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feature #2321: ln, mv, mvds, postmigrate and premigrate are now links

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This commit is contained in:
Jaime Melis 2013-09-16 16:27:18 +02:00
parent ee662a22ba
commit 055d1422b5
5 changed files with 5 additions and 161 deletions
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83
src/tm_mad/shared_lvm/ln
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@ -1,83 +0,0 @@
#!/bin/bash
# -------------------------------------------------------------------------- #
# Copyright 2002-2013, 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. #
#--------------------------------------------------------------------------- #
# clone fe:SOURCE host:remote_system_ds/disk.i size
# - fe is the front-end hostname
# - SOURCE is the path of the disk image in the form DS_BASE_PATH/disk
# - host is the target host to deploy the VM
# - remote_system_ds is the path for the system datastore in the host
SRC=$1
DST=$2
VM_ID=$3
DS_ID=$4
if [ -z "${ONE_LOCATION}" ]; then
TMCOMMON=/var/lib/one/remotes/tm/tm_common.sh
else
TMCOMMON=$ONE_LOCATION/var/remotes/tm/tm_common.sh
fi
DRIVER_PATH=$(dirname $0)
source $TMCOMMON
source ${DRIVER_PATH}/../../datastore/libfs.sh
#-------------------------------------------------------------------------------
# Set dst path and dir
#-------------------------------------------------------------------------------
SRC_HOST=`arg_host $SRC`
SRC_PATH=`arg_path $SRC`
DST_PATH=`arg_path $DST`
DST_HOST=`arg_host $DST`
DST_DIR=`dirname $DST_PATH`
DS_SYS_ID=$(echo $DST_DIR|$AWK -F '/' '{print $(NF-1)}')
SIZE=`file_size $SRC_PATH`
if [ "$SIZE" = "0" ]; then
log_error "Cannot determine size for $SRC_PATH"
exit -1
fi
DISK_ID=$(echo $DST_PATH|$AWK -F. '{print $NF}')
LV_NAME="lv-one-$VM_ID-$DISK_ID"
VG_NAME="vg-one-$DS_SYS_ID"
DEV="/dev/${VG_NAME}/${LV_NAME}"
#-------------------------------------------------------------------------------
# Create the snapshot and link it
#-------------------------------------------------------------------------------
CLONE_CMD=$(cat <<EOF
set -e
mkdir -p $DST_DIR
$SUDO $LVCREATE -L${SIZE}B -n $LV_NAME $VG_NAME
$SUDO $DD if="$SRC_PATH" of="$DEV" bs=64k
ln -s "$DEV" "$DST_PATH"
EOF
)
ssh_exec_and_log "$DST_HOST" "$CLONE_CMD" \
"Error cloning $SRC_PATH to $LV_NAME"
exit 0

1
src/tm_mad/shared_lvm/ln Symbolic link
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./clone

19
src/tm_mad/shared_lvm/mv
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#!/bin/bash
# -------------------------------------------------------------------------- #
# Copyright 2002-2013, 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. #
#--------------------------------------------------------------------------- #
exit 0

1
src/tm_mad/shared_lvm/mv Symbolic link
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@ -0,0 +1 @@
../dummy/mv

2
src/tm_mad/shared_lvm/mvds
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@ -21,7 +21,7 @@
# - SOURCE is the path of the disk image in the form DS_BASE_PATH/disk
# - host is the target host to deploy the VM
# - remote_system_ds is the path for the system datastore in the host
s
SRC=$1
DST=$2
VM_ID=$3

29
src/tm_mad/shared_lvm/postmigrate
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@ -1,29 +0,0 @@
#!/bin/bash
# -------------------------------------------------------------------------- #
# Copyright 2002-2013, 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. #
#--------------------------------------------------------------------------- #
# POSTMIGRATE SOURCE DST remote_system_dir vmid dsid template
# - SOURCE is the host where the VM is running
# - DST is the host where the VM is to be migrated
# - remote_system_dir is the path for the VM home in the system datastore
# - vmid is the id of the VM
# - dsid is the target datastore
# - template is the template of the VM in XML and base64 encoded
# To access the vm_template you can use the xpath.rb utility. Check the
# datastore drivers for an example.
exit 0

1
src/tm_mad/shared_lvm/postmigrate Symbolic link
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@ -0,0 +1 @@
../common/postmigrate

29
src/tm_mad/shared_lvm/premigrate
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#!/bin/bash
# -------------------------------------------------------------------------- #
# Copyright 2002-2013, 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. #
#--------------------------------------------------------------------------- #
# PREMIGRATE SOURCE DST remote_system_dir vmid dsid template
# - SOURCE is the host where the VM is running
# - DST is the host where the VM is to be migrated
# - remote_system_dir is the path for the VM home in the system datastore
# - vmid is the id of the VM
# - dsid is the target datastore
# - template is the template of the VM in XML and base64 encoded
# To access the vm_template you can use the xpath.rb utility. Check the
# datastore drivers for an example.
exit 0

1
src/tm_mad/shared_lvm/premigrate Symbolic link
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../common/premigrate