charm-neutron-gateway/files/NeutronAgentMon
2015-01-15 10:00:38 +00:00

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#!/bin/sh
#
#
# NeutronAgentMon OCF RA.
# Starts crm_mon in background which logs cluster status as
# html to the specified file.
#
# Copyright 2014 Canonical Ltd.
#
# Authors: Hui Xiang <hui.xiang@canonical.com>
# Edward Hope-Morley <edward.hope-morley@canonical.com>
#
# OCF instance parameters:
# OCF_RESKEY_file
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs}
. ${OCF_FUNCTIONS}
: ${__OCF_ACTION=$1}
#######################################################################
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="NeutronAgentMon">
<version>1.0</version>
<longdesc lang="en">
This is a NeutronAgentMon Resource Agent.
It monitors the 'neutron-ha-monitor daemon' status.
</longdesc>
<shortdesc lang="en">Monitor '/usr/local/bin/neutron-ha-monitor.py' in the background.</shortdesc>
<parameters>
<parameter name="file" unique="0">
<longdesc lang="en">
The file we want to run as a daemon.
</longdesc>
<shortdesc lang="en">The file we want to run as a daemon.</shortdesc>
<content type="string" default="/usr/local/bin/neutron-ha-monitor.py" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20" />
<action name="stop" timeout="20" />
<action name="monitor" depth="0" timeout="20" interval="60" />
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="30" />
</actions>
</resource-agent>
END
}
#######################################################################
NeutronAgentMon_usage() {
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
NeutronAgentMon_exit() {
if [ $1 != 0 ]; then
exit $OCF_ERR_GENERIC
else
exit $OCF_SUCCESS
fi
}
NeutronAgentMon_start() {
pid=`sudo ps -aux | grep neutron-ha-m\[o\]nitor.py | awk -F' ' '{print $2}'`
if [ -z $pid ]; then
ocf_log info "[NeutronAgentMon_start] Start Monitor daemon."
sudo mkdir -p /var/log/neutron-ha
sudo python /usr/local/bin/neutron-ha-monitor.py \
--config-file /var/lib/juju-neutron-ha/neutron-ha-monitor.conf \
--log-file /var/log/neutron-ha/monitor.log >> /dev/null 2>&1 & echo $!
sleep 5
else
ocf_log warn "[NeutronAgentMon_start] Monitor daemon already running."
fi
NeutronAgentMon_exit $?
}
NeutronAgentMon_stop() {
pid=`sudo ps -aux | grep neutron-ha-m\[o\]nitor.py | awk -F' ' '{print $2}'`
if [ ! -z $pid ]; then
sudo kill -s 9 $pid
ocf_log info "[NeutronAgentMon_stop] Pid $pid is killed."
else
ocf_log warn "[NeutronAgentMon_stop] Monitor daemon already stopped."
fi
NeutronAgentMon_exit 0
}
NeutronAgentMon_monitor() {
pid=`sudo ps -aux | grep neutron-ha-m\[o\]nitor.py | awk -F' ' '{print $2}'`
if [ ! -z $pid ]; then
ocf_log info "[NeutronAgentMon_monitor] success."
exit $OCF_SUCCESS
fi
exit $OCF_NOT_RUNNING
}
NeutronAgentMon_validate() {
# Existence of the user
if [ -f $OCF_RESKEY_file ]; then
echo "Validate OK"
return $OCF_SUCCESS
else
ocf_log err "The file $OCF_RESKEY_file does not exist!"
exit $OCF_ERR_ARGS
fi
}
if [ $# -ne 1 ]; then
NeutronAgentMon_usage
exit $OCF_ERR_ARGS
fi
: ${OCF_RESKEY_update:="15000"}
: ${OCF_RESKEY_pidfile:="/tmp/NeutronAgentMon_${OCF_RESOURCE_INSTANCE}.pid"}
: ${OCF_RESKEY_htmlfile:="/tmp/NeutronAgentMon_${OCF_RESOURCE_INSTANCE}.html"}
OCF_RESKEY_update=`expr $OCF_RESKEY_update / 1000`
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) NeutronAgentMon_start
;;
stop) NeutronAgentMon_stop
;;
monitor) NeutronAgentMon_monitor
;;
validate-all) NeutronAgentMon_validate
;;
usage|help) NeutronAgentMon_usage
exit $OCF_SUCCESS
;;
*) NeutronAgentMon_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
exit $?