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/usr/lib/ocf/resource.d/heartbeat/pingd is in cluster-agents 1:1.0.4-0ubuntu2.

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The actual contents of the file can be viewed below.

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#!/bin/sh
#
#
#	pingd OCF Resource Agent
#	Records (in the CIB) the current number of ping nodes a
#	   cluster node can connect to.
#
# Copyright (c) 2006 Andrew Beekhof
#                    All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#######################################################################
# Initialization:

: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs

#######################################################################

meta_data() {
	cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="pingd">
<version>1.0</version>

<longdesc lang="en">
Deprecation warning: This agent is deprecated and may be removed from
a future release. See the ocf:pacemaker:pingd resource agent for a
supported alternative. --
This is a pingd Resource Agent.
It records (in the CIB) the current number of ping nodes a node can connect to.
</longdesc>
<shortdesc lang="en">Monitors connectivity to specific hosts or
IP addresses ("ping nodes") (deprecated)</shortdesc>

<parameters>

<parameter name="pidfile" unique="0">
<longdesc lang="en">PID file</longdesc>
<shortdesc lang="en">PID file</shortdesc>
<content type="string" default="$HA_RSCTMP/pingd-${OCF_RESOURCE_INSTANCE}" />
</parameter>


<parameter name="user" unique="0">
<longdesc lang="en">
The user we want to run pingd as
</longdesc>
<shortdesc lang="en">The user we want to run pingd as</shortdesc>
<content type="string" default="root" />
</parameter>

<parameter name="dampen" unique="0">
<longdesc lang="en">
The time to wait (dampening) further changes occur
</longdesc>
<shortdesc lang="en">Dampening interval</shortdesc>
<content type="integer" default="1s"/>
</parameter>

<parameter name="set" unique="0">
<longdesc lang="en">
The name of the instance_attributes set to place the value in.  Rarely needs to be specified.
</longdesc>
<shortdesc lang="en">Set name</shortdesc>
<content type="integer" default=""/>
</parameter>

<parameter name="name" unique="0">
<longdesc lang="en">
The name of the attributes to set.  This is the name to be used in the constraints.
</longdesc>
<shortdesc lang="en">Attribute name</shortdesc>
<content type="integer" default="${OCF_RESOURCE_INSTANCE}"/>
</parameter>

<parameter name="section" unique="0">
<longdesc lang="en">
The section place the value in.  Rarely needs to be specified.
</longdesc>
<shortdesc lang="en">Section name</shortdesc>
<content type="integer" default=""/>
</parameter>

<parameter name="multiplier" unique="0">
<longdesc lang="en">
The number by which to multiply the number of connected ping nodes by
</longdesc>
<shortdesc lang="en">Value multiplier</shortdesc>
<content type="integer" default=""/>
</parameter>

<parameter name="host_list" unique="0">
<longdesc lang="en">
The list of ping nodes to count.  Defaults to all configured ping nodes.  Rarely needs to be specified.
</longdesc>
<shortdesc lang="en">Host list</shortdesc>
<content type="integer" default=""/>
</parameter>

<parameter name="ignore_deprecation">
<longdesc lang="en">
If set to true, suppresses the deprecation warning for this agent.
</longdesc>
<shortdesc lang="en">Suppress deprecation warning</shortdesc>
<content type="boolean" default="false" />
</parameter>

</parameters>

<actions>
<action name="start"   timeout="20s" />
<action name="stop"    timeout="20s" />
<action name="monitor" depth="0"  timeout="20s" interval="10" />
<action name="meta-data"  timeout="5" />
<action name="validate-all"  timeout="20s" />
</actions>
</resource-agent>
END
}

