monasca-agent/packaging/monasca-agent.init.template
Shinya Kawabata c29232a263 Fix typo
Change-Id: I420f443efe9aa6d3b09f261def20df3209c321c6
2015-09-24 16:00:56 +09:00

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#!/bin/sh
### BEGIN INIT INFO
# Provides: monasca-agent
# Short-Description: Start and start monasca-agent
# Description: monasca-agent is the monitoring Agent component OpenStack Monitoring
# Required-Start: $remote_fs
# Required-Stop: $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
### END INIT INFO
PATH=$PATH:/usr/local/bin # supervisord might live here
PATH=$PATH:/sbin
AGENTPATH="{prefix}/bin/monasca-collector"
AGENTCONF="{config_dir}/agent.yaml"
MONASCASTATSDPATH="{prefix}/bin/monasca-statsd"
AGENTUSER="{monasca_user}"
FORWARDERPATH="{prefix}/bin/monasca-forwarder"
NAME="monasca-agent"
DESC="Monasca Monitoring Agent"
AGENT_PID_PATH="/var/tmp/monasca-agent.pid"
SUPERVISOR_PIDFILE="/var/tmp/monasca-agent-supervisord.pid"
SUPERVISOR_FILE="{config_dir}/supervisor.conf"
SUPERVISOR_SOCK="/var/tmp/monasca-agent-supervisor.sock"
SUPERVISORD="{prefix}/bin/supervisord"
SUPERVISORCTL="{prefix}/bin/supervisorctl"
# This script is considered a configuration file and will not be
# removed by dpkg unless the --purge option it set. Therefore we
# make sure that the Agent is actually installed before we try to do anything:
if [ ! -x $AGENTPATH ]; then
echo "$AGENTPATH not found. Exiting."
exit 0
fi
check_status() {{
# If the socket exists, we can use supervisorctl
if [ -e $SUPERVISOR_SOCK ]; then
# If we're using supervisor, check the number of processes
# supervisor is currently controlling, and make sure that it's the
# same as the number of programs specified in the supervisor config
# file:
supervisor_processes=$($SUPERVISORCTL -c $SUPERVISOR_FILE status)
supervisor_processes=$(echo "$supervisor_processes" |
grep -v pup |
grep $NAME |
grep -c RUNNING)
supervisor_config_programs=$(grep -v pup $SUPERVISOR_FILE |
grep -c '\[program:')
if [ "$supervisor_processes" -ne "$supervisor_config_programs" ]; then
echo "$supervisor_processes"
echo "$DESC (supervisor) is NOT running all child processes"
return 1
else
echo "$DESC (supervisor) is running all child processes"
return 0
fi
else
echo "$DESC (supervisor) is not running"
return 1
fi
}}
# Action to take
case "$1" in
start)
if [ ! -f $AGENTCONF ]; then
echo "$AGENTCONF not found. Exiting."
exit 3
fi
check_status > /dev/null
if [ $? -eq 0 ]; then
echo "$DESC is already running"
exit 0
fi
su $AGENTUSER -c "$AGENTPATH configcheck" > /dev/null
if [ $? -ne 0 ]; then
echo "Invalid check configuration. Please run sudo /etc/init.d/monasca-agent configtest for more details."
echo "Resuming starting process."
fi
echo "Starting $DESC (using supervisord)" "$NAME"
$SUPERVISORD -c $SUPERVISOR_FILE -u $AGENTUSER --pidfile $SUPERVISOR_PIDFILE
if [ $? -ne 0 ]; then
exit $?
fi
# check if the agent is running once per second for 10 seconds
retries=10
while [ $retries -gt 1 ]; do
if check_status > /dev/null; then
# We've started up successfully. Exit cleanly
exit 0
else
retries=$(($retries - 1))
sleep 1
fi
done
# After 10 tries the agent didn't start. Report an error
exit 1
check_status # report what went wrong
$0 stop
exit 1
;;
stop)
echo "Stopping $DESC (stopping supervisord)" "$NAME"
if [ -e $SUPERVISOR_PIDFILE ]; then
kill `cat $SUPERVISOR_PIDFILE`
else
echo "Pid file $SUPERVISOR_PIDFILE not found, nothing to stop"
fi
exit $?
;;
info)
shift # Shift 'info' out of args so we can pass any
# additional options to the real command
# (right now only monasca-agent supports additional flags)
su $AGENTUSER -c "$AGENTPATH info $@"
COLLECTOR_RETURN=$?
su $AGENTUSER -c "$MONASCASTATSDPATH info"
MONASCASTATSD_RETURN=$?
su $AGENTUSER -c "$FORWARDERPATH info"
FORWARDER_RETURN=$?
exit $(($COLLECTOR_RETURN+$MONASCASTATSD_RETURN+$FORWARDER_RETURN))
;;
status)
check_status
;;
restart|force-reload)
$0 stop
sleep 1
$0 start
;;
configcheck)
su $AGENTUSER -c "$AGENTPATH configcheck"
exit $?
;;
configtest)
su $AGENTUSER -c "$AGENTPATH configcheck"
exit $?
;;
jmx)
shift
su $AGENTUSER -c "$AGENTPATH jmx $@"
exit $?
;;
*)
echo "Usage: /etc/init.d/$NAME {{start|stop|restart|info|status|configcheck|configtest|jmx}}"
exit 1
;;
esac
exit $?