Files
tromcho.net/opennebula/remotes/datastore/vitastor/export
T

115 lines
2.5 KiB
Bash
Executable File

#!/bin/bash
# Vitastor OpenNebula driver
# Copyright (c) Vitaliy Filippov, 2024+
# License: Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0
# This script is used to export an image to qcow2 file
# ------------ Set up the environment to source common tools ------------
if [ -z "${ONE_LOCATION}" ]; then
LIB_LOCATION=/usr/lib/one
else
LIB_LOCATION=$ONE_LOCATION/lib
fi
. $LIB_LOCATION/sh/scripts_common.sh
DRIVER_PATH=$(dirname $0)
source ${DRIVER_PATH}/../libfs.sh
# -------- Get rm and datastore arguments from OpenNebula core ------------
DRV_ACTION=`cat -`
ID=$1
XPATH="${DRIVER_PATH}/../xpath.rb -b $DRV_ACTION"
unset i XPATH_ELEMENTS
while IFS= read -r -d '' element; do
XPATH_ELEMENTS[i++]="$element"
done < <($XPATH \
/DS_DRIVER_ACTION_DATA/IMAGE/SOURCE \
/DS_DRIVER_ACTION_DATA/IMAGE/SIZE \
/DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/MD5 \
/DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/SHA1 \
/DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/FORMAT \
/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/BRIDGE_LIST \
/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/VITASTOR_CONF)
unset i
SRC="${XPATH_ELEMENTS[i++]}"
SIZE="${XPATH_ELEMENTS[i++]}"
MD5="${XPATH_ELEMENTS[i++]}"
SHA1="${XPATH_ELEMENTS[i++]}"
FORMAT="${XPATH_ELEMENTS[i++]:-raw}"
BRIDGE_LIST="${XPATH_ELEMENTS[i++]}"
VITASTOR_CONF="${XPATH_ELEMENTS[i++]}"
DST_HOST=`get_destination_host $ID`
if [ -z "$DST_HOST" ]; then
error_message "Datastore template missing 'BRIDGE_LIST' attribute."
exit -1
fi
IMPORT_SOURCE="vitastor://$DST_HOST/$SRC"
IS_JOIN="?"
CLI=vitastor-cli
if [ -n "$VITASTOR_CONF" ]; then
CLI="$CLI --config_path $VITASTOR_CONF"
IMPORT_SOURCE="${IMPORT_SOURCE}${IS_JOIN}VITASTOR_CONF=${VITASTOR_CONF}"
fi
# FIXME: this is inefficient - it pipes the image twice...
INFO_SCRIPT=$(cat <<EOF
if [ -z "$MD5" ]; then
CHECKSUM=\$(
$CLI dd iimg=${SRC} | ${MD5SUM} | cut -f1 -d' '
ps=\$PIPESTATUS
if [ "\$ps" != "0" ]; then
exit \$ps
fi
)
status=\$?
[ "\$status" != "0" ] && exit \$status
else
CHECKSUM="$MD5"
fi
if [ -z "\$CHECKSUM" ]; then
exit 1
fi
cat <<EOT
<MD5><![CDATA[\$CHECKSUM]]></MD5>
<SIZE><![CDATA[$SIZE]]></SIZE>
<FORMAT><![CDATA[${FORMAT}]]></FORMAT>
EOT
EOF
)
INFO=$(ssh_monitor_and_log "$DST_HOST" "$INFO_SCRIPT" "Image info script" 2>&1)
INFO_STATUS=$?
if [ "$INFO_STATUS" != "0" ]; then
echo "$INFO"
exit $INFO_STATUS
fi
cat <<EOF
<IMPORT_INFO>
<IMPORT_SOURCE><![CDATA[$IMPORT_SOURCE]]></IMPORT_SOURCE>
$INFO
<DISPOSE>NO</DISPOSE>
</IMPORT_INFO>"
EOF