{"id":18923,"date":"2018-12-09T09:00:39","date_gmt":"2018-12-09T00:00:39","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=18923"},"modified":"2018-12-13T14:25:14","modified_gmt":"2018-12-13T05:25:14","slug":"try-kubectl-plugin","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2018\/12\/09\/try-kubectl-plugin\/","title":{"rendered":"kubectl plugin \u3092\u8a66\u3057\u3066\u307f\u308b"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3002\u677e\u6d66\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u306f TECHSCORE Advent Calendar 2018<\/a> \u306e9\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n

2018\u5e74\u306e\u6280\u8853\u30c8\u30ec\u30f3\u30c9\u3068\u3057\u3066\u3001 Kubernetes \u304c\u5927\u304d\u306a\u76db\u308a\u4e0a\u304c\u308a\u3092\u898b\u305b\u305f\u3053\u3068\u306b\u3064\u3044\u3066\u7570\u8ad6\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002
\nTECHSCORE \u3092\u904b\u55b6\u3059\u308b SynergyMarketing \u3067\u3082\u3001 Kubernetes \u306e\u904b\u7528\u3092\u9032\u3081\u3066\u304a\u308a\u3001\u3044\u304f\u3064\u304b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u305d\u306e\u4e0a\u3067\u52d5\u304d\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

Kubernetes \u4e0a\u3067\u52d5\u304f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u30fb\u904b\u7528\u3059\u308b\u969b\u306b\u306f\u3001kubectl \u3092\u3057\u3070\u3057\u3070\u4f7f\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002
\nkubectl \u306b\u306f\u69d8\u3005\u306a\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u304b\u3086\u3044\u3068\u3053\u308d\u306b\u624b\u304c\u5c4a\u304b\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
\n\u305d\u306e\u3088\u3046\u306a\u6642\u306e\u305f\u3081\u306b\u3082\u3001kubectl \u306b\u306f\u6a5f\u80fd\u62e1\u5f35\u3092\u884c\u3046\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\n\u4eca\u56de\u306f\u3001\u305d\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u3092\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n

\u524d\u63d0<\/h2>\n

\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u81ea\u4f53\u306f kubectl 1.8 \u3088\u308a alpha \u7248\u306e\u6a5f\u80fd\u3068\u3057\u3066\u516c\u5f0f\u306b\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002
\n\u3057\u304b\u3057 kubectl 1.12 \u306b\u3066\u3001\u305d\u308c\u307e\u3067\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u304c\u5ec3\u6b62\u3055\u308c\u3001\u65b0\u305f\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u304c\u63d0\u4f9b\u3055\u308c\u308b\u3053\u3068\u3068\u306a\u308a\u307e\u3057\u305f\u3002
\n\uff08kubectl 1.12 \u3067 alpha \u3068\u3057\u3066\u53d6\u308a\u5165\u308c\u3089\u308c\u30011.13 \u3067 beta \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n

\u4ee5\u4e0b\u306e\u5185\u5bb9\u306f\u3001\u65b0\u3057\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306b\u3064\u3044\u3066\u306e\u3082\u306e\u3068\u306a\u308a\u307e\u3059\u3002
\n\u306a\u304a\u3001\u4ee5\u4e0b\u3067\u306f kubectl 1.13.0 \u3092\u7528\u3044\u3066\u3044\u307e\u3059\u3002 kubectl \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u306b\u3088\u308a\u6319\u52d5\u304c\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n

kubectl plugin \u3092\u8a66\u3057\u3066\u307f\u308b<\/h2>\n

\u5358\u7d14\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f5c\u3063\u3066\u307f\u308b<\/h3>\n

\u3067\u306f\u3001\u307e\u305a\u306f\u5358\u7d14\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f5c\u3063\u3066\u307f\u3066\u3001\u3069\u306e\u3088\u3046\u306b\u52d5\u304f\u306e\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002
\nkubectl \u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u3067\u306f\u3001 PATH \u4e0a\u306e kubectl-<\/code> \u3067\u59cb\u307e\u308b\u5b9f\u884c\u53ef\u80fd\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u3057\u3066\u8a8d\u8b58\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u4f8b\u3048\u3070 kubectl-hello-world \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c PATH \u4e0a\u306b\u3042\u308b\u5834\u5408\u306f\u3001 kubectl hello world<\/code> \u304c\u5b9f\u884c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\n\u4e0b\u8a18\u306e\u3088\u3046\u306a\u5358\u7d14\u306a\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092 kubectl-hello-world \u3068\u3044\u3046\u540d\u524d\u3067\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

