unicorn_upstart.j2

#/etc/init/{{item.app}}.conf
description "Unicorn"

start on startup

console output

env NEW_RELIC_APP_NAME={{app_name}}
env UNICORN_WORKERS={{unicorn_workers}}
env app=/u/apps/{{item.app}}/current
env REDIS_URL={{sidekiq_redis[item.app]}}

chdir /u/apps/{{item.app}}/current

setuid poweruser
setgid poweruser

respawn
#respawn limit 3 30

#instance ${app}

script
exec /bin/bash <<'EOT'
  # set HOME to the setuid user's home, there doesn't seem to be a better, portable way
  export HOME="$(eval echo ~$(id -un))"

  if [ -d "/usr/local/rbenv/bin" ]; then
    export PATH="/usr/local/rbenv/bin:/usr/local/rbenv/shims:$PATH"
  elif [ -d "$HOME/.rbenv/bin" ]; then
    export PATH="$HOME/.rbenv/bin:$HOME/.rbenv/shims:$PATH"
  elif [ -f  /etc/profile.d/rvm.sh ]; then
    source /etc/profile.d/rvm.sh
  elif [ -f /usr/local/rvm/scripts/rvm ]; then
    source /etc/profile.d/rvm.sh
  elif [ -f "$HOME/.rvm/scripts/rvm" ]; then
    source "$HOME/.rvm/scripts/rvm"
  elif [ -f /usr/local/share/chruby/chruby.sh ]; then
    source /usr/local/share/chruby/chruby.sh
    if [ -f /usr/local/share/chruby/auto.sh ]; then
      source /usr/local/share/chruby/auto.sh
    fi
    # if you aren't using auto, set your version here
    # chruby 2.0.0
  fi

  cd $app

  logger -t {{item.app}} "Starting server: $app"

  exec bundle exec unicorn -c /u/apps/{{item.app}}/current/config/unicorn.rb -E production
EOT
end script