165 lines
5.4 KiB
Bash
Executable File
165 lines
5.4 KiB
Bash
Executable File
#!/bin/sh
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#
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#
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# dnsupdater-failover 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-Bree
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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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. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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#######################################################################
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meta_data() {
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cat <<END
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<?xml version="1.0"?>
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<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
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<resource-agent name="dnsupdater-failover" version="0.9">
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<version>1.0</version>
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<longdesc lang="en">
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Failover ocf script for sbrf dns-updater
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</longdesc>
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<shortdesc lang="en">ocf for dnsupdater</shortdesc>
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<parameters>
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<parameter name="state" unique="1">
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<longdesc lang="en">
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Location to store the resource state in.
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</longdesc>
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<shortdesc lang="en">State file</shortdesc>
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<content type="string" default="${HA_RSCTMP}/dnsupdater-failover-${OCF_RESOURCE_INSTANCE}.state" />
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</parameter>
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<parameter name="fake" unique="0">
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<longdesc lang="en">
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Fake attribute that can be changed to cause a reload
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</longdesc>
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<shortdesc lang="en">Fake attribute that can be changed to cause a reload</shortdesc>
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<content type="string" default="dnsupdater-failover" />
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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="monitor" timeout="20" interval="10" depth="0" />
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<action name="reload" timeout="20" />
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<action name="migrate_to" timeout="20" />
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<action name="migrate_from" timeout="20" />
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<action name="meta-data" timeout="5" />
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<action name="validate-all" 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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dnsupdaterfailover_usage() {
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cat <<END
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usage: $0 {start|stop|monitor|migrate_to|migrate_from|validate-all|meta-data}
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Expects to have a fully populated OCF RA-compliant environment set.
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END
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}
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dnsupdaterfailover_start() {
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dnsupdater-failover_monitor
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/usr/bin/python /usr/lib/python2.7/dist-packages/os_dns_updater/openstack-dns-updater.py
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if [ $? = $OCF_SUCCESS ]; then
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return $OCF_SUCCESS
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fi
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touch ${OCF_RESKEY_state}
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}
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dnsupdaterfailover_stop() {
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dnsupdater-failover_monitor
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if [ $? = $OCF_SUCCESS ]; then
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rm ${OCF_RESKEY_state}
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fi
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return $OCF_SUCCESS
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}
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dnsupdaterfailover_monitor() {
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# Monitor _MUST!_ differentiate correctly between running
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# (SUCCESS), failed (ERROR) or _cleanly_ stopped (NOT RUNNING).
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# That is THREE states, not just yes/no.
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if [ -f ${OCF_RESKEY_state} ]; then
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return $OCF_SUCCESS
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fi
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if false ; then
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return $OCF_ERR_GENERIC
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fi
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if ! ocf_is_probe && [ "$__OCF_ACTION" = "monitor" ]; then
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# set exit string only when NOT_RUNNING occurs during an actual monitor operation.
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ocf_exit_reason "No process state file found"
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fi
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return $OCF_NOT_RUNNING
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}
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dnsupdaterfailover_validate() {
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# Is the state directory writable?
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state_dir=`dirname "$OCF_RESKEY_state"`
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touch "$state_dir/$$"
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if [ $? != 0 ]; then
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ocf_exit_reason "State file \"$OCF_RESKEY_state\" is not writable"
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return $OCF_ERR_ARGS
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fi
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rm "$state_dir/$$"
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return $OCF_SUCCESS
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}
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: ${OCF_RESKEY_state=${HA_RSCTMP}/dnsupdater-failover-${OCF_RESOURCE_INSTANCE}.state}
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: ${OCF_RESKEY_fake="dnsupdaterfailover"}
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case $__OCF_ACTION in
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meta-data) meta_data
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exit $OCF_SUCCESS
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;;
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start) dnsupdaterfailover_start;;
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stop) dnsupdaterfailover_stop;;
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monitor) dnsupdaterfailover_monitor;;
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migrate_to) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrate_target}."
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dnsupdaterfailover_stop
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;;
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migrate_from) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} from ${OCF_RESKEY_CRM_meta_migrate_source}."
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dnsupdaterfailover_start
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;;
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reload) ocf_log info "Reloading ${OCF_RESOURCE_INSTANCE} ..."
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;;
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validate-all) dnsupdaterfailover_validate;;
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usage|help) dnsupdaterfailover_usage
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exit $OCF_SUCCESS
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;;
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*) dnsupdaterfailover_usage
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exit $OCF_ERR_UNIMPLEMENTED
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;;
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esac
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rc=$?
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ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
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exit $rc
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