| #!/usr/bin/env bash |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| notifyqemu() { |
| if `virsh help 2>/dev/null | grep -q blockresize` |
| then |
| if `virsh domstate $VMNAME >/dev/null 2>&1` |
| then |
| sizeinkb=$(($NEWSIZE/1024)) |
| devicepath=$(virsh domblklist $VMNAME | grep ${WWID} | awk '{print $1}') |
| virsh blockresize --path $devicepath --size $sizeinkb ${VMNAME} >/dev/null 2>&1 |
| retval=$? |
| if [ -z $retval ] || [ $retval -ne 0 ] |
| then |
| log "failed to live resize $path to size of $sizeinkb kb" 1 |
| else |
| liveresize='true' |
| fi |
| fi |
| fi |
| } |
| |
| WWID=${1:?"WWID required"} |
| VMNAME=${2:?"VMName required"} |
| NEWSIZE=${3:?"New size required in bytes"} |
| |
| WWID=$(echo $WWID | tr '[:upper:]' '[:lower:]') |
| |
| export WWID VMNAME NEWSIZE |
| |
| systemctl is-active multipathd || systemctl restart multipathd || { |
| echo "$(date): Multipathd is NOT running and cannot be started. This must be corrected before this host can access this storage volume." |
| logger -t "CS_SCSI_VOL_RESIZE" "Unable to notify running VM of resize for ${WWID} because multipathd is not currently running and cannot be started" |
| exit 1 |
| } |
| |
| logger -t "CS_SCSI_VOL_RESIZE" "${WWID} resizing disk path at /dev/mapper/3${WWID} STARTING" |
| |
| for device in $(multipath -ll 3${WWID} | egrep '^ ' | awk '{print $2}'); do |
| echo "1" > /sys/bus/scsi/drivers/sd/${device}/rescan; |
| done |
| |
| sleep 3 |
| |
| multipathd reconfigure |
| |
| sleep 3 |
| |
| multipath -ll 3${WWID} |
| |
| notifyqemu |
| |
| logger -t "CS_SCSI_VOL_RESIZE" "${WWID} resizing disk path at /dev/mapper/3${WWID} COMPLETE" |
| |
| exit 0 |