\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n
Ruby on Rails \u306f\u958b\u767a\u306b\u5fc5\u8981\u306a\u3082\u306e\u304c\u4e00\u901a\u308a\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u4e00\u901a\u308a\u306e\u3082\u306e\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3068\u306f\u3044\u3048\u3001\u300c\u3053\u3093\u306a\u3082\u306e\u304c\u6b32\u3057\u3044\u300d\u300c\u3042\u3093\u306a\u3082\u306e\u304c\u6b32\u3057\u3044\u300d\u3068\u601d\u3046\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4f55\u5ea6\u3082\u5b9f\u884c\u3059\u308b\u3088\u3046\u306a\u51e6\u7406\u3067\u3042\u308c\u3070\u3001\u72ec\u81ea\u306e Rake \u30bf\u30b9\u30af\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3066\u304a\u304f\u3068\u4fbf\u5229\u3067\u3059\u3002<\/p>\n
\u72ec\u81ea\u306e Rake \u30bf\u30b9\u30af\u306e\u4f5c\u6210\u306f\u975e\u5e38\u306b\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002lib\/tasks\/ \u4ee5\u4e0b\u306b .rake \u3068\u3044\u3046\u62e1\u5f35\u5b50\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066\u300cHello\u300d\u3092\u51fa\u529b\u3059\u308b\u30bf\u30b9\u30af\u3092\u5b9a\u7fa9\u3057\u3066\u307f\u307e\u3059\u3002lib\/tasks\/hello.rake \u3092\u4f5c\u6210\u3057\u3001\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
desc 'Print \"Hello\".'\r\ntask :hello do\r\n puts 'Hello'\r\nend<\/pre>\n\u4f5c\u6210\u3067\u304d\u305f\u3089\u3001\u300crake hello\u300d\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
$ rake hello\r\nHello<\/pre>\n\u300crake -T\u300d\u3067\u30bf\u30b9\u30af\u4e00\u89a7\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u4e2d\u306b\u81ea\u5206\u3067\u5b9a\u7fa9\u3057\u305f\u30bf\u30b9\u30af\u3082\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3068\u3001\u306a\u3093\u3060\u304b\u697d\u3057\u3044\u6c17\u6301\u3061\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
Unicorn \u3092\u64cd\u4f5c\u3059\u308b Rake \u30bf\u30b9\u30af\u306e\u4f8b<\/h2>\n
\u6700\u8fd1\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u306e Unicorn \u3092\u4f7f\u3044\u59cb\u3081\u307e\u3057\u305f\u3002<\/p>\n
Unicorn \u306e\u64cd\u4f5c\u306f\u30d7\u30ed\u30bb\u30b9\u306b\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u57fa\u672c\u3068\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30b5\u30fc\u30d0\u306e\u518d\u8d77\u52d5\u3084\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u518d\u8aad\u307f\u8fbc\u307f\u3001\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u6570\u306e\u5909\u66f4\u306a\u3069\u3092\u884c\u3046\u306b\u306f\u3001Unicorn \u306e\u30d7\u30ed\u30bb\u30b9\u306b\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u306e\u3046\u3061\u306f\u30d7\u30ed\u30bb\u30b9 ID \u3092\u8abf\u3079\u3066\u3001kill \u30b3\u30de\u30f3\u30c9\u3067\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3092\u4f55\u5ea6\u3082\u7e70\u308a\u8fd4\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u6b21\u7b2c\u306b\u9762\u5012\u306b\u306a\u308a\u3001\u72ec\u81ea\u306e Rake \u30bf\u30b9\u30af\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n
# coding: utf-8\r\n\r\nnamespace :unicorn do\r\n\r\n\u00a0 # \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9.\r\n\u00a0 UNICORN_CONFIG_FILE_PATH = Rails.root.join('config', 'unicorn.rb')\r\n\r\n\u00a0 # PID \u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9.\r\n\u00a0 UNICORN_PID_FILE_PATH = Rails.root.join('tmp', 'pids', 'unicorn.pid')\r\n\r\n\u00a0 #\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u306e PID \u53ca\u3073\u30b3\u30de\u30f3\u30c9\u6587\u5b57\u5217\u3092\u6c42\u3081\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # `ps -o pid,command` \u5f62\u5f0f\u306e\u6587\u5b57\u5217.\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f nil.\r\n\u00a0 #\r\n\u00a0 def unicorn_master_pid_string\r\n\u00a0\u00a0\u00a0 pid_file_path = UNICORN_PID_FILE_PATH\r\n\u00a0\u00a0\u00a0 return nil unless File.exists?(pid_file_path)\r\n\r\n\u00a0\u00a0\u00a0 pid_string = `ps h -o pid,command #{File.read(pid_file_path).to_i}`.strip\r\n\u00a0\u00a0\u00a0 return nil unless pid_string.present?\r\n\r\n\u00a0\u00a0\u00a0 pid_string\r\n\u00a0 end\r\n\r\n\u00a0 #\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u306e PID \u3092\u6c42\u3081\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u306e PID.