115 lines
2.5 KiB
Bash
Executable File
115 lines
2.5 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 export an image to qcow2 file
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# ------------ Set up the environment to source common tools ------------
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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 rm 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 < <($XPATH \
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/DS_DRIVER_ACTION_DATA/IMAGE/SOURCE \
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/DS_DRIVER_ACTION_DATA/IMAGE/SIZE \
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/DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/MD5 \
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/DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/SHA1 \
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/DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/FORMAT \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/BRIDGE_LIST \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/VITASTOR_CONF)
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unset i
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SRC="${XPATH_ELEMENTS[i++]}"
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SIZE="${XPATH_ELEMENTS[i++]}"
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MD5="${XPATH_ELEMENTS[i++]}"
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SHA1="${XPATH_ELEMENTS[i++]}"
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FORMAT="${XPATH_ELEMENTS[i++]:-raw}"
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BRIDGE_LIST="${XPATH_ELEMENTS[i++]}"
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VITASTOR_CONF="${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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IMPORT_SOURCE="vitastor://$DST_HOST/$SRC"
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IS_JOIN="?"
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CLI=vitastor-cli
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if [ -n "$VITASTOR_CONF" ]; then
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CLI="$CLI --config_path $VITASTOR_CONF"
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IMPORT_SOURCE="${IMPORT_SOURCE}${IS_JOIN}VITASTOR_CONF=${VITASTOR_CONF}"
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fi
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# FIXME: this is inefficient - it pipes the image twice...
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INFO_SCRIPT=$(cat <<EOF
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if [ -z "$MD5" ]; then
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CHECKSUM=\$(
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$CLI dd iimg=${SRC} | ${MD5SUM} | cut -f1 -d' '
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ps=\$PIPESTATUS
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if [ "\$ps" != "0" ]; then
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exit \$ps
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fi
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)
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status=\$?
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[ "\$status" != "0" ] && exit \$status
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else
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CHECKSUM="$MD5"
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fi
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if [ -z "\$CHECKSUM" ]; then
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exit 1
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fi
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cat <<EOT
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<MD5><![CDATA[\$CHECKSUM]]></MD5>
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<SIZE><![CDATA[$SIZE]]></SIZE>
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<FORMAT><![CDATA[${FORMAT}]]></FORMAT>
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EOT
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EOF
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)
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INFO=$(ssh_monitor_and_log "$DST_HOST" "$INFO_SCRIPT" "Image info script" 2>&1)
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INFO_STATUS=$?
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if [ "$INFO_STATUS" != "0" ]; then
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echo "$INFO"
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exit $INFO_STATUS
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fi
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cat <<EOF
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<IMPORT_INFO>
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<IMPORT_SOURCE><![CDATA[$IMPORT_SOURCE]]></IMPORT_SOURCE>
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$INFO
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<DISPOSE>NO</DISPOSE>
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</IMPORT_INFO>"
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EOF
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