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COLD_START_SNAPSHOT #167

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1 change: 1 addition & 0 deletions ghettoVCB.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ VM_BACKUP_VOLUME=/vmfs/volumes/dlgCore-NFS-bigboi.VM-Backups/WILLIAM_BACKUPS
DISK_BACKUP_FORMAT=thin
VM_BACKUP_ROTATION_COUNT=3
POWER_VM_DOWN_BEFORE_BACKUP=0
COLD_START_SNAPSHOT=0
ENABLE_HARD_POWER_OFF=0
ITER_TO_WAIT_SHUTDOWN=3
POWER_DOWN_TIMEOUT=5
Expand Down
32 changes: 26 additions & 6 deletions ghettoVCB.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
# User Definable Parameters
##################################################################

LAST_MODIFIED_DATE=2019_01_06
LAST_MODIFIED_DATE=2019_02_08
VERSION=4

# directory that all VM backups should go (e.g. /vmfs/volumes/SAN_LUN1/mybackupdir)
Expand All @@ -29,6 +29,9 @@ VM_BACKUP_ROTATION_COUNT=3
# 1=on, 0 =off
POWER_VM_DOWN_BEFORE_BACKUP=0

# When a power down VM before backup is requested, a snapshot and restart will occurs immediately prior to the backup.
COLD_START_SNAPSHOT=0

# enable shutdown code 1=on, 0 = off
ENABLE_HARD_POWER_OFF=0

Expand Down Expand Up @@ -357,6 +360,7 @@ captureDefaultConfigurations() {
DEFAULT_DISK_BACKUP_FORMAT="${DISK_BACKUP_FORMAT}"
DEFAULT_VM_BACKUP_ROTATION_COUNT="${VM_BACKUP_ROTATION_COUNT}"
DEFAULT_POWER_VM_DOWN_BEFORE_BACKUP="${POWER_VM_DOWN_BEFORE_BACKUP}"
DEFAULT_COLD_START_SNAPSHOT="${COLD_START_SNAPSHOT}"
DEFAULT_ENABLE_HARD_POWER_OFF="${ENABLE_HARD_POWER_OFF}"
DEFAULT_ITER_TO_WAIT_SHUTDOWN="${ITER_TO_WAIT_SHUTDOWN}"
DEFAULT_POWER_DOWN_TIMEOUT="${POWER_DOWN_TIMEOUT}"
Expand Down Expand Up @@ -384,6 +388,7 @@ useDefaultConfigurations() {
DISK_BACKUP_FORMAT="${DEFAULT_DISK_BACKUP_FORMAT}"
VM_BACKUP_ROTATION_COUNT="${DEFAULT_VM_BACKUP_ROTATION_COUNT}"
POWER_VM_DOWN_BEFORE_BACKUP="${DEFAULT_POWER_VM_DOWN_BEFORE_BACKUP}"
COLD_START_SNAPSHOT="${DEFAULT_COLD_START_SNAPSHOT}"
ENABLE_HARD_POWER_OFF="${DEFAULT_ENABLE_HARD_POWER_OFF}"
ITER_TO_WAIT_SHUTDOWN="${DEFAULT_ITER_TO_WAIT_SHUTDOWN}"
POWER_DOWN_TIMEOUT="${DEFAULT_POWER_DOWN_TIMEOUT}"
Expand Down Expand Up @@ -543,6 +548,7 @@ dumpVMConfigurations() {
logger "info" "CONFIG - VM_BACKUP_DIR_NAMING_CONVENTION = ${VM_BACKUP_DIR_NAMING_CONVENTION}"
logger "info" "CONFIG - DISK_BACKUP_FORMAT = ${DISK_BACKUP_FORMAT}"
logger "info" "CONFIG - POWER_VM_DOWN_BEFORE_BACKUP = ${POWER_VM_DOWN_BEFORE_BACKUP}"
logger "info" "CONFIG - COLD_START_SNAPSHOT = ${COLD_START_SNAPSHOT}"
logger "info" "CONFIG - ENABLE_HARD_POWER_OFF = ${ENABLE_HARD_POWER_OFF}"
logger "info" "CONFIG - ITER_TO_WAIT_SHUTDOWN = ${ITER_TO_WAIT_SHUTDOWN}"
logger "info" "CONFIG - POWER_DOWN_TIMEOUT = ${POWER_DOWN_TIMEOUT}"
Expand Down Expand Up @@ -1123,8 +1129,12 @@ ghettoVCB() {
SNAP_SUCCESS=1
VM_VMDK_FAILED=0

