pacemaker/extra/resources/controld - actifio - Git at Google

 #!/bin/sh
 #
 # OCF resource agent for managing the DLM controld process
 #
 # Copyright (c) 2009 Novell, Inc
 #                    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:

 : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs}
 . ${OCF_FUNCTIONS}
 : ${__OCF_ACTION=$1}

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

 if [ -e "$OCF_ROOT/resource.d/heartbeat/controld" ]; then
     ocf_log info "Using heartbeat controld agent"
     $OCF_ROOT/resource.d/heartbeat/controld $1
     exit $?
 fi

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

 <longdesc lang="en">
 This Resource Agent can control the dlm_controld services needed by cluster-aware file systems.
 It assumes that dlm_controld is in your default PATH.
 In most cases, it should be run as an anonymous clone.
 </longdesc>
 <shortdesc lang="en">DLM Agent for cluster file systems</shortdesc>

 <parameters>

 <parameter name="args" unique="1">
 <longdesc lang="en">
 Any additional options to start the dlm_controld service with
 </longdesc>
 <shortdesc lang="en">DLM Options</shortdesc>
 <content type="string" default="-s 0" />
 </parameter>

 <parameter name="configdir" unique="1">
 <longdesc lang="en">
 This parameter is deprecated and ignored
 </longdesc>
 <shortdesc lang="en">Deprecated and ignored</shortdesc>
 <content type="string" default="deprecated" />
 </parameter>

 <parameter name="daemon" unique="1">
 <longdesc lang="en">
 The daemon to start - supports gfs_controld(.pcmk) and dlm_controld(.pcmk)
 </longdesc>
 <shortdesc lang="en">The daemon to start</shortdesc>
 <content type="string" default="dlm_controld.pcmk" />
 </parameter>

 <parameter name="allow_stonith_disabled">
 <longdesc lang="en">
 Allow DLM start-up even if STONITH/fencing is disabled in the cluster.

 Setting this option to true will cause cluster malfunction and hangs on
 fail-over for DLM clients that require fencing (such as GFS2, OCFS2, and
 cLVM2).

 This option is advanced use only.
 </longdesc>
 <shortdesc lang="en">Allow start-up even without STONITH/fencing</shortdesc>
 <content type="string" default="false" />
 </parameter>

 </parameters>

 <actions>
 <action name="start"        timeout="90" />
 <action name="stop"         timeout="100" />
 <action name="monitor"      timeout="20" interval="10" depth="0" start-delay="0" />
 <action name="meta-data"    timeout="5" />
 <action name="validate-all"   timeout="30" />
 </actions>
 </resource-agent>
 END
 }

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

 CONFIGFS_DIR="/sys/kernel/config"
 DLM_CONFIGFS_DIR="${CONFIGFS_DIR}/dlm"
 DLM_SYSFS_DIR="/sys/kernel/dlm"

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

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

 check_uncontrolled_locks()
 {
     local tmp
     tmp=$(ls $DLM_SYSFS_DIR 2>&1)
     if [ $? -eq 0 ]; then
         if [ -n "$tmp" ]; then

             ocf_log err "Uncontrolled lockspace exists, system must reboot. Executing suicide fencing"
             stonith_admin --reboot=$(crm_node -n) --tag controld

             exit $OCF_ERR_GENERIC
         fi
     fi
 }

 controld_start() {
     controld_monitor; rc=$?

     case $rc in
       $OCF_SUCCESS)     return $OCF_SUCCESS;;
       $OCF_NOT_RUNNING) ;;
       *) return $OCF_ERR_GENERIC;;
     esac

     # Ensure configfs is mounted
     if [ ! -e "$CONFIGFS_DIR" ]; then
         modprobe configfs
         if [ ! -e "$CONFIGFS_DIR" ]; then
            ocf_log err "$CONFIGFS_DIR not available"
            return $OCF_ERR_INSTALLED
         fi
     fi
     mount -t configfs | grep " $CONFIGFS_DIR " >/dev/null 2>/dev/null
     if [ $? -ne 0 ]; then
        mount -t configfs none "$CONFIGFS_DIR"
     fi

     # Ensure DLM is available
     if [ ! -e "$DLM_CONFIGFS_DIR" ]; then
        modprobe dlm
        if [ ! -e "$DLM_CONFIGFS_DIR" ]; then
           ocf_log err "$DLM_CONFIGFS_DIR not available"
           return $OCF_ERR_INSTALLED
        fi
     fi

     if ! ocf_is_true "$OCF_RESKEY_allow_stonith_disabled" && \
         ! ocf_is_true "`crm_attribute --type=crm_config --name=stonith-enabled --query --quiet --default=true`"; then
         ocf_log err "The cluster property stonith-enabled may not be deactivated to use the DLM"
         return $OCF_ERR_CONFIGURED
     fi

