{"id":39442,"date":"2019-10-31T09:42:50","date_gmt":"2019-10-31T00:42:50","guid":{"rendered":"https:\/\/www.ospn.jp\/press\/?p=39442"},"modified":"2019-12-03T14:44:54","modified_gmt":"2019-12-03T05:44:54","slug":"no50-use-it-oss","status":"publish","type":"post","link":"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html","title":{"rendered":"\u300c\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u300d\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046<br>\uff08\u7b2c50\u56de\uff1aSubmarine.js\uff09"},"content":{"rendered":"<div id=\"doc\" class=\"markdown-body container-fluid\">\n<h1 id=\"Submarinejs\u8a95\u751f\u307e\u3067\u306e\u7269\u8a9e\">Submarine.js\u8a95\u751f\u307e\u3067\u306e\u7269\u8a9e<\/h1>\n<p>\u3053\u3093\u306a\u30b8\u30ec\u30f3\u30de\u306b\u9665\u3063\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b?<\/p>\n<pre><code>\u3053\u306ePlaybook\u3092\u5b9f\u884c\u3057\u3066\u3082\u3001\u3053\u306erole\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u308b\u306f\u305a\r\nAnsible\u306f\u51aa\u7b49\u6027\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u308b\u304b\u3089\u30011\u5ea6\u30b5\u30fc\u30d0\u306b\u9069\u7528\u3057\u305frole\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u308b\u306f\u305a\u306a\u3093\u3060\u2026\u2026\r\n\u3067\u3082\u3001\u672c\u5f53\u306b\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u308b\u3060\u308d\u3046\u304b?\r\n\u6016\u304f\u3066\u672c\u756a\u74b0\u5883\u3067\u8a66\u305b\u306a\u3044\r\n<\/code><\/pre>\n<pre><code>ShellScript\u306a\u3089\u4e00\u77ac\u3067\u66f8\u3051\u308b\u3001\u3067\u3082Ansible\u3067\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u304c\u5206\u304b\u3089\u306a\u3044\r\n\u304b\u3068\u3044\u3063\u3066ShellScript\u3092\u51aa\u7b49\u306b\u66f8\u3053\u3046\u3068\u3059\u308b\u3068if\u5730\u7344\u306b\u2026\u2026\r\nAnsible\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u591a\u3059\u304e\u3066\u6b32\u3057\u3044\u6a5f\u80fd\u304c\u898b\u3064\u304b\u3089\u306a\u3044\r\n\u3057\u304b\u3082\u30d0\u30fc\u30b8\u30e7\u30f3\u3054\u3068\u306b\u6319\u52d5\u3082\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u3082\u9055\u3046\u3060\u3068!?\r\nShell\u3067\u66f8\u304f\u3079\u304d\u304b\u3001Ansible\u306b\u8eab\u3092\u59d4\u306d\u308b\u3079\u304d\u304b\u2026\u2026\r\n<\/code><\/pre>\n<pre><code>\u3053\u306e\u30b5\u30fc\u30d0\u306f\u524d\u306b\u4f5c\u3063\u305f\u3053\u306erole\u3092\u5909\u6570\u3060\u3051\u5909\u3048\u3066\u518d\u5229\u7528\u3057\u3066\u2026\u2026\r\n\u3042\u308c? \u3053\u306e\u5909\u6570\u3082\u5fc5\u8981\u306a\u3093\u3060\u3063\u3051? \u3053\u306e\u5909\u6570\u3069\u3053\u3067\u4f7f\u308f\u308c\u3066\u308b\u3093\u3060?\r\n\u3048? \u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306b\u6761\u4ef6\u5206\u5c90\u3057\u3066\u3044\u308b?!\r\n\u306a\u308b\u307b\u3069\u5206\u304b\u3089\u3093\u3002\u3088\u3046\u30571\u304b\u3089\u4f5c\u308a\u76f4\u3057\u3060!\r\n<\/code><\/pre>\n<p>Ansible\u30923\u5e74\u9593\u5229\u7528\u3057\u305f\u79c1\u306f\u3001\u3053\u306e\u5168\u90e8\u3092\u7d4c\u9a13\u3057\u307e\u3057\u305f<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u4e8b\u614b\u306b\u9665\u308b\u539f\u56e0\u306e\u307b\u3068\u3093\u3069\u306f\u3001Ansible\u3092\u5229\u7528\u3059\u308b\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7d4c\u9a13\u304c\u4e4f\u3057\u3044\u305f\u3081\u306b\u3001\u7121\u8a08\u753b\u306b\u7121\u79e9\u5e8f\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u3064\u3065\u3051\u305f\u3053\u3068\u306b\u3088\u308b\u3082\u306e\u3067\u3059<\/p>\n<p>Ansible\u306fYAML\u8a18\u6cd5\u3092\u63a1\u7528\u3057\u3001\u8c4a\u5bcc\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u3001\u5358\u7d14\u306a\u6761\u4ef6\u5206\u5c90\u3068\u30eb\u30fc\u30d7\u306e\u307f\u306e\u3067\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u9806\u5e8f\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u7d4c\u9a13\u306e\u5c11\u306a\u3044\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u3068\u3063\u3064\u304d\u3084\u3059\u3044\u3088\u3046\u306a\u30c7\u30b6\u30a4\u30f3\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u3086\u3048\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u3057\u3066\u306f\u975e\u529b\u306a\u90e8\u5206\u3082\u591a\u304f\u3001\u6271\u3044\u65b9\u3092\u9593\u9055\u3048\u308b\u3068\u60b2\u60e8\u306a\u7d50\u679c\u3092\u62db\u304f\u3053\u3068\u306b\u306a\u308a\u307e\u3059<\/p>\n<p>\u6628\u4eca\u30b3\u30f3\u30c6\u30ca\u6280\u8853\u3084\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3001DevOps\u3084SRE\u3068\u3044\u3046\u65b0\u305f\u306a\u5206\u91ce\u306e\u6d41\u884c\u306b\u5f8c\u62bc\u3057\u3055\u308c\u3066\u3001\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3044\u3048\u3069\u3082\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30b9\u30ad\u30eb\u304c\u6c42\u3081\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059<\/p>\n<p>\u305d\u3046\u3044\u3063\u305f\u80cc\u666f\u304b\u3089\u3001\u73fe\u4ee3\u7684\u306a\u9ad8\u7d1a\u8a00\u8a9e\u306e\u7279\u5fb4\u3092\u6301\u3061\u3001\u3088\u308a\u5b89\u5168\u304b\u3064\u67d4\u8edf\u306a\u958b\u767a\u3092\u5b9f\u73fe\u3059\u308b\u3001\u65b0\u3057\u3044\u69cb\u6210\u7ba1\u7406\u30fb\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u3067\u3042\u308b<a href=\"https:\/\/gitlab.com\/mjusui\/submarine\" target=\"_blank\" rel=\"noopener\">Submarine.js<\/a>\u306f\u958b\u767a\u3055\u308c\u307e\u3057\u305f<\/p>\n<h1 id=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\">\u3053\u306e\u8a18\u4e8b\u3067\u306f<\/h1>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306fSubmarine.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u7c21\u5358\u306a\u5229\u7528\u65b9\u6cd5\u304b\u3089\u306f\u3058\u3081\u3001Submarine.js\u306e\u54f2\u5b66\u3001\u3055\u3089\u306b\u5fdc\u7528\u7de8\u3068\u3057\u3066\u3001KVM\u30b5\u30fc\u30d0\u306e\u30ea\u30bd\u30fc\u30b9\u72b6\u6cc1\u3092\u7ba1\u7406\u3057\u3066\u3001\u3042\u3044\u3066\u3044\u308bKVM\u306b\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u81ea\u52d5\u3067\u69cb\u7bc9\u3057\u3066\u304f\u308c\u308b\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059<\/p>\n<p>Submarine.js\u306e\u30d9\u30fc\u30b9\u3068\u306a\u308b\u6280\u8853\u3068\u3057\u3066JavaScript(Node.js)\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u3092\u53b3\u5bc6\u306b\u7406\u89e3\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u8a73\u7d30\u306b\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n<p>\u3061\u306a\u307f\u306bOpenStack\u306a\u3069\u306e\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3067\u5b9f\u73fe\u3067\u304d\u308b\u3053\u3068\u3092\u3001\u3042\u3048\u3066Submarine.js\u3067\u5b9f\u88c5\u3059\u308b\u306e\u306b\u306f\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u306f\u4e00\u822c\u306b\u3001\u5c0e\u5165\u306e\u969b\u306e\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u304c\u53b3\u3057\u304b\u3063\u305f\u308a\u30011\u5ea6\u5c0e\u5165\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u306a\u304b\u306a\u304b\u629c\u3051\u51fa\u305b\u306a\u304b\u3063\u305f\u308a\u3001\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8ffd\u3044\u304b\u3051\u3066\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u3059\u308b\u306e\u304c\u5927\u5909\u3060\u3063\u305f\u308a\u3068\u3001\u3053\u3061\u3089\u3082\u3053\u3061\u3089\u3067\u3001\u6271\u3046\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u529b\u91cf\u304c\u8a66\u3055\u308c\u308b\u30c4\u30fc\u30eb\u3060\u3063\u305f\u308a\u3059\u308b\u306e\u3067\u3059<\/p>\n<p>Submarine.js\u3092\u4f7f\u3046\u3068\u3001OpenStack\u3088\u308a\u304b\u306f\u5c0e\u5165\u304c\u7c21\u5358\u3067\u3001\u81ea\u5206\u305f\u3061\u3067\u6b32\u3057\u3044\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u4e0d\u5177\u5408\u3092\u4fee\u6b63\u3057\u305f\u308a\u3001\u5225\u306e\u30c4\u30fc\u30eb\u3068\u4f75\u7528\u3057\u305f\u308a\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u3067\u304d\u3001\u5c0f\u56de\u308a\u306e\u52b9\u304f\u65b9\u6cd5\u3067\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059<\/p>\n<h1 id=\"\u76ee\u6b21\">\u76ee\u6b21<\/h1>\n<ul>\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u74b0\u5883\u69cb\u7bc9<\/li>\n<li>\u307e\u305a\u306f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3001\u52d5\u304b\u3057\u3066\u307f\u3088\u3046<\/li>\n<li>Submarine.js\u306f\u30e1\u30f3\u30c6\u30ca\u306e\u76ee\u7dda\u3067\u30c7\u30b6\u30a4\u30f3\u3055\u308c\u3066\u3044\u308b<\/li>\n<li>\u30e2\u30c0\u30f3\u306aJavaScript(Node.js)\u306e\u30d1\u30ef\u30fc\u3092\u6d3b\u7528\u3057\u3088\u3046 &#8211; \u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b<\/li>\n<p><!--more-->\n<\/ul>\n<h1 id=\"\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u74b0\u5883\u69cb\u7bc9\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u74b0\u5883\u69cb\u7bc9<\/h1>\n<p>\u307e\u305a\u306fSubmarine.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u74b0\u5883\u69cb\u7bc9\u3092\u3057\u307e\u3059<\/p>\n<p>\u203b\u3053\u306e\u8a18\u4e8b\u306e\u624b\u9806\u306f\u3001Ubuntu18.04\u306b\u3066\u691c\u8a3c\u3057\u3066\u3044\u307e\u3059<\/p>\n<h2 id=\"Nodejs\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\">Node.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n<p>Submarine.js\u306fNode.js\u3067\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u52d5\u4f5c\u3055\u305b\u308b\u305f\u3081\u306bNode.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059<\/p>\n<p>Node.js\u306fChrome\u306a\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u52d5\u4f5c\u3059\u308bJavaScript\u3092\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u3067\u3082\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u753b\u671f\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059<\/p>\n<p><a href=\"https:\/\/nodejs.org\/en\/download\/\" target=\"_blank\" rel=\"noopener\">Node.js\u306e\u30b5\u30a4\u30c8<\/a>\u306b\u306f\u3001\u3044\u3064\u304f\u304b\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806\u304c\u3042\u308a\u307e\u3059\u304c\u3001Submarine.js\u306e<a href=\"https:\/\/gitlab.com\/mjusui\/submarine\/tree\/v1.1\" target=\"_blank\" rel=\"noopener\">\u516c\u5f0f\u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3068\u304a\u308a\u3001<a href=\"https:\/\/nodejs.org\/en\/download\/package-manager\/#nvm\" target=\"_blank\" rel=\"noopener\">NVM\u306b\u3088\u308b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059<\/p>\n<p>NVM\u3068\u306fNode Version Manager\u306e\u3053\u3068\u3067\u3001Node.js\u306e\u8907\u6570\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u7c21\u5358\u306b\u5207\u308a\u66ff\u3048\u3089\u308c\u308b\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u3067\u3059<br \/>\nRuby\u306erenv\u3084Python\u306epyenv\u306b\u76f8\u5f53\u3059\u308b\u30c4\u30fc\u30eb\u3067\u3059\u306d<\/p>\n<p>nvm\u306e<a href=\"https:\/\/github.com\/nvm-sh\/nvm#install--update-script\" target=\"_blank\" rel=\"noopener\">github\u30da\u30fc\u30b8<\/a>\u3092\u898b\u308b\u3068curl\u3067\u4e00\u767a\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u308c\u3066\u307e\u3059<\/p>\n<pre><code>$ curl -o- https:\/\/raw.githubusercontent.com\/nvm-sh\/nvm\/v0.35.0\/install.sh | bash\r\n$ tail -n 4 .bashrc\r\n$ . .bashrc\r\n$ nvm --version\r\n<\/code><\/pre>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/nvm-install-cropped\" rel=\"attachment wp-att-39455\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39455\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/nvm-install-cropped.png\" alt=\"\" width=\"500\" height=\"360\" \/><\/a><\/p>\n<p>nvm\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u305f\u3068\u3053\u308d\u3067\u3001\u6b21\u306f\u3044\u3088\u3044\u3088Node.