#powered on VMs only
if [[ ! ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ "${ORGINAL_VM_POWER_STATE}" != "Powered off" ]]; then
#powered on VMs only including cold start snapshot
if [[ "${ORGINAL_VM_POWER_STATE}" != "Powered off" ]] && \
([[ ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ ${COLD_START_SNAPSHOT} -eq 1 ]] || [[ ! ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]]); then
# log message that a POWER_VM_DOWN_BEFORE_BACKUP is required to be enabled for the COLD_START_SNAPSHOT to execute when enabled
[[ ! ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ ${COLD_START_SNAPSHOT} -eq 1 ]] && \
logger "info" "The requested cold start snapshot was disabled since the power VM down before backup was not enabled."
SNAPSHOT_NAME="ghettoVCB-snapshot-$(date +%F)"
logger "info" "Creating Snapshot \"${SNAPSHOT_NAME}\" for ${VM_NAME}"
${VMWARE_CMD} vmsvc/snapshot.create ${VM_ID} "${SNAPSHOT_NAME}" "${SNAPSHOT_NAME}" "${VM_SNAPSHOT_MEMORY}" "${VM_SNAPSHOT_QUIESCE}" > /dev/null 2>&1
Expand All @@ -1148,6 +1158,13 @@ ghettoVCB() {
fi

if [[ ${SNAP_SUCCESS} -eq 1 ]] ; then
# cold start restart of VM prior to backup
if [[ ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ ${COLD_START_SNAPSHOT} -eq 1 ]]; then
# cold start power on vm prior to backup
logger "info" "Powering back on ${VM_NAME}"
${VMWARE_CMD} vmsvc/power.on ${VM_ID} > /dev/null 2>&1
fi

OLD_IFS="${IFS}"
IFS=":"
for j in ${VMDKS}; do
Expand Down Expand Up @@ -1233,7 +1250,10 @@ ghettoVCB() {
fi

#powered on VMs only w/snapshots
if [[ ${SNAP_SUCCESS} -eq 1 ]] && [[ ! ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ "${ORGINAL_VM_POWER_STATE}" == "Powered on" ]] || [[ "${ORGINAL_VM_POWER_STATE}" == "Suspended" ]]; then
#if [[ ${SNAP_SUCCESS} -eq 1 ]] && [[ ! ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ "${ORGINAL_VM_POWER_STATE}" == "Powered on" ]] || [[ "${ORGINAL_VM_POWER_STATE}" == "Suspended" ]]; then
# The above original statement does not sound right to me, I think it should have been: if [[ ${SNAP_SUCCESS} -eq 1 ]] && [[ ! ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && ([[ "${ORGINAL_VM_POWER_STATE}" == "Powered on" ]] || [[ "${ORGINAL_VM_POWER_STATE}" == "Suspended" ]]); then
if [[ ${SNAP_SUCCESS} -eq 1 ]] && ([[ "${ORGINAL_VM_POWER_STATE}" == "Powered on" ]] || [[ "${ORGINAL_VM_POWER_STATE}" == "Suspended" ]]) && \
([[ ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ ${COLD_START_SNAPSHOT} -eq 1 ]] || [[ ! ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]]); then
if [[ "${NEW_VIMCMD_SNAPSHOT}" == "yes" ]] ; then
SNAPSHOT_ID=$(${VMWARE_CMD} vmsvc/snapshot.get ${VM_ID} | grep -E '(Snapshot Name|Snapshot Id)' | grep -A1 ${SNAPSHOT_NAME} | grep "Snapshot Id" | awk -F ":" '{print $2}' | sed -e 's/^[[:blank:]]*//;s/[[:blank:]]*$//')
${VMWARE_CMD} vmsvc/snapshot.remove ${VM_ID} ${SNAPSHOT_ID} > /dev/null 2>&1
Expand All @@ -1248,8 +1268,8 @@ ghettoVCB() {
done
fi

if [[ ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ "${ORGINAL_VM_POWER_STATE}" == "Powered on" ]]; then
#power on vm that was powered off prior to backup
if [[ ${POWER_VM_DOWN_BEFORE_BACKUP} -eq 1 ]] && [[ ! ${COLD_START_SNAPSHOT} -eq 1 ]] && [[ "${ORGINAL_VM_POWER_STATE}" == "Powered on" ]]; then
#power on vm that was powered off prior to backup, excluding cold start
logger "info" "Powering back on ${VM_NAME}"
${VMWARE_CMD} vmsvc/power.on ${VM_ID} > /dev/null 2>&1
fi
Expand Down