     ${OCF_RESKEY_daemon} $OCF_RESKEY_args

     while true
     do
         sleep 1

         controld_monitor; rc=$?
         case $rc in
           $OCF_SUCCESS)
             local addr_list
             addr_list="$(cat "${DLM_CONFIGFS_DIR}"/cluster/comms/*/addr_list 2>/dev/null)"
             if [ $? -eq 0 ] && [ -n "$addr_list" ]; then
                 return $OCF_SUCCESS
             fi
             ;;
           $OCF_NOT_RUNNING)
             return $OCF_NOT_RUNNING
             ;;
           *)
             return $OCF_ERR_GENERIC
             ;;
         esac

         ocf_log debug "Waiting for ${OCF_RESKEY_daemon} to be ready"
     done
 }

 controld_stop() {
     controld_monitor; rc=$?

     if [ $rc = $OCF_NOT_RUNNING ]; then
         return $OCF_SUCCESS
     fi

     killall -TERM ${OCF_RESKEY_daemon}; rc=$?

     if [ $rc != 0 ]; then
         return $OCF_ERR_GENERIC
     fi

     rc=$OCF_SUCCESS
     while [ $rc = $OCF_SUCCESS ]; do
         controld_monitor; rc=$?
         sleep 1
     done

     if [ $rc = $OCF_NOT_RUNNING ]; then
         rc=$OCF_SUCCESS
     fi

     return $rc
 }

 controld_monitor() {
     local rc
     killall -0 ${OCF_RESKEY_daemon} >/dev/null 2>&1 ; rc=$?

     case $rc in
       0) smw=$(dlm_tool status -v | grep "stateful_merge_wait=" | cut -d= -f2)
          if [ -n "$smw" ] && [ $smw -eq 1 ]; then
              ocf_log err "DLM status is: stateful_merge_wait"
              rc=$OCF_ERR_GENERIC
          elif [ -z "$smw" ] && dlm_tool ls | grep -q "wait fencing" && \
               ! stonith_admin -H '*' -V | grep -q "wishes to"; then
              ocf_log err "DLM status is: wait fencing"
              rc=$OCF_ERR_GENERIC
          else
              rc=$OCF_SUCCESS
          fi
          ;;
       1) rc=$OCF_NOT_RUNNING;;
       *) rc=$OCF_ERR_GENERIC;;
     esac

     # if the dlm is not successfully running, but
     # dlm lockspace bits are left over, we self must fence.
     if [ $rc -ne $OCF_SUCCESS ]; then
         check_uncontrolled_locks
     fi

     return $rc
 }

 controld_validate() {
     check_binary killall
     check_binary ${OCF_RESKEY_daemon}

     case ${OCF_RESKEY_CRM_meta_globally_unique} in
         yes|Yes|true|True|1)
             ocf_log err "$OCF_RESOURCE_INSTANCE must be configured with the globally_unique=false meta attribute"
             exit $OCF_ERR_CONFIGURED
             ;;
     esac

     [ -d /var/run/cluster ] || mkdir /var/run/cluster

     return $OCF_SUCCESS
 }

 : ${OCF_RESKEY_sctp=false}
 : ${OCF_RESKEY_CRM_meta_globally_unique:="false"}

 case "$HA_quorum_type" in
     pcmk) daemon_ext=".pcmk";;
     *) daemon_ext="";;
 esac

 case "$OCF_RESOURCE_INSTANCE" in
     *[gG][fF][sS]*)
         : ${OCF_RESKEY_args=-g 0}
         : ${OCF_RESKEY_daemon=gfs_controld${daemon_ext}}
         ;;
     *[dD][lL][mM]*)
         : ${OCF_RESKEY_args=-s 0}
         : ${OCF_RESKEY_daemon=dlm_controld${daemon_ext}}
         ;;
     *)
         : ${OCF_RESKEY_args=-s 0}
         : ${OCF_RESKEY_daemon=dlm_controld${daemon_ext}}
 esac

 case $__OCF_ACTION in
 meta-data)      meta_data
                 exit $OCF_SUCCESS
                 ;;
 start)          controld_validate; controld_start;;
 stop)           controld_stop;;
 monitor)        controld_validate; controld_monitor;;
 validate-all)   controld_validate;;
 usage|help)     controld_usage
                 exit $OCF_SUCCESS
                 ;;
 *)              controld_usage
                 exit $OCF_ERR_UNIMPLEMENTED
                 ;;
 esac
 rc=$?

