{"id":2271,"date":"2016-08-03T18:26:20","date_gmt":"2016-08-03T09:26:20","guid":{"rendered":"http:\/\/daily.belltail.jp\/?p=2271"},"modified":"2017-07-04T11:50:45","modified_gmt":"2017-07-04T02:50:45","slug":"%e3%80%90%e7%81%b0%e8%89%b2%e9%ad%94%e8%a1%93%e3%80%91rails-logger%e3%81%a8%e7%8b%ac%e8%87%aalogger%e3%81%ae%e3%83%ad%e3%82%b0%e3%83%ac%e3%83%99%e3%83%ab%e3%82%92%e5%90%8c%e3%81%98%e3%81%ab%e3%81%95","status":"publish","type":"post","link":"https:\/\/daily.belltail.jp\/?p=2271","title":{"rendered":"\u3010\u7070\u8272\u9b54\u8853\u3011Rails.logger\u3068\u72ec\u81eaLogger\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u540c\u3058\u306b\u3055\u305b\u305f\u304b\u3063\u305f"},"content":{"rendered":"<p>\u304a\u9b5a\u3068\u3044\u3048\u3070\u5b89\u3044\u3082\u306e\u304b\u3089\u9ad8\u3044\u3082\u306e\u307e\u3067\u30d4\u30f3\u304d\u308a\u3067\u3059\u304c\u3001\u4e0a\u306f\u3069\u3053\u307e\u3067\u3044\u304f\u3093\u3067\u3057\u3087\u3046\u304b\u3002[http:\/\/sakanadesuyo.com\/main4.php:title=\u9b5a\u3067\u3059\u3088\uff01\u5024\u6bb5\u9806]\u3067\u8abf\u3079\u308b\u3067\u898b\u308b\u3068\u3001\u30de\u30b0\u30ed\u306a\u3069\u304c\u9ad8\u3044\u306e\u306f\u3084\u306f\u308a\u5bb9\u6613\u306b\u60f3\u50cf\u304c\u3064\u304f\u3068\u3053\u308d\u3067\u3059\u304c\u3001\u30ad\u30ed\u30b0\u30e9\u30e0\u5358\u4fa1\u3067\u898b\u305f\u6642\u306b\u306f\u7279\u306b\u30a6\u30cb\u3084\u304b\u305a\u306e\u3053\u306a\u3069\u91cf\u304c\u53d6\u308c\u306a\u3044\u3082\u306e\u304c\u3076\u3063\u3061\u304e\u3063\u3066\u308b\u3093\u3067\u3059\u306d\u3002<\/p>\n<p>\u3055\u3066\u3001Rails\u306eLogger\u3067\u306f\u3001\u30ed\u30b0\u30ec\u30d9\u30eb\u3001\u3059\u306a\u308f\u3061\u3069\u306e\u30ec\u30d9\u30eb\u306e\u30ed\u30b0\u307e\u3067\u304c\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3055\u308c\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"brush: ruby; title: ; notranslate\" title=\"\">\r\nRails.logger.level = :info\r\n<\/pre>\n<p>\u3053\u306e\u8fba\u308a\u306f\u65e2\u306b\u5341\u5206\u3044\u308d\u3093\u306a\u308f\u304b\u308a\u3084\u3059\u3044\u8aac\u660e\u304c\u3042\u308b\u306e\u3067\u305d\u306e\u3042\u305f\u308a\u3092\u3054\u53c2\u7167\u3044\u305f\u3060\u304f\u3068\u3057\u3066\u3002<br \/>\n[http:\/\/guides.rubyonrails.org\/debugging_rails_applications.html#log-levels:title=Debugging Rails Applications \u2014 Ruby on Rails Guides]<\/p>\n<p>\u4e00\u65b9\u3067\u3001\u72ec\u81ea\u30e9\u30a4\u30d6\u30e9\u30ea\u7b49\u3067Rails\u3068\u72ec\u7acb\u306e\u30ed\u30ac\u30fc\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u3059\u306a\u308f\u3061Rails.logger\u3068\u5225\u306bLogger\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6301\u3063\u3066\u3044\u3066\u3001\u305d\u3044\u3064\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u5c0f\u6587\u5b57\u30b7\u30f3\u30dc\u30eb:info\u3084:warn\u3067\u306f\u8a2d\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\nLogger\u30af\u30e9\u30b9\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5b9a\u6570Logger::INFO\u3084Logger::WARN\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: ruby; title: ; notranslate\" title=\"\">\r\n$logger = Logger.new(STDOUT)\r\n$logger.level = Logger::INFO\r\n<\/pre>\n<p>\u3067\u306f\u3001<strong>Rails\u3067\u30a2\u30d7\u30ea\u3092\u66f8\u3044\u3066\u3044\u3066\u306a\u304a\u304b\u3064\u305d\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u74b0\u5883\u5909\u6570\u7b49\u3067\u6307\u5b9a\u53ef\u80fd\u306b\u3057\u305f\u3044\u304c\u3001\u305d\u306e\u969b\u306b\u305d\u3046\u3044\u3063\u305f\u72ec\u81eaLogger\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3082\u4e00\u81f4\u3055\u305b\u305f\u3044<\/strong>\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3002<br \/>\n\u3061\u3087\u3063\u3068\u4f55\u3092\u8a00\u3063\u3066\u3044\u308b\u304b\u308f\u304b\u308a\u306b\u304f\u3044\u3067\u3057\u3087\u3046\u304c\u3001\u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u306e\u3088\u3046\u306a\u3053\u3068\u3067\u3059\u3002<\/p>\n<pre class=\"brush: ruby; title: ; notranslate\" title=\"\">\r\nlog_level = (ENV&#x5B;'LOG_LEVEL'] || :info).to_sym\r\nRails.logger.level = log_level.downcase\r\n$logger = Logger.new\r\n$logger.level = Logger.const_get(log_level.upcase)\r\n<\/pre>\n<p>Rails.logger.level\u306b\u3064\u3063\u3053\u3080\u30b7\u30f3\u30dc\u30eb\u3092\u4f7f\u3063\u3066\u5f37\u5f15\u306bLogger\u30af\u30e9\u30b9\u306e\u5b9a\u6570\u3092Ruby\u306eClass\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308bconst_get\u3092\u4f7f\u3063\u3066\u52d5\u7684\u306b\u3072\u3063\u3071\u3063\u3066\u304f\u308b\u2026\u3068\u3044\u3046\u3088\u3046\u306a\u65b9\u6cd5\u3092\u3068\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u9ed2\u9b54\u8853\u7684\u3068\u3044\u3046\u307b\u3069\u3067\u306f\u306a\u3044\u3067\u3059\u304c\u5c11\u3057\u7070\u8272\u306a\u304b\u3093\u3058\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u3001Rails\u306elogger\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3068\u72ec\u81eaLogger\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u4e00\u5ea6\u3067\u540c\u6642\u306b\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070<\/p>\n<pre class=\"brush: ruby; title: ; notranslate\" title=\"\">\r\n% LOG_LEVEL=Debug rails c\r\n&gt; Rails.logger.level\r\n:debug\r\n&gt; $logger.level\r\n0\r\n# \u2191 Logger::DEBUG\u306e\u5024\r\n<\/pre>\n<p>\u305d\u3082\u305d\u3082Rails.logger.level\u3082:info\u306a\u3069\u306e\u30b7\u30f3\u30dc\u30eb\u3067\u306f\u306a\u304fLogger::DEBUG(=0)\u306a\u3069\u6570\u5024\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001<br \/>\n\u305d\u306e\u5834\u5408\u3082\u3053\u306e\u6280\u6cd5\u3092\u6d3b\u7528\u3059\u308c\u3070\u30e6\u30fc\u30b6\u6307\u5b9a\u6642\uff08\u30b7\u30a7\u30eb\u304b\u3089%LOG_LEVEL=WARN rails c\u3059\u308b\u5834\u5408\uff09\u306a\u3069\u3067\u306f\u6587\u5b57\u5217\u3067\u66f8\u3051\u308b\u306e\u3067\u4fbf\u5229\u3068\u8a00\u3048\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u6307\u5b9a\u3055\u308c\u305fLOG_LEVEL\u306e\u6587\u5b57\u5217\u81ea\u4f53\u304c\u6b63\u3057\u304f\u306a\u3044(\u4f8b\u3048\u3070%LOG_LEVEL=DEBUUUG rails c\u306a\u3069\u3068\u66f8\u3044\u3066\u3057\u307e\u3063\u305f)\u5834\u5408\u3082\u3001const_get\u304c\u4f8b\u5916\u3092\u5410\u3044\u3066\u304f\u308c\u308b\u3068\u3044\u3046\u30c1\u30a7\u30c3\u30af\u6a5f\u69cb\u304c\u81ea\u52d5\u3067\u50cd\u304f\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u76f4\u63a5\u6570\u5024\u3092\u6307\u5b9a\u53ef\u80fd\u306b\u3059\u308b(\u3067\u6570\u5024\u306e\u7bc4\u56f2\u3092\u72ec\u81ea\u3067\u30c1\u30a7\u30c3\u30af\u3059\u308b\u30ed\u30b8\u30c3\u30af\u3092\u66f8\u304f)\u3088\u308a\u3082\u30e9\u30af\u3067\u5b89\u5168\u3068\u3044\u3046\u9762\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30ed\u30b0\u306e\u53ce\u96c6\u3084\u6d3b\u7528\u30fb\u5206\u6790\u306a\u3069\u306a\u3069(fluentd\u3068\u304b)\u306b\u3064\u3044\u3066\u306f\u307e\u305f\u5099\u5fd8\u9332\u304c\u3066\u3089\u306b\u307e\u3068\u3081\u305f\u3044\u3068\u3053\u308d\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u307e\u305f\u306e\u6a5f\u4f1a\u306b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u304a\u9b5a\u3068\u3044\u3048\u3070\u5b89\u3044\u3082\u306e\u304b\u3089\u9ad8\u3044\u3082\u306e\u307e\u3067\u30d4\u30f3\u304d\u308a\u3067\u3059\u304c\u3001\u4e0a\u306f\u3069\u3053\u307e\u3067\u3044\u304f\u3093\u3067\u3057\u3087\u3046\u304b\u3002[http:\/\/sakanadesuyo.com\/main4.php:title=\u9b5a\u3067\u3059\u3088\uff01\u5024\u6bb5\u9806]\u3067\u8abf\u3079\u308b\u3067\u898b\u308b\u3068\u3001\u30de\u30b0\u30ed\u306a\u3069\u304c\u9ad8\u3044\u306e\u306f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2271","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/posts\/2271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2271"}],"version-history":[{"count":1,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/posts\/2271\/revisions"}],"predecessor-version":[{"id":2446,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/posts\/2271\/revisions\/2446"}],"wp:attachment":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}