diff --git a/heartbeat/lvm-tag.sh b/heartbeat/lvm-tag.sh index 71f53b20b..fe17e0f21 100644 --- a/heartbeat/lvm-tag.sh +++ b/heartbeat/lvm-tag.sh @@ -1,205 +1,205 @@ # lvm-tag.sh # # Description: LVM management with tags # # # Author: David Vossel # Interface to LVM by Dejan Muhamedagic # Support: users@clusterlabs.org # License: GNU General Public License (GPL) # Copyright: (C) 2017 Dejan Muhamedagic # ## # Verify tags setup ## verify_tags_environment() { ## # The volume_list must be initialized to something in order to # guarantee our tag will be filtered on startup ## if ! lvm dumpconfig activation/volume_list; then ocf_log err "LVM: Improper setup detected" ocf_exit_reason "The volume_list filter must be initialized in lvm.conf for exclusive activation without clvmd" return $OCF_ERR_GENERIC fi ## # Our tag must _NOT_ be in the volume_list. This agent # overrides the volume_list during activation using the # special tag reserved for cluster activation ## if lvm dumpconfig activation/volume_list | grep -e "\"@$OUR_TAG\"" -e "\"${OCF_RESKEY_volgrpname}\""; then ocf_log err "LVM: Improper setup detected" ocf_exit_reason "The volume_list in lvm.conf must not contain the cluster tag, \"$OUR_TAG\", or volume group, $OCF_RESKEY_volgrpname" return $OCF_ERR_GENERIC fi return $OCF_SUCCESS } check_initrd_warning() { # First check to see if there is an initrd img we can safely # compare timestamps agaist. If not, don't even bother with # this check. This is known to work in rhel/fedora distros ls "/boot/*$(uname -r)*.img" > /dev/null 2>&1 if [ $? -ne 0 ]; then return fi ## # Now check to see if the initrd has been updated. # If not, the machine could boot and activate the VG outside # the control of pacemaker ## if [ "$(find /boot -name *.img -newer /etc/lvm/lvm.conf)" = "" ]; then ocf_log warn "LVM: Improper setup detected" ocf_log warn "* initrd image needs to be newer than lvm.conf" # While dangerous if not done the first time, there are many # cases where we don't simply want to fail here. Instead, # keep warning until the user remakes the initrd - or has # it done for them by upgrading the kernel. # # initrd can be updated using this command. # dracut -H -f /boot/initramfs-$(uname -r).img $(uname -r) # fi } ## # does this vg have our tag ## check_tags() { local owner=`vgs -o tags --noheadings $OCF_RESKEY_volgrpname | tr -d ' '` if [ -z "$owner" ]; then # No-one owns this VG yet return 1 fi if [ "$OUR_TAG" = "$owner" ]; then # yep, this is ours return 0 fi # some other tag is set on this vg return 2 } strip_tags() { local i for i in `vgs --noheadings -o tags $OCF_RESKEY_volgrpname | sed s/","/" "/g`; do ocf_log info "Stripping tag, $i" # LVM version 2.02.98 allows changing tags if PARTIAL vgchange --deltag $i $OCF_RESKEY_volgrpname done if [ ! -z `vgs -o tags --noheadings $OCF_RESKEY_volgrpname | tr -d ' '` ]; then ocf_exit_reason "Failed to remove ownership tags from $OCF_RESKEY_volgrpname" return $OCF_ERR_GENERIC fi return $OCF_SUCCESS } set_tags() { check_tags case $? in 0) # we already own it. return $OCF_SUCCESS ;; 2) # other tags are set, strip them before setting if ! strip_tags; then return $OCF_ERR_GENERIC fi ;; *) : ;; esac vgchange --addtag $OUR_TAG $OCF_RESKEY_volgrpname if [ $? -ne 0 ]; then ocf_exit_reason "Failed to add ownership tag to $OCF_RESKEY_volgrpname" return $OCF_ERR_GENERIC fi ocf_log info "New tag \"$OUR_TAG\" added to $OCF_RESKEY_volgrpname" return $OCF_SUCCESS } # # interface to LVM # lvm_init() { OUR_TAG="pacemaker" if [ -n "$OCF_RESKEY_tag" ]; then OUR_TAG=$OCF_RESKEY_tag fi - vgchange_activate_options="aly --config activation{volume_list=[\"@${OUR_TAG}\"]}" + vgchange_activate_options="-aly --config activation{volume_list=[\"@${OUR_TAG}\"]}" vgchange_deactivate_options="-aln" } lvm_validate_all() { if ! verify_tags_environment; then exit $OCF_ERR_GENERIC fi } lvm_status() { local rc=0 # If vg is running, make sure the correct tag is present. Otherwise we # can not guarantee exclusive activation. if ! check_tags; then ocf_exit_reason "WARNING: $OCF_RESKEY_volgrpname is active without the cluster tag, \"$OUR_TAG\"" rc=$OCF_ERR_GENERIC fi # make sure the environment for tags activation is still valid if ! verify_tags_environment; then rc=$OCF_ERR_GENERIC fi # let the user know if their initrd is older than lvm.conf. check_initrd_warning return $rc } lvm_pre_activate() { if ! set_tags; then return $OCF_ERR_GENERIC fi return 0 } lvm_post_activate() { local rc=$1 return $rc } lvm_pre_deactivate() { return 0 } lvm_post_deactivate() { local rc=$1 if [ $rc -eq 0 ]; then strip_tags rc=$? fi return $rc } # vim:tabstop=4:shiftwidth=4:textwidth=0:wrapmargin=0