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+#!@BASH_SHELL@
+
+#
+# Cluster File System mount/umount/fsck/etc. agent
+#
+# Copyright (C) 2000 Mission Critical Linux
+# Copyright (C) 2002-2011 Red Hat, Inc. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+
+. $(dirname $0)/utils/fs-lib.sh
+
+do_metadata()
+{
+ cat <<EOT
+<?xml version="1.0" ?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1-modified.dtd">
+<resource-agent name="clusterfs" version="rgmanager 2.0">
+ <version>1.0</version>
+
+ <longdesc lang="en">
+ This defines a cluster file system mount (i.e. GFS)
+ </longdesc>
+ <shortdesc lang="en">
+ Defines a cluster file system mount.
+ </shortdesc>
+
+ <parameters>
+ <parameter name="name" primary="1">
+ <longdesc lang="en">
+ Symbolic name for this file system.
+ </longdesc>
+ <shortdesc lang="en">
+ File System Name
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="mountpoint" unique="1" required="1">
+ <longdesc lang="en">
+ Path in file system heirarchy to mount this file system.
+ </longdesc>
+ <shortdesc lang="en">
+ Mount Point
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="device" unique="1" required="1">
+ <longdesc lang="en">
+ Block device, file system label, or UUID of file system.
+ </longdesc>
+ <shortdesc lang="en">
+ Device or Label
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="fstype">
+ <longdesc lang="en">
+ File system type. If not specified, mount(8) will attempt to
+ determine the file system type.
+ </longdesc>
+ <shortdesc lang="en">
+ File system type
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="force_unmount">
+ <longdesc lang="en">
+ If set, the cluster will kill all processes using
+ this file system when the resource group is
+ stopped. Otherwise, the unmount will fail, and
+ the resource group will be restarted.
+ </longdesc>
+ <shortdesc lang="en">
+ Force Unmount
+ </shortdesc>
+ <content type="boolean"/>
+ </parameter>
+
+ <parameter name="self_fence">
+ <longdesc lang="en">
+ If set and unmounting the file system fails, the node will
+ immediately reboot. Generally, this is used in conjunction
+ with force_unmount support, but it is not required.
+ </longdesc>
+ <shortdesc lang="en">
+ Seppuku Unmount
+ </shortdesc>
+ <content type="boolean"/>
+ </parameter>
+
+ <parameter name="fsid">
+ <longdesc lang="en">
+ File system ID for NFS exports. This can be overridden
+ in individual nfsclient entries.
+ </longdesc>
+ <shortdesc lang="en">
+ NFS File system ID
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="nfslock" inherit="service%nfslock">
+ <longdesc lang="en">
+ If set, the node will try to kill lockd and issue
+ reclaims across all remaining network interface cards.
+ This happens always, regardless of unmounting failed.
+ </longdesc>
+ <shortdesc lang="en">
+ Enable NFS lock workarounds
+ </shortdesc>
+ <content type="boolean"/>
+ </parameter>
+
+ <parameter name="nfsrestart">
+ <longdesc lang="en">
+ If set and unmounting the file system fails, the node will
+ try to restart nfs daemon and nfs lockd to drop all filesystem
+ references. Use this option as last resource.
+ This option requires force_unmount to be set and it is not
+ compatible with nfsserver resource.
+ </longdesc>
+ <shortdesc lang="en">
+ Enable NFS daemon and lockd workaround
+ </shortdesc>
+ <content type="boolean"/>
+ </parameter>
+
+ <parameter name="options">
+ <longdesc lang="en">
+ Options used when the file system is mounted. These
+ are often file-system specific. See mount(8) and/or
+ mount.gfs2(8) for supported mount options.
+ </longdesc>
+ <shortdesc lang="en">
+ Mount Options
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="use_findmnt">
+ <longdesc lang="en">
+ Use findmnt to determine if and where a filesystem is mounted.
+ Disabling this uses the failback method (should be used if autofs
+ maps are located on network storage (ie. nfs, iscsi, etc).
+ </longdesc>
+ <shortdesc lang="en">
+ Utilize findmnt to detect if and where filesystems are mounted
+ </shortdesc>
+ <content type="boolean"/>
+ </parameter>
+
+ </parameters>
+
+ <actions>
+ <action name="start" timeout="900"/>
+ <action name="stop" timeout="30"/>
+ <!-- Recovery isn't possible; we don't know if resources are using
+ the file system. -->
+
+ <!-- Checks to see if it's mounted in the right place -->
+ <action name="status" interval="1m" timeout="10"/>
+ <action name="monitor" interval="1m" timeout="10"/>
+
+ <!-- Checks to see if we can read from the mountpoint -->
+ <action name="status" depth="10" timeout="30" interval="5m"/>
+ <action name="monitor" depth="10" timeout="30" interval="5m"/>
+
+ <!-- Checks to see if we can write to the mountpoint (if !ROFS) -->
+ <action name="status" depth="20" timeout="30" interval="10m"/>
+ <action name="monitor" depth="20" timeout="30" interval="10m"/>
+
+ <action name="meta-data" timeout="5"/>
+ <action name="validate-all" timeout="5"/>
+ </actions>
+
+ <special tag="rgmanager">
+ <child type="fs" start="1" stop="3"/>
+ <child type="clusterfs" start="1" stop="3"/>
+ <child type="nfsexport" start="3" stop="1"/>
+ </special>
+</resource-agent>
+EOT
+}
+
+
+verify_fstype()
+{
+ # Auto detect?