\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f nil.\r\n\u00a0 #\r\n\u00a0 def unicorn_master_pid\r\n\u00a0\u00a0\u00a0 pid_string = unicorn_master_pid_string\r\n\u00a0\u00a0\u00a0 return nil unless pid_string\r\n\r\n\u00a0\u00a0\u00a0 pid_string.to_i\r\n\u00a0 end\r\n\r\n\u00a0 #\r\n\u00a0 # \u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e PID \u53ca\u3073\u30b3\u30de\u30f3\u30c9\u6587\u5b57\u5217\u3092\u6c42\u3081\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # `ps -o pid,command` \u5f62\u5f0f\u306e\u6587\u5b57\u5217\u306e\u914d\u5217.\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f nil.\r\n\u00a0 # \u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u7a7a\u306e\u914d\u5217.\r\n\u00a0 #\r\n\u00a0 def unicorn_worker_pid_strings\r\n\u00a0\u00a0\u00a0 pid = unicorn_master_pid\r\n\u00a0\u00a0\u00a0 return nil unless pid\r\n\r\n\u00a0\u00a0\u00a0 `ps h -o pid,command --ppid #{pid}`.split(\/\\n\/).map(&:strip)\r\n\u00a0 end\r\n\r\n\u00a0 #\r\n\u00a0 # \u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e PID \u3092\u6c42\u3081\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # \u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e PID \u306e\u914d\u5217.\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f nil.\r\n\u00a0 # \u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u7a7a\u306e\u914d\u5217.\r\n\u00a0 #\r\n\u00a0 def unicorn_worker_pids\r\n\u00a0\u00a0\u00a0 pid_strings = unicorn_worker_pid_strings\r\n\u00a0\u00a0\u00a0 return nil unless pid_strings\r\n\r\n\u00a0\u00a0\u00a0 pid_strings.map(&:to_i)\r\n\u00a0 end\r\n\r\n\u00a0 #\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9, \u53ca\u3073\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e PID \u53ca\u3073\u30b3\u30de\u30f3\u30c9\u6587\u5b57\u5217\u3092\u6c42\u3081\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # `ps -o pid,command` \u5f62\u5f0f\u306e\u6587\u5b57\u5217\u306e\u914d\u5217 (\u5148\u982d\u8981\u7d20\u304c\u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9).\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f nil.\r\n\u00a0 #\r\n\u00a0 def unicorn_pid_strings\r\n\u00a0\u00a0\u00a0 pid_strings = [unicorn_master_pid_string, unicorn_worker_pid_strings].flatten.compact\r\n\u00a0\u00a0\u00a0 return nil unless pid_strings.present?\r\n\r\n\u00a0\u00a0\u00a0 pid_strings\r\n\u00a0 end\r\n\r\n\u00a0 #\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9, \u53ca\u3073\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e PID \u3092\u6c42\u3081\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9, \u53ca\u3073\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e PID \u306e\u914d\u5217.\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f nil.\r\n\u00a0 #\r\n\u00a0 def unicorn_pids\r\n\u00a0\u00a0\u00a0 pid_strings = unicorn_pid_strings\r\n\u00a0\u00a0\u00a0 return nil unless pid_strings\r\n\r\n\u00a0\u00a0\u00a0 pid_strings.map(&:to_i)\r\n\u00a0 end\r\n\r\n\u00a0 #\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u306b\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u4fe1\u3059\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u5f15\u6570\r\n\u00a0 # signal:: \u30b7\u30b0\u30ca\u30eb\u756a\u53f7, \u3082\u3057\u304f\u306f\u30b7\u30b0\u30ca\u30eb\u540d\u3092\u6587\u5b57\u5217\u307e\u305f\u306f\u30b7\u30f3\u30dc\u30eb\u3067\u6307\u5b9a\u3059\u308b.\r\n\u00a0 # failed_message:: \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u8868\u793a\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u306e PID.\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f nil.\r\n\u00a0 #\r\n\u00a0 def send_signal_to_unicorn_master(signal, failed_message='Not running.')\r\n\u00a0\u00a0\u00a0 if pid = unicorn_master_pid\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 Process.kill(signal, pid)\r\n\u00a0\u00a0\u00a0 else\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 puts failed_message if failed_message.present?\r\n\u00a0\u00a0\u00a0 end\r\n\u00a0 end\r\n\r\n\u00a0 desc 'Show unicorn process-pids.'\r\n\u00a0 task(:pids) { puts (unicorn_pid_strings || 'Not running.') }\r\n\r\n\u00a0 desc 'Start unicorn server.'\r\n\u00a0 task(:start) { system(\"unicorn -c '#{UNICORN_CONFIG_FILE_PATH}' -E #{Rails.env} -D\") }\r\n\r\n\u00a0 desc 'Reloads config file and gracefully restart all workers (Send signal HUP to master process).'