 exit $rc
	#!/bin/sh
	#
	# OCF resource agent for managing the DLM controld process
	#
	# Copyright (c) 2009 Novell, Inc
	# 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:

	: ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs}
	. ${OCF_FUNCTIONS}
	: ${__OCF_ACTION=$1}

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

	if [ -e "$OCF_ROOT/resource.d/heartbeat/controld" ]; then
	ocf_log info "Using heartbeat controld agent"
	$OCF_ROOT/resource.d/heartbeat/controld $1
	exit $?
	fi

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

	<longdesc lang="en">
	This Resource Agent can control the dlm_controld services needed by cluster-aware file systems.
	It assumes that dlm_controld is in your default PATH.
	In most cases, it should be run as an anonymous clone.
	</longdesc>
	<shortdesc lang="en">DLM Agent for cluster file systems</shortdesc>

	<parameters>

	<parameter name="args" unique="1">
	<longdesc lang="en">
	Any additional options to start the dlm_controld service with
	</longdesc>
	<shortdesc lang="en">DLM Options</shortdesc>
	<content type="string" default="-s 0" />
	</parameter>

	<parameter name="configdir" unique="1">
	<longdesc lang="en">
	This parameter is deprecated and ignored
	</longdesc>
	<shortdesc lang="en">Deprecated and ignored</shortdesc>
	<content type="string" default="deprecated" />
	</parameter>

	<parameter name="daemon" unique="1">
	<longdesc lang="en">
	The daemon to start - supports gfs_controld(.pcmk) and dlm_controld(.pcmk)
	</longdesc>
	<shortdesc lang="en">The daemon to start</shortdesc>
	<content type="string" default="dlm_controld.pcmk" />
	</parameter>

	<parameter name="allow_stonith_disabled">
	<longdesc lang="en">
	Allow DLM start-up even if STONITH/fencing is disabled in the cluster.

	Setting this option to true will cause cluster malfunction and hangs on
	fail-over for DLM clients that require fencing (such as GFS2, OCFS2, and
	cLVM2).

	This option is advanced use only.
	</longdesc>
	<shortdesc lang="en">Allow start-up even without STONITH/fencing</shortdesc>
	<content type="string" default="false" />
	</parameter>

	</parameters>

	<actions>
	<action name="start" timeout="90" />
	<action name="stop" timeout="100" />
	<action name="monitor" timeout="20" interval="10" depth="0" start-delay="0" />
	<action name="meta-data" timeout="5" />
	<action name="validate-all" timeout="30" />
	</actions>
	</resource-agent>
	END
	}

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

	CONFIGFS_DIR="/sys/kernel/config"
	DLM_CONFIGFS_DIR="${CONFIGFS_DIR}/dlm"
	DLM_SYSFS_DIR="/sys/kernel/dlm"

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

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

	check_uncontrolled_locks()
	{
	local tmp
	tmp=$(ls $DLM_SYSFS_DIR 2>&1)
	if [ $? -eq 0 ]; then
	if [ -n "$tmp" ]; then

	ocf_log err "Uncontrolled lockspace exists, system must reboot. Executing suicide fencing"
	stonith_admin --reboot=$(crm_node -n) --tag controld

	exit $OCF_ERR_GENERIC
	fi
	fi
	}

	controld_start() {
	controld_monitor; rc=$?

	case $rc in
	$OCF_SUCCESS) return $OCF_SUCCESS;;
	$OCF_NOT_RUNNING) ;;
	*) return $OCF_ERR_GENERIC;;
	esac

	# Ensure configfs is mounted
	if [ ! -e "$CONFIGFS_DIR" ]; then
	modprobe configfs
	if [ ! -e "$CONFIGFS_DIR" ]; then
	ocf_log err "$CONFIGFS_DIR not available"
	return $OCF_ERR_INSTALLED
	fi
	fi
	mount -t configfs \| grep " $CONFIGFS_DIR " >/dev/null 2>/dev/null
	if [ $? -ne 0 ]; then
	mount -t configfs none "$CONFIGFS_DIR"
	fi

	# Ensure DLM is available
	if [ ! -e "$DLM_CONFIGFS_DIR" ]; then
	modprobe dlm
	if [ ! -e "$DLM_CONFIGFS_DIR" ]; then
	ocf_log err "$DLM_CONFIGFS_DIR not available"
	return $OCF_ERR_INSTALLED
	fi
	fi

	if ! ocf_is_true "$OCF_RESKEY_allow_stonith_disabled" && \
	! ocf_is_true "`crm_attribute --type=crm_config --name=stonith-enabled --query --quiet --default=true`"; then
	ocf_log err "The cluster property stonith-enabled may not be deactivated to use the DLM"
	return $OCF_ERR_CONFIGURED
	fi

