140 lines
4.0 KiB
Bash
Executable File
140 lines
4.0 KiB
Bash
Executable File
#!/bin/bash
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# Vitastor OpenNebula driver
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# Copyright (c) Vitaliy Filippov, 2024+
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# License: Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0
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# DELETE <host:remote_system_ds/disk.i|host:remote_system_ds/>
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# - host is the target host to deploy the VM
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# - remote_system_ds is the path for the system datastore in the host
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DST=$1
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VM_ID=$2
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DS_ID=$3
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#--------------------------------------------------------------------------------
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if [ -z "${ONE_LOCATION}" ]; then
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TMCOMMON=/var/lib/one/remotes/tm/tm_common.sh
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LIB_LOCATION=/usr/lib/one
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else
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TMCOMMON=$ONE_LOCATION/var/remotes/tm/tm_common.sh
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LIB_LOCATION=$ONE_LOCATION/lib
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fi
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DRIVER_PATH=$(dirname $0)
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source $TMCOMMON
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source ${DRIVER_PATH}/../../datastore/libfs.sh
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#-------------------------------------------------------------------------------
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# Process destination
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#-------------------------------------------------------------------------------
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DST_PATH=`arg_path $DST`
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DST_HOST=`arg_host $DST`
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XPATH="${DRIVER_PATH}/../../datastore/xpath.rb --stdin"
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#-------------------------------------------------------------------------------
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# Delete and exit if directory
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#-------------------------------------------------------------------------------
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if [ `is_disk $DST_PATH` -eq 0 ]; then
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# Directory: delete checkpoint and directory
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unset i j XPATH_ELEMENTS
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while IFS= read -r -d '' element; do
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XPATH_ELEMENTS[i++]="$element"
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done < <(onedatastore show -x $DS_ID | $XPATH \
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/DATASTORE/TEMPLATE/SOURCE \
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/DATASTORE/TEMPLATE/CLONE \
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/DATASTORE/TEMPLATE/VITASTOR_CONF \
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/DATASTORE/TEMPLATE/IMAGE_PREFIX \
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/DATASTORE/TEMPLATE/POOL_NAME)
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SRC="${XPATH_ELEMENTS[j++]}"
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CLONE="${XPATH_ELEMENTS[j++]}"
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VITASTOR_CONF="${XPATH_ELEMENTS[j++]}"
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IMAGE_PREFIX="${XPATH_ELEMENTS[j++]:-one}"
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POOL_NAME="${XPATH_ELEMENTS[j++]}"
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CLI=vitastor-cli
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if [ -n "$VITASTOR_CONF" ]; then
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CLI="$CLI --config_path ${VITASTOR_CONF}"
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fi
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SRC_CHECKPOINT="${IMAGE_PREFIX}-sys-${VM_ID}-checkpoint"
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ssh_exec_and_log "$DST_HOST" "$CLI rm $SRC_CHECKPOINT 2>/dev/null || exit 0" \
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"Error deleting $SRC_CHECKPOINT in $DST_HOST"
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log "Deleting $DST_PATH"
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ssh_exec_and_log "$DST_HOST" "rm -rf $DST_PATH" "Error deleting $DST_PATH"
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exit 0
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fi
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#-------------------------------------------------------------------------------
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# Get Image information
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#-------------------------------------------------------------------------------
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DISK_ID=$(echo "$DST_PATH" | $AWK -F. '{print $NF}')
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# Reads the disk parameters -- taken from image datastore
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unset i j XPATH_ELEMENTS
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while IFS= read -r -d '' element; do
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XPATH_ELEMENTS[i++]="$element"
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done < <(onevm show -x $VM_ID | $XPATH \
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/VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/SOURCE \
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/VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/CLONE \
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/VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/VITASTOR_CONF \
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/VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/IMAGE_PREFIX \
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/VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/POOL_NAME)
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SRC="${XPATH_ELEMENTS[j++]}"
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CLONE="${XPATH_ELEMENTS[j++]}"
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VITASTOR_CONF="${XPATH_ELEMENTS[j++]}"
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IMAGE_PREFIX="${XPATH_ELEMENTS[j++]:-one}"
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POOL_NAME="${XPATH_ELEMENTS[j++]}"
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if is_undeployed "$VM_ID" "$DST_HOST"; then
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# get BRIDGE_LIST from datastore
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XPATH="${DRIVER_PATH}/../../datastore/xpath.rb --stdin"
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IFS= read -r -d '' BRIDGE_LIST < <(onedatastore show -x "$DS_ID" \
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| $XPATH /DATASTORE/TEMPLATE/BRIDGE_LIST )
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if [ -n "$BRIDGE_LIST" ]; then
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DST_HOST=$(get_destination_host)
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fi
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fi
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# No need to delete not cloned images
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if [ "$CLONE" = "NO" ]; then
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exit 0
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fi
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CLI=vitastor-cli
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if [ -n "$VITASTOR_CONF" ]; then
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CLI="$CLI --config_path ${VITASTOR_CONF}"
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fi
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if [ -n "$SRC" ]; then
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# cloned, so the name will be "one-<imageid>-<vmid>-<diskid>"
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SRC_IMAGE="${SRC}-${VM_ID}-${DISK_ID}"
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else
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# volatile
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SRC_IMAGE="${IMAGE_PREFIX}-sys-${VM_ID}-${DISK_ID}"
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fi
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# Delete the image
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log "Deleting $DST_PATH"
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DELETE_CMD=$(cat <<EOF
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$CLI rm $SRC_IMAGE
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EOF
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)
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ssh_exec_and_log "$DST_HOST" "$DELETE_CMD" "Error deleting $SRC_IMAGE in $DST_HOST"
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