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059<\/p>\n<p>Submarine.js\u306fNode.js\u306e\u9577\u671f\u30b5\u30dd\u30fc\u30c8\u7248(LTS)\u3067\u3042\u308b10.x\u7cfb(\u8a18\u4e8b\u57f7\u7b46\u6642)\u3067\u306e\u52d5\u4f5c\u304c\u4fdd\u8a3c\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u4eca\u56de\u306f10.x\u7cfb\u306e\u6700\u65b0\u7248\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059<\/p>\n<pre><code>$ nvm install --lts\r\n$ node --version\r\n<\/code><\/pre>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/node-install-cropped\" rel=\"attachment wp-att-39454\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39454\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/node-install-cropped.png\" alt=\"\" width=\"500\" height=\"153\" \/><\/a><\/p>\n<h2 id=\"Submarinejs\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\">Submarine.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n<p>\u6b21\u306bSubmarine.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059<br \/>\n\u307e\u305a\u306fSubmarine.js\u306e\u30b3\u30fc\u30c9\u3092\u7ba1\u7406\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7528\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u307e\u3059<\/p>\n<pre><code>$ mkdir project\r\n<\/code><\/pre>\n<p>\u305d\u3057\u3066Submarine.js\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059<br \/>\nNode.js\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u30c4\u30fc\u30eb\u3068\u3057\u3066\u306fnpm\u3084yarn\u304c\u3042\u308a\u307e\u3059\u304c\u3001Submarine.js\u306f\u73fe\u6642\u70b9\u3067\u306f\u5358\u306btarball\u3092\u5c55\u958b\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059<\/p>\n<p>Submarine.js\u306e\u57f7\u7b46\u6642\u70b9\u3067\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306fv1.1\u3067\u3059<\/p>\n<pre><code>$ cd project\r\n$ mkdir -p node_modules\/v1.1\r\n$ cd node_modules\/v1.1\r\n$ curl -LO https:\/\/gitlab.com\/mjusui\/submarine\/-\/archive\/v1.1\/submarine-v1.1.tar.gz\r\n$ tar xzf submarine-v1.1.tar.gz\r\n$ mv submarine-v1.1 Submarine\r\n$ rm submarine-v1.1.tar.gz\r\n$ node Submarine\/src\/HelloWorld\r\n<\/code><\/pre>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/submarine-install-cropped\" rel=\"attachment wp-att-39457\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39457\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/submarine-install-cropped.png\" alt=\"\" width=\"500\" height=\"199\" \/><\/a><\/p>\n<p>\u3053\u308c\u3067Submarine.js\u304c\u3001\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f<\/p>\n<h1 id=\"\u307e\u305a\u306f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3001\u52d5\u304b\u3057\u3066\u307f\u3088\u3046\">\u307e\u305a\u306f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3001\u52d5\u304b\u3057\u3066\u307f\u3088\u3046<\/h1>\n<p>Submarine.js\u304c\u3069\u3046\u3044\u3046\u3082\u306e\u304b\u306f\u304a\u3044\u3066\u304a\u3044\u3066\u3001\u307e\u305a\u306f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3001\u52d5\u304b\u3057\u3066\u307f\u307e\u3059<\/p>\n<p>JavaScript\u3084Node.js\u306e\u77e5\u8b58\u304c\u3042\u308b\u3068\u3001\u3053\u3053\u3067\u767b\u5834\u3059\u308b\u30b3\u30fc\u30c9\u3092\u6df1\u304f\u7406\u89e3\u3067\u304d\u307e\u3059\u304c\u3001\u306f\u3058\u3081\u306f\u305d\u308c\u3089\u306e\u77e5\u8b58\u306f\u5fc5\u9808\u3067\u306f\u3042\u308a\u307e\u305b\u3093<br \/>\nSubmarine.js\u3092\u5229\u7528\u3057\u3066\u3044\u304f\u4e2d\u3067\u3001\u5c11\u3057\u305a\u3064\u8eab\u306b\u4ed8\u3051\u3066\u3044\u304f\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059<\/p>\n<p>\u305d\u308c\u3088\u308a\u3082\u3080\u3057\u308dShellScript\u3092\u4e0a\u624b\u304f\u66f8\u304f\u6280\u8853\u304c\u3042\u308b\u3068\u3001Submarine.js\u306e\u30d1\u30ef\u30d5\u30eb\u3055\u3092\u611f\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046<\/p>\n<h2 id=\"\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u3092\u53d6\u5f97\u3059\u308b\">\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n<p>project\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u623b\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u3063\u3066\u304f\u3060\u3055\u3044<\/p>\n<pre><code class=\"MyHost.js hljs\"><span class=\"hljs-keyword\">const<\/span> Submarine=<span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> MyHost=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> <\/span>{\r\n\r\n  query(){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n\r\n      <span class=\"hljs-attr\">hostname<\/span>: <span class=\"hljs-string\">'hostname -s'<\/span>,\r\n\r\n    };\r\n  }\r\n\r\n}\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> myhost=<span class=\"hljs-keyword\">new<\/span> MyHost({\r\n  <span class=\"hljs-attr\">conn<\/span>: <span class=\"hljs-string\">'sh'<\/span>,\r\n});\r\n\r\n\r\n\r\nmyhost.current()\r\n  .then(<span class=\"hljs-built_in\">console<\/span>.log)\r\n  .catch(<span class=\"hljs-built_in\">console<\/span>.error);\r\n<\/code><\/pre>\n<p>\u305d\u3057\u3066node\u30b3\u30de\u30f3\u30c9\u3067\u3001\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059<\/p>\n<pre><code>$ node MyHost.js\r\n<\/code><\/pre>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/my-host-js-cropped\" rel=\"attachment wp-att-39453\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39453\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/my-host-js-cropped.png\" alt=\"\" width=\"500\" height=\"511\" \/><\/a><\/p>\n<p>query\u95a2\u6570\u306e\u4e2d\u3067\u5b9a\u7fa9\u3057\u305f<code>hostname -s<\/code>\u304clocalhost\u4e0a\u306esh\u3067\u5b9f\u884c\u3055\u308c\u3001\u305d\u306e\u7d50\u679c\u304cJSON\u5f62\u5f0f\u3067\u8868\u793a\u3055\u308c\u307e\u3059<\/p>\n<p>\u3067\u306fMyHost.js\u306e\u4e2d\u8eab\u3092\u3001\u9806\u3092\u8ffd\u3063\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n<pre><code class=\"MyHost.js hljs\"><span class=\"hljs-keyword\">const<\/span> Submarine=<span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n<\/code><\/pre>\n<p>\u307e\u305a\u4e00\u884c\u76ee\u3002JavaScript\u3092\u77e5\u3089\u306a\u3044\u65b9\u304b\u3089\u3059\u308b\u3068\u3001\u3044\u304d\u306a\u308a\u5206\u304b\u3089\u306a\u3044\u6587\u5b57\u304c\u51fa\u3066\u304d\u307e\u3059\u304c\u3001\u4e00\u3064\u305a\u3064\u5206\u89e3\u3057\u3066\u307f\u307e\u3059<\/p>\n<pre><code>const : JavaScript\u3067\u5b9a\u6570\u3092\u5ba3\u8a00\u3059\u308b\u969b\u306b\u3001\u5b9a\u6570\u306e\u524d\u306b\u66f8\u304d\u307e\u3059\u3002const\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u5b9a\u6570\u306b\u306f\u3001\u5024\u3092\u518d\u4ee3\u5165\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\r\nrequire('v1.1\/Submarine') : \u5148\u307b\u3069node_modules\/v1.1\/Submarine\u306b\u5c55\u958b\u3057\u305ftarball\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\r\n<\/code><\/pre>\n<p><code>const Submarine=require('v1.1\/Submarine');<\/code>\u3067Submarine\u3068\u3044\u3046\u5b9a\u6570\u306bv1.1\/Submarine\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3060\u3082\u306e\u3092\u4ee3\u5165\u3059\u308b\u3088\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u3059<br \/>\n\u300c\u3053\u308c\u304b\u3089Submarine.js\u306ev1.1\u3092\u4f7f\u3044\u307e\u3059\u3088\u300d\u3068\u5ba3\u8a00\u3057\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u7a0b\u5ea6\u306e\u7406\u89e3\u3067\u5927\u4e08\u592b\u3067\u3059<\/p>\n<p>\u305d\u3057\u3066\u6b21\u306bMyHost\u3068\u3044\u3046\u5b9a\u6570\u3092\u5ba3\u8a00\u3057\u3066\u3044\u308b\u90e8\u5206<\/p>\n<pre><code class=\"MyHost.js hljs\"><span class=\"hljs-keyword\">const<\/span> MyHost=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> <\/span>{\r\n\r\n~\r\n\r\n}\r\n<\/code><\/pre>\n<p><code>class extends Submarine { ~ }<\/code>\u3068\u3044\u3046\u306e\u306f\u3001Submarine\u30af\u30e9\u30b9\u3092\u62e1\u5f35\u3057\u3066\u4f7f\u3046\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u3059<\/p>\n<p>\u3053\u308c\u306f\u5148\u307b\u3069\u306e<code>require('v1.1\/Submarine');<\/code>\u306e\u90e8\u5206\u3067\u3001Submarine\u3068\u3044\u3046\u5b9a\u6570\u306e\u4e2d\u306bSubmarine.js\u304c\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3057\u305f\u30af\u30e9\u30b9\u304c\u4ee3\u5165\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u306b\u81ea\u5206\u304c\u4f7f\u3044\u305f\u3044\u3088\u3046\u306b\u30a2\u30ec\u30f3\u30b8\u3092\u52a0\u3048\u3066\u4f7f\u3044\u307e\u3059\u3001\u3068\u3044\u3046\u3053\u3068\u3092\u5ba3\u8a00\u3057\u3066\u3044\u308b\u306e\u3067\u3059<\/p>\n<p>\u30af\u30e9\u30b9\u3068\u3044\u3046\u306e\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u4e16\u754c\u306e\u6982\u5ff5\u306a\u306e\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u5358\u306b\u300cSubmarine.js\u304c\u30d9\u30fc\u30b9\u3068\u306a\u308b\u30b3\u30fc\u30c9\u3092\u30af\u30e9\u30b9\u3068\u3044\u3046\u5358\u4f4d\u3067\u3001\u3042\u3089\u304b\u3058\u3081\u3001\u307e\u3068\u3081\u3066\u304f\u308c\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u304f\u3089\u3044\u306e\u7406\u89e3\u3067\u5927\u4e08\u592b\u3067\u3059<\/p>\n<p>\u305d\u3057\u3066\u3001\u3044\u3088\u3044\u3088\u30af\u30e9\u30b9\u306e\u4e2d\u306eShell\u30b3\u30de\u30f3\u30c9\u304c\u8a18\u8ff0\u3055\u308c\u305fquery\u3068\u3044\u3046\u90e8\u5206<\/p>\n<pre><code class=\"MyHost.js hljs\">  <span class=\"hljs-function\"><span class=\"hljs-title\">query<\/span><\/span>(){\r\n    <span class=\"hljs-built_in\">return<\/span> {\r\n\r\n      hostname: <span class=\"hljs-string\">'hostname -s'<\/span>,\r\n\r\n    };\r\n  }\r\n<\/code><\/pre>\n<p>\u3053\u308c\u306fSubmarine.js\u306e\u30af\u30e9\u30b9\u304c\u3042\u3089\u304b\u3058\u3081\u6301\u3063\u3066\u3044\u308bquery\u3068\u3044\u3046\u95a2\u6570\u3092\u3001\u81ea\u5206\u7528\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u305f\u90e8\u5206\u3067\u3059<br \/>\n\u3064\u307e\u308a\u3053\u308c\u306f\u3001Submarine.js\u306e\u30af\u30e9\u30b9\u3092\u62e1\u5f35\u3057\u3001query\u95a2\u6570\u3092\u4e0a\u66f8\u304d\u3057\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059<\/p>\n<p>\u3053\u3053\u3067\u306fquery\u95a2\u6570\u304c<code>return { ~ }<\/code>\u3067{ ~ }\u3092\u7d50\u679c\u3068\u3057\u3066\u8fd4\u3059\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e{ ~ }\u306e\u4e2d\u306b<code>{ &lt;key&gt;: &lt;ShellScript&gt;, ... }<\/code>\u3068\u3044\u3046\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067ShellScript\u3092\u8a18\u8ff0\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u306e\u3061\u306b\u7d39\u4ecb\u3059\u308bcurrent\u95a2\u6570\u3092\u5b9f\u884c\u3057\u305f\u969b\u306b\u3001Submarine.js\u304c\u3001query\u95a2\u6570\u306ereturn\u7d50\u679c\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30b5\u30fc\u30d0\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002\u5b9f\u884c\u3057\u305f\u7d50\u679c\u3001\u6a19\u6e96\u51fa\u529b\u306b\u8868\u793a\u3055\u308c\u305f\u6587\u5b57\u5217\u304c\u3001\u6700\u7d42\u7684\u306acurrent\u95a2\u6570\u306e\u7d50\u679c\u3068\u3057\u3066\u8fd4\u3055\u308c\u307e\u3059<\/p>\n<p>query\u95a2\u6570\u304creturn\u3059\u308b\u5024\u306fkey\u3068ShellScript\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u8907\u6570\u6301\u3064\u3053\u3068\u3082\u3067\u304d\u307e\u3059<\/p>\n<pre><code class=\"MyHost2.js hljs\">  query(){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n\r\n      hostname: <span class=\"hljs-string\">'hostname -s'<\/span>,\r\n\r\n      ip_addrs: String.raw`<span class=\"javascript\">\r\n\r\n        ip -o -f inet a \\\r\n          |awk <span class=\"hljs-string\">'{print $4}'<\/span>\r\n\r\n      <\/span>`,\r\n\r\n    };\r\n  }\r\n<\/code><\/pre>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/my-host-2-js-cropped\" rel=\"attachment wp-att-39450\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39450\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/my-host-2-js-cropped.png\" alt=\"\" width=\"500\" height=\"602\" \/><\/a><\/p>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306bhostname\u3060\u3051\u3067\u306a\u304fip_addrs\u3068\u3044\u3046key\u3092\u8ffd\u52a0\u3057\u3001\u30db\u30b9\u30c8\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059<br \/>\n\u3068\u306b\u304b\u304f\u3001\u3053\u306e\u90e8\u5206\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u53c2\u7167\u3057\u305f\u3044\u5024\u3092\u53d6\u5f97\u3059\u308bShellScript\u3092\u81ea\u7531\u306b\u66f8\u3044\u3066\u3044\u3044\u306e\u3067\u3059<\/p>\n<p>\u3053\u3053\u3067 String.raw` ~ ` \u3068\u3044\u3046\u66f8\u304d\u65b9\u304c\u65b0\u3057\u304f\u51fa\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u306f` ~ `\u3067\u56f2\u308f\u308c\u305f\u6587\u5b57\u5217\u306e\u4e2d\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u3092\u7121\u8996\u3057\u3066\u3001\u751f\u306e\u6587\u5b57\u5217\u3068\u3057\u3066\u6271\u3046\u3088\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u3059<br \/>\n\u3053\u308c\u304c\u3042\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001ShellScript\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u8a18\u8ff0\u3057\u3066\u3082\u3001\u308f\u305a\u3089\u308f\u3057\u3044\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u306b\u60a9\u307e\u3055\u308c\u305a\u306b\u6e08\u3080\u306e\u3067\u3059<br \/>\n\u57fa\u672c\u7684\u306b\u8907\u6570\u884c\u306b\u308f\u305f\u308b\u30b3\u30de\u30f3\u30c9\u3092\u66f8\u304f\u3068\u304d\u306b\u306f\u3001\u5fc5\u305a\u3053\u308c\u3067\u304f\u304f\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059<\/p>\n<p>\u307e\u305f\u3001\u8907\u6570\u306ekey\u3068ShellScript\u3092\u6307\u5b9a\u3057\u305f\u3053\u3068\u3067\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u753b\u9762\u3078\u306e\u51fa\u529b\u7d50\u679c\u306eJSON\u306b\u3082\u3001hostname\u3068ip_addrs\u3068\u3044\u30462\u3064\u306ekey\u3068\u5024\u304c\u542b\u307e\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f<br \/>\nip_addrs\u306f\u30db\u30b9\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c2\u3064\u4ee5\u4e0a\u3042\u308a\u3001\u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u304c\u8907\u6570\u884c\u306b\u308f\u305f\u3063\u305f\u305f\u3081\u3001\u7d50\u679c\u304c\u6539\u884c\u3067\u533a\u5207\u3089\u308c\u3001\u914d\u5217\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n<p>\u3053\u308c\u304cSubmarine.js\u306e\u7b2c\u4e00\u306e\u6a5f\u80fdquery\u3067\u3059\u3002\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u8907\u6570\u5b9f\u884c\u3057\u3066JSON\u5f62\u5f0f\u306b\u3057\u3066\u304f\u308c\u307e\u3059<\/p>\n<p>\u30b3\u30fc\u30c9\u306e\u6b8b\u308a\u306e\u90e8\u5206\u306b\u3064\u3044\u3066\u3082\u3001\u8aac\u660e\u3057\u307e\u3057\u3087\u3046<\/p>\n<pre><code class=\"MyHost.js hljs\"><span class=\"hljs-keyword\">const<\/span> myhost=<span class=\"hljs-keyword\">new<\/span> MyHost({\r\n  conn: <span class=\"hljs-string\">'sh'<\/span>,\r\n});\r\n<\/code><\/pre>\n<p>\u4eca\u5ea6\u306f\u5c0f\u6587\u5b57\u306emyhost\u5b9a\u6570\u306b\u3001\u5148\u307b\u3069\u5b9a\u7fa9\u3057\u305fclass\u3092new\u3057\u3066\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>\u5b9a\u6570\u306e\u540d\u524d\u306f\u4f55\u3067\u3082\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u3053\u306e<code>new Class( ~ )<\/code>\u3068\u3044\u3046\u306e\u306f\u3001\u5b9a\u7fa9\u3057\u305fclass\u3092\u5143\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3059<\/p>\n<p>\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3044\u3046\u306e\u304c\u3001\u5148\u307b\u3069\u3082\u8efd\u304f\u767b\u5834\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u306e\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u7c21\u5358\u306b\u300c\u5b9a\u7fa9\u3057\u305f\u30af\u30e9\u30b9\u3092\u4f7f\u3044\u305f\u3044\u3068\u304d\u306b\u306fnew\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3060\u3051\u7406\u89e3\u3057\u3066\u304a\u3051\u3070\u3044\u3044\u3067\u3057\u3087\u3046<\/p>\n<p><code>new MyHost( ~ )<\/code>\u306e\u62ec\u5f27\u306e\u4e2d\u3067<code>{ conn: 'sh' }<\/code>\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u300c\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8\u306e\/bin\/sh\u3067\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3088\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3059<br \/>\n\u3053\u306e\u4ed6\u306b\u3082<code>{ conn: 'bash' }<\/code>(=\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8\u306e\/bin\/bash)\u3084<code>{ conn: 'ssh', host: '&lt;ip address&gt;'}<\/code>(=&lt;ip address&gt;\u306bssh)\u306e\u3088\u3046\u306b\u3001\u5b9f\u884c\u5148\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059<\/p>\n<p>\u4e00\u5ea6\u5b9a\u7fa9\u3057\u305f\u30af\u30e9\u30b9\u3092\u3001new\u3059\u308b\u6642\u306b\u4e0e\u3048\u308b\u5f15\u6570\u306b\u5fdc\u3058\u3066\u3001\u5b9f\u884c\u5148\u3092\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u5f37\u307f\u3067\u3082\u3042\u308a\u307e\u3059<\/p>\n<p>\u305d\u3057\u3066\u6700\u5f8c<\/p>\n<pre><code class=\"MyHost.js hljs\"><span class=\"hljs-selector-tag\">myhost<\/span><span class=\"hljs-selector-class\">.current<\/span>()\r\n  <span class=\"hljs-selector-class\">.then<\/span>(<span class=\"hljs-selector-tag\">console<\/span><span class=\"hljs-selector-class\">.log<\/span>)\r\n  <span class=\"hljs-selector-class\">.catch<\/span>(<span class=\"hljs-selector-tag\">console<\/span><span class=\"hljs-selector-class\">.error<\/span>);\r\n<\/code><\/pre>\n<p>\u3053\u306ecurrent\u3068\u3044\u3046\u95a2\u6570\u306f\u3001Submarine.js\u3092\u62e1\u5f35\u3057\u305f\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u6301\u3063\u3066\u3044\u308b\u95a2\u6570\u3067\u3059\u3002query\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u7d50\u679c\u3092JSON\u5f62\u5f0f\u3067\u8fd4\u3059\u50cd\u304d\u3092\u3057\u307e\u3059\u3002\u307e\u3055\u306b\u300c\u30b5\u30fc\u30d0\u306e\u73fe\u5728\u306e\u72b6\u614b(=current state)\u300d\u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570\u306a\u306e\u3067\u3059<\/p>\n<p>.then\u3068.catch\u3068\u3044\u3046\u306e\u306f\u3001query\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u304c\u5168\u3066\u6210\u529f\u3059\u308c\u3070then\u304c\u547c\u3073\u51fa\u3055\u308c\u30011\u3064\u3067\u3082\u30b3\u30de\u30f3\u30c9\u304c\u5931\u6557\u3059\u308c\u3070catch\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3001\u3068\u3044\u3046\u52d5\u304d\u3092\u3057\u307e\u3059<\/p>\n<p><code>console.log<\/code>\u306f\u5f15\u6570\u3092\u6a19\u6e96\u51fa\u529b\u306b\u8868\u793a\u3059\u308bJavaScript\u306e\u6a5f\u80fd\u3067\u3001<code>console.error<\/code>\u306f\u30a8\u30e9\u30fc\u51fa\u529b\u306b\u51fa\u529b\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u30b3\u30de\u30f3\u30c9\u304c\u6210\u529f\u3057\u305f\u3089\u6a19\u6e96\u51fa\u529b\u3001\u30a8\u30e9\u30fc\u306b\u306a\u3063\u305f\u3089\u30a8\u30e9\u30fc\u51fa\u529b\u306b\u8868\u793a\u3059\u308b\u3001\u3068\u3044\u3046\u51e6\u7406\u3092\u3001\u3053\u3053\u3067\u306f\u884c\u3063\u3066\u3044\u307e\u3059<\/p>\n<p>\u4ee5\u4e0a\u304cSubmarine.js\u7b2c\u4e00\u306e\u6a5f\u80fd\u3067\u3042\u308bquery\u3067\u3059\u3002query\u3068\u3044\u3046\u306e\u306f\u3001\u307e\u3055\u306b\u300c\u30b5\u30fc\u30d0\u306e\u73fe\u5728\u306e\u72b6\u614b(=current state)\u300d\u3092\u554f\u3044\u5408\u308f\u305b(=query)\u3059\u308b\u95a2\u6570\u306a\u306e\u3067\u3059<\/p>\n<p>\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001\u3053\u306equery\u306f\u3042\u304f\u307e\u3067\u72b6\u614b\u306e\u53d6\u5f97\u3092\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u306a\u306e\u3067\u3001\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u30b3\u30de\u30f3\u30c9\u306f\u8a18\u8ff0\u3059\u3079\u304d\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u3053\u306equery\u95a2\u6570\u306e\u4e2d\u3067\u3001\u65b0\u3057\u304f\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u305f\u308a\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u308a\u3059\u308b\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u306f\u3001\u66f8\u3044\u3066\u306f\u3044\u3051\u307e\u305b\u3093(\u66f8\u3051\u3070\u30b5\u30fc\u30d0\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001Submarine.js\u3067\u306f\u3001\u3053\u308c\u306fquery\u306b\u66f8\u304b\u305a\u3001\u306e\u3061\u306b\u7d39\u4ecb\u3059\u308bcommand\u3068\u3044\u3046\u95a2\u6570\u3067\u66f8\u304f\u3001\u3068\u3044\u3046\u30eb\u30fc\u30eb\u3092\u8a2d\u3051\u3066\u3044\u307e\u3059)<\/p>\n<h2 id=\"\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u3092\u30c6\u30b9\u30c8\u3059\u308b\">\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u3092\u30c6\u30b9\u30c8\u3059\u308b<\/h2>\n<p>query\u95a2\u6570\u3067\u306f\u3001\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u4eca\u5ea6\u306f\u53d6\u5f97\u3057\u305f\u72b6\u614b\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059<br \/>\nSubmarine.js\u3067\u306f\u3001\u30b5\u30fc\u30d0\u306e\u73fe\u5728\u306e\u72b6\u614b\u304c\u3001\u3042\u308b\u3079\u304d\u72b6\u614b\u306a\u306e\u304b\u3001\u305d\u3046\u3067\u306a\u3044\u306e\u304b\u3092\u8abf\u3079\u308b\u305f\u3081\u306btest\u3068\u3044\u3046\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n<pre><code class=\"MyHost3.js hljs\"><span class=\"hljs-keyword\">const<\/span> Submarine=<span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> MyHost=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> <\/span>{\r\n\r\n  query(){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      <span class=\"hljs-attr\">issue<\/span>: <span class=\"hljs-string\">'cat \/etc\/issue.net'<\/span>,\r\n    };\r\n  }\r\n\r\n  test(stats){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      <span class=\"hljs-attr\">ubuntu_is_18_04_3_lts<\/span>: stats.issue === <span class=\"hljs-string\">'Ubuntu 18.04.3 LTS'<\/span>,\r\n    };\r\n  }\r\n\r\n}\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> myhost=<span class=\"hljs-keyword\">new<\/span> MyHost({\r\n  <span class=\"hljs-attr\">conn<\/span>: <span class=\"hljs-string\">'sh'<\/span>,\r\n});\r\n\r\n\r\n\r\nmyhost.check()\r\n  .then(<span class=\"hljs-built_in\">console<\/span>.log)\r\n  .catch(<span class=\"hljs-built_in\">console<\/span>.error);\r\n<\/code><\/pre>\n<p>\u69cb\u9020\u306f\u3001\u5148\u307b\u3069query\u95a2\u6570\u306e\u4f8b\u3067\u7d39\u4ecb\u3057\u305f\u30b3\u30fc\u30c9\u3068\u307b\u307c\u540c\u3058\u3067\u3001\u4eca\u56de\u306fquery\u95a2\u6570\u306b<code>\/etc\/issue.net<\/code>\u306e\u5185\u5bb9\u3092cat\u3059\u308b\u5358\u7d14\u306a\u30b3\u30de\u30f3\u30c9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n<p>\u305d\u3057\u3066\u65b0\u3057\u304ftest\u3068\u3044\u3046\u95a2\u6570\u306e\u5b9a\u7fa9\u304c\u52a0\u3048\u3089\u308c\u3001\u3055\u3089\u306b\u3001current\u95a2\u6570\u306e\u5909\u308f\u308a\u306bcheck\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>\u3053\u306etest\u3068\u3044\u3046\u95a2\u6570\u304c\u3001query\u95a2\u6570\u3068\u540c\u3058\u304fSubmarine.js\u3092\u62e1\u5f35\u3057\u3066\u3044\u307e\u3059<br \/>\n\u3053\u306e\u95a2\u6570\u306e\u7279\u6027\u306f\u3001current\u95a2\u6570\u306e\u7d50\u679c(\u3059\u306a\u308f\u3061query\u95a2\u6570\u3067\u5b9a\u7fa9\u3057\u305f\u30b3\u30de\u30f3\u30c9\u7fa4\u306e\u7d50\u679c)\u3092\u7b2c\u4e00\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3089\u3092\u6587\u5b57\u901a\u308atest\u3059\u308b\u95a2\u6570\u3068\u306a\u308a\u307e\u3059<\/p>\n<p>\u4e0a\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001query\u3067Ubuntu\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u6587\u5b57\u5217\u3092\u53d6\u5f97\u3057\u3001test\u3067\u3001\u305d\u306e\u6587\u5b57\u5217\u304c<code>Ubuntu 18.04.3 LTS<\/code>\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059<\/p>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/my-host-3-js-cropped\" rel=\"attachment wp-att-39451\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39451\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/my-host-3-js-cropped.png\" alt=\"\" width=\"500\" height=\"564\" \/><\/a><\/p>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u753b\u50cf\u306e\u3088\u3046\u306aJSON\u5f62\u5f0f\u306e\u5024\u304c\u8868\u793a\u3055\u308c\u307e\u3059<br \/>\n1\u3064\u305a\u3064\u3001\u4e2d\u8eab\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046<\/p>\n<pre><code>stats : current\u95a2\u6570\u306e\u7d50\u679c\r\ntests : test\u95a2\u6570\u3067return\u3055\u308c\u305f\u7d50\u679c\r\ngood : tests\u306e\u3046\u3061\u30c6\u30b9\u30c8\u3092\u30d1\u30b9\u3057\u305f\u6570(true\u306e\u6570)\r\nbad : tests\u306e\u3046\u3061\u30c6\u30b9\u30c8\u3092\u30d1\u30b9\u3067\u304d\u306a\u304b\u3063\u305f\u6570(false\u306e\u6570)\r\ntotal : \u30c6\u30b9\u30c8\u306e\u6570\r\nok : \u30c6\u30b9\u30c8\u304c\u5168\u3066\u30d1\u30b9\u3057\u305f\u5834\u5408\u306ftrue\u30011\u3064\u3067\u3082\u30d1\u30b9\u3067\u304d\u306a\u304b\u3063\u305f\u5834\u5408\u306ffalse\r\n<\/code><\/pre>\n<p>Submarine.js\u306fquery\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u306e\u73fe\u5728\u306e\u72b6\u614b\u3092\u53d6\u5f97\u3057\u3001test\u3067\u30b5\u30fc\u30d0\u304c\u300c\u3042\u308b\u3079\u304d\u72b6\u614b\u300d\u304b\u3069\u3046\u304b\u5224\u5b9a\u3059\u308b\u3068\u3044\u3046\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/p>\n<h2 id=\"\u30b5\u30fc\u30d0\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\">\u30b5\u30fc\u30d0\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b<\/h2>\n<p>\u3053\u308c\u307e\u3067\u306equery\u95a2\u6570\u3084test\u95a2\u6570\u306f\u3001\u30b5\u30fc\u30d0\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u3001\u3044\u308f\u3070\u8aad\u307f\u53d6\u308a(Read)\u306e\u51e6\u7406\u3067\u3057\u305f\u304c\u3001\u4eca\u5ea6\u306f\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u66f8\u304d\u8fbc\u307f(Write)\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059<\/p>\n<pre><code class=\"MyHost4.js hljs\"><span class=\"hljs-keyword\">const<\/span> Submarine=<span class=\"hljs-keyword\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> MyHost=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> <\/span>{\r\n\r\n  query(){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      project2_dir: String.raw`\r\n\r\n        test \\\r\n          -d \/home\/mjusui\/project2 \\\r\n        &amp;&amp; <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">'present'<\/span> \\\r\n        || <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">'not present'<\/span>\r\n\r\n      `\r\n    };\r\n  }\r\n\r\n  test(stats){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      project2_dir_exists: stats.project2_dir === <span class=\"hljs-string\">'present'<\/span>\r\n    };\r\n  }\r\n\r\n  command(){\r\n    <span class=\"hljs-keyword\">return<\/span> String.raw`\r\n      dir=\/home\/mjusui\/project2\/node_modules\/v1<span class=\"hljs-number\">.1<\/span>\r\n\r\n      mkdir -p $dir \\\r\n      &amp;&amp; cd $dir \\\r\n      &amp;&amp; curl -LO \\\r\n        https:<span class=\"hljs-comment\">\/\/gitlab.com\/mjusui\/submarine\/-\/archive\/v1.1\/submarine-v1.1.tar.gz \\<\/span>\r\n      &amp;&amp; tar xzf submarine-v1<span class=\"hljs-number\">.1<\/span>.tar.gz \\\r\n      &amp;&amp; mv submarine-v1<span class=\"hljs-number\">.1<\/span> Submarine\r\n    `;\r\n\r\n  }\r\n}\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> myhost=<span class=\"hljs-keyword\">new<\/span> MyHost({\r\n  conn: <span class=\"hljs-string\">'sh'<\/span>,\r\n});\r\n\r\n\r\n\r\nmyhost.correct()\r\n  .then(console.log)\r\n  .<span class=\"hljs-keyword\">catch<\/span>(console.error);\r\n<\/code><\/pre>\n<p>query, test\u3068\u304d\u3066\u3001\u6b21\u306fcommand\u95a2\u6570\u3092\u5b9f\u88c5\u3057\u307e\u3059<\/p>\n<p>\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001\u307e\u305aquery\u95a2\u6570\u3067<code>\/home\/mjusui\/project2<\/code>\u304c\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u3057\u3066\u5b58\u5728\u3057\u3066\u3044\u308b\u5834\u5408\u306f<code>present<\/code>\u3001\u5b58\u5728\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f<code>not present<\/code>\u306e\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u3057\u3066test\u95a2\u6570\u3067query\u306e\u7d50\u679c\u304c<code>present<\/code>\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059(\u3064\u307e\u308a\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306bproject2\u3068\u3044\u3046\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u5224\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059)<\/p>\n<p>command\u95a2\u6570\u306e\u5b9f\u884c\u306b\u306f\u3001query\u95a2\u6570\u306e\u5b9f\u884c\u306fcurrent\u95a2\u6570\u3001test\u95a2\u6570\u306fcheck\u95a2\u6570\u3001\u306b\u5bfe\u3057\u3066correct\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059<\/p>\n<p>\u3053\u306ecorrect\u95a2\u6570\u306f\u300ctest\u304c\u5931\u6557(1\u3064\u3067\u3082false\u304c\u542b\u307e\u308c\u308b)\u306e\u5834\u5408\u306e\u307fcommand\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u4eca\u56de\u3001\u65b0\u3057\u304f\u767b\u5834\u3057\u305fcommand\u95a2\u6570\u306f\u300c\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306bproject2\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u5b9f\u884c\u3055\u308c\u308bShellScript\u300d\u3092\u8fd4\u3059\u3088\u3046\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059<\/p>\n<p>correct = \u4fee\u6b63\u3059\u308b\u3001\u3064\u307e\u308a\u5931\u6557\u3057\u305f\u30c6\u30b9\u30c8\u304c\u6210\u529f\u3059\u308b\u3088\u3046\u306b\u4fee\u6b63\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3059<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306fcommand\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u5834\u5408\u306b\u306f<code>\/home\/mjusui\/project2<\/code>\u3092\u4f5c\u6210\u3057\u3001Submarine.js\u3092\u4f7f\u3048\u308b\u3088\u3046\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3059\u308bShellScript\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059(\u3053\u306e\u8a18\u4e8b\u3067\u3082\u7d39\u4ecb\u3057\u305f\u624b\u9806\u3067\u3059)<\/p>\n<p>\u3053\u308c\u3092node\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u884c\u3057\u305f\u7d50\u679c\u304c\u3001\u4e0b\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3068\u306a\u308a\u307e\u3059<\/p>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/my-host-4-js-cropped\" rel=\"attachment wp-att-39452\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39452\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/my-host-4-js-cropped.png\" alt=\"\" width=\"500\" height=\"167\" \/><\/a><\/p>\n<p>\u5b9f\u884c\u3059\u308b\u524d\u306fproject2\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u30011\u5ea6\u306e\u5b9f\u884c\u3057\u305f\u5f8c\u306b\u751f\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305f\u3068\u304a\u308aHelloWorld\u304c\u5b9f\u884c\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001Submarine.js\u304c\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059<\/p>\n<p>\u307e\u305f2\u56de\u76ee\u306b\u5b9f\u884c\u3057\u305f\u7d50\u679c\u306f\u30011\u56de\u76ee\u3068\u7570\u306a\u308a\u3001check\u95a2\u6570\u306e\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f1\u56de\u76ee\u306e\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u3067project2\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u4f5c\u6210\u3055\u308c\u305f\u305f\u3081\u30012\u56de\u76ee\u306b\u306ftest\u95a2\u6570\u306e\u7d50\u679c\u304c\u5168\u3066true\u3068\u306a\u3063\u305f\u305f\u3081\u3001command\u95a2\u6570\u306e\u5b9f\u884c\u304c\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u305f\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u307e\u3059<\/p>\n<h1 id=\"Submarinejs\u306f\u30e1\u30f3\u30c6\u30ca\u306e\u76ee\u7dda\u3067\u30c7\u30b6\u30a4\u30f3\u3055\u308c\u3066\u3044\u308b\">Submarine.js\u306f\u30e1\u30f3\u30c6\u30ca\u306e\u76ee\u7dda\u3067\u30c7\u30b6\u30a4\u30f3\u3055\u308c\u3066\u3044\u308b<\/h1>\n<p>\u3053\u306e\u3088\u3046\u306bSubmarine.js\u3067\u306f\u3001\u6bd4\u8f03\u7684\u306b\u30ea\u30b9\u30af\u306e\u4f4e\u3044\u3001\u72b6\u614b\u306e\u78ba\u8a8d\u3084\u5224\u5b9a(query,test = \u8aad\u307f\u8fbc\u307f)\u306e\u30b3\u30de\u30f3\u30c9\u3001\u3068\u3001\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u3001\u72b6\u614b\u306e\u5909\u66f4(command = \u66f8\u304d\u8fbc\u307f)\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u306b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/p>\n<p>Ansible\u306a\u3069\u306e\u69cb\u6210\u7ba1\u7406\u30c4\u30fc\u30eb\u3067\u306f\u3001\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u308b\u307e\u3067\u306f\u30b5\u30fc\u30d0\u306b\u5909\u66f4\u304c\u52a0\u3048\u3089\u308c\u308b\u304b\u3069\u3046\u304b\u304c\u5206\u304b\u3089\u306a\u3044\u306e\u306b\u5bfe\u3057\u3066\u3001Submarine.js\u306e\u5834\u5408\u306fcurrent\u95a2\u6570\u3084check\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308c\u3070\u3001\u30b5\u30fc\u30d0\u3078\u306e\u5909\u66f4\u304c\u8d70\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3067\u304d\u308b\u3001\u5b89\u5fc3\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059<\/p>\n<p>\u307e\u305f\u3001\u3053\u306e\u8a2d\u8a08\u306f\u3001\u73fe\u5728\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3001\u3042\u308b\u3079\u304d\u72b6\u614b\u3092\u5b9a\u7fa9\u3057\u3001\u5b9a\u7fa9\u3057\u305f\u3068\u304a\u308a\u306b\u306a\u308b\u3088\u3046\u30b7\u30b9\u30c6\u30e0\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u3001\u3068\u3044\u3046\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u5f53\u7136\u306e\u3088\u3046\u306b\u884c\u3063\u3066\u3044\u308b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u5168\u304f\u540c\u3058\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/p>\n<h1 id=\"\u30e2\u30c0\u30f3\u306aJavaScriptNodejs\u306e\u30d1\u30ef\u30fc\u3092\u6d3b\u7528\u3057\u3088\u3046---\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\">\u30e2\u30c0\u30f3\u306aJavaScript(Node.js)\u306e\u30d1\u30ef\u30fc\u3092\u6d3b\u7528\u3057\u3088\u3046 &#8211; \u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b<\/h1>\n<p>\u3053\u3053\u307e\u3067\u3067\u3001Submarine.js\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u8a2d\u8a08\u601d\u60f3\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u304b\u3089\u306f\u5fdc\u7528\u7de8\u3067\u3059<\/p>\n<p>Submarine.js\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3001OpenStack\u306a\u3069\u306e\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u5b9f\u73fe\u3057\u307e\u3059<\/p>\n<h2 id=\"\u52d5\u4f5c\u74b0\u5883\">\u52d5\u4f5c\u74b0\u5883<\/h2>\n<p>\u6a5f\u80fd\u306e\u5b9f\u88c5\u306b\u5165\u308b\u524d\u306b\u3001\u3053\u306e\u8a18\u4e8b\u3067\u5229\u7528\u3057\u305f\u74b0\u5883\u60c5\u5831\u3092\u660e\u8a18\u3057\u3066\u304a\u304d\u307e\u3059<\/p>\n<ul>\n<li>Submarine.js\u52d5\u4f5c\u74b0\u5883\n<pre><code>OS : Ubuntu 18.04\r\nNode.js : 10.16\r\nSubmarine.js : v1.1\r\n<\/code><\/pre>\n<\/li>\n<li>KVM\u30b5\u30fc\u30d0(2\u53f0)\n<pre><code>OS : Ubuntu 18.04\r\nlibvirtd : 4.0.0\r\nvirtinst : 1.5.1\r\ncpu : 4 cores\r\n\u30e1\u30e2\u30ea : 2GB\r\n\u30c7\u30a3\u30b9\u30af : 30GB\r\n<\/code><\/pre>\n<\/li>\n<li>\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\n<pre><code>OS : CentOS7\r\ncpu: 2 cores\r\n\u30e1\u30e2\u30ea : 1GB\r\n\u30c7\u30a3\u30b9\u30af : 12GB\r\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001KVM\u74b0\u5883\u306e\u69cb\u7bc9\u306f\u3001\u3059\u3067\u306b\u5b8c\u4e86\u3057\u305f\u72b6\u614b\u304b\u3089\u6a5f\u80fd\u306e\u5b9f\u88c5\u3092\u30b9\u30bf\u30fc\u30c8\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n<p>KVM\u30b5\u30fc\u30d0\u306e\u74b0\u5883\u69cb\u7bc9\u304c\u3067\u304d\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u4eee\u60f3\u30de\u30b7\u30f3\u304c\u4f5c\u6210\u3067\u304d\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059<\/p>\n<pre><code>$ mkdir -p tmp\/isos\r\n$ curl -LO http:\/\/ftp.riken.jp\/Linux\/centos\/7\/isos\/x86_64\/CentOS-7-x86_64-Minimal-1908.iso\r\n$ virt-install \\\r\n  --name test-centos7-001 \\\r\n  --vcpu 2 \\\r\n  --memory 1024 \\\r\n  --disk size=12 \\\r\n  --noautoconsole \\\r\n  --nographics \\\r\n  --location \\\r\n    .