+ [ -z "$OCF_RESKEY_fstype" ] && return $OCF_SUCCESS
+
+ case $OCF_RESKEY_fstype in
+ gfs|gfs2)
+ return $OCF_SUCCESS
+ ;;
+ *)
+ ocf_log err "File system type $OCF_RESKEY_fstype not supported"
+ return $OCF_ERR_ARGS
+ ;;
+ esac
+}
+
+
+verify_options()
+{
+ declare -i ret=$OCF_SUCCESS
+
+ #
+ # From mount(8)
+ #
+ for o in `echo $OCF_RESKEY_options | sed -e s/,/\ /g`; do
+ case $o in
+ async|atime|auto|defaults|dev|exec|_netdev|noatime)
+ continue
+ ;;
+ noauto|nodev|noexec|nosuid|nouser|ro|rw|suid|sync)
+ continue
+ ;;
+ dirsync|user|users)
+ continue
+ ;;
+ esac
+
+ case $OCF_RESKEY_fstype in
+ gfs)
+ case $o in
+ lockproto=*|locktable=*|hostdata=*)
+ continue;
+ ;;
+ localcaching|localflocks|ignore_local_fs)
+ continue;
+ ;;
+ num_glockd|acl|suiddir)
+ continue
+ ;;
+ esac
+ ;;
+ gfs2)
+ # XXX
+ continue
+ ;;
+ esac
+
+
+ ocf_log err "Option $o not supported for $OCF_RESKEY_fstype"
+ ret=$OCF_ERR_ARGS
+ done
+
+ return $ret
+}
+
+
+do_verify()
+{
+ verify_name || return $OCF_ERR_ARGS
+ verify_fstype || return $OCF_ERR_ARGS
+ verify_device || return $OCF_ERR_ARGS
+ verify_mountpoint || return $OCF_ERR_ARGS
+ verify_options || return $OCF_ERR_ARGS
+}
+
+
+do_pre_unmount() {
+ #
+ # Check the rgmanager-supplied reference count if one exists.
+ # If the reference count is <= 1, we can safely proceed
+ #
+ if [ -n "$OCF_RESKEY_RGMANAGER_meta_refcnt" ]; then
+ refs=$OCF_RESKEY_RGMANAGER_meta_refcnt
+ if [ $refs -gt 0 ]; then
+ ocf_log debug "Not unmounting $OCF_RESOURCE_INSTANCE - still in use by $refs other service(s)"
+ return 2
+ fi
+ fi
+
+ if [ -z "$force_umount" ]; then
+ ocf_log debug "Not umounting $dev (clustered file system)"
+ return 2
+ fi
+
+ #
+ # Always do this hackery on clustered file systems.
+ #
+ if [ "$OCF_RESKEY_nfslock" = "yes" ] || \
+ [ "$OCF_RESKEY_nfslock" = "1" ]; then
+ ocf_log warning "Dropping node-wide NFS locks"
+ mkdir -p $mp/.clumanager/statd
+ chown rpcuser.rpcuser $mp/.clumanager/statd
+ pkill -KILL -x lockd
+ # Copy out the notify list; our
+ # IPs are already torn down
+ if notify_list_store $mp/.clumanager/statd; then
+ notify_list_broadcast $mp/.clumanager/statd
+ fi
+ fi
+
+ # Always invalidate buffers on clusterfs resources
+ clubufflush -f $dev
+
+ return 0
+}
+
+do_force_unmount() {
+ if [ "$OCF_RESKEY_nfsrestart" = "yes" ] || \
+ [ "$OCF_RESKEY_nfsrestart" = "1" ]; then
+ ocf_log warning "Restarting nfsd/nfslock"
+ nfsexports=$(cat /var/lib/nfs/etab)
+ service nfslock stop
+ service nfs stop
+ service nfs start
+ service nfslock start
+ echo "$nfsexports" | { while read line; do
+ nfsexp=$(echo $line | awk '{print $1}')
+ nfsopts=$(echo $line | sed -e 's#.*(##g' -e 's#).*##g')
+ nfsacl=$(echo $line | awk '{print $2}' | sed -e 's#(.*##g')
+ if [ -n "$nfsopts" ]; then
+ exportfs -i -o "$nfsopts" "$nfsacl":$nfsexp
+ else
+ exportfs -i "$nfsacl":$nfsexp
+ fi
+ done; }
+ fi
+ return 1
+}
+
+main $*
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