capistrano changes

config/deploy.rb

@@ -1,38 +1,24 @@
-require "bundler/capistrano"
+# config valid only for current version of Capistrano
+lock '3.4.0'
 
-server "redstoner", :web, :app, :db, primary: true
+set :repo_url, 'git@bitbucket.org:redstonesheep/redstoner.git'
 
-set :application, "redstoner"
-set :user, "www-data"
-set :deploy_to, "/home/#{user}/apps/#{application}"
-set :deploy_via, :remote_cache
-set :use_sudo, false
+set :scm, :git
 
-set :scm, "git"
-set :repository, "ssh://git@bitbucket.org/redstonesheep/redstoner.git"
-set :branch, "master"
+set :ssh_options, { forward_agent: true }
 
+set :keep_releases, 5
 
-default_run_options[:pty] = true
-ssh_options[:forward_agent] = true
+set :deploy_to, -> { "/home/www-data/apps/#{fetch(:application)}" }
 
-after "deploy", "deploy:cleanup" # keep only the last 5 releases
+set :rbenv_ruby, '2.0.0-p247'
+
+set :bundle_without, %w{development test}.join(' ')
+
+# Default value for linked_dirs is []
+set :linked_dirs, fetch(:linked_dirs, []).push('bin', 'log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'vendor/bundle', 'public/system')
 
 namespace :deploy do
-  %w[start stop restart].each do |command|
-    desc "#{command} unicorn server"
-    task command, roles: :app, except: {no_release: true} do
-      run "/etc/init.d/unicorn_#{application} #{command}"
-    end
-  end
-
-  task :setup_config, roles: :app do
-    puts "Please run as root: 'ln -nfs #{current_path}/config/nginx.conf /etc/nginx/sites-enabled/#{application}'"
-    puts "Please run as root: 'ln -nfs #{current_path}/config/unicorn_init.sh /etc/init.d/unicorn_#{application}'"
-    run "mkdir -p #{shared_path}/config"
-  end
-  after "deploy:setup", "deploy:setup_config"
-
   desc "Make sure local git is in sync with remote."
   task :check_revision, roles: :web do
     unless `git rev-parse HEAD` == `git rev-parse origin/master`
@@ -42,4 +28,6 @@ namespace :deploy do
     end
   end
   before "deploy", "deploy:check_revision"
+
+  after :publishing, :restart
 end

config/deploy/production.rb

@@ -0,0 +1,4 @@
+set :application, 'redstoner'
+set :branch, 'master'
+
+role :web, %w{www-data@redstoner}

config/unicorn.rb

@@ -1,15 +1,26 @@
-root = "/home/www-data/apps/redstoner/current"
-working_directory root
-pid "#{root}/tmp/pids/unicorn.pid"
-stderr_path "#{root}/log/unicorn.log"
-stdout_path "#{root}/log/unicorn.log"
+worker_processes Integer(ENV["WEB_CONCURRENCY"] || 3)
+timeout 15
+preload_app true
 
-listen "/tmp/unicorn.redstoner.sock"
-worker_processes 2
-timeout 30
 
-# Force the bundler gemfile environment variable to
-# reference the capistrano "current" symlink
-before_exec do |_|
-  ENV["BUNDLE_GEMFILE"] = File.join(root, 'Gemfile')
+stderr_path "/home/www-data/apps/redstoner/shared/log/unicorn.stderr.log"
+stdout_path "/home/www-data/apps/redstoner/shared/log/unicorn.stdout.log"
+
+before_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn master intercepting TERM and sending myself QUIT instead'
+    Process.kill 'QUIT', Process.pid
+  end
+
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.connection.disconnect!
+end
+
+after_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT'
+  end
+
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.establish_connection
 end

config/unicorn_init.sh

@@ -1,88 +0,0 @@
-#!/bin/sh
-### BEGIN INIT INFO
-# Provides:          unicorn
-# Required-Start:    $remote_fs $syslog
-# Required-Stop:     $remote_fs $syslog
-# Default-Start:     2 3 4 5
-# Default-Stop:      0 1 6
-# Short-Description: Manage unicorn server
-# Description:       Start, stop, restart unicorn server for a specific application.
-### END INIT INFO
-set -e
-
-# not sure why, but .bash_profile is not being executed
-export PATH="$HOME/.rbenv/bin:$PATH"
-eval "$(rbenv init -)"
-
-# Feel free to change any of the following variables for your app:
-TIMEOUT="${TIMEOUT-60}"
-APP_ROOT="/home/www-data/apps/redstoner/current"
-PID="$APP_ROOT/tmp/pids/unicorn.pid"
-CMD="cd $APP_ROOT; bundle exec unicorn -D -c $APP_ROOT/config/unicorn.rb -E production"
-AS_USER="www-data"
-set -u
-
-OLD_PIN="$PID.oldbin"
-
-sig () {
-  test -s "$PID" && kill -$1 `cat $PID`
-}
-
-oldsig () {
-  test -s $OLD_PIN && kill -$1 `cat $OLD_PIN`
-}
-
-run () {
-  if [ "$(id -un)" = "$AS_USER" ]; then
-    eval $1
-  else
-    su -c "$1" - $AS_USER
-  fi
-}
-
-case "$1" in
-start)
-  sig 0 && echo >&2 "Already running" && exit 0
-  run "$CMD"
-  ;;
-stop)
-  sig QUIT && exit 0
-  echo >&2 "Not running"
-  ;;
-force-stop)
-  sig TERM && exit 0
-  echo >&2 "Not running"
-  ;;
-restart|reload)
-  sig HUP && echo reloaded OK && exit 0
-  echo >&2 "Couldn't reload, starting '$CMD' instead"
-  run "$CMD"
-  ;;
-upgrade)
-  if sig USR2 && sleep 2 && sig 0 && oldsig QUIT
-  then
-    n=$TIMEOUT
-    while test -s $OLD_PIN && test $n -ge 0
-    do
-      printf '.' && sleep 1 && n=$(( $n - 1 ))
-    done
-    echo
-
-    if test $n -lt 0 && test -s $OLD_PIN
-    then
-      echo >&2 "$OLD_PIN still exists after $TIMEOUT seconds"
-      exit 1
-    fi
-    exit 0
-  fi
-  echo >&2 "Couldn't upgrade, starting '$CMD' instead"
-  run "$CMD"
-  ;;
-reopen-logs)
-  sig USR1
-  ;;
-*)
-  echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"
-  exit 1
-  ;;
-esac