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Diffstat (limited to 'rgmanager/src/resources/fs.sh.in')
| -rw-r--r-- | rgmanager/src/resources/fs.sh.in | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/rgmanager/src/resources/fs.sh.in b/rgmanager/src/resources/fs.sh.in new file mode 100644 index 0000000..fb43dab --- /dev/null +++ b/rgmanager/src/resources/fs.sh.in @@ -0,0 +1,504 @@ +#!@BASH_SHELL@ + +# +# File system (normal) mount/umount/fsck/etc. agent +# +# +# Copyright (C) 1997-2003 Sistina Software, Inc. All rights reserved. +# Copyright (C) 2004-2011 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" encoding="ISO-8859-1" ?> +<!DOCTYPE resource-agent SYSTEM "ra-api-1-modified.dtd"> +<resource-agent name="fs" version="rgmanager 2.0"> + <version>1.0</version> + + <longdesc lang="en"> + This defines a standard file system mount (= not a clustered + or otherwise shared file system). + </longdesc> + <shortdesc lang="en"> + Defines a 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="quick_status"> + <longdesc lang="en"> + Use quick status checks. When set to 0 (the default), this + agent behaves normally. When set to 1, this agent will not + log errors incurred or perform the file system accessibility + check (e.g. it will not try to read from/write to the file + system). You should only set this to 1 if you have lots of + file systems on your cluster or you are seeing very high load + spikes as a direct result of this agent. + </longdesc> + <shortdesc lang="en"> + Quick/brief status checks. + </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="nfslock" inherit="nfslock"> + <longdesc lang="en"> + If set and unmounting the file system fails, the node will + try to kill lockd and issue reclaims across all remaining + network interface cards. + </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="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="force_fsck"> + <longdesc lang="en"> + If set, the file system will be checked (even if + it is a journalled file system). This option is + ignored for non-journalled file systems such as + ext2. + </longdesc> + <shortdesc lang="en"> + Force fsck support + </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) 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"/> + + <!-- Note: active monitoring is constant and supplants all + check depths --> + <!-- Checks to see if we can read from the mountpoint --> + <action name="status" depth="10" timeout="30" interval="30"/> + <action name="monitor" depth="10" timeout="30" interval="30"/> + + <!-- Checks to see if we can write to the mountpoint (if !ROFS) --> + <action name="status" depth="20" timeout="30" interval="1m"/> + <action name="monitor" depth="20" timeout="30" interval="1m"/> + + <action name="meta-data" timeout="5"/> + <action name="validate-all" timeout="5"/> + </actions> + + <special tag="rgmanager"> + <attributes maxinstances="1"/> + <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 0 + + case $OCF_RESKEY_fstype in + ext2|ext3|ext4|btrfs|jfs|xfs|reiserfs|vfat|vxfs) + return 0 + ;; + *) + echo "File system type $OCF_RESKEY_fstype not supported" + return $OCF_ERR_ARGS + ;; + esac +} + + +verify_options() +{ + declare -i ret=$OCF_SUCCESS + declare o + + # + # 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 + + do_verify_option $OCF_RESKEY_fstype "$o" + + case $OCF_RESKEY_fstype in + ext2|ext3|ext4) + case $o in + bsddf|minixdf|check|check=*|nocheck|debug) + continue + ;; + errors=*|grpid|bsdgroups|nogrpid|sysvgroups) + continue + ;; + resgid=*|resuid=*|sb=*|grpquota|noquota) + continue + ;; + quota|usrquota|nouid32) + continue + ;; + esac + + if [ "$OCF_RESKEY_fstype" = "ext3" ] || + [ "$OCF_RESKEY_fstype" = "ext4" ]; then + case $o in + noload|data=*) + continue + ;; + esac + fi + ;; + vfat) + case $o in + blocksize=512|blocksize=1024|blocksize=2048) + continue + ;; + uid=*|gid=*|umask=*|dmask=*|fmask=*) + continue + ;; + check=r*|check=n*|check=s*|codepage=*) + continue + ;; + conv=b*|conv=t*|conv=a*|cvf_format=*) + continue + ;; + cvf_option=*|debug|fat=12|fat=16|fat=32) + continue + ;; + iocharset=*|quiet) + continue + ;; + esac + ;; + + jfs) + case $o in + conv|hash=rupasov|hash=tea|hash=r5|hash=detect) + continue + ;; + hashed_relocation|no_unhashed_relocation) + continue + ;; + noborder|nolog|notail|resize=*) + continue + ;; + esac + ;; + + xfs) + case $o in + biosize=*|dmapi|xdsm|logbufs=*|logbsize=*) + continue + ;; + logdev=*|rtdev=*|noalign|noatime) + continue + ;; + norecovery|osyncisdsync|quota|userquota) + continue + ;; + uqnoenforce|grpquota|gqnoenforce) + continue + ;; + sunit=*|swidth=*) + continue + ;; + esac + ;; + + btrfs) + # tbd + continue + ;; + esac + + echo Option $o not supported for $OCF_RESKEY_fstype + ret=$OCF_ERR_ARGS + done + + return $ret +} + + +do_validate() +{ + 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 $OCF_ERR_ARGS +} + + +do_pre_mount() +{ + declare fstype="$OCF_RESKEY_fstype" + + # + # Check to determine if we need to fsck the filesystem. + # + # Note: this code should not indicate in any manner suggested + # file systems to use in the cluster. Known filesystems are + # listed here for correct operation. + # + case "$fstype" in + reiserfs) typeset fsck_needed="" ;; + ext3) typeset fsck_needed="" ;; + ext4) typeset fsck_needed="" ;; + btrfs) typeset fsck_needed="" ;; + jfs) typeset fsck_needed="" ;; + xfs) typeset fsck_needed="" ;; + vxfs) typeset fsck_needed="" ;; + ext2) typeset fsck_needed=yes ;; + minix) typeset fsck_needed=yes ;; + vfat) typeset fsck_needed=yes ;; + msdos) typeset fsck_needed=yes ;; + "") typeset fsck_needed=yes ;; # assume fsck + *) + typeset fsck_needed=yes # assume fsck + ocf_log warn "\ +Unknown file system type '$fstype' for device $dev. Assuming fsck is required." + ;; + esac + + + # + # Fsck the device, if needed. + # + if [ -n "$fsck_needed" ] || [ "${OCF_RESKEY_force_fsck}" = "yes" ] ||\ + [ "${OCF_RESKEY_force_fsck}" = "1" ]; then + typeset fsck_log=@LOGDIR@/$(basename $dev).fsck.log + ocf_log debug "Running fsck on $dev" + fsck -p $dev >> $fsck_log 2>&1 + ret_val=$? + if [ $ret_val -gt 1 ]; then + ocf_log err "\ +'fsck -p $dev' failed, error=$ret_val; check $fsck_log for errors" + ocf_log debug "Invalidating buffers for $dev" + $INVALIDATEBUFFERS -f $dev + return $OCF_ERR_GENERIC + fi + rm -f $fsck_log + fi + + return 0 +} + +do_post_mount() { + # + # Create this for the NFS NLM broadcast bit + # + if [ $NFS_TRICKS -eq 0 ]; then + if [ "$OCF_RESKEY_nfslock" = "yes" ] || \ + [ "$OCF_RESKEY_nfslock" = "1" ]; then + mkdir -p "$mp"/.clumanager/statd + chown rpcuser.rpcuser "$mp"/.clumanager/statd + notify_list_merge "$mp"/.clumanager/statd + fi + fi + + return 0 +} + + +do_force_unmount() { + if [ "$OCF_RESKEY_nfslock" = "yes" ] || \ + [ "$OCF_RESKEY_nfslock" = "1" ]; then + ocf_log warning "Dropping node-wide NFS locks" + pkill -KILL -x lockd + mkdir -p "$mp"/.clumanager/statd + chown rpcuser.rpcuser "$mp"/.clumanager/statd + # Copy out the notify list; our + # IPs are already torn down + notify_list_store "$mp"/.clumanager/statd + + # Save for post-umount phase + export nfslock_reclaim=1 + fi + + if [ "$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":$nfsexp + fi + done; } + fi + + # Proceed with fuser -kvm... + return 1 +} + + +do_post_unmount() { + if [ "$nfslock_reclaim" = "1" ]; then + # If we have this flag set, do a full reclaim broadcast + notify_list_broadcast "$mp"/.clumanager/statd + fi + + return 0 +} + +main $* |