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Delay
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#!/bin/sh
#
#
# Support: linux-ha@lists.linux-ha.org
# License: GNU General Public License (GPL)
#
# This script is a test resource for introducing delay.
#
# usage: $0 {start|stop|status|monitor|meta-data}
#
# OCF parameters are as below:
# OCF_RESKEY_startdelay
# OCF_RESKEY_stopdelay
# OCF_RESKEY_mondelay
#
#
# OCF_RESKEY_startdelay defaults to 30 (seconds)
# OCF_RESKEY_stopdelay defaults to $OCF_RESKEY_startdelay
# OCF_RESKEY_mondelay defaults to $OCF_RESKEY_startdelay
#
#
# This is really a test resource script.
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
#######################################################################
usage() {
cat <<-!
usage: $0 {start|stop|status|monitor|meta-data|validate-all}
!
}
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="Delay">
<version>1.0</version>
<longdesc lang="en">
This script is a test resource for introducing delay.
</longdesc>
<shortdesc lang="en">Waits for a defined timespan</shortdesc>
<parameters>
<parameter name="startdelay" unique="0" required="0">
<longdesc lang="en">
How long in seconds to delay on start operation.
</longdesc>
<shortdesc lang="en">Start delay</shortdesc>
<content type="integer" default="30" />
</parameter>
<parameter name="stopdelay" unique="0" required="0">
<longdesc lang="en">
How long in seconds to delay on stop operation.
Defaults to "startdelay" if unspecified.
</longdesc>
<shortdesc lang="en">Stop delay</shortdesc>
<content type="integer" default="30" />
</parameter>
<parameter name="mondelay" unique="0" required="0">
<longdesc lang="en">
How long in seconds to delay on monitor operation.
Defaults to "startdelay" if unspecified.
</longdesc>
<shortdesc lang="en">Monitor delay</shortdesc>
<content type="integer" default="30" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="30" />
<action name="stop" timeout="30" />
<action name="status" depth="0" timeout="30" interval="10" />
<action name="monitor" depth="0" timeout="30" interval="10" />
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="5" />
</actions>
</resource-agent>
END
}
Delay_stat() {
ha_pseudo_resource Delay_${OCF_RESOURCE_INSTANCE} monitor
}
Delay_Status() {
if
Delay_stat
then
ocf_log info "Delay is running OK"
return $OCF_SUCCESS
else
ocf_log info "Delay is stopped"
return $OCF_NOT_RUNNING
fi
}
Delay_Monitor() {
Delay_Validate_All -q
sleep $OCF_RESKEY_mondelay
Delay_Status
}
Delay_Start() {
if
Delay_stat
then
ocf_log info "Delay already running."
return $OCF_SUCCESS
else
Delay_Validate_All -q
ha_pseudo_resource Delay_${OCF_RESOURCE_INSTANCE} start
rc=$?
sleep $OCF_RESKEY_startdelay
if
[ $rc -ne 0 ]
then
return $OCF_ERR_PERM
fi
return $OCF_SUCCESS
fi
}
Delay_Stop() {
if
Delay_stat
then
Delay_Validate_All -q
ha_pseudo_resource Delay_${OCF_RESOURCE_INSTANCE} stop
rc=$?
sleep $OCF_RESKEY_stopdelay
if
[ $rc -ne 0 ]
then
return $OCF_ERR_PERM
fi
return $OCF_SUCCESS
else
ocf_log info "Delay already stopped."
return $OCF_SUCCESS
fi
}
# Check if all the arguments are valid numbers, a string is considered valid if:
# 1. It does not contain any character but digits and period ".";
# 2. The period "." does not occur more than once
Are_Valid_Numbers() {
for i in "$@"; do
echo $i |grep -v [^0-9.] |grep -q -v [.].*[.]
if test $? -ne 0; then
return $OCF_ERR_ARGS
fi
done
return $OCF_SUCCESS
}
Delay_Validate_All() {
# Be quiet when specified -q option _and_ validation succeded
getopts "q" option
if test $option = "q"; then
quiet=yes
else
quiet=no
fi
shift $(($OPTIND -1))
if Are_Valid_Numbers $OCF_RESKEY_startdelay $OCF_RESKEY_stopdelay \
$OCF_RESKEY_mondelay; then
if test $quiet = "no"; then
echo "Validate OK"
fi
# _Return_ on validation success
return $OCF_SUCCESS
else
echo "Some of the instance parameters are invalid"
# _Exit_ on validation failure
exit $OCF_ERR_ARGS
fi
}
if [ $# -ne 1 ]; then
usage
exit $OCF_ERR_ARGS
fi
: ${OCF_RESKEY_startdelay=30}
: ${OCF_RESKEY_stopdelay=$OCF_RESKEY_startdelay}
: ${OCF_RESKEY_mondelay=$OCF_RESKEY_startdelay}
case $1 in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) Delay_Start
;;
stop) Delay_Stop
;;
monitor) Delay_Monitor
;;
status) Delay_Status
;;
validate-all) Delay_Validate_All
;;
usage) usage
exit $OCF_SUCCESS
;;
*) usage
exit $OCF_ERR_ARGS
;;
esac
exit $?

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