\/CentOS-7-x86_64-Minimal-1908.iso \\\r\n  --extra-args \\\r\n    'console=tty0 console=ttyS0,115200n8'\r\n$ virsh list --all\r\n<\/code><\/pre>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/virt-install-cropped\" rel=\"attachment wp-att-39459\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39459\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/virt-install-cropped.png\" alt=\"\" width=\"500\" height=\"184\" \/><\/a><\/p>\n<p>\u3046\u307e\u304f\u3044\u3051\u3070<code>test-centos7-001<\/code>\u3068\u3044\u3046\u540d\u524d\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u304c\u4f5c\u6210\u3055\u308c\u308b\u3067\u3057\u3087\u3046<\/p>\n<h2 id=\"\u4eee\u60f3\u30de\u30b7\u30f3\u69cb\u7bc9\u51e6\u7406\u306e\u6d41\u308c\">\u4eee\u60f3\u30de\u30b7\u30f3\u69cb\u7bc9\u51e6\u7406\u306e\u6d41\u308c<\/h2>\n<p>\u4eca\u56de\u306fKVM\u30b5\u30fc\u30d0\u30922\u53f0\u7528\u610f\u3057\u307e\u3057\u305f\u3002\u305d\u308c\u3089\u306e\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u3001Submarine.js\u3092\u4f7f\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6d41\u308c\u3067\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u69cb\u7bc9\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n<ol>\n<li>query\u95a2\u6570\u3067KVM\u30b5\u30fc\u30d0\u306e\u4ee5\u4e0b\u30ea\u30bd\u30fc\u30b9\u72b6\u6cc1\u3092\u53d6\u5f97\u3059\u308b<br \/>\n1-1. KVM\u30b5\u30fc\u30d0\u4e0a\u306b\u3001\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u540d<br \/>\n1-2. \u7269\u7406CPU\u306e\u6570<br \/>\n1-3. \u4eee\u60f3CPU\u306e\u6570<br \/>\n1-4. \u7269\u7406\u30e1\u30e2\u30ea\u306e\u30b5\u30a4\u30ba<br \/>\n1-5. \u4eee\u60f3\u30de\u30b7\u30f3\u3078\u5272\u308a\u5f53\u3066\u305f\u30e1\u30e2\u30ea\u306e\u30b5\u30a4\u30ba<br \/>\n1.6. \u7269\u7406\u30c7\u30a3\u30b9\u30af\u306e\u30b5\u30a4\u30ba<br \/>\n1-7. \u4eee\u60f3\u30de\u30b7\u30f3\u3078\u5272\u308a\u5f53\u3066\u305f\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u30b5\u30a4\u30ba<\/li>\n<li>test\u95a2\u6570\u3067KVM\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u7a7a\u304d\u304c\u3042\u308b\u304b\u4ee5\u4e0b\u306e\u5f0f\u3067\u5224\u5b9a\u3059\u308b<br \/>\n1-1. \u3053\u308c\u304b\u3089\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u540d\u524d\u304c\u3001KVM\u30b5\u30fc\u30d0\u4e0a\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u3068\u91cd\u8907\u3057\u306a\u3044<br \/>\n1-2. \u4eee\u60f3CPU\u6570 + \u3053\u308c\u304b\u3089\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306eCPU\u6570 &lt; \u7269\u7406CPU\u306e\u6570<br \/>\n1-3. \u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30e1\u30e2\u30ea\u5408\u8a08 + \u3053\u308c\u304b\u3089\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30e1\u30e2\u30ea &lt; \u7269\u7406\u30e1\u30e2\u30ea\u306e\u30b5\u30a4\u30ba<br \/>\n1-4. \u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\u5408\u8a08 + \u3053\u308c\u304b\u3089\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30dc\u30ea\u30e5\u30fc\u30e0 &lt; \u7269\u7406\u30c7\u30a3\u30b9\u30af\u306e\u30b5\u30a4\u30ba<\/li>\n<li>\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b<br \/>\n3-1. 2\u306etest\u304c\u554f\u984c\u306a\u304b\u3063\u305fKVM\u30b5\u30fc\u30d0\u306e\u4e2d\u304b\u30891\u53f0\u3092\u9078\u3093\u3067\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b<\/li>\n<\/ol>\n<h2 id=\"\u8907\u6570\u53f0\u306e\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\">\u8907\u6570\u53f0\u306e\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b<\/h2>\n<p>\u4eca\u56de\u306fKVM\u30b5\u30fc\u30d0\u304c2\u53f0\u3044\u308b\u306e\u3067\u3001\u30b3\u30fc\u30c9\u3082\u8907\u6570\u53f0\u3078\u306e\u63a5\u7d9a\u306b\u5bfe\u5fdc\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093<\/p>\n<p>\u300c\u307e\u305a\u306f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3001\u52d5\u304b\u3057\u3066\u307f\u3088\u3046\u300d\u3067\u898b\u305f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u3001\u5168\u3066localhost\u306b\u5bfe\u3057\u3066ShellScript\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001Submarine.js\u306f\u8907\u6570\u53f0\u306e\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066ShellScript\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u306e\u969b\u306b\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3057\u3067ssh\u3067\u304d\u308b\u3088\u3046\u30b5\u30fc\u30d0\u306b\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p>\n<p>\u3053\u306e\u3042\u305f\u308a\u306fAnsible\u3068\u540c\u69d8\u3067\u3059<\/p>\n<p>\u8907\u6570\u53f0\u306bSubmarine.js\u3067\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046<br \/>\n\u3053\u308c\u307e\u3067\u7d39\u4ecb\u3057\u305f\u30b3\u30fc\u30c9\u3068\u306e\u9055\u3044\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u30923\u6bb5\u968e\u306b\u5206\u3051\u3066\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>\u307e\u305a\u306f\u3001\u3053\u306e\u8a18\u4e8b\u3067\u4ee5\u524d\u306b\u3082\u7d39\u4ecb\u3057\u305f\u3068\u304a\u308a\u3001Submarine.js\u3092\u62e1\u5f35\u3057\u305f\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059<\/p>\n<pre><code class=\"Kvms.js hljs\"><span class=\"hljs-keyword\">const<\/span> Submarine=<span class=\"hljs-keyword\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> Kvm=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> <\/span>{\r\n\r\n  query(){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      hostname: <span class=\"hljs-string\">'hostname -s'<\/span>,\r\n\r\n      libvirtd: String.raw`\r\n\r\n        virsh version \\\r\n          &gt; \/dev\/<span class=\"hljs-keyword\">null<\/span> \\\r\n        &amp;&amp; <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">'ready'<\/span> \\\r\n        || <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">'not ready'<\/span>\r\n\r\n      `\r\n    };\r\n  }\r\n\r\n  test(stats){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      libvirtd_is_ready: stats.libvirtd === <span class=\"hljs-string\">'ready'<\/span>\r\n    };\r\n  }\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u30db\u30b9\u30c8\u540d\u3068\u3001virsh\u30b3\u30de\u30f3\u30c9\u3067KVM\u95a2\u9023\u306e\u30c4\u30fc\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u53d6\u5f97\u3067\u304d\u308b\u304b\u3092query\u95a2\u6570\u3067\u78ba\u8a8d\u3057\u3001test\u95a2\u6570\u3067KVM\u74b0\u5883\u304c\u6574\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\u3066\u3044\u307e\u3059<br \/>\n\u3053\u3053\u307e\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u7d39\u4ecb\u3057\u305f\u30b3\u30fc\u30c9\u3068\u540c\u3058\u3088\u3046\u306b\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u305f\u90e8\u5206\u3067\u3059<\/p>\n<p>\u305d\u3057\u3066\u3053\u3053\u304b\u3089\u304c\u3001\u5b9a\u7fa9\u3057\u305f\u30af\u30e9\u30b9\u3092\u8907\u6570\u30db\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u3001\u9069\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u90e8\u5206\u3067\u3059<\/p>\n<pre><code class=\"Kvms.js hljs\"><span class=\"hljs-keyword\">const<\/span> Kvms=Submarine.hosts(\r\n  <span class=\"hljs-function\"><span class=\"hljs-params\">host<\/span> =&gt;<\/span> <span class=\"hljs-keyword\">new<\/span> Kvm({\r\n    <span class=\"hljs-attr\">conn<\/span>: <span class=\"hljs-string\">'ssh'<\/span>,\r\n    <span class=\"hljs-attr\">host<\/span>: host\r\n  }),\r\n\r\n  <span class=\"hljs-string\">'ubu1804-kvm1'<\/span>,\r\n  <span class=\"hljs-string\">'ubu1804-kvm2'<\/span>\r\n);\r\n\r\n<\/code><\/pre>\n<p><code>Submarine.hosts( ~ )<\/code>\u3068\u3044\u3046\u95a2\u6570\u306b\u3088\u3063\u3066\u3001\u5b9a\u7fa9\u3057\u305f\u30af\u30e9\u30b9\u3092\u3001\u8907\u6570\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u9069\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u3053\u3067<code>~<\/code>\u306e\u90e8\u5206\u306e2\u756a\u76ee\u4ee5\u964d\u306e\u5f15\u6570\u306b\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u306e\u30db\u30b9\u30c8\u540d(\u3053\u3053\u3067\u306f<code>\/etc\/hosts<\/code>\u3067\u540d\u524d\u89e3\u6c7a\u3057\u3066\u3044\u307e\u3059)\u304bIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u308c\u3089\u304c1\u756a\u76ee\u306e\u5f15\u6570\u3068\u3057\u3066\u4e0e\u3048\u3089\u308c\u305f\u95a2\u6570\u306e\u7b2c\u4e00\u5f15\u6570(\u30b3\u30fc\u30c9\u4e0a\u3067\u306fhost\u3068\u3044\u3046\u5909\u6570)\u306b\u683c\u7d0d\u3055\u308c\u3066\u6e21\u3055\u308c\u308b\u306e\u3067\u3001\u305d\u306ehost\u5909\u6570\u3092\u4f7f\u3063\u3066Kvm\u30af\u30e9\u30b9\u3092new\u3057\u307e\u3059<\/p>\n<p>2\u756a\u76ee\u4ee5\u964d\u306e\u5f15\u6570\u306f\u4f55\u500b\u3067\u3082\u8ffd\u52a0\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u305d\u308c\u3089\u304c\u5897\u3048\u305f\u5206\u3060\u3051\u30011\u756a\u76ee\u306e\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u95a2\u6570\u304c\u547c\u3070\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059<\/p>\n<p>\u3053\u3053\u3067<code>Submarine.hosts( ~ )<\/code>\u306e\u7b2c\u4e00\u5f15\u6570\u306b\u3001\u898b\u6163\u308c\u306a\u3044\u77e2\u5370(=&gt;)\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u304c\u3001JavaScript\u3067\u306f\u3001\u3053\u3046\u3044\u3046\u66f8\u304d\u65b9\u3067\u95a2\u6570\u3092\u8868\u73fe\u3067\u304d\u307e\u3059<br \/>\n\u3053\u308c\u306f<code>function(host){ return new Kvm({ conn: 'ssh', host: host }); }<\/code>\u3068\u66f8\u304f\u306e\u3068\u540c\u3058\u3053\u3068\u3067\u3059<\/p>\n<p>\u3053\u3046\u3057\u3066\u8907\u6570\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3001\u65b0\u305f\u306a\u30af\u30e9\u30b9\u304c\u751f\u6210\u3055\u308c\u307e\u3057\u305f<br \/>\n\u3042\u3068\u306f\u65b0\u3057\u304f\u751f\u6210\u3055\u308c\u305f<code>Kvms<\/code>\u30af\u30e9\u30b9\u3092new\u3057\u3066check\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059<\/p>\n<pre><code class=\"Kvms.js hljs\">const kvms=<span class=\"hljs-keyword\">new<\/span> Kvms();\r\n\r\n\r\nkvms.check()\r\n  .<span class=\"hljs-keyword\">then<\/span>(<span class=\"hljs-built_in\">console<\/span>.log)\r\n  .<span class=\"hljs-keyword\">catch<\/span>(<span class=\"hljs-built_in\">console<\/span>.error);\r\n\r\n<\/code><\/pre>\n<p>\u3053\u3053\u306flocalhost\u3067shell\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u3068\u540c\u3058\u3067\u3001current\u3084correct\u95a2\u6570\u3082\u4f7f\u3048\u307e\u3059<\/p>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u3001check\u95a2\u6570\u306e\u7d50\u679c\u304c\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u306e\u6570\u3060\u3051\u914d\u5217\u306b\u683c\u7d0d\u3055\u308c\u3066\u8868\u793a\u3055\u308c\u307e\u3059<\/p>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/kvm-js-cropped\" rel=\"attachment wp-att-39449\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39449\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/kvm-js-cropped.png\" alt=\"\" width=\"500\" height=\"941\" \/><\/a><\/p>\n<p>\u3053\u308c\u3067\u8907\u6570\u53f0\u306e\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u3001\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f<\/p>\n<h2 id=\"KVM\u30b5\u30fc\u30d0\u306e\u30ea\u30bd\u30fc\u30b9\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\">KVM\u30b5\u30fc\u30d0\u306e\u30ea\u30bd\u30fc\u30b9\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n<p>\u3044\u3088\u3044\u3088\u672c\u683c\u7684\u306bKVM\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n<p>\u3044\u304d\u306a\u308aSubmarine.js\u306bquery\u3092\u66f8\u3044\u3066\u3044\u3063\u3066\u3082\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u3001KVM\u30b5\u30fc\u30d0\u4e0a\u3067\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089ShellScript\u3092\u4f5c\u6210\u3057\u3066\u3044\u304f\u3053\u3068\u306b\u3057\u307e\u3059<\/p>\n<h3 id=\"\u4eee\u60f3\u30de\u30b7\u30f3\u540d\u306e\u4e00\u89a7\u3092\u53d6\u5f97\">\u4eee\u60f3\u30de\u30b7\u30f3\u540d\u306e\u4e00\u89a7\u3092\u53d6\u5f97<\/h3>\n<p>\u65b0\u3057\u304f\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u3001\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u540d\u304c\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001KVM\u30b5\u30fc\u30d0\u304b\u3089\u4eee\u60f3\u30de\u30b7\u30f3\u4e00\u89a7\u3092\u53d6\u5f97\u3057\u307e\u3059<\/p>\n<p>\u53d6\u5f97\u3059\u308b\u30b3\u30de\u30f3\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059<\/p>\n<pre><code class=\"vms.sh hljs\">sudo virsh <span class=\"hljs-built_in\">list<\/span> \\\r\n  --name \\\r\n  --all \\\r\n|grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n\r\n<span class=\"hljs-built_in\">exit<\/span> <span class=\"hljs-number\">0<\/span>\r\n<\/code><\/pre>\n<h3 id=\"CPU\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97\">CPU\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97<\/h3>\n<p>\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306b\u3001\u4ee5\u4e0b\u306eCPU\u30ea\u30bd\u30fc\u30b9\u306b\u95a2\u3059\u308b\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p>\n<pre><code>(1)\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306eCPU\u306e\u6570 + \u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306eCPU &lt; (2)\u7269\u7406CPU\u306e\u6570\r\n<\/code><\/pre>\n<p>(1)(2)\u306e\u305d\u308c\u305e\u308c\u3092\u53d6\u5f97\u3059\u308bShellScript\u3092\u66f8\u304f\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u3059<\/p>\n<ul>\n<li>(1)\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306eCPU\u306e\u6570\n<pre><code class=\"vcpus.sh hljs\">vcpus=0\r\n\r\n<span class=\"hljs-keyword\">for<\/span> vm <span class=\"hljs-keyword\">in<\/span> $(\r\n  sudo virsh list \\\r\n    --name \\\r\n    --all \\\r\n  |grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n);<span class=\"hljs-keyword\">do<\/span>\r\n  vcpus=$(( <span class=\"hljs-variable\">$vcpus<\/span> + $(\r\n    sudo virsh dumpxml \\\r\n      <span class=\"hljs-variable\">$vm<\/span> \\\r\n    |grep <span class=\"hljs-string\">\"&lt;vcpu .