Initial commit

lib/daemons/daemons.god

@@ -0,0 +1,113 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+RAILS_ENV  = ENV.fetch('RAILS_ENV', 'development')
+RAILS_ROOT = File.expand_path('../../..', __FILE__)
+
+require 'shellwords'
+
+# Create non-default log/daemons directory.
+require 'fileutils'
+FileUtils.mkdir_p "#{RAILS_ROOT}/log/daemons"
+
+def daemon(name, options = {})
+  God.watch do |w|
+    command        = "bundle exec ruby lib/daemons/#{options.fetch(:script)}"
+    command       += ' ' + options[:arguments].join(' ') if options.key?(:arguments)
+    filesafe_name  = name.gsub(/\W/, '_')
+
+    w.name  = name
+    w.start = command
+    w.dir   = RAILS_ROOT
+    w.env   = { 'RAILS_ENV' => RAILS_ENV, 'RAILS_ROOT' => RAILS_ROOT }
+
+    # Peatio has lot of dependencies which take some time to load ever on fast disks.
+    # God, by default, doesn't wait before resuming normal monitoring operations.
+    # So we need to adjust this variable so God will wait 10 seconds on start/restart operations.
+    w.grace = 10.seconds
+
+    # God will send SIGTERM to the process and wait 10 seconds.
+    # If process has still not exited it will be killed by sending SIGKILL.
+    w.stop_signal  = 'TERM'
+    w.stop_timeout = 10.seconds
+
+    # God will always keep process running unless it was manually terminated.
+    w.keepalive
+
+    # In production Docker environment logs go to /dev/stdout.
+    if RAILS_ENV == 'production'
+      w.log_cmd = "#{RAILS_ROOT}/bin/logger #{name.shellescape}"
+    #
+    # In non-production environment logs go to files.
+    else
+      w.log = "#{RAILS_ROOT}/log/daemons/#{filesafe_name}.log"
+    end
+
+    # Allow customizations.
+    yield(w) if block_given?
+  end
+end
+
+daemon 'amqp:deposit_collection',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ deposit_collection ]
+
+daemon 'amqp:deposit_collection_fees',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ deposit_collection_fees ]
+
+daemon 'amqp:deposit_coin_address',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ deposit_coin_address ]
+
+daemon 'amqp:influx_writer',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ influx_writer ]
+
+daemon 'amqp:market_ticker',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ market_ticker ]
+
+daemon 'amqp:matching',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ matching ]
+
+daemon 'amqp:order_processor',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ order_processor ]
+
+daemon 'amqp:pusher_market',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ pusher_market ]
+
+daemon 'amqp:pusher_member',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ pusher_member ]
+
+daemon 'amqp:trade_executor',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ trade_executor ]
+
+daemon 'amqp:withdraw_coin',
+       script:   'amqp_daemon.rb',
+       arguments: %w[ withdraw_coin ]
+
+daemon 'daemon:blockchain',
+       script:   'daemons.rb',
+       arguments: %w[ blockchain ]
+
+daemon 'daemon:k',
+       script:   'daemons.rb',
+       arguments: %w[ k ]
+
+daemon 'daemon:global_state',
+       script:   'daemons.rb',
+       arguments: %w[ global_state ]
+
+daemon 'daemon:withdraw_audit',
+       script:   'daemons.rb',
+       arguments: %w[ withdraw_audit ]
+
+daemon 'daemon:slave_book',
+       script:   'daemons.rb',
+       arguments: %w[ slave_book  ]