Created
September 6, 2012 11:09
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Unicorn multi init.
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| #!/bin/sh | |
| # | |
| # chkconfig: - 88 12 | |
| # | |
| # init.d script for single or multiple unicorn installations. Expects at least one .env | |
| # file in /etc/unicorn | |
| # | |
| ## A sample /etc/unicorn/production.env | |
| ## | |
| ## RAILS_ENV=production | |
| ## RAILS_ROOT=/var/apps/www/my_app/current | |
| # | |
| # This configures a unicorn master for your app at /var/apps/www/my_app/current running in | |
| # production mode. It will read config/unicorn.rb for further set up. | |
| # | |
| # You should ensure different ports or sockets are set in each config/unicorn.rb if | |
| # you are running more than one master concurrently. | |
| # | |
| # If you call this script without any config parameters, it will attempt to run the | |
| # init command for all your unicorn configurations listed in /etc/unicorn/*.env | |
| # | |
| # /etc/init.d/unicorn start # starts all unicorns | |
| # | |
| # If you specify a particular config, it will only operate on that one | |
| # | |
| # /etc/init.d/unicorn start /etc/unicorn/production.conf | |
| set -e | |
| ENV_DIR=/etc/unicorn | |
| usage_exit() { | |
| echo >&2 "Usage: $0 [-c $ENV_DIR/my_app.env] <start|stop|restart|upgrade|rotate|force-stop>" | |
| exit 1 | |
| } | |
| sig () { | |
| test -s "$PID" && kill -$1 `cat "$PID"` | |
| } | |
| oldsig () { | |
| test -s "$OLD_PID" && kill -$1 `cat "$OLD_PID"` | |
| } | |
| start () { | |
| su $USER -c "$USER_ENV && $CMD" | |
| } | |
| cmd () { | |
| case $1 in | |
| start) | |
| sig 0 && echo >&2 "Already running" && exit 0 | |
| echo "Starting" | |
| start | |
| ;; | |
| stop) | |
| sig QUIT && echo "Stopping" && exit 0 | |
| echo >&2 "Not running" | |
| ;; | |
| force-stop) | |
| sig TERM && echo "Forcing a stop" && exit 0 | |
| echo >&2 "Not running" | |
| ;; | |
| restart|reload) | |
| # preload_appの設定によってはHUPでよい | |
| # oldのQUITはunicorn.rbにまかせる | |
| # sig USR2 && sleep 5 && oldsig QUIT && echo "Killing old master" `cat $OLD_PID` && exit 0 | |
| sig USR2 && echo "Killing old master" `cat $OLD_PID` && exit 0 | |
| echo >&2 "Couldn't reload, starting '$CMD' instead" | |
| start | |
| ;; | |
| upgrade) | |
| # これ使う機会ない気がする | |
| sig USR2 && echo Upgraded && exit 0 | |
| echo >&2 "Couldn't upgrade, starting '$CMD' instead" | |
| start | |
| ;; | |
| rotate) | |
| sig USR1 && echo rotated logs OK && exit 0 | |
| echo >&2 "Couldn't rotate logs" && exit 1 | |
| ;; | |
| *) | |
| usage_exit | |
| ;; | |
| esac | |
| } | |
| process_check () { | |
| if [ -s $PID ] && ! kill -0 `cat "$PID"` ; then | |
| rm $PID | |
| fi | |
| } | |
| setup () { | |
| echo -n "$RAILS_ROOT: " | |
| cd $RAILS_ROOT || exit 1 | |
| export OLD_PID="$PID.oldbin" | |
| process_check | |
| #CMD="/usr/bin/unicorn_rails -c config/unicorn.rb -E $RAILS_ENV -D" | |
| CMD="cd $RAILS_ROOT && BUNDLE_GEMFILE=$RAILS_ROOT/Gemfile bundle exec unicorn_rails -c config/unicorn.rb -E $RAILS_ENV -D" | |
| } | |
| start_stop () { | |
| # either run the start/stop/reload/etc command for every config under /etc/unicorn | |
| # or just do it for a specific one | |
| # $1 contains the start/stop/etc command | |
| # $2 if it exists, should be the specific config we want to act on | |
| if [ $ENV_FILE ]; then | |
| # import valiables | |
| . $ENV_FILE | |
| setup | |
| cmd $1 | |
| else | |
| for ENV_FILE in $ENV_DIR/*.env; do | |
| # import the variables | |
| . $ENV_FILE | |
| setup | |
| # run the start/stop/etc command | |
| cmd $1 | |
| done | |
| fi | |
| } | |
| while getopts c: OPT | |
| do | |
| case $OPT in | |
| c) | |
| ENV_FILE=$OPTARG | |
| ;; | |
| h) | |
| usage_exit | |
| ;; | |
| *) | |
| usage_exit | |
| ;; | |
| esac | |
| done | |
| # $1 に restart等を持ってくる | |
| shift $(( $OPTIND - 1 )) | |
| ARGS="$1" | |
| start_stop $ARGS |
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It isn't works. because
cmd()is return exit 0.