#!\/bin\/bash\necho 'Hello, world!'<\/pre>\n

\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5b9f\u884c\u6a29\u9650\u3092\u4ed8\u4e0e\u3057\u3001PATH \u4e0a\u306b\u79fb\u52d5\u3055\u305b\u307e\u3059\u3002
\n\u4f7f\u7528\u53ef\u80fd\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4e00\u89a7\u306f kubectl plugin list<\/code> \u3067\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3067\u3001\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

$ sudo chmod +x .\/kubectl-hello-world && sudo mv .\/kubectl-hello-world \/usr\/local\/bin\n\n$ kubectl plugin list\nThe following kubectl-compatible plugins are available:\n\n\/usr\/local\/bin\/kubectl-hello-world\n\n$\u3000kubectl hello world\nHello, world!<\/pre>\n

kubectl-hello-world \u304c\u691c\u51fa\u3055\u308c\u3001 kubectl hello world<\/code> \u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n

\u3088\u308a\u8907\u96d1\u306a\u3053\u3068\u3092\u8a66\u3057\u3066\u307f\u308b<\/h3>\n

\u4e0a\u8a18\u3067\u306f\u3001\u3054\u304f\u3054\u304f\u5358\u7d14\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f5c\u3063\u3066\u3001\u305d\u306e\u52d5\u304d\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002
\n\u4ee5\u4e0b\u3067\u306f\u3001\u3082\u3046\u5c11\u3057\u8907\u96d1\u306a\u3053\u3068\u3092\u8a66\u3057\u3064\u3064\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306e\u8a73\u7d30\u306a\u4ed5\u69d8\u3082\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

kubectl hello-world \u3092\u5b9f\u884c\u3059\u308b<\/h4>\n

\u4e0a\u8a18\u306e\u4f8b\u3067\u898b\u305f\u3088\u3046\u306b\u3001 kubectl \u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u3067\u306f\u3001\u30c0\u30c3\u30b7\u30e5(-)\u3092\u533a\u5207\u308a\u6587\u5b57\u3068\u3057\u3066\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002
\n\u305f\u3060\u3001kubectl-<\/code> \u4ee5\u964d\u306f\u30c0\u30c3\u30b7\u30e5\u306e\u4ee3\u308f\u308a\u306b\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2(_)\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u3001\u305d\u306e\u5834\u5408\u306f\u547c\u3073\u51fa\u3057\u65b9\u304c\u5c11\u3057\u5909\u308f\u308a\u307e\u3059\u3002
\n\u4f8b\u3048\u3070\u3001 kubectl-hello_world \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u3092 PATH \u4e0a\u306b\u7f6e\u304f\u3068\u3001kubectl hello-world<\/code> \u304c\u5b9f\u884c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002
\n\uff08kubectl hello_world<\/code> \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u3082\u5b9f\u884c\u53ef\u80fd\u3067\u3059\uff09<\/p>\n

$ sudo mv \/usr\/local\/bin\/kubectl-hello-world \/usr\/local\/bin\/kubectl-hello_world\n\n$ kubectl hello-world\nHello, world!\n\n$ kubectl hello_world\nHello, world!<\/pre>\n

\u30c0\u30c3\u30b7\u30e5\u3067\u3064\u306a\u304c\u3063\u305f\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u3092\u4f5c\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u308c\u3092\u5229\u7528\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

kubectl hello world version \u3092\u5b9f\u884c\u3059\u308b<\/h4>\n

\u3088\u308a\u5b9f\u7528\u7684\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3059\u308b\u4e0a\u3067\u306f\u3001\u5f15\u6570\u3084\u30d5\u30e9\u30b0\u3092\u53d7\u3051\u53d6\u3063\u3066\u51e6\u7406\u3059\u308b\u3053\u3068\u3082\u5fc5\u8981\u3068\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002
\n\u305d\u3053\u3067\u3001\u5f15\u6570\u306a\u3069\u304c\u3069\u306e\u3088\u3046\u306b\u6e21\u3063\u3066\u304f\u308b\u304b\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\n\u4e0a\u8a18\u3067\u4f5c\u6210\u3057\u305f kubectl-hello-world \u3092\u4fee\u6b63\u3057\u3066\u3001 version \u3068\u3044\u3046\u6587\u5b57\u5217\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306b\u6319\u52d5\u304c\u5909\u308f\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n

#!\/bin\/bash\n\nif [[ \"$1\" == \"version\" ]]\nthen\n    echo \"1.0.0\"\n    exit 0\nfi\n\necho 'Hello, world!'<\/pre>\n

