30c3\u30af\u306a\u3069\u56de\u907f\u3067\u304d\u306a\u3044\u3082\u306e<\/li>\n<li><strong>Voluntary disruptions<\/strong>: Involuntary disruptions\u306b\u8a72\u5f53\u3057\u306a\u3044\u3082\u306e(\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30aa\u30fc\u30ca\u30fc\u3084\u30af\u30e9\u30b9\u30bf\u7ba1\u7406\u8005\u304c\u884c\u3046\u64cd\u4f5c\u306b\u3088\u308b\u3082\u306e\u3092\u542b\u3080)<\/li>\n<\/ul>\n<p>Involuntary disruptions\u306f\u30a4\u30e1\u30fc\u30b8\u3057\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001Voluntary disruptions\u306b\u306f\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<h3 id=\"Voluntary-disruptions\u306e\u4f8b\">Voluntary disruptions\u306e\u4f8b<\/h3>\n<p>Voluntary disruptions\u306e\u4f8b\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol type=\"a\">\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u305f\u3081\u306eKubernetes\u30ce\u30fc\u30c9\u306eDrain<\/li>\n<li>Deployment\u3084StatefulSet\u306ePodTemplate(<code>.spec.template<\/code>)\u306e\u66f4\u65b0<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u306b\u3088\u308bPod\u306e\u524a\u9664(\u64cd\u4f5c\u30df\u30b9\u306b\u3088\u308b\u3082\u306e\u3082\u542b\u3080)<\/li>\n<\/ol>\n<p>\u6211\u3005\u304c\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3067\u76f4\u9762\u3057\u3066\u3044\u305f\u8ab2\u984c\u304c\u307e\u3055\u306b\u4e0a\u8a18\u306e a, b \u306b\u3042\u305f\u308b\u3082\u306e\u3067\u3057\u305f\u3002<br \/>\nInvoluntary disruptions\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u4e0a\u8a18\u306eVoluntary disruptions\u306e\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>Drain\u306b\u3088\u308bPod\u524a\u9664\u306e\u56de\u907f: PodDisruptionBudget(PDB)\u3092\u5229\u7528\u3057\u305fPod\u306e\u4fdd\u8b77<\/li>\n<li>PodTemplate\u66f4\u65b0\u306b\u3088\u308bPod\u524a\u9664\u306e\u56de\u907f: updateStrategy <code>OnDelete<\/code> \u306e\u5229\u7528<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u306b\u3088\u308bPod\u524a\u9664\u306e\u56de\u907f: Validating Webhook\u306e\u5229\u7528<\/li>\n<\/ol>\n<p>login-protector\u306f1, 2\u306e\u65b9\u6cd5\u3092\u5229\u7528\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3067\u6211\u3005\u304c\u76f4\u9762\u3057\u3066\u3044\u305f\u8ab2\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"Drain\u306b\u3088\u308bPod\u524a\u9664\u306e\u56de\u907f-PodDisruptionBudgetPDB\u3092\u5229\u7528\u3057\u305fPod\u306e\u4fdd\u8b77\">Drain\u306b\u3088\u308bPod\u524a\u9664\u306e\u56de\u907f: PodDisruptionBudget(PDB)\u3092\u5229\u7528\u3057\u305fPod\u306e\u4fdd\u8b77<\/h2>\n<p>\u30b5\u30fc\u30d0\u30fc\u306e\u4fee\u7406\u3084\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306a\u3069\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u305f\u3081\u306bKubernetes\u30ce\u30fc\u30c9\u3092\u518d\u8d77\u52d5\u3059\u308b\u969b\u3001\u4e8b\u524d\u306b<code>kubectl node drain<\/code>\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\nDrain\u306b\u3088\u3063\u3066Pod\u306eEviction(\u9000\u907f)\u304c\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u7a3c\u50cd\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u6291\u3048\u306a\u304c\u3089\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u5b9f\u65bd\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306ePod\u306eEviction\u306b\u3088\u3063\u3066\u3001Pod\u306e\u524a\u9664\u30fb\u518d\u4f5c\u6210\u304c\u767a\u751f\u3057\u307e\u3059\u304c\u3001\u3053\u3061\u3089\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306bPodDisruptionBudget(PDB)\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>PDB\u306fvoluntary