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AmazonLinuxでpumaの自動起動設定を行う

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AmazonLinuxにNginxとRailsをインストールして80番ポートからrailsに繋げるでnginxとrailsを立ち上げたのですが、nginxは自動起動設定したもののpumaは自動で起動しないので、サーバが再起動した場合にrailsアプリケーションが立ち上がりません。

今回はpumaの自動起動設定を行います。

/etc/init.d/puma の作成

以下の内容で/etc/init.d/pumaに実行ファイルを作成しました。NAMEやAPP_PATHは適宜自分の環境に合わせて変更してください。

#!/bin/bash
#
# railsapp

# chkconfig: 2345 82 55
# processname: railsapp
# description: Runs railsapp for nginx integration.

# Include RedHat function library
. /etc/rc.d/init.d/functions

# The name of the service
NAME=railsapp

# The username and path to the myapp source
USER=webapp
APP_PATH=/home/$USER/$NAME

# The PID and LOCK files used by puma and sidekiq
UPID=$APP_PATH/tmp/pids/puma.pid
ULOCK=/var/lock/subsys/$NAME

# The options to use when running puma
#OPTS="-F $APP_PATH/config/puma.rb"

# Ruby related path update
RUBY_PATH_PATCH="PATH=$PATH:/usr/local/bin:/usr/local/lib && export PATH && "
BUNDLE_CMD=bundle
PUMA_CMD=pumactl
. /etc/profile.d/rbenv.sh

start() {
  cd $APP_PATH
  # Start puma
  echo -n $"Starting $NAME: "
  daemon --pidfile=$UPID --user=$USER $BUNDLE_CMD exec $PUMA_CMD $OPTS start
  puma=$?
  [ $puma -eq 0 ] && touch $ULOCK
  echo

  return $puma
}

stop() {
  cd $APP_PATH

  # Stop puma
  echo -n $"Stopping $NAME: "
  killproc -p $UPID
  puma=$?
  [ $puma -eq 0 ] && rm -f $ULOCK
  echo

  return $puma
}

restart() {
  stop
  start
}

get_status() {
  status -p $UPID $NAME
}

query_status() {
  get_status >/dev/null 2>&1
}

case "$1" in
  start)
    query_status && exit 0
    start
    ;;
  stop)
    query_status || exit 0
    stop
    ;;
  restart)
    restart
    ;;
  status)
    get_status
    exit $?
    ;;
  *)
    N=/etc/init.d/$NAME
    echo "Usage: $N {start|stop|restart|status}" >&2
    exit 1
    ;;
esac

exit 0

作成し終わったら実行権限を付与しておきます。

$ ls -l /etc/init.d/puma
-rw-r--r-- 1 root root 1359 Jul  5 10:51 /etc/init.d/puma
$ sudo chmod +x /etc/init.d/puma
$ ls -l /etc/init.d/puma
-rwxr-xr-x 1 root root 1359 Jul  5 10:51 /etc/init.d/puma

自動起動設定

まずinitスクリプトを使ってpumaが起動することを確認しておきます。

$ sudo /etc/init.d/puma start
Starting railsapp: Puma starting in single mode...
* Version 3.9.1 (ruby 2.4.1-p111), codename: Private Caller
* Min threads: 5, max threads: 5
* Environment: development
* Daemonizing...
                                                           [  OK  ]

起動したようなので chkconfig でシステム起動時に起動するようにしておきます。

$ sudo chkconfig puma on
$ sudo chkconfig | grep puma
puma           	0:off	1:off	2:on	3:on	4:on	5:on	6:off

これで再起動してpumaが起動してたら完了です。

参考

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