	${OCF_RESKEY_daemon} $OCF_RESKEY_args

	while true
	do
	sleep 1

	controld_monitor; rc=$?
	case $rc in
	$OCF_SUCCESS)
	local addr_list
	addr_list="$(cat "${DLM_CONFIGFS_DIR}"/cluster/comms/*/addr_list 2>/dev/null)"
	if [ $? -eq 0 ] && [ -n "$addr_list" ]; then
	return $OCF_SUCCESS
	fi
	;;
	$OCF_NOT_RUNNING)
	return $OCF_NOT_RUNNING
	;;
	*)
	return $OCF_ERR_GENERIC
	;;
	esac

	ocf_log debug "Waiting for ${OCF_RESKEY_daemon} to be ready"
	done
	}

	controld_stop() {
	controld_monitor; rc=$?

	if [ $rc = $OCF_NOT_RUNNING ]; then
	return $OCF_SUCCESS
	fi

	killall -TERM ${OCF_RESKEY_daemon}; rc=$?

	if [ $rc != 0 ]; then
	return $OCF_ERR_GENERIC
	fi

	rc=$OCF_SUCCESS
	while [ $rc = $OCF_SUCCESS ]; do
	controld_monitor; rc=$?
	sleep 1
	done

	if [ $rc = $OCF_NOT_RUNNING ]; then
	rc=$OCF_SUCCESS
	fi

	return $rc
	}

	controld_monitor() {
	local rc
	killall -0 ${OCF_RESKEY_daemon} >/dev/null 2>&1 ; rc=$?

	case $rc in
	0) smw=$(dlm_tool status -v \| grep "stateful_merge_wait=" \| cut -d= -f2)
	if [ -n "$smw" ] && [ $smw -eq 1 ]; then
	ocf_log err "DLM status is: stateful_merge_wait"
	rc=$OCF_ERR_GENERIC
	elif [ -z "$smw" ] && dlm_tool ls \| grep -q "wait fencing" && \
	! stonith_admin -H '*' -V \| grep -q "wishes to"; then
	ocf_log err "DLM status is: wait fencing"
	rc=$OCF_ERR_GENERIC
	else
	rc=$OCF_SUCCESS
	fi
	;;
	1) rc=$OCF_NOT_RUNNING;;
	*) rc=$OCF_ERR_GENERIC;;
	esac

	# if the dlm is not successfully running, but
	# dlm lockspace bits are left over, we self must fence.
	if [ $rc -ne $OCF_SUCCESS ]; then
	check_uncontrolled_locks
	fi

	return $rc
	}

	controld_validate() {
	check_binary killall
	check_binary ${OCF_RESKEY_daemon}

	case ${OCF_RESKEY_CRM_meta_globally_unique} in
	yes\|Yes\|true\|True\|1)
	ocf_log err "$OCF_RESOURCE_INSTANCE must be configured with the globally_unique=false meta attribute"
	exit $OCF_ERR_CONFIGURED
	;;
	esac

	[ -d /var/run/cluster ] \|\| mkdir /var/run/cluster

	return $OCF_SUCCESS
	}

	: ${OCF_RESKEY_sctp=false}
	: ${OCF_RESKEY_CRM_meta_globally_unique:="false"}

	case "$HA_quorum_type" in
	pcmk) daemon_ext=".pcmk";;
	*) daemon_ext="";;
	esac

	case "$OCF_RESOURCE_INSTANCE" in
	[gG][fF][sS])
	: ${OCF_RESKEY_args=-g 0}
	: ${OCF_RESKEY_daemon=gfs_controld${daemon_ext}}
	;;
	[dD][lL][mM])
	: ${OCF_RESKEY_args=-s 0}
	: ${OCF_RESKEY_daemon=dlm_controld${daemon_ext}}
	;;
	*)
	: ${OCF_RESKEY_args=-s 0}
	: ${OCF_RESKEY_daemon=dlm_controld${daemon_ext}}
	esac

	case $__OCF_ACTION in
	meta-data) meta_data
	exit $OCF_SUCCESS
	;;
	start) controld_validate; controld_start;;
	stop) controld_stop;;
	monitor) controld_validate; controld_monitor;;
	validate-all) controld_validate;;
	usage\|help) controld_usage
	exit $OCF_SUCCESS
	;;
	*) controld_usage
	exit $OCF_ERR_UNIMPLEMENTED
	;;
	esac
	rc=$?

	exit $rc