disruption\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u540c\u6642\u306b\u524a\u9664\u3055\u308c\u308bPod\u306e\u6570\u3092<code>maxUnavailable<\/code>\u3084<code>minAvailable<\/code>\u3068\u3044\u3063\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u5236\u9650\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u3063\u3066voluntary disruption\u304c\u767a\u751f\u3057\u305f\u969b\u3082\u3001\u3059\u3079\u3066\u306ePod\u304c\u524a\u9664\u3055\u308c\u30b5\u30fc\u30d3\u30b9\u65ad\u304c\u767a\u751f\u3059\u308b\u3068\u3044\u3063\u305f\u4e8b\u614b\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u540c\u6642\u306b\u524a\u9664\u3055\u308c\u308bPod\u306e\u6570\u30920(<code>maxUnavailable: 0<\/code>)\u306b\u5236\u9650\u3059\u308bPDB\u3092\u4f5c\u6210\u3057\u3066<code>kubectl node drain<\/code>\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n<pre class=\"code console\" data-lang=\"console\" data-unlink=\"\">\u276f kubectl get pod -owide -ntest\nNAME     READY   STATUS    RESTARTS   AGE   IP           NODE           NOMINATED NODE   READINESS GATES\ntest-0   1\/1     Running   0          9s    10.244.2.2   kind-worker2   <none>           <none>\n\n\u276f kubectl get pdb -ntest\nNAME   MIN AVAILABLE   MAX UNAVAILABLE   ALLOWED DISRUPTIONS   AGE\ntest   N\/A             0                 0                     28s\n\n\u276f kubectl drain kind-worker2 --ignore-daemonsets\nnode\/kind-worker2 cordoned\nWarning: ignoring DaemonSet-managed Pods: kube-system\/kindnet-szj7t, kube-system\/kube-proxy-7zsfn\nevicting pod test\/test-0\nerror when evicting pods\/\"test-0\" -n \"test\" (will retry after 5s): Cannot evict pod as it would violate the pod's disruption budget.\nevicting pod test\/test-0\nerror when evicting pods\/\"test-0\" -n \"test\" (will retry after 5s): Cannot evict pod as it would violate the pod's disruption budget.\nevicting pod test\/test-0\n[...]<\/none><\/none><\/pre>\n<p>Pod\u306eEviction\u304c\u5931\u6557\u3059\u308b\u305f\u3081Drain\u304c\u5b8c\u4e86\u3057\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>login-protector\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u6cc1\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u30b5\u30a4\u30c9\u30ab\u30fc\u30b3\u30f3\u30c6\u30ca\u3092\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306ePod\u306b\u8ffd\u52a0\u3057\u3066\u304a\u304d\u307e\u3059\u3002<br \/>\u203b \u30ed\u30b0\u30a4\u30f3\u72b6\u6cc1\u306f\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u306bTTY\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308b\u304b\u3092local-session-tracker\u3068\u3044\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>login-protector\u306f\u5b9a\u671f\u7684\u306b\u30b5\u30a4\u30c9\u30ab\u30fc\u30b3\u30f3\u30c6\u30ca\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<br \/>\n\u3082\u3057\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u306f<code>maxUnavailable: 0<\/code>\u306ePDB\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066Eviction\u306b\u3088\u308bPod\u306e\u524a\u9664\u304c\u3067\u304d\u306a\u304f\u306a\u308b\u305f\u3081\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3092Drain\u304b\u3089\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002<br \/>\n\u305f\u3060\u3057\u3053\u306e\u72b6\u614b\u3067\u306f\u30ce\u30fc\u30c9\u306eDrain\u304c\u5b8c\u4e86\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u305f\u3081\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a2\u30a6\u30c8\u3057\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067PDB\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"login-protector\u304c\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fcPod\u3092\u4fdd\u8b77\u3059\u308b\u969b\u306e\u52d5\u4f5c\u6982\u8981\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/c\/cybozuinsideout\/20251016\/20251016113010.png\" alt=\"\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u306f`maxUnavailable: 