*&lt;\/vcpu&gt;\"<\/span> \\\r\n    |sed -e <span class=\"hljs-string\">\"s\/^.*&lt;vcpu .*&gt;\\([0-9]*\\)&lt;\\\/vcpu&gt;$\/\\1\/g\"<\/span> \r\n  ) ))\r\n<span class=\"hljs-keyword\">done<\/span>\r\n\r\n<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-variable\">$vcpus<\/span>\r\n<\/code><\/pre>\n<\/li>\n<li>(2)\u7269\u7406CPU\u306e\u6570\n<pre><code class=\"cpus.sh hljs\"><span class=\"hljs-attribute\">virsh<\/span> nodeinfo \\\r\n|grep <span class=\"hljs-string\">\"^CPU(s):\"<\/span> \\\r\n|awk <span class=\"hljs-string\">'{print <span class=\"hljs-variable\">$2<\/span>}'<\/span>\r\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3 id=\"\u30e1\u30e2\u30ea\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97\">\u30e1\u30e2\u30ea\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97<\/h3>\n<p>\u30e1\u30e2\u30ea\u306b\u95a2\u3057\u3066\u3082\u3001CPU\u3068\u540c\u69d8\u306e\u5236\u7d04\u304c\u3042\u308a\u307e\u3059<\/p>\n<pre><code>(1)\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30e1\u30e2\u30ea + \u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30e1\u30e2\u30ea &lt; (2)\u7269\u7406\u30e1\u30e2\u30ea\r\n<\/code><\/pre>\n<p>\u3053\u308c\u3082(1)(2)\u3092\u53d6\u5f97\u3059\u308bShellScript\u3092\u66f8\u304d\u307e\u3059<\/p>\n<ul>\n<li>(1)\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30e1\u30e2\u30ea\n<pre><code class=\"vmemMB.sh hljs\">vmemMB=0\r\n\r\n<span class=\"hljs-keyword\">for<\/span> vm <span class=\"hljs-keyword\">in<\/span> $(\r\n  sudo virsh list \\\r\n    --name \\\r\n    --all \\\r\n  |grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n);<span class=\"hljs-keyword\">do<\/span>\r\n  vmemMB=$(( <span class=\"hljs-variable\">$vmemMB<\/span> + $(\r\n    sudo virsh dumpxml \\\r\n      <span class=\"hljs-variable\">$vm<\/span> \\\r\n    |grep <span class=\"hljs-string\">\"&lt;memory .*unit='KiB'.*&lt;\/memory&gt;$\"<\/span> \\\r\n    |sed -e <span class=\"hljs-string\">\"s\/^.*&gt;\\([0-9]*\\)&lt;.*$\/\\1\/g\"<\/span>\r\n  ) \/ 1024 ))\r\n<span class=\"hljs-keyword\">done<\/span>\r\n\r\n<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-variable\">$vmemMB<\/span>\r\n<\/code><\/pre>\n<\/li>\n<li>(2)\u7269\u7406\u30e1\u30e2\u30ea\n<pre><code class=\"memMB.sh hljs\">echo $(( $(\r\n  virsh \\\r\n    nodememstats \\\r\n  |grep <span class=\"hljs-string\">\"^total\\s*:\"<\/span> \\\r\n  |awk <span class=\"hljs-string\">'{print $3}'<\/span>\r\n) \/ <span class=\"hljs-number\">1024<\/span> ))\r\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3 id=\"\u30dc\u30ea\u30e5\u30fc\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97\">\u30dc\u30ea\u30e5\u30fc\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97<\/h3>\n<p>\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u5834\u5408\u3082CPU\u3001\u30e1\u30e2\u30ea\u3068\u540c\u69d8\u3067\u3059<\/p>\n<pre><code>(1)\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30dc\u30ea\u30e5\u30fc\u30e0 + \u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30dc\u30ea\u30e5\u30fc\u30e0 &lt; (2)\u7269\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\r\n<\/code><\/pre>\n<ul>\n<li>(1)\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\n<pre><code class=\"vvolGB.sh hljs\">vvolGB=0\r\n\r\n<span class=\"hljs-keyword\">for<\/span> vm <span class=\"hljs-keyword\">in<\/span> $(\r\n  sudo virsh list \\\r\n    --name \\\r\n    --all \\\r\n  |grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n);<span class=\"hljs-keyword\">do<\/span>\r\n  vvolGB=$(( <span class=\"hljs-variable\">$vvolGB<\/span> + $(\r\n    sudo qemu-img info $(\r\n      sudo virsh dumpxml \\\r\n        <span class=\"hljs-variable\">$vm<\/span> \\\r\n      |grep <span class=\"hljs-string\">\"&lt;source file='.*'\/&gt;\"<\/span> \\\r\n      |sed -e  <span class=\"hljs-string\">\"s\/&lt;source file='\\(.*\\)'\\\/&gt;\/\\1\/g\"<\/span>\r\n    ) \\\r\n    |grep <span class=\"hljs-string\">\"^virtual size: \"<\/span> \\\r\n    |sed -e <span class=\"hljs-string\">\"s\/^virtual size: .*(\\([0-9]*\\) bytes)$\/\\1\/g\"<\/span>\r\n  ) \/1024 \/1024 \/1024 ))\r\n<span class=\"hljs-keyword\">done<\/span>\r\n\r\n<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-variable\">$vvolGB<\/span>\r\n<\/code><\/pre>\n<\/li>\n<li>(2)\u7269\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\n<pre><code class=\"volGB.sh hljs\">echo $(( $(\r\n  cd \/<span class=\"hljs-keyword\">var<\/span>\/lib\/libvirt\/images \\\r\n    &amp;&amp; df -P . \\\r\n  |grep -v <span class=\"hljs-string\">\"^File\"<\/span> \\\r\n  |awk <span class=\"hljs-string\">'{print $3 + $4}'<\/span>\r\n) \/<span class=\"hljs-number\">1024<\/span> \/<span class=\"hljs-number\">1024<\/span> ))\r\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<p><span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-variable\">$vvolGB<\/span><\/p>\n<h3 id=\"KVM\u306e\u30ea\u30bd\u30fc\u30b9\u3092query\u3067\u53d6\u5f97\u3059\u308b\">KVM\u306e\u30ea\u30bd\u30fc\u30b9\u3092query\u3067\u53d6\u5f97\u3059\u308b<\/h3>\n<p>\u3059\u3067\u306b\u5404\u7a2e\u30ea\u30bd\u30fc\u30b9\u72b6\u6cc1\u3092\u53d6\u5f97\u3059\u308bShellScript\u306f\u66f8\u3051\u305f\u306e\u3067\u3001\u3053\u308c\u3089\u3092query\u95a2\u6570\u306e\u623b\u308a\u5024\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308c\u3070\u3001query\u306e\u5b8c\u6210\u3067\u3059<\/p>\n<p>query\u95a2\u6570\u304c\u9577\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u305d\u3053\u307e\u3067\u8aad\u307f\u306b\u304f\u304f\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059<\/p>\n<pre><code class=\"QueryKvm.js hljs\">const Submarine=<span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n\r\n\r\nconst QueryKvm=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> {<\/span>\r\n\r\n  query(){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      hostname: <span class=\"hljs-string\">'hostname -s'<\/span>,\r\n\r\n\r\n      vms: String.raw`<span class=\"javascript\">\r\n        sudo virsh list \\\r\n          --name \\\r\n          --all \\\r\n        |grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n\r\n        exit <span class=\"hljs-number\">0<\/span>\r\n      <\/span>`,\r\n\r\n      cpus: String.raw`<span class=\"javascript\">\r\n        virsh nodeinfo \\\r\n         |grep <span class=\"hljs-string\">\"CPU(s):\"<\/span> \\\r\n         |awk <span class=\"hljs-string\">'{print $2}'<\/span>\r\n      <\/span>`,\r\n\r\n      vcpus: String.raw`<span class=\"javascript\">\r\n        vcpus=<span class=\"hljs-number\">0<\/span>\r\n\r\n        <span class=\"hljs-keyword\">for<\/span> vm <span class=\"hljs-keyword\">in<\/span> $(\r\n          sudo virsh list \\\r\n            --name \\\r\n            --all \\\r\n          |grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n        );<span class=\"hljs-keyword\">do<\/span>\r\n          vcpus=$(( $vcpus + $(\r\n            sudo virsh dumpxml \\\r\n              $vm \\\r\n            |grep <span class=\"hljs-string\">\"&lt;vcpu .*&lt;\/vcpu&gt;\"<\/span> \\\r\n            |sed -e <span class=\"hljs-string\">\"s\/^.*&lt;vcpu .*&gt;\\([0-9]*\\)&lt;\\\/vcpu&gt;$\/\\1\/g\"<\/span>\r\n          ) ))\r\n        done\r\n\r\n        echo $vcpus\r\n      <\/span>`,\r\n\r\n      memMB: String.raw`<span class=\"javascript\">\r\n        echo $(( $(virsh \\\r\n            nodememstats \\\r\n          |grep <span class=\"hljs-string\">\"^total\\s*:\"<\/span> \\\r\n          |awk <span class=\"hljs-string\">'{print $3}'<\/span>\r\n        ) \/ <span class=\"hljs-number\">1024<\/span> ))\r\n      <\/span>`,\r\n\r\n      vmemMB: String.raw`<span class=\"javascript\">\r\n        vmemMB=<span class=\"hljs-number\">0<\/span>\r\n\r\n        <span class=\"hljs-keyword\">for<\/span> vm <span class=\"hljs-keyword\">in<\/span> $(\r\n          sudo virsh list \\\r\n            --name \\\r\n            --all \\\r\n          |grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n        );<span class=\"hljs-keyword\">do<\/span>\r\n          vmemMB=$(( $vmemMB + $(\r\n            sudo virsh dumpxml \\\r\n              $vm \\\r\n            |grep <span class=\"hljs-string\">\"&lt;memory .*unit='KiB'.*&lt;\/memory&gt;$\"<\/span> \\\r\n            |sed -e <span class=\"hljs-string\">\"s\/^.*&gt;\\([0-9]*\\)&lt;.*$\/\\1\/g\"<\/span>\r\n          ) \/ <span class=\"hljs-number\">1024<\/span> ))\r\n        done\r\n\r\n        echo $vmemMB\r\n      <\/span>`,\r\n\r\n      volGB: String.raw`<span class=\"javascript\">\r\n        echo $(( $(\r\n          cd \/<span class=\"hljs-keyword\">var<\/span>\/lib\/libvirt\/images \\\r\n            &amp;&amp; df -P . \\\r\n          |grep -v <span class=\"hljs-string\">\"^File\"<\/span> \\\r\n          |awk <span class=\"hljs-string\">'{print $3 + $4}'<\/span>\r\n        ) \/<span class=\"hljs-number\">1024<\/span> \/<span class=\"hljs-number\">1024<\/span> ))\r\n      <\/span>`,\r\n\r\n      vvolGB: String.raw`<span class=\"javascript\">\r\n        vvolGB=<span class=\"hljs-number\">0<\/span>\r\n\r\n        <span class=\"hljs-keyword\">for<\/span> vm <span class=\"hljs-keyword\">in<\/span> $(\r\n          sudo virsh list \\\r\n            --name \\\r\n            --all \\\r\n          |grep -v <span class=\"hljs-string\">\"^\\s*$\"<\/span>\r\n        );<span class=\"hljs-keyword\">do<\/span>\r\n          vvolGB=$(( $vvolGB + $(\r\n            sudo qemu-img info $(\r\n              sudo virsh dumpxml \\\r\n                $vm \\\r\n              |grep <span class=\"hljs-string\">\"&lt;source file='.*'\/&gt;\"<\/span> \\\r\n              |sed -e  <span class=\"hljs-string\">\"s\/&lt;source file='\\(.*\\)'\\\/&gt;\/\\1\/g\"<\/span>\r\n            ) \\\r\n            |grep <span class=\"hljs-string\">\"^virtual size: \"<\/span> \\\r\n            |sed -e <span class=\"hljs-string\">\"s\/^virtual size: .*(\\([0-9]*\\) bytes)$\/\\1\/g\"<\/span>\r\n          ) \/<span class=\"hljs-number\">1024<\/span> \/<span class=\"hljs-number\">1024<\/span> \/<span class=\"hljs-number\">1024<\/span> ))\r\n        done\r\n\r\n        echo $vvolGB\r\n      <\/span>`,\r\n\r\n    };\r\n  }\r\n\r\n\r\n}\r\n\r\n\r\nconst QueryKvms=Submarine.hosts(\r\n  host =&gt; <span class=\"hljs-keyword\">new<\/span> QueryKvm({\r\n    conn: <span class=\"hljs-string\">'ssh'<\/span>,\r\n    host: host,\r\n  }),\r\n\r\n  <span class=\"hljs-string\">'ubu1804-kvm1'<\/span>,\r\n  <span class=\"hljs-string\">'ubu1804-kvm2'<\/span>\r\n);\r\n\r\n\r\nconst querykvms=<span class=\"hljs-keyword\">new<\/span> QueryKvms();\r\n\r\n\r\nquerykvms.current()\r\n  .