\r\n\u00a0 task(:graceful) { send_signal_to_unicorn_master(:HUP) }\r\n\r\n\u00a0 desc 'Quick shutdown, kills all workers immediately (Send signal TERM to master process).'\r\n\u00a0 task(:kill) { send_signal_to_unicorn_master(:TERM) }\r\n\r\n\u00a0 desc 'Graceful shutdown (Send signal QUIT to master process).'\r\n\u00a0 task(:stop) { send_signal_to_unicorn_master(:QUIT) }\r\n\r\n\u00a0 desc 'Reopen all logs owned by the master and all workers (Send signal USR1 to master process).'\r\n\u00a0 task(:reopen_logs) { send_signal_to_unicorn_master(:USR1) }\r\n\r\n\u00a0 desc 'Reexecute the running binary (Send signal USR2 to master process).'\r\n\u00a0 task(:restart) { send_signal_to_unicorn_master(:USR2) }\r\n\r\n\u00a0 desc 'Gracefully stops workers but keep the master running (Send signal WINCH to master process).'\r\n\u00a0 task('workers:stop') { send_signal_to_unicorn_master(:WINCH) }\r\n\r\n\u00a0 desc 'Increment the number of worker processes by one (Send signal TTIN to master process).'\r\n\u00a0 task('workers:increment') { send_signal_to_unicorn_master(:TTIN) }\r\n\r\n\u00a0 desc 'Decrement the number of worker processes by one (Send signal TTOU to master process).'\r\n\u00a0 task('workers:decrement') { send_signal_to_unicorn_master(:TTOU) }\r\n\r\n\u00a0 #\r\n\u00a0 # \u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e [\u756a\u53f7, PID, \u540d\u524d] \u3092\u6c42\u3081\u308b.\r\n\u00a0 #\r\n\u00a0 # ==== \u623b\u308a\u5024\r\n\u00a0 # \u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e [\u756a\u53f7, PID, \u540d\u524d] \u3092\u6c42\u3081\u308b.\r\n\u00a0 # \u30de\u30b9\u30bf\u30d7\u30ed\u30bb\u30b9, \u3082\u3057\u304f\u306f\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u7a7a\u306e\u914d\u5217.\r\n\u00a0 #\r\n\u00a0 def worker_number_pid_name_triples\r\n\u00a0\u00a0\u00a0 number_pid_name_triples = (unicorn_worker_pid_strings || []).flatten.map do |line|\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 pid, name = *line.split(' ').values_at(0, 2)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 number = name.gsub(\/\\D\/, '')\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 [number.to_i, pid.to_i, name]\r\n\u00a0\u00a0\u00a0 end\r\n\r\n\u00a0\u00a0\u00a0 number_pid_name_triples.sort\r\n\u00a0 end\r\n\r\n\u00a0 worker_number_pid_name_triples.each do |number, pid, name|\r\n\u00a0\u00a0\u00a0 desc \"Quick shutdown, immediately exit (Send signal TERM to #{name} process).\"\r\n\u00a0\u00a0\u00a0 task(\"worker#{number}:kill\") { Process.kill(:TERM, pid) }\r\n\r\n\u00a0\u00a0\u00a0 desc \"Gracefully exit after finishing the current request (Send signal QUIT to #{name} process).\"\r\n\u00a0\u00a0\u00a0 task(\"worker#{number}:stop\") { Process.kill(:QUIT, pid) }\r\n\r\n\u00a0\u00a0\u00a0 desc \"Reopen all logs owned by the worker process (Send signal USR1 to #{name} process).\"\r\n\u00a0\u00a0\u00a0 task(\"worker#{number}:reopen_logs\") { Process.kill(:USR1, pid) }\r\n\r\n\u00a0\u00a0\u00a0 desc \"Output thread dump (Send signal USR2 to #{name} process).\"\r\n\u00a0\u00a0\u00a0 task(\"worker#{number}:thread_dump\") { Process.kill(:USR2, pid) }\r\n\u00a0 end\r\n\r\nend if defined?(Unicorn)<\/pre>\n\u4f55\u5ea6\u3082\u884c\u3063\u3066\u3044\u308b\u9762\u5012\u306a\u4f5c\u696d\u304c\u3042\u308c\u3070\u3001\u72ec\u81ea\u306e Rake \u30bf\u30b9\u30af\u3092\u4f5c\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n
Ruby on Rails \u306f\u958b\u767a\u306b\u5fc5\u8981\u306a\u3082\u306e\u304c\u4e00\u901a\u308a\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u4e00\u901a\u308a\u306e\u3082\u306e\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3068\u306f\u3044\u3048\u3001\u300c\u3053\u3093\u306a\u3082\u306e\u304c\u6b32\u3057\u3044\u300d\u300c\u3042\u3093\u306a\u3082\u306e\u304c\u6b32\u3057\u3044\u300d\u3068\u601d\u3046\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002
\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[22,26,24,25],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/173"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=173"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/173\/revisions"}],"predecessor-version":[{"id":18030,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/173\/revisions\/18030"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}