225 lines
6.2 KiB
Bash
Executable File
225 lines
6.2 KiB
Bash
Executable File
#!/bin/sh
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#
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#
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# DnsUpdater OCF RA. Does nothing but wait a few seconds, can be
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# configured to fail occassionally.
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#
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# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Brée
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# All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of version 2 of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Further, this software is distributed without any warranty that it is
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# free of the rightful claim of any third person regarding infringement
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# or the like. Any license provided herein, whether implied or
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# otherwise, applies only to this software file. Patent licenses, if
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# any, provided herein do not apply to combinations of this program with
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# other software, or any other product whatsoever.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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#
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#######################################################################
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# Initialization:
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: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
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. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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: ${OCF_FUEL_FUNCTIONS_DIR=${OCF_ROOT}/resource.d/fuel}
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. ${OCF_FUEL_FUNCTIONS_DIR}/ocf-fuel-funcs
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#######################################################################
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# Fill in some defaults if no values are specified
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OCF_RESKEY_binary_default="openstack-dns-updater.py"
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#OCF_RESKEY_config_default="/etc/aodh/aodh.conf"
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#OCF_RESKEY_user_default="aodh"
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OCF_RESKEY_pid_default="${HA_RSCTMP}/${__SCRIPT_NAME}/${__SCRIPT_NAME}.pid"
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: ${HA_LOGTAG="ocf-dns-updater"}
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: ${HA_LOGFACILITY="daemon"}
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: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}}
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#: ${OCF_RESKEY_config=${OCF_RESKEY_config_default}}
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#: ${OCF_RESKEY_user=${OCF_RESKEY_user_default}}
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: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}}
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#######################################################################
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usage() {
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cat <<UEND
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usage: $0 (start|stop|status)
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$0 manages an OpenStack DnsUpdater Service process as an HA resource
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The 'start' operation starts the service.
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The 'stop' operation stops the service.
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The 'status' operation reports whether the service is running
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UEND
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}
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meta_data() {
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cat <<END
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<?xml version="1.0"?>
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<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
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<resource-agent name="DnsUpdater">
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<version>1.0</version>
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<longdesc lang="en">
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sample dnsupdater resource
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</longdesc>
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<shortdesc lang="en">Example stateless resource agent</shortdesc>
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<parameters>
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<parameter name="pid" unique="0" required="0">
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<longdesc lang="en">
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The pid file to use for this OpenStack Aodh Evaluator Service (aodh-evaluator) instance
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</longdesc>
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<shortdesc lang="en">OpenStack Aodh Evaluator Service (aodh-evaluator) pid file</shortdesc>
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<content type="string" default="${OCF_RESKEY_pid_default}" />
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</parameter>
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</parameters>
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<actions>
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<action name="start" timeout="20" />
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<action name="stop" timeout="20" />
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<action name="status" timeout="20" />
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</actions>
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</resource-agent>
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END
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}
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#######################################################################
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dnsupdater_validate() {
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local rc
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return ${OCF_SUCCESS}
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}
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dnsupdater_status() {
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local pid
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local rc
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# check and make PID file dir
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local PID_DIR="$( dirname ${OCF_RESKEY_pid} )"
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if [ ! -d "${PID_DIR}" ] ; then
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ocf_log debug "Create pid file dir: ${PID_DIR}"
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mkdir -p "${PID_DIR}"
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chmod 755 "${PID_DIR}"
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fi
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if [ ! -f $OCF_RESKEY_pid ]; then
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ocf_log info "DnsUpdater is not running"
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return $OCF_NOT_RUNNING
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else
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pid=`cat $OCF_RESKEY_pid`
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fi
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if [ -n "${pid}" ]; then
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ocf_run -warn kill -s 0 $pid
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rc=$?
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else
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ocf_log err "PID file ${OCF_RESKEY_pid} is empty!"
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return $OCF_ERR_GENERIC
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fi
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if [ $rc -eq 0 ]; then
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return $OCF_SUCCESS
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else
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ocf_log info "Old PID file found, but DnsUpdater not running"
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return $OCF_NOT_RUNNING
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fi
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}
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dnsupdater_monitor() {
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local rc
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local pid
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dnsupdater_status
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rc=$?
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# If status returned anything but success, return that immediately
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if [ $rc -ne $OCF_SUCCESS ]; then
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return $rc
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fi
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ocf_log debug "OpenStack DnsUpdater monitor succeeded"
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return $OCF_SUCCESS
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}
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dnsupdater_start() {
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dnsupdater_status
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rc=$?
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if [ $rc -eq $OCF_SUCCESS ]; then
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ocf_log info "OpenStack DnsUpdater is already running"
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return $OCF_SUCCESS
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fi
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/usr/bin/python /usr/lib/python2.7/dist-packages/os_dns_updater/openstack-dns-updater.py >> /dev/null 2>&1 & echo $! > $OCF_RESKEY_pid
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ocf_log debug "Create pid file: ${OCF_RESKEY_pid} with content $(cat ${OCF_RESKEY_pid})"
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# Spin waiting for the server to come up.
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while true; do
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dnsupdater_monitor
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rc=$?
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[ $rc -eq $OCF_SUCCESS ] && break
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if [ $rc -ne $OCF_NOT_RUNNING ]; then
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ocf_log err "OpenStack DnsUpdater start failed"
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exit $OCF_ERR_GENERIC
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fi
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sleep 1
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done
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ocf_log info "OpenStack DnsUpdater started"
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return $OCF_SUCCESS
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}
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dnsupdater_stop() {
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local rc
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local shutdown_timeout=15
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if [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then
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shutdown_timeout=$(( ($OCF_RESKEY_CRM_meta_timeout/1000) ))
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fi
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dnsupdater_status
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rc="${?}"
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if [ "${rc}" -eq "${OCF_NOT_RUNNING}" ]; then
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ocf_log info "OpenStack DnsUpdater (${OCF_RESKEY_binary}) already stopped"
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return "${OCF_SUCCESS}"
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fi
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proc_stop "${OCF_RESKEY_pid}" "${OCF_RESKEY_binary}" $shutdown_timeout
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return "${?}"
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}
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#######################################################################
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case "$1" in
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meta-data) meta_data
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exit $OCF_SUCCESS;;
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usage|help) usage
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exit $OCF_SUCCESS;;
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esac
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# Anything except meta-data and help must pass validation
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dnsupdater_validate || exit $?
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# What kind of method was invoked?
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case "$1" in
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start) dnsupdater_start;;
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stop) dnsupdater_stop;;
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status) dnsupdater_status;;
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monitor) dnsupdater_monitor;;
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validate-all) ;;
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*) usage
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exit $OCF_ERR_UNIMPLEMENTED;;
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esac
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