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-rw-r--r--examples/init.sh54
1 files changed, 54 insertions, 0 deletions
diff --git a/examples/init.sh b/examples/init.sh
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+++ b/examples/init.sh
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+#!/bin/sh
+set -u
+set -e
+# Example init script, this can be used with nginx, too,
+# since nginx and unicorn accept the same signals
+
+# Feel free to change any of the following variables for your app:
+APP_ROOT=/home/x/my_app/current
+PID=$APP_ROOT/tmp/pids/unicorn.pid
+CMD="/usr/bin/unicorn -D -c $APP_ROOT/config/unicorn.rb"
+INIT_CONF=$APP_ROOT/config/init.conf
+
+test -f "$INIT_CONF" && . $INIT_CONF
+
+old_pid="$PID.oldbin"
+
+cd $APP_ROOT || exit 1
+
+sig () {
+        test -s "$PID" && kill -$1 `cat $PID`
+}
+
+oldsig () {
+        test -s $old_pid && kill -$1 `cat $old_pid`
+}
+
+case $1 in
+start)
+        sig 0 && echo >&2 "Already running" && exit 0
+        $CMD
+        ;;
+stop)
+        sig QUIT && exit 0
+        echo >&2 "Not running"
+        ;;
+force-stop)
+        sig TERM && exit 0
+        echo >&2 "Not running"
+        ;;
+restart|reload)
+        sig HUP && echo reloaded OK && exit 0
+        echo >&2 "Couldn't reload, starting '$CMD' instead"
+        $CMD
+        ;;
+upgrade)
+        sig USR2 && sleep 2 && sig 0 && oldsig QUIT && exit 0
+        echo >&2 "Couldn't upgrade, starting '$CMD' instead"
+        $CMD
+        ;;
+*)
+        echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop>"
+        exit 1
+        ;;
+esac