resource-agents 1:4.1.0~rc1-1ubuntu1 / usr / lib / ocf / resource.d / heartbeat / pgagent

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/usr/lib/ocf/resource.d/heartbeat/pgagent is in resource-agents 1:4.1.0~rc1-1ubuntu1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below. 

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#!/bin/sh
#
# High-Availability pgagent OCF resource agent
#
# Description:  Starts/stops pgagent
# Author:       Oleg Selin
# License:      GNU General Public License (GPL)
#
# OCF parameters:
#  OCF_RESKEY_connection_string
#  OCF_RESKEY_user
#  OCF_RESKEY_options
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs

OCF_RESKEY_executable_default="`which pgagent`"
OCF_RESKEY_connection_string_default="user=postgres host=/var/run/postgresql"
OCF_RESKEY_user_default="postgres"
OCF_RESKEY_options_default="-r 1 -t 1"

: ${OCF_RESKEY_executable="${OCF_RESKEY_executable_default}"}
: ${OCF_RESKEY_connection_string="${OCF_RESKEY_connection_string_default}"}
: ${OCF_RESKEY_user="${OCF_RESKEY_user_default}"}
: ${OCF_RESKEY_options="${OCF_RESKEY_options_default}"}

pgagent_validate_all() {
        check_binary pgagent
        ocf_log debug "executable: '$OCF_RESKEY_executable'"
        ocf_log debug "connection string: '$OCF_RESKEY_connection_string'"
        ocf_log debug "user: '$OCF_RESKEY_user'"
        ocf_log debug "options: '$OCF_RESKEY_options'"
        if [ -z "$OCF_RESKEY_connection_string" ]; then
                ocf_log err "Connection string is not configured!"
                exit $OCF_ERR_CONFIGURED
        fi
        if [ -z "$OCF_RESKEY_user" ]; then
                ocf_log err "User is not configured!"
                exit $OCF_ERR_CONFIGURED
        fi
        getent passwd $OCF_RESKEY_user >/dev/null 2>&1
        if [ ! $? -eq 0 ]; then
                ocf_log err "User $OCF_RESKEY_user doesn't exist";
                return $OCF_ERR_CONFIGURED;
        fi
        return $OCF_SUCCESS
}

pgagent_start() {
        pgagent_validate_all
        nohup su - $OCF_RESKEY_user -c "'$OCF_RESKEY_executable' $OCF_RESKEY_options '$OCF_RESKEY_connection_string'" > /dev/null 2>&1 &
        sleep 1
        if pgagent_monitor; then
                return $OCF_SUCCESS
        fi
        return $OCF_ERR_GENERIC
}

pgagent_stop() {
        pgagent_validate_all
        pid=`pgrep -f -x -U $OCF_RESKEY_user "$OCF_RESKEY_executable $OCF_RESKEY_options $OCF_RESKEY_connection_string"`
        if [ -n "$pid" ]; then
                ocf_run kill $pid || return $OCF_ERR_GENERIC
        fi
        return $OCF_SUCCESS
}

pgagent_monitor() {
        if [ -z "$OCF_RESKEY_executable" ]; then
                return $OCF_ERR_INSTALLED
        fi
        ocf_run pgrep -f -x -U "$OCF_RESKEY_user" "$OCF_RESKEY_executable $OCF_RESKEY_options $OCF_RESKEY_connection_string" || return $OCF_NOT_RUNNING
        return $OCF_SUCCESS
}

meta_data() {
        cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="pgagent">
<version>1.0</version>
<longdesc lang="en">This is a pgagent Resource Agent.</longdesc>
<shortdesc lang="en">Controls pgagent</shortdesc>
<parameters>
<parameter name="connection_string">
<longdesc lang="en">Connection string for pgagent.</longdesc>
<shortdesc lang="en">pgagent connection string</shortdesc>
<content type="string" default="$OCF_RESKEY_connection_string_default" />
</parameter>
<parameter name="user">
<longdesc lang="en">User to run pgagent as.</longdesc>
<shortdesc lang="en">User to run pgagent</shortdesc>
<content type="string" default="$OCF_RESKEY_user_default" />
</parameter>
<parameter name="options">
<longdesc lang="en">Options for pgagent.</longdesc>
<shortdesc lang="en">pgagent run options, see pgagent --help for details</shortdesc>
<content type="string" default="$OCF_RESKEY_options_default" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="5" />
<action name="stop" timeout="5" />
<action name="monitor" timeout="20" interval="10" depth="0" />
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="5" />
</actions>
</resource-agent>
END
}

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

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

case $__OCF_ACTION in
start)          pgagent_start;;
stop)           pgagent_stop;;
monitor)        pgagent_monitor;;
validate-all)   pgagent_validate_all;;
usage|help)     pgagent_usage
                exit $OCF_SUCCESS
                ;;
meta-data)      meta_data
                exit $OCF_SUCCESS
                ;;
*)              pgagent_usage
                exit $OCF_ERR_UNIMPLEMENTED
                ;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc

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