Archive: ComponentOwl Rails app, DB backups, go redirect script

config/unicorn/development.rb.example

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+# unicorn_rails -c ./config/unicorn/development.rb -E development
+worker_processes 2
+listen 5001

config/unicorn/production.rb

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+# unicorn_rails -c ./config/unicorn/production.rb -E production -D
+APP_DIR = "/srv/www/componentowl.com/current"
+
+worker_processes 2
+
+# Help ensure your application will always spawn in the symlinked
+# "current" directory that Capistrano sets up.
+working_directory APP_DIR
+
+# This loads the application in the master process before forking
+# worker processes
+# Read more about it here:
+# http://unicorn.bogomips.org/Unicorn/Configurator.html
+preload_app true
+
+# This is where we specify the socket.
+# We will point the upstream Nginx module to this socket later on
+listen "/tmp/componentowl.sock", :backlog => 64
+# Optionally listen to a tcp port.
+#listen 5000, :tcp_nopush => true
+
+pid "/tmp/componentowl.com.pid"
+
+# Temp fix for the setup file uploading (should be handled 
+# by node.js in future).
+timeout 5 * 60
+
+# By default, the Unicorn logger will write to stderr.
+# Additionally, ome applications/frameworks log to stderr or stdout,
+# so prevent them from going to /dev/null when daemonized here:
+stderr_path "#{APP_DIR}/log/unicorn.stderr.log"
+stdout_path "#{APP_DIR}/log/unicorn.stdout.log"
+
+before_fork do |server, worker|
+  # This option works in together with preload_app true setting
+  # What is does is prevent the master process from holding
+  # the database connection
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.connection.disconnect!
+
+  # When sent a USR2, Unicorn will suffix its pidfile with .oldbin and
+  # immediately start loading up a new version of itself (loaded with a new
+  # version of our app). When this new Unicorn is completely loaded
+  # it will begin spawning workers. The first worker spawned will check to
+  # see if an .oldbin pidfile exists. If so, this means we've just booted up
+  # a new Unicorn and need to tell the old one that it can now die. To do so
+  # we send it a QUIT.
+  #
+  # Using this method we get 0 downtime deploys.
+  old_pid = "/tmp/componentowl.com.pid.oldbin"
+  if File.exists?(old_pid) && server.pid != old_pid
+    begin
+      Process.kill("QUIT", File.read(old_pid).to_i)
+    rescue Errno::ENOENT, Errno::ESRCH
+      # someone else did our job for us
+    end
+  end
+end
+
+after_fork do |server, worker|
+  # Here we are establishing the connection after forking worker
+  # processes
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.establish_connection
+end