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feature #3782: ds/snap_flatten for qcow2

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This commit is contained in:
Javi Fontan 2015-06-24 18:00:35 -04:00
parent a1f536dc57
commit dad5461f75
1 changed files with 68 additions and 1 deletions
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1
src/datastore_mad/remotes/fs/snap_flatten
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../common/not_supported.sh

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src/datastore_mad/remotes/fs/snap_flatten Executable file
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#!/bin/bash
# -------------------------------------------------------------------------- #
# Copyright 2002-2015, OpenNebula Project (OpenNebula.org), C12G Labs #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
# not use this file except in compliance with the License. You may obtain #
# a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
#--------------------------------------------------------------------------- #
DRV_ACTION=$1
ID=$2
if [ -z "${ONE_LOCATION}" ]; then
TMCOMMON=/var/lib/one/remotes/tm/tm_common.sh
DATASTORES=/var/lib/one/datastores
else
TMCOMMON=$ONE_LOCATION/var/remotes/tm/tm_common.sh
DATASTORES=$ONE_LOCATION/var/datastores
fi
. $TMCOMMON
DRIVER_PATH=$(dirname $0)
# -------- Get image and datastore arguments from OpenNebula core ------------
DRV_ACTION=$1
ID=$2
XPATH="${DRIVER_PATH}/../xpath.rb -b $DRV_ACTION"
unset i XPATH_ELEMENTS
while IFS= read -r -d '' element; do
XPATH_ELEMENTS[i++]="$element"
done < <($XPATH /DS_DRIVER_ACTION_DATA/IMAGE/SOURCE \
/DS_DRIVER_ACTION_DATA/IMAGE/TARGET_SNAPSHOT )
unset i
DISK_SRC="${XPATH_ELEMENTS[i++]}"
SNAP_ID="${XPATH_ELEMENTS[i++]}"
SRC_PATH=`arg_path $SRC`
SYSTEM_DS_PATH=$(dirname ${SRC_PATH})
DISK_ID=$(basename ${SRC} | cut -d. -f2)
DISK_PATH="${DISK_SRC}"
SNAP_DIR="${DISK_PATH}.snap"
SNAP_PATH="${SNAP_DIR}/${SNAP_ID}"
SNAP_PATH_RELATIVE=$(basename ${SNAP_PATH})
CURRENT_PATH=${DISK_PATH}
rm ${DISK_PATH}
qemu-img convert -O qcow2 ${SNAP_PATH} ${CURRENT_PATH}
rm -rf ${SNAP_DIR}