70a035e920
The basic goal of the High Availability Linux project is to provide a high availability (clustering) solution for Linux (and Unix-like) which promotes reliability, availability, and serviceability (RAS) through a community development effort. Inspired from an original submission by Sebastian Reitenbach (maintainer) whom I want to thank for his work and patience.
186 lines
5.1 KiB
Bash
186 lines
5.1 KiB
Bash
#!/bin/sh
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#
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#
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# Apache 1.3 OCF RA. Manages OpenBSD 1.3 httpd.
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#
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# Copyright (c) 2007 l00 bugdead prods, Sebastian Reitenbach
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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_ROOT}/resource.d/heartbeat/.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="apache13" version="0.1">
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<version>1.0</version>
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<longdesc lang="en">
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This resource agent manages OpenBSD apache server
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or clients.
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</longdesc>
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<shortdesc lang="en">OpenBSD apache</shortdesc>
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<parameters>
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<parameter name="apachectl" unique="1" required="1">
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<longdesc lang="en">
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Location of the apachectl binary.
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</longdesc>
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<shortdesc lang="en">apachectl location.</shortdesc>
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<content type="string" default="/usr/sbin/apachectl" />
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</parameter>
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<parameter name="pid" unique="1" required="1">
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<longdesc lang="en">
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Location to store the PID file.
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</longdesc>
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<shortdesc lang="en">PID file location.</shortdesc>
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<content type="string" default="/var/www/logs/httpd.pid" />
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</parameter>
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<parameter name="parameters" unique="1" required="1">
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<longdesc lang="en">
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Parameters to apachectl, e.g. start or startssl.
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</longdesc>
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<shortdesc lang="en">apachectl parameters.</shortdesc>
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<content type="string" default="start" />
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</parameter>
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</parameters>
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<actions>
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<action name="start" timeout="90" />
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<action name="stop" timeout="100" />
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<action name="monitor" timeout="20" interval="10" depth="0" start-delay="0" />
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<action name="reload" timeout="90" />
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<action name="migrate_to" timeout="100" />
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<action name="migrate_from" timeout="90" />
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<action name="meta-data" timeout="5" />
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<action name="verify-all" timeout="30" />
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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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# don't exit on TERM, to test that lrmd makes sure that we do exit
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trap sigterm_handler TERM
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sigterm_handler() {
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ocf_log info "They use TERM to bring us down. No such luck."
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return
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}
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apache13_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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apache13_start() {
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apache13_monitor
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if [ $? = $OCF_SUCCESS ]; then
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# apache13 is already running, nothing to do
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return $OCF_SUCCESS
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fi
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${OCF_RESKEY_apachectl} ${OCF_RESKEY_parameters}
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return ${OCF_SUCCESS}
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}
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apache13_stop() {
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ocf_log debug stop
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apache13_monitor
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if [ $? == $OCF_SUCCESS ]; then
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${OCF_RESKEY_apachectl} stop
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return $OCF_SUCCESS
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else
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${OCF_RESKEY_apachectl} stop
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fi
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${OCF_RESKEY_apachectl} stop
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return $OCF_SUCCESS
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}
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apache13_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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ps axwww | grep -e "parent" | grep -v grep > /dev/null 2>/dev/null
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if [ $? -eq 0 ];then
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return $OCF_SUCCESS
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else
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return $OCF_NOT_RUNNING
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fi
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}
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apache13_validate() {
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if [ ! -x ${OCF_RESKEY_apachectl} ];then
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return ${OCF_ERR_GENERIC}
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fi
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if [ ! -d `dirname ${OCF_RESKEY_pid}` ];then
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return ${OCF_ERR_GENERIC}
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fi
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return ${OCF_SUCCESS}
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}
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: ${OCF_RESKEY_apachectl=/usr/sbin/apachectl}
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: ${OCF_RESKEY_pid=/var/www/logs/httpd.pid}
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: ${OCF_RESKEY_parameters=start}
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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) apache13_start;;
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stop) apache13_stop;;
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monitor) apache13_monitor;;
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migrate_to) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrate_to}."
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apache13_stop
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;;
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migrate_from) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrated_from}."
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apache13_start
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;;
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reload) ocf_log err "Reloading..."
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apache13_start
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;;
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validate-all) apache13_validate;;
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usage|help) apache13_usage
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exit $OCF_SUCCESS
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;;
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*) apache13_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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