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F #3244: Improve qcow2.ssh mixed-mode
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| # ----------------------------------------------------------------------------- # | ||
| # Copyright 2002-2019, 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. # | ||
| #------------------------------------------------------------------------------ # | ||
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| #-------------------------------------------------------------------------------- | ||
| # Rebase backing files of snapshots in current directory | ||
| # @param $1 name of the backing_file symlink used internally | ||
| #-------------------------------------------------------------------------------- | ||
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| rebase_backing_files() { | ||
| local DST_FILE=$1 | ||
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| for SNAP_ID in $(find * -maxdepth 0 -type f -print); do | ||
| INFO=$(qemu-img info --output=json $SNAP_ID) | ||
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| if [[ $INFO =~ "backing-filename" ]]; then | ||
| BACKING_FILE=${INFO/*backing-filename\": \"/} | ||
| BACKING_FILE=${BACKING_FILE/\"*/} | ||
| BACKING_FILE=$(basename ${BACKING_FILE}) | ||
| qemu-img rebase -f qcow2 -u -b "${DST_FILE}.snap/$BACKING_FILE" $SNAP_ID | ||
| fi | ||
| done | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ../ssh/mv |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,85 @@ | ||
| #!/bin/bash | ||
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| # -------------------------------------------------------------------------- # | ||
| # Copyright 2002-2019, OpenNebula Project, OpenNebula Systems # | ||
| # # | ||
| # 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. # | ||
| #--------------------------------------------------------------------------- # | ||
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| # snap_create host:parent_image snap_id vmid ds_id | ||
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| SRC=$1 | ||
| SNAP_ID=$2 | ||
| VMID=$3 | ||
| DSID=$4 | ||
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| if [ -z "${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 | ||
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| DRIVER_PATH=$(dirname $0) | ||
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| . $TMCOMMON | ||
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| SRC_PATH=$(arg_path $SRC) | ||
| SRC_HOST=$(arg_host $SRC) | ||
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| #------------------------------------------------------------------------------- | ||
| # Get Image information | ||
| #------------------------------------------------------------------------------- | ||
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| DISK_ID=$(basename ${SRC} | cut -d. -f2) | ||
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| SYSTEM_DS_PATH=$(dirname ${SRC_PATH}) | ||
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| SYSTEM_DS_DISK_PATH="${SYSTEM_DS_PATH}/disk.${DISK_ID}" | ||
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| # for TM_MAD=ssh create the snapshot always on system DS | ||
| DISK_PATH="${SYSTEM_DS_DISK_PATH}" | ||
| DISK_PATH_SHORT="$(basename ${SYSTEM_DS_DISK_PATH})" | ||
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| NEXT_SNAP_ID=$(($SNAP_ID+1)) | ||
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| SNAP_DIR="${DISK_PATH}.snap" | ||
| SNAP_DIR_SHORT="${DISK_PATH_SHORT}.snap" | ||
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| SNAP_PATH="${SNAP_DIR}/${NEXT_SNAP_ID}" | ||
| SNAP_PATH_SHORT="${SNAP_DIR_SHORT}/${NEXT_SNAP_ID}" | ||
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| SNAP_CMD=$(cat <<EOT | ||
| set -ex -o pipefail | ||
| mkdir -p "${SNAP_DIR}" | ||
| PREVIOUS_SNAP=\$(readlink $SYSTEM_DS_DISK_PATH) | ||
| cd "${SNAP_DIR}" | ||
| if [ -e "${SNAP_PATH}" ]; then | ||
| echo "Snapshot file ${SNAP_PATH} already exists." >&2 | ||
| exit 1 | ||
| fi | ||
| qemu-img create -f qcow2 -o backing_fmt=qcow2 -b "\${PREVIOUS_SNAP}" "${SNAP_PATH}" | ||
| ln -sf $SNAP_PATH_SHORT $SYSTEM_DS_DISK_PATH | ||
| EOT | ||
| ) | ||
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| ssh_exec_and_log "${SRC_HOST}" "${SNAP_CMD}" \ | ||
| "Error creating snapshot ${SNAP_PATH}" | ||
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