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Dmitri Zimine
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Dec 22, 2015
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#!/bin/sh | ||
### BEGIN INIT INFO | ||
# Provides: | ||
# Required-Start: $remote_fs $syslog | ||
# Required-Stop: $remote_fs $syslog | ||
# Default-Start: 2 3 4 5 | ||
# Default-Stop: 0 1 6 | ||
# Short-Description: Start daemon at boot time | ||
# Description: Enable service provided by daemon. | ||
### END INIT INFO | ||
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name="mistral-api" | ||
dir="/opt/openstack/mistral" | ||
cmd="/opt/openstack/mistral/.venv/bin/gunicorn -b <%= @api_url %>:<%= @api_port %> -w 2 mistral.api.wsgi" | ||
user="root" | ||
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pid_file="/var/run/$name.pid" | ||
stdout_log="/var/log/$name.log" | ||
stderr_log="/var/log/$name.err" | ||
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get_pid() { | ||
cat "$pid_file" | ||
} | ||
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is_running() { | ||
[ -f "$pid_file" ] && ps `get_pid` > /dev/null 2>&1 | ||
} | ||
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case "$1" in | ||
start) | ||
if is_running; then | ||
echo "Already started" | ||
else | ||
echo "Starting $name" | ||
if [ -z "$user" ]; then | ||
su -c "$cmd" >> "$stdout_log" 2>> "$stderr_log" & | ||
else | ||
su $user -c "$cmd" >> "$stdout_log" 2>> "$stderr_log" & | ||
fi | ||
echo $! > "$pid_file" | ||
if ! is_running; then | ||
echo "Unable to start, see $stdout_log and $stderr_log" | ||
exit 1 | ||
fi | ||
fi | ||
;; | ||
stop) | ||
if is_running; then | ||
echo -n "Stopping $name.." | ||
kill `get_pid` | ||
for i in {1..10} | ||
do | ||
if ! is_running; then | ||
break | ||
fi | ||
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echo -n "." | ||
sleep 1 | ||
done | ||
echo | ||
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if is_running; then | ||
echo "Not stopped; may still be shutting down or shutdown may have failed" | ||
exit 1 | ||
else | ||
echo "Stopped" | ||
if [ -f "$pid_file" ]; then | ||
rm "$pid_file" | ||
fi | ||
fi | ||
else | ||
echo "Not running" | ||
fi | ||
;; | ||
restart) | ||
$0 stop | ||
if is_running; then | ||
echo "Unable to stop, will not attempt to start" | ||
exit 1 | ||
fi | ||
$0 start | ||
;; | ||
status) | ||
if is_running; then | ||
echo "Running" | ||
else | ||
echo "Stopped" | ||
exit 1 | ||
fi | ||
;; | ||
*) | ||
echo "Usage: $0 {start|stop|restart|status}" | ||
exit 1 | ||
;; | ||
esac | ||
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exit 0 |