0`\u306ePDB\u3092\u4f5c\u6210\u3057\u3066\u3001\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3092Drain\u304b\u3089\u4fdd\u8b77\u3059\u308b\" width=\"800\" height=\"492\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>login-protector\u304c\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fcPod\u3092\u4fdd\u8b77\u3059\u308b\u969b\u306e\u52d5\u4f5c\u6982\u8981<\/figcaption><\/figure>\n<\/p>\n<p>\u3053\u306e\u3088\u3046\u306bPDB\u3092\u5229\u7528\u3057\u3066Pod\u524a\u9664\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u9593\u306bDrain\u304c\u5b9f\u65bd\u3055\u308c\u3066\u3082\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 id=\"PodTemplate\u66f4\u65b0\u306b\u3088\u308bPod\u524a\u9664\u306e\u56de\u907f-updateStrategy-OnDelete-\u306e\u5229\u7528\">PodTemplate\u66f4\u65b0\u306b\u3088\u308bPod\u524a\u9664\u306e\u56de\u907f: updateStrategy <code>OnDelete<\/code> \u306e\u5229\u7528<\/h2>\n<p>\u6b21\u306bPodTemplate\u66f4\u65b0\u306b\u3088\u308bPod\u524a\u9664\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>Deployment\u3084Statefulset\u3067\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u5909\u66f4\u3057\u305f\u3044\u5834\u5408\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5909\u66f4\u3057\u305f\u3044\u5834\u5408\u3001\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306ePodTemplate(<code>.spec.template<\/code>)\u3092\u5909\u66f4\u3057\u307e\u3059\u3002\u5909\u66f4\u306b\u3088\u3063\u3066\u30ed\u30fc\u30ea\u30f3\u30b0\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u304c\u958b\u59cb\u3055\u308c\u81ea\u52d5\u7684\u306bPod\u306e\u524a\u9664\u30fb\u518d\u4f5c\u6210\u304c\u884c\u308f\u308c\u5909\u66f4\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306ePodTemplate\u306e\u66f4\u65b0\u306b\u3088\u308bPod\u306e\u524a\u9664\u30fb\u518d\u4f5c\u6210\u306fPDB\u3067\u56de\u907f\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\nDeployment\u3084StatefulSet\u3067\u306e\u30ed\u30fc\u30ea\u30f3\u30b0\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306fPDB\u306e\u5236\u9650\u3092\u53d7\u3051\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001login-protector\u3067\u306fStatefulSet\u306e<a target=\"_blank\" href=\"https:\/\/kubernetes.io\/docs\/concepts\/workloads\/controllers\/statefulset\/#update-strategies\">updateStrategy<\/a>\u3067\u3042\u308b<code>OnDelete<\/code>\u306e\u4ed5\u7d44\u307f\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nupdateStrategy\u3068\u3057\u3066<code>OnDelete<\/code>\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001PodTemplate\u3092\u66f4\u65b0\u3057\u3066\u3082\u3001Pod\u306f\u81ea\u52d5\u3067\u518d\u4f5c\u6210\u3055\u308c\u307e\u305b\u3093\u3002\u3067\u306f\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u518d\u4f5c\u6210\u3055\u308c\u308b\u304b\u3068\u3044\u3046\u3068Pod\u3092\u624b\u52d5\u3067\u524a\u9664\u3057\u305f\u6642\u3067\u3059\u3002<\/p>\n<p>\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306ePod\u3092\u7ba1\u7406\u3059\u308bStatefulSet\u3067\u306fupdateStrategy\u3068\u3057\u3066<code>OnDelete<\/code>\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304d\u307e\u3059\u3002<br \/>\n\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u306a\u3069\u3067PodTemplate\u304c\u66f4\u65b0\u3055\u308c\u3066\u3082\u81ea\u52d5\u3067Pod\u306e\u524a\u9664\u30fb\u518d\u4f5c\u6210\u304c\u884c\u308f\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3060\u3057\u3053\u306e\u307e\u307e\u3067\u306fPod\u304c\u53e4\u3044\u72b6\u614b\u306e\u307e\u307e\u3067\u3059\u3002\u305d\u3053\u3067login-protector\u306f\u5bfe\u8c61\u306eStatefulSet\u306ePodTemplate\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3001\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306fPod\u306e\u524a\u