#######################################################################

pingd_usage() {
	cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}

Expects to have a fully populated OCF RA-compliant environment set.
END
}

pingd_start() {
    extras=""
    if [ ! -z "$OCF_RESKEY_multiplier" ]; then
	extras="$extras -m $OCF_RESKEY_multiplier"
    fi
    if [ ! -z "$OCF_RESKEY_set" ]; then
	extras="$extras -s $OCF_RESKEY_set"
    fi
    if [ ! -z "$OCF_RESKEY_section" ]; then
	extras="$extras -S $OCF_RESKEY_section"
    fi
    for a_host in $OCF_RESKEY_host_list; do
	extras="$extras -h $a_host"
    done
    pingd_cmd="${HA_BIN}/pingd -D -p $OCF_RESKEY_pidfile -a $OCF_RESKEY_name -d $OCF_RESKEY_dampen $extras"

    if [ ! -z $OCF_RESKEY_user ]; then
	sudo -u $OCF_RESKEY_user $pingd_cmd
    else
	$pingd_cmd
    fi

    rc=$?
    if [ $rc = 0 ]; then
	exit $OCF_SUCCESS
    fi

    ocf_log err "Could not run $pingd_cmd : rc=$rc"
    exit $OCF_ERR_GENERIC
}

pingd_stop() {
    if [ -f $OCF_RESKEY_pidfile ]; then
	pid=`cat $OCF_RESKEY_pidfile`
    fi
    if [ ! -z $pid ]; then
	kill -s 9 $pid
	rc=$?

	if [ $rc = 0 -o $rc = 1 ]; then
	    rm $OCF_RESKEY_pidfile
	    exit $OCF_SUCCESS
	fi

	ocf_log err "Unexpected result from kill -9 $pid: $rc"
	exit $OCF_ERR_GENERIC
    fi
    exit $OCF_SUCCESS
}

pingd_monitor() {
    if [ -f $OCF_RESKEY_pidfile ]; then
	pid=`cat $OCF_RESKEY_pidfile`
    fi
    if [ ! -z $pid ]; then
	kill -s 0 $pid
	if [ $? = 0 ]; then
	    exit $OCF_SUCCESS
	fi
    fi
    exit $OCF_NOT_RUNNING
}

pingd_validate() {
# Existence of the user
    if [ ! -z $OCF_RESKEY_user ]; then
	getent passwd "$OCF_RESKEY_user" >/dev/null
	if [ $? -eq 0 ]; then
	    : Yes, user exists. We can further check his permission on crm_mon if necessary
	else
	    ocf_log err "The user $OCF_RESKEY_user does not exist!"
	    exit $OCF_ERR_ARGS
	fi
    fi

# Pidfile better be an absolute path
    case $OCF_RESKEY_pidfile in
	/*) ;;
	*) ocf_log warn "You should have pidfile($OCF_RESKEY_pidfile) of absolute path!" ;;
    esac

# Check the update interval
    if ocf_is_decimal "$OCF_RESKEY_update" && [ $OCF_RESKEY_update -gt 0 ]; then
	:
    else
	ocf_log err "Invalid update interval $OCF_RESKEY_update. It should be positive integer!"
	exit $OCF_ERR_ARGS
    fi

    echo "Validate OK"
    return $OCF_SUCCESS
}

if [ $# -ne 1 ]; then
    pingd_usage
    exit $OCF_ERR_ARGS
fi

: ${OCF_RESKEY_pidfile:="$HA_RSCTMP/pingd-${OCF_RESOURCE_INSTANCE}"}
: ${OCF_RESKEY_name:="pingd"}
: ${OCF_RESKEY_dampen:="1s"}

if [ "$__OCF_ACTION" = "meta-data" ]; then
    meta_data
    exit $OCF_SUCCESS
fi

# Be obnoxious, log deprecation warning on every invocation (unless
# suppressed by resource configuration).
ocf_deprecated

case $__OCF_ACTION in
start)		pingd_start
		;;
stop)		pingd_stop
		;;
monitor)	pingd_monitor
		;;
validate-all)	pingd_validate
		;;
usage|help)	pingd_usage
		exit $OCF_SUCCESS
		;;
*)		pingd_usage
		exit $OCF_ERR_UNIMPLEMENTED
		;;
esac

exit $?