<span class=\"hljs-keyword\">then<\/span>(<span class=\"hljs-built_in\">console<\/span>.log)\r\n  .<span class=\"hljs-keyword\">catch<\/span>(<span class=\"hljs-built_in\">console<\/span>.error);\r\n\r\n<\/code><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u3053\u3093\u306a\u611f\u3058<\/p>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/query-kvms-js-cropped\" rel=\"attachment wp-att-39456\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39456\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/query-kvms-js-cropped.png\" alt=\"\" width=\"500\" height=\"254\" \/><\/a><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u5168\u4f53\u3092\u5b9f\u88c5\u3059\u308b\u524d\u306bquery\u3060\u3051\u66f8\u3044\u3066\u624b\u8efd\u306b\u52d5\u4f5c\u3092\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3082Submarine.js\u306e\u5229\u70b9\u3067\u3059\u306d<\/p>\n<h2 id=\"\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3067\u304d\u308b\u304b\u3069\u3046\u304btest\u3059\u308b\">\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3067\u304d\u308b\u304b\u3069\u3046\u304btest\u3059\u308b<\/h2>\n<p>\u6b21\u306fquery\u95a2\u6570\u3067\u53d6\u5f97\u3057\u305f\u5024\u3092\u3082\u3068\u306b\u3001KVM\u30b5\u30fc\u30d0\u306b\u4eee\u60f3\u30de\u30b7\u30f3\u304c\u4f5c\u6210\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306etest\u3092\u5b9f\u88c5\u3057\u307e\u3059<\/p>\n<p>\u4eca\u56de\u3001\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b9\u30da\u30c3\u30af\u3067\u3059<\/p>\n<ul>\n<li>\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\n<pre><code>OS : CentOS7\r\ncpu: 2 cores\r\n\u30e1\u30e2\u30ea : 1GB\r\n\u30c7\u30a3\u30b9\u30af : 12GB\r\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<p>\u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306b\u5bfe\u3057\u3066\u3001KVM\u30ea\u30bd\u30fc\u30b9\u306b\u7a7a\u304d\u304c\u3042\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3001test\u95a2\u6570\u306fquery\u95a2\u6570\u307b\u3069\u9577\u304f\u306a\u3089\u305a\u306b\u6e08\u307f\u307e\u3059<\/p>\n<p>\u5148\u307b\u3069\u306e<code>QueryKvms.js<\/code>\u306btest\u95a2\u6570\u3092\u8ffd\u52a0\u3057\u307e\u3059<\/p>\n<pre><code class=\"TestKvms.js hljs\"><span class=\"hljs-keyword\">const<\/span> Submarine=<span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> TestKvm=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> <\/span>{\r\n\r\n  query(){\r\n      ...\r\n  }\r\n\r\n  getVmSpecs(){\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'test-centos7-002'<\/span>,\r\n      <span class=\"hljs-attr\">vcpus<\/span>: <span class=\"hljs-number\">2<\/span>,\r\n      <span class=\"hljs-attr\">vmemMB<\/span>: <span class=\"hljs-number\">1024<\/span>,\r\n      <span class=\"hljs-attr\">vvolGB<\/span>: <span class=\"hljs-number\">12<\/span>,\r\n    };\r\n  }\r\n  test(stats){\r\n    <span class=\"hljs-keyword\">const<\/span> vm=<span class=\"hljs-keyword\">this<\/span>.getVmSpecs();\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> {\r\n      <span class=\"hljs-attr\">vm_name_available<\/span>:\r\n        <span class=\"hljs-keyword\">typeof<\/span> stats.vms === <span class=\"hljs-string\">'string'<\/span>\r\n          ? !(stats.vms ===  vm.name)\r\n        : <span class=\"hljs-built_in\">Array<\/span>.isArray(stats.vms)\r\n          ? !stats.vms.includes(vm.name)\r\n        : <span class=\"hljs-literal\">false<\/span>,\r\n      <span class=\"hljs-attr\">cpus_available<\/span>:\r\n        stats.vcpus*<span class=\"hljs-number\">1<\/span> + vm.vcpus &lt; stats.cpus,\r\n      <span class=\"hljs-attr\">mem_available<\/span>:\r\n        stats.vmemMB*<span class=\"hljs-number\">1<\/span> + vm.vmemMB &lt; stats.memMB,\r\n      <span class=\"hljs-attr\">vol_available<\/span>:\r\n        stats.vvolGB*<span class=\"hljs-number\">1<\/span> + vm.vvolGB &lt; stats.volGB,\r\n    };\r\n  }\r\n\r\n}\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> TestKvms=Submarine.hosts(\r\n  <span class=\"hljs-function\"><span class=\"hljs-params\">host<\/span> =&gt;<\/span> <span class=\"hljs-keyword\">new<\/span> TestKvm({\r\n    <span class=\"hljs-attr\">conn<\/span>: <span class=\"hljs-string\">'ssh'<\/span>,\r\n    <span class=\"hljs-attr\">host<\/span>: host,\r\n  }),\r\n\r\n  <span class=\"hljs-string\">'ubu1804-kvm1'<\/span>,\r\n  <span class=\"hljs-string\">'ubu1804-kvm2'<\/span>\r\n);\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> testkvms=<span class=\"hljs-keyword\">new<\/span> TestKvms();\r\n\r\n\r\ntestkvms.check()\r\n  .then(<span class=\"hljs-built_in\">console<\/span>.log)\r\n  .catch(<span class=\"hljs-built_in\">console<\/span>.error);\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067test\u95a2\u6570\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u623b\u308a\u5024\u306b\u3064\u3044\u3066\u3001\u88dc\u8db3\u8aac\u660e\u3057\u3066\u304a\u304d\u307e\u3059<\/p>\n<ul>\n<li><code>vm_name_available<\/code><br \/>\n\u4eee\u60f3\u30de\u30b7\u30f3\u540d\u304c\u91cd\u8907\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3059\u308b\u9805\u76ee<br \/>\nSubmarine.js\u306e\u4ed5\u69d8\u4e0a\u3001KVM\u4e0a\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u304c1\u53f0\u306e\u3068\u304d\u306b\u306fstdout\u306f1\u884c\u3068\u306a\u308b\u305f\u3081query\u95a2\u6570\u306e\u7d50\u679c\u306f\u6587\u5b57\u5217\u30012\u53f0\u4ee5\u4e0a\u306e\u3068\u304d\u306b\u306f\u6539\u884c\u533a\u5207\u308a\u306e\u914d\u5217\u3068\u306a\u308b\u305f\u3081\u3001\u4e21\u30d1\u30bf\u30fc\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b<code>stats.vms<\/code>\u304c\u6587\u5b57\u5217\u306e\u5834\u5408\u3068\u914d\u5217\u306e\u5834\u5408\u3067\u3001\u305d\u308c\u305e\u308c\u30c6\u30b9\u30c8\u3059\u308b\u6761\u4ef6\u3092\u5909\u3048\u3066\u3044\u307e\u3059<\/li>\n<li><code>cpu_available<\/code><br \/>\n<code>\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306evcpu\u6570\u5408\u8a08(stats.vcpus) + \u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306evcpu\u6570(vm.vcpus) &lt; KVM\u30b5\u30fc\u30d0\u306e\u7269\u7406CPU\u6570(stats.cpus)<\/code>\u3068\u3044\u3046\u5f0f\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002query\u95a2\u6570\u306e\u7d50\u679c\u306f\u5168\u3066\u6587\u5b57\u5217\u3067\u8fd4\u3055\u308c\u308b\u305f\u3081<code>stats.vcpus(\u6587\u5b57\u5217)<\/code>\u306b\u5bfe\u3057\u30661\u3092\u304b\u3051\u308b(<code>*1<\/code>)\u3053\u3068\u3067\u6570\u5b57\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059<br \/>\n<code>mem_available<\/code>,<code>vol_available<\/code>\u3082\u540c\u69d8<\/li>\n<\/ul>\n<p>\u307e\u305f<code>getVmSpecs<\/code>\u3068\u3044\u3046\u95a2\u6570\u3067\u3001\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30b9\u30da\u30c3\u30af\u3092\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30b9\u30da\u30c3\u30af\u3092\u5909\u3048\u305f\u3044\u3068\u304d\u306b\u306f\u3001\u3053\u306e\u95a2\u6570\u3092\u4fee\u6b63\u3059\u308b\u3060\u3051\u3067\u6e08\u3080\u306e\u3067\u3001\u72ec\u7acb\u3057\u3066\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>\u3042\u305f\u307e\u306b<code>this<\/code>\u3092\u3064\u3051\u3066\u5b9f\u884c\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u95a2\u6570\u304c<code>\u3053\u306e<\/code>\u30af\u30e9\u30b9\u306e\u3082\u306e\u3067\u3059\u3088\u3001\u3068\u3044\u3046\u7a0b\u5ea6\u306e\u610f\u5473\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u3042\u307e\u308a\u6c17\u306b\u3057\u306a\u304f\u3066\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002\u30af\u30e9\u30b9\u5185\u3067\u540c\u3058\u30af\u30e9\u30b9\u306e\u95a2\u6570\u3092\u547c\u3076\u3068\u304d\u306b\u306f\u3001\u982d\u306b<code>this<\/code>\u3092\u4ed8\u3051\u308b\u3093\u3060\u3001\u7a0b\u5ea6\u306e\u7406\u89e3\u3067\u5927\u4e08\u592b\u3067\u3059<\/p>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059<\/p>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/test-kvms-js-cropped\" rel=\"attachment wp-att-39458\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39458\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/test-kvms-js-cropped.png\" alt=\"\" width=\"500\" height=\"572\" \/><\/a><\/p>\n<p><code>ubu1804-kvm1<\/code>\u306b\u306f\u3001\u5148\u307b\u3069\u4f5c\u6210\u3057\u305f<code>test-centos7-001<\/code>\u3068\u3044\u3046\u4eee\u60f3\u30de\u30b7\u30f3\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u305f\u3081\u3001<code>ubu1804-kvm2<\/code>\u3068\u306ftest\u7d50\u679c\u304c\u7570\u306a\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u306f<code>ubu1804-kvm2<\/code>\u306e\u65b9\u306b\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u306e\u5b9f\u88c5\u304c\u5b8c\u4e86\u3057\u307e\u3059<\/p>\n<h2 id=\"\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b\">\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b<\/h2>\n<p>\u3088\u3046\u3084\u304f\u3001\u5b9f\u969b\u306b\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3068\u3053\u308d\u307e\u3067\u6f15\u304e\u3064\u3051\u307e\u3057\u305f<\/p>\n<p>test\u95a2\u6570\u3067\u3001KVM\u30b5\u30fc\u30d0\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u7a7a\u304d\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3053\u308d\u307e\u3067\u306f\u3067\u304d\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3042\u3068\u306f\u3001\u7a7a\u3044\u3066\u3044\u308bKVM\u306e\u4e2d\u304b\u30891\u53f0\u3092\u9078\u3093\u3067\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u3078\u6d41\u3059\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3001\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u306e\u5b8c\u6210\u3067\u3059<\/p>\n<p>\u307e\u305a\u306f\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092Submarine.js\u306b\u5b9f\u88c5\u3057\u307e\u3057\u3087\u3046<\/p>\n<pre><code class=\"CreateVm.js hljs\"><span class=\"hljs-keyword\">const<\/span> Submarine=<span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'v1.1\/Submarine'<\/span>);\r\n\r\n\r\n<span class=\"hljs-keyword\">const<\/span> AllocateVm=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span> <\/span>{\r\n\r\n  query(){\r\n    ...\r\n  }\r\n\r\n  getVmSpecs(){\r\n    ...\r\n  }\r\n  test(stats){\r\n    ...