70 lines
1.7 KiB
Bash
Executable File
70 lines
1.7 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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# This script is used to flatten a snapshot of a persistent image
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# -------- Set up the environment to source common tools & conf ------------
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if [ -z "${ONE_LOCATION}" ]; then
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LIB_LOCATION=/usr/lib/one
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else
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LIB_LOCATION=$ONE_LOCATION/lib
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fi
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. $LIB_LOCATION/sh/scripts_common.sh
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DRIVER_PATH=$(dirname $0)
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source ${DRIVER_PATH}/../libfs.sh
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# -------- Get image and datastore arguments from OpenNebula core ------------
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DRV_ACTION=`cat -`
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ID=$1
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XPATH="${DRIVER_PATH}/../xpath.rb -b $DRV_ACTION"
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unset i XPATH_ELEMENTS
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while IFS= read -r -d '' element; do
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XPATH_ELEMENTS[i++]="$element"
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done < <($XPATH \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/BRIDGE_LIST \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/POOL_NAME \
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/DS_DRIVER_ACTION_DATA/IMAGE/SOURCE \
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/DS_DRIVER_ACTION_DATA/IMAGE/TARGET_SNAPSHOT \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/VITASTOR_CONF)
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unset i
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BRIDGE_LIST="${XPATH_ELEMENTS[i++]}"
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POOL_NAME="${XPATH_ELEMENTS[i++]}"
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IMAGE_NAME="${XPATH_ELEMENTS[i++]}"
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SNAP_ID="${XPATH_ELEMENTS[i++]}"
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VITASTOR_CONF="${XPATH_ELEMENTS[i++]}"
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DST_HOST=`get_destination_host $ID`
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if [ -z "$DST_HOST" ]; then
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error_message "Datastore template missing 'BRIDGE_LIST' attribute."
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exit -1
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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 ${VITASTOR_CONF}"
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fi
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SNAP_FLATTEN_CMD=$(cat <<EOF
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set -e
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$CLI flatten "$IMAGE_NAME@$SNAP_ID"
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$CLI modify "$IMAGE_NAME@$SNAP_ID" --rename "$IMAGE_NAME"
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$CLI rm --matching "$IMAGE_NAME@*"
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EOF
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)
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ssh_exec_and_log "$DST_HOST" "$SNAP_FLATTEN_CMD" "Error flattening snapshot $SNAP_ID for $IMAGE_NAME"
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