\u3053\u306e\u72b6\u614b\u3067 kubectl hello world version<\/code> \u3092\u5b9f\u884c\u3057\u3066\u307f\u308b\u3068\u3001 1.0.0 \u3068\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n

$ kubectl hello world version\n1.0.0<\/pre>\n

\u3053\u306e\u3088\u3046\u306b\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306b\u3088\u3063\u3066\u8ffd\u52a0\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u4ee5\u964d\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u6587\u5b57\u5217\u306b\u3064\u3044\u3066\u306f\u3001\u305d\u306e\u307e\u307e\u6e21\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3068\u3053\u308d\u3067\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092 kubectl-hello-world-version \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

#!\/bin\/bash\necho 'I am kubectl-hello-world-version.'<\/pre>\n

\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5b9f\u884c\u6a29\u9650\u3092\u4e0e\u3048\u3066 PATH \u4e0a\u306b\u7f6e\u3044\u305f\u4e0a\u3067 kubectl hello world version<\/code> \u3092\u5b9f\u884c\u3057\u3066\u307f\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n

$ sudo chmod +x .\/kubectl-hello-world-version && sudo mv .\/kubectl-hello-world-version \/usr\/local\/bin\n\n$ kubectl hello world version\nI am kubectl-hello-world-version.<\/pre>\n

kubectl \u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u3067\u306f\u3001\u5b9f\u884c\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u306e\u8981\u7d20\u3092\u53ef\u80fd\u306a\u9650\u308a\u30c0\u30c3\u30b7\u30e5\u3067\u7d50\u5408\u3057\u305f\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u63a2\u7d22\u3092\u884c\u3044\u3001\u30de\u30c3\u30c1\u3059\u308b\u3082\u306e\u304c\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u4e00\u756a\u5f8c\u308d\u306e\u8981\u7d20\u3092\u7701\u3044\u305f\u3082\u306e\u3092\u63a2\u7d22\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\uff08\u4f8b\u3048\u3070 kubectl foo bar baz --flag=val qux<\/code> \u3092\u5b9f\u884c\u3057\u305f\u5834\u5408\u306f\u3001 kubectl-foo-bar-baz \u304b\u3089\u63a2\u7d22\u3092\u884c\u3044\u3001\u30de\u30c3\u30c1\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u304c\u306a\u3044\u5834\u5408\u306f kubectl-foo-bar \u306e\u63a2\u7d22\u3092\u884c\u3044\u307e\u3059\uff09<\/p>\n

\u4e0a\u8a18\u306e\u30b1\u30fc\u30b9\u3067\u306f kubectl-hello-world-version \u304c\u5148\u306b\u30de\u30c3\u30c1\u3059\u308b\u305f\u3081\u3001\u305d\u3061\u3089\u304c\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u3068\u306a\u308a\u307e\u3057\u305f\u3002
\n\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u306f\u3001\u5e38\u306b\u4e00\u65b9\u3057\u304b\u5b9f\u884c\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

kubectl create hello world \u306f\u5b9f\u884c\u3067\u304d\u306a\u3044<\/h4>\n

\u73fe\u884c\u306e kubectl \u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u3067\u306f\u3001\u65e2\u5b58\u306e kubectl \u306e\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002
\n\uff08\u3053\u306e\u5236\u9650\u306e\u305f\u3081\u306b\u3001\u65e2\u5b58\u306e\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u306b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\uff09
\n\u305d\u306e\u305f\u3081\u3001 PATH \u4e0a\u306b kubectl-version \u3084 kubectl-create-hello-world \u3068\u3044\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n

\u3061\u306a\u307f\u306b\u3001\u305d\u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001 kubectl plugin list<\/code> \u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u8b66\u544a\u304c\u51fa\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

$ sudo mv \/usr\/local\/bin\/kubectl-hello-world \/usr\/local\/bin\/kubectl-create-hello-world\n\n$ kubectl plugin list\nThe following kubectl-compatible plugins are available:\n\n\/usr\/local\/bin\/kubectl-create-hello-world\n  - warning: kubectl-create-hello-world overwrites existing command: \"kubectl create\"\n\nerror: one plugin warning was found<\/pre>\n

\u3042\u3068\u304c\u304d<\/h2>\n

\u3068\u3044\u3046\u3053\u3068\u3067\u3001kubectl \u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u3092\u4e00\u901a\u308a\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\n\u65b0\u305f\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u9020\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u624b\u3092\u51fa\u3057\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3059\u3002
\n\u8ffd\u52a0\u3057\u305f\u3044\u6a5f\u80fd\u304c\u3042\u308b\u5834\u5408\u306f\u8a66\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n

\u53c2\u8003<\/h2>\n