\r\n  }\r\n  \r\n  batch(){\r\n    <span class=\"hljs-keyword\">const<\/span> vm=<span class=\"hljs-keyword\">this<\/span>.getVmSpecs();\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">String<\/span>.raw<span class=\"hljs-string\">`\r\n      dir=\/var\/submarine\/isos\r\n\r\n      sudo mkdir -p \\\r\n        $dir\r\n\r\n      sudo test -r \\\r\n        $dir\/CentOS-7-x86_64-Minimal-1908.iso \\\r\n      || sudo curl -sL \\\r\n        -o $dir\/CentOS-7-x86_64-Minimal-1908.iso \\\r\n      http:\/\/ftp.riken.jp\/Linux\/centos\/7\/isos\/x86_64\/CentOS-7-x86_64-Minimal-1908.iso \\\r\n\r\n      sudo virt-install \\\r\n        --name <span class=\"hljs-subst\">${vm.name}<\/span> \\\r\n        --vcpu <span class=\"hljs-subst\">${vm.vcpus}<\/span> \\\r\n        --memory <span class=\"hljs-subst\">${vm.vmemMB}<\/span> \\\r\n        --disk size=<span class=\"hljs-subst\">${vm.vvolGB}<\/span> \\\r\n        --noautoconsole \\\r\n        --nographics \\\r\n        --location \\\r\n          $dir\/CentOS-7-x86_64-Minimal-1908.iso \\\r\n        --extra-args \\\r\n          'console=tty0 console=ttyS0,115200n8'\r\n    `<\/span>;\r\n  }\r\n\r\n\r\n}\r\n\r\n\r\n<\/code><\/pre>\n<p><code>AllocateVm<\/code>\u3068\u3044\u3046\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002query\u3068test\u306f\u524d\u3068\u5909\u308f\u3089\u305a\u3067\u3059<\/p>\n<p>\u3053\u3053\u3067\u65b0\u3057\u304f<code>batch<\/code>\u3068\u3044\u3046\u95a2\u6570\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002\u300c\u30b5\u30fc\u30d0\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u306b\u306f<code>command<\/code>\u95a2\u6570\u3092\u4f7f\u3046\u300d\u3068\u3053\u306e\u8a18\u4e8b\u306e\u524d\u534a\u3067\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u3067\u306f<code>batch<\/code>\u95a2\u6570\u3068\u3044\u3046\u3082\u306e\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059<\/p>\n<p><code>command<\/code>\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u308b\u6761\u4ef6\u3092\u3001\u3082\u3046\u4e00\u5ea6\u78ba\u8a8d\u3057\u307e\u3057\u3059\u3068\u300c\u30c6\u30b9\u30c8\u304c1\u3064\u3067\u3082\u5931\u6557(false)\u306e\u5834\u5408\u300d\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u4eca\u56de\u306f\u300cKVM\u30ea\u30bd\u30fc\u30b9\u306b\u7a7a\u304d\u304c\u3042\u308b=\u5168\u3066\u306e\u30c6\u30b9\u30c8\u304c\u6210\u529f(true)\u300d\u306a\u306e\u3067\u3001<code>command<\/code>\u95a2\u6570\u3092\u3053\u3053\u3067\u4f7f\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u672c\u6765\u5b9f\u884c\u3057\u3066\u307b\u3057\u3044\u30b5\u30fc\u30d0\u3067\u5b9f\u884c\u3055\u308c\u305a\u3001\u5b9f\u884c\u3057\u3066\u307b\u3057\u304f\u306a\u3044\u30b5\u30fc\u30d0\u3067\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059<\/p>\n<p>\u305d\u3053\u3067Submarine.js\u306b\u306f\u300c\u30c6\u30b9\u30c8\u304c\u5168\u3066\u6210\u529f(true)\u306e\u3068\u304d\u306b\u5b9f\u884c\u3055\u308c\u308b\u300d<code>batch<\/code>\u95a2\u6570\u3068\u3044\u3046\u3082\u306e\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<code>command<\/code>\u95a2\u6570\u3068\u306f\u9006\u306e\u6761\u4ef6\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059<\/p>\n<p>\u3053\u308c\u306f\u307e\u3055\u306b\u3001\u300c\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u524d\u63d0\u6761\u4ef6\u3092\u5168\u3066\u6e80\u305f\u3057\u305f\u5834\u5408\u306e\u307f\u3001\u30d0\u30c3\u30c1\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u610f\u56f3\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n<p>\u307e\u305f<code>command<\/code>\u95a2\u6570\u306f<code>correct(=\u4fee\u6b63\u3059\u308b)<\/code>\u95a2\u6570\u3067\u5b9f\u884c\u3057\u307e\u3057\u305f\u304c\u3001<code>batch<\/code>\u95a2\u6570\u306f<code>call(\u547c\u3076)<\/code>\u3068\u3044\u3046\u95a2\u6570\u3067\u5b9f\u884c\u3057\u307e\u3059<\/p>\n<p>\u3055\u3089\u306b\u3082\u3046\u4e00\u3064\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u306e\u306b\u3001\u307e\u3060\u7d39\u4ecb\u3057\u3066\u3044\u306a\u3044\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u4f7f\u3044\u307e\u3059<\/p>\n<pre><code class=\"CreateVm.js hljs\"><span class=\"hljs-keyword\">const<\/span> CreateVm=<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title\">Submarine<\/span>.<span class=\"hljs-title\">hosts<\/span>(\r\n  <span class=\"hljs-title\">host<\/span> <\/span>=&gt; <span class=\"hljs-keyword\">new<\/span> AllocateVm({\r\n    <span class=\"hljs-attr\">conn<\/span>: <span class=\"hljs-string\">'ssh'<\/span>,\r\n    <span class=\"hljs-attr\">host<\/span>: host,\r\n  }),\r\n\r\n  <span class=\"hljs-string\">'ubu1804-kvm1'<\/span>,\r\n  <span class=\"hljs-string\">'ubu1804-kvm2'<\/span>\r\n){\r\n  complex(exams){\r\n    <span class=\"hljs-keyword\">let<\/span> selected=<span class=\"hljs-literal\">false<\/span>;\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> exams.map(\r\n      <span class=\"hljs-function\">(<span class=\"hljs-params\">exam<\/span>)=&gt;<\/span>{\r\n        <span class=\"hljs-keyword\">if<\/span>(\r\n          exam.ok\r\n          &amp;&amp; selected == <span class=\"hljs-literal\">false<\/span>\r\n        ){\r\n          exam.tests.isTarget = <span class=\"hljs-literal\">true<\/span>;\r\n          exam.good++;\r\n          exam.total++;\r\n\r\n          selected = <span class=\"hljs-literal\">true<\/span>;\r\n        }<span class=\"hljs-keyword\">else<\/span>{\r\n          exam.tests.isTarget = <span class=\"hljs-literal\">false<\/span>;\r\n          exam.bad++;\r\n          exam.total++;\r\n          exam.ok = <span class=\"hljs-literal\">false<\/span>;\r\n        }\r\n\r\n        <span class=\"hljs-keyword\">return<\/span> exam;\r\n      }\r\n    );\r\n  }\r\n};\r\n<\/code><\/pre>\n<p>\u3053\u308c\u307e\u3067<code>Submarine.host<\/code>\u95a2\u6570\u306f\u5358\u4f53\u3067\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u3067\u306f<code>Submarine.host<\/code>\u95a2\u6570\u304c\u8fd4\u3057\u305f\u30af\u30e9\u30b9\u3092\u3001\u3055\u3089\u306b\u62e1\u5f35\u3057\u3066<code>complex<\/code>\u3068\u3044\u3046\u95a2\u6570\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>\u3053\u308c\u307e\u3067Submarine.js\u3067\u306fquery\u3084test\u306f\u3001\u63a5\u7d9a\u5148\u306e\u30b5\u30fc\u30d0\u3054\u3068\u306b\u72ec\u7acb\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u306e<code>complex<\/code>\u3068\u3044\u3046\u95a2\u6570\u306f\u3001\u3042\u308b\u30b5\u30fc\u30d0\u306e\u30c6\u30b9\u30c8\u7d50\u679c\u3092\u5225\u306e\u30b5\u30fc\u30d0\u306e\u30c6\u30b9\u30c8\u7d50\u679c\u306b\u53cd\u6620\u3057\u305f\u3044\u5834\u5408\u306b\u5229\u7528\u3057\u307e\u3059<\/p>\n<p>\u4eca\u56de\u5b9f\u88c5\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u6a5f\u80fd\u306f\u300c2\u53f0\u306eKVM\u30b5\u30fc\u30d0\u306e\u3046\u3061\u3001\u7a7a\u3044\u3066\u3044\u308b\u30db\u30b9\u30c8\u30921\u53f0\u9078\u629e\u3057\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u304c\u30012\u53f0\u3068\u3082\u30ea\u30bd\u30fc\u30b9\u306b\u7a7a\u304d\u304c\u3042\u308a<code>complex<\/code>\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u306f\u30012\u53f0\u3068\u3082\u306b\u540c\u3058\u4eee\u60f3\u30de\u30b7\u30f3\u304c\u4f5c\u6210\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059<\/p>\n<p>\u3053\u308c\u3092\u907f\u3051\u308b\u305f\u3081\u30012\u53f0\u3068\u3082\u30c6\u30b9\u30c8\u304c\u6210\u529f\u3057\u305f(\u30ea\u30bd\u30fc\u30b9\u306b\u7a7a\u304d\u304c\u3042\u308b)\u5834\u5408\u306b\u306f\u3001\u3069\u3061\u3089\u304b1\u53f0\u3060\u3051\u9078\u629e\u3057\u3001\u6b8b\u308a\u306e1\u53f0\u306e\u30c6\u30b9\u30c8\u306f\u5931\u6557\u306b\u306a\u308b\u3088\u3046\u3001<code>complex<\/code>\u95a2\u6570\u5185\u3067\u3001\u30c6\u30b9\u30c8\u7d50\u679c\u306b\u60c5\u5831\u3092\u8ffd\u52a0\u3057\u3066\u3044\u308b\u306e\u3067\u3059(<code>isTarget<\/code>\u3068\u3044\u3046\u30c6\u30b9\u30c8\u9805\u76ee\u3092\u8ffd\u52a0\u3057\u30012\u3064\u4ee5\u4e0a\u306ftrue\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059)<\/p>\n<pre><code class=\"CreateVm.js hljs\">const createvm=<span class=\"hljs-keyword\">new<\/span> CreateVm();\r\n\r\n\r\ncreatevm.call()\r\n  .<span class=\"hljs-keyword\">then<\/span>(<span class=\"hljs-built_in\">console<\/span>.log)\r\n  .<span class=\"hljs-keyword\">catch<\/span>(<span class=\"hljs-built_in\">console<\/span>.error);\r\n<\/code><\/pre>\n<p>\u6700\u5f8c\u306f\u5fdc\u7528\u7684\u306a\u6a5f\u80fd\u304c\u4e00\u6319\u306b\u767b\u5834\u3057\u307e\u3057\u305f\u304c\u3001\u3042\u3068\u306f<code>call<\/code>\u95a2\u6570\u3067<code>batch<\/code>\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u3059<\/p>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/create-vm-js-cropped\" rel=\"attachment wp-att-39447\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39447\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/create-vm-js-cropped.png\" alt=\"\" width=\"500\" height=\"254\" \/><\/a><\/p>\n<p>\u4eee\u60f3\u30de\u30b7\u30f3\u304c\u4f5c\u6210\u3055\u308c\u305f\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u305fJSON\u306e<code>stdout<\/code>\u3084<code>stdouts<\/code>\u3068\u3044\u3046\u30ad\u30fc\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u306d<\/p>\n<p>\u3082\u30461\u5ea6\u5b9f\u884c\u3059\u308b\u3068\u3001\u4eca\u5ea6\u306f\u4e21KVM\u3068\u3082\u30ea\u30bd\u30fc\u30b9\u306b\u7a7a\u304d\u304c\u7121\u3044\u305f\u3081\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u4f5c\u6210\u306f\u3055\u308c\u305a\u306b<code>test<\/code>\u95a2\u6570\u306e\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059<\/p>\n<p><a href=\"https:\/\/www.ospn.jp\/press\/20191031no50-use-it-oss.html\/create-vm-js-twice-cropped\" rel=\"attachment wp-att-39448\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39448\" src=\"https:\/\/www.ospn.jp\/press\/wp-content\/uploads\/2019\/10\/create-vm-js-twice-cropped.png\" alt=\"\" width=\"500\" height=\"527\" \/><\/a><\/p>\n<p>\u4e21KVM\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u3092\u6d88\u3057\u3066\u3001\u518d\u5ea6\u5b9f\u884c\u3059\u308b\u3068\u3001\u4eca\u5ea6\u306f\u3069\u3061\u3089\u304b1\u53f0\u306b\u3060\u3051\u4eee\u60f3\u30de\u30b7\u30f3\u304c\u4f5c\u6210\u3055\u308c\u308b\u3053\u3068\u3067\u3057\u3087\u3046<\/p>\n<h1 id=\"\u304a\u308f\u308a\u306b\">\u304a\u308f\u308a\u306b<\/h1>\n<p>\u3053\u3053\u307e\u3067\u304a\u8aad\u307f\u3044\u305f\u3060\u304d\u307e\u3057\u3066\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059<\/p>\n<p>\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u65b9\u306f\u3001\u666e\u6bb5JavaScript\u306b\u89e6\u308c\u308b\u6a5f\u4f1a\u304c\u306a\u3044\u305f\u3081\u3001Submarine.js\u306e\u72ec\u7279\u306a\u66f8\u304d\u65b9\u304c\u96e3\u3057\u304f\u611f\u3058\u3089\u308c\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093<br \/>\n\u4e00\u65b9\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u6163\u308c\u3066\u3044\u308b\u65b9\u306b\u306f\u3001\u3088\u308aIT\u30a4\u30f3\u30d5\u30e9\u3078\u306e\u9593\u53e3\u304c\u5e83\u304c\u3063\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093<\/p>\n<p>JavaScript\u306f\u3001\u5f93\u6765\u304b\u3089\u306eWeb\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u30b3\u30fc\u30c9\u304b\u3089\u3001\u4eca\u3067\u306f\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u3084\u6a5f\u68b0\u5b66\u7fd2\u3001\u30b9\u30de\u30db\u30a2\u30d7\u30ea\u3084\u30b2\u30fc\u30e0\u958b\u767a\u3001IoT\u5206\u91ce\u306a\u3069\u3001ICT\u30b7\u30b9\u30c6\u30e0\u306e\u307b\u307c\u5168\u3066\u306e\u9818\u57df\u3067\u898b\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f<\/p>\n<p>Submarine.js\u304c\u300cJavaScript \u00d7 \u30a4\u30f3\u30d5\u30e9\u300d\u9818\u57df\u3067\u306e\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u3068\u306a\u308c\u308b\u3088\u3046\u3001\u4eca\u5f8c\u3082\u679c\u6562\u306b\u958b\u767a\u3057\u3066\u53c2\u308a\u307e\u3059<br \/>\n\u3042\u306a\u305f\u306e\u62b1\u3048\u308b\u8ab2\u984c\u306b\u5bfe\u3057\u3066\u3001\u6700\u826f\u306e\u9078\u629e\u3068\u306a\u308a\u307e\u3059\u3053\u3068\u3092\u5fc3\u3088\u308a\u9858\u3063\u3066\u304a\u308a\u307e\u3059<\/p>\n<p>\u4ee5\u4e0a\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f<\/p>\n<\/div>\n<hr \/>\n<p><b>\u5bc4\u7a3f\u8005<\/b><br \/>\nMjusui\u3068\u7533\u3057\u307e\u3059(Twitter : https:\/\/twitter.com\/Mjusui)<br \/>\n\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u4e8b\u696d\u8005\u3001\u30a2\u30c9\u30c6\u30af\u696d\u754c\u3067\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u7d4c\u9a13<br \/>\n\u30b5\u30fc\u30d0\u306e\u69cb\u6210\u7ba1\u7406\u3092\u3088\u308a\u30d7\u30ed\u30b0\u30e9\u30de\u30d6\u30eb\u306b\u3059\u308b\u305f\u3081\u3001JavaScript (Node.js)\u3067\u30a4\u30f3\u30d5\u30e9\u306e\u30c6\u30b9\u30c8\u3001\u69cb\u6210\u7ba1\u7406\u3001\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u81ea\u52d5\u5316\u304c\u3067\u304d\u308bSubmarine.js\u306e\u958b\u767a\u306b\u7740\u624b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Submarine.js\u8a95\u751f\u307e\u3067\u306e\u7269\u8a9e \u3053\u3093\u306a\u30b8\u30ec\u30f3\u30de\u306b\u9665\u3063\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b? \u3053\u306ePlaybook\u3092\u5b9f\u884c\u3057\u3066\u3082\u3001\u3053\u306erole\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u308b\u306f\u305a Ansible\u306f\u51aa\u7b49\u6027\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u308b\u304b\u3089\u30011\u5ea6\u30b5\u30fc\u30d0\u306b\u9069\u7528\u3057\u305frol 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