9664\u3092\u8a66\u307f\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30c1\u30a7\u30c3\u30af\u3067\u306f\u3001StatefulSet\u306e<code>.status.updateRevision<\/code>\u3068\u3001Pod\u306b\u4ed8\u4e0e\u3055\u308c\u305f<code>.metadata.labels.controller-revision-hash<\/code>\u3092\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3089\u306e\u5024\u304c\u4e00\u81f4\u3057\u3066\u3044\u306a\u3051\u308c\u3070PodTemplate\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u3068\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306bupdateStrategy\u3068\u3057\u3066<code>OnDelete<\/code>\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u3092\u884c\u3046\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6319\u52d5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"code console\" data-lang=\"console\" data-unlink=\"\"># `OnDelete`\u3067StatefulSet\u3092\u4f5c\u6210\n\u276f kubectl -n test get sts test -oyaml | yq .spec.updateStrategy.type\nOnDelete\n\n# ubuntu 22.04\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u4f7f\u7528\n\u276f kubectl -n test get pod test-0 -oyaml | yq '.spec.containers[] | select(.name=\"ubuntu\") | .image'\nghcr.io\/cybozu\/ubuntu:22.04\n\n# '.status.updateRevision'\u3068'.metadata.labels.controller-revision-hash'\u306f\u4e00\u81f4\n\u276f kubectl -n test get sts test -oyaml | yq '.status.updateRevision'\ntest-568478c75b\n\n\u276f kubectl -n test get pod test-0 -oyaml | yq '.metadata.labels.controller-revision-hash'\ntest-568478c75b\n\n# ubuntu 24.04\u30a4\u30e1\u30fc\u30b8\u306b\u66f4\u65b0\n\u276f kubectl -n test set image sts\/test ubuntu=ghcr.io\/cybozu\/ubuntu:24.04\nstatefulset.apps\/test image updated\n\n# '.status.updateRevision'\u3068'.metadata.labels.controller-revision-hash'\u304c\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u306e\u3067PodTemplate\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u3068\u5224\u65ad\u3067\u304d\u308b\n\u276f kubectl -n test get sts test -oyaml | yq '.status.updateRevision'\ntest-7f768b7b4b\n\n\u276f kubectl -n test get pod test-0 -oyaml | yq '.metadata.labels.controller-revision-hash'\ntest-568478c75b\n\n# Pod\u306f\u518d\u4f5c\u6210\u3055\u308c\u3066\u3044\u306a\u3044\n\u276f kubectl -n test get pod test-0 -oyaml | yq '.spec.containers[] | select(.name=\"ubuntu\") | .image'\nghcr.io\/cybozu\/ubuntu:22.04\n\n# Pod\u3092\u524a\u9664\u3059\u308b\n\u276f kubectl -n test delete pod test-0\npod \"test-0\" deleted\n\n# '.status.updateRevision'\u3068'.metadata.labels.controller-revision-hash'\u304c\u4e00\u81f4\u3057\u3001\u30a4\u30e1\u30fc\u30b8\u3082\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\n\u276f kubectl -n test get pod test-0 -oyaml | yq '.metadata.labels.controller-revision-hash'\ntest-7f768b7b4b\n\n\u276f kubectl -n test get pod test-0 -oyaml | yq '.spec.containers[] | select(.name=\"ubuntu\") | .image'\nghcr.io\/cybozu\/ubuntu:24.04<\/pre>\n<p>\u3082\u3057PodTemplate\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001login-protector\u304c\u5bfe\u8c61Pod\u306b\u5bfe\u3057\u3066Eviction API\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002Eviction API\u306b\u3088\u3063\u3066Pod\u304c\u524a\u9664\u3055\u308c\u308b\u3068\u3001Pod\u306e\u518d\u4f5c\u6210\u6642\u306b\u66f4\u65b0\u5f8c\u306ePodTemplate\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001Eviction API\u306fPDB\u3092\u8003\u616e\u3057\u3001PDB\u306e\u6761\u4ef6\u3092\u6e80\u305f\u305b\u306a\u3044\u5834\u5408\u306f\u30a8\u30e9\u30fc\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002PodTemplate\u304c\u66f4\u65b0\u3055\u308c\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u3068\u524d\u8ff0\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308aPDB\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001Eviction API\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u9593\u306fPodTemplate\u306e\u66f4\u65b0\u306f\u4fdd\u7559\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u4e2d\u306b\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u4f5c\u696d\u3092\u884c\u3063\u3066\u3082\u3001\u5b9f\u969b\u306e\u9069\u7528\u306f\u30ed\u30b0\u30a2\u30a6\u30c8\u3059\u308b\u307e\u3067\u4fdd\u7559\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3053\u3046\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u304b\u3089\u3082\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 id=\"login-protector\u5c0e\u5165\u5f8c\u306e\u72b6\u6cc1\">login-protector\u5c0e\u5165\u5f8c\u306e\u72b6\u6cc1<\/h2>\n<p>login-protector\u3092\u5c0e\u5165\u3057\u305f\u3053\u3068\u3067\u30ce\u30fc\u30c9\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3084\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\nKubernetes\u306e\u6a19\u6e96\u7684\u306a\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u5b9f\u88c5\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u4eca\u306e\u3068\u3053\u308d\u5b9a\u671f\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u306e\u66f4\u65b0\u306e\u307f\u3067\u904b\u7528\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u30ed\u30b0\u30a4\u30f3\u4e2d\u306f\u30ce\u30fc\u30c9\u306e\u518d\u8d77\u52d5\u3084\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u5fc5\u8981\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u6ede\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3044\u3046\u61f8\u5ff5\u3082\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\n\u3053\u306e\u70b9\u306b\u3064\u3044\u3066\u306f\u3001PDB\u306e\u4f5c\u6210\u6642\u523b\u3092\u3082\u3068\u306b\u9577\u6642\u9593\u306e\u30ed\u30b0\u30a4\u30f3\u3092\u691c\u51fa\u3057\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30e6\u30fc\u30b6\u30fc\u306b\u30ed\u30b0\u30a2\u30a6\u30c8\u3092\u4fc3\u3059\u904b\u7528\u3068\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u610f\u56f3\u305b\u305a\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u307e\u307e\u306b\u306a\u3063\u3066\u3044\u308b\u72b6\u614b\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u9577\u6642\u9593\u64cd\u4f5c\u304c\u306a\u3044\u5834\u5408\u306f\u81ea\u52d5\u7684\u306b\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30ed\u30b0\u30a2\u30a6\u30c8\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c\u3010\u9023\u8f09\u3011\u30b5\u30a4\u30dc\u30a6\u30ba\u306eKubernetes\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u652f\u3048\u308bOSS\u300d\u306e\u7b2c2\u56de\u76ee\u3068\u3057\u3066\u3001Teleport\u306b\u3088\u308b\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u306e\u63d0\u4f9b\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<br \/>\n\u30ce\u30fc\u30c9\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3084Pod\u306e\u30a4\u30e1\u30fc\u30b8\u66f4\u65b0\u3067\u8e0f\u307f\u53f0\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u304c\u5207\u65ad\u3057\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u8ab2\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u3092Kubernetes\u306e\u6a19\u6e96\u7684\u306a\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3057\u305flogin-protector\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u6b21\u56de\u306e\u7b2c3\u56de\u76ee\u3067\u306fAccurate\u306b\u3088\u308bNamespace\u7ba1\u7406\u306e\u30bb\u30eb\u30d5\u30b5\u30fc\u30d3\u30b9\u5316\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u6b21\u56de\u306e\u8a18\u4e8b\u3082\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n<p><script>(function(d, s, id) {\n  var js, fjs = d.getElementsByTagName(s)[0];\n  if (d.getElementById(id)) return;\n  js = 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