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#!/bin/bash
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# -------------------------------------------------------------------------- #
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# Copyright 2002-2016, OpenNebula Project, OpenNebula Systems #
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# #
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# Licensed under the Apache License, Version 2.0 (the "License"); you may #
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# not use this file except in compliance with the License. You may obtain #
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# a copy of the License at #
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# #
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# http://www.apache.org/licenses/LICENSE-2.0 #
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# #
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# Unless required by applicable law or agreed to in writing, software #
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# distributed under the License is distributed on an "AS IS" BASIS, #
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
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# See the License for the specific language governing permissions and #
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# limitations under the License. #
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#--------------------------------------------------------------------------- #
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###############################################################################
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# This script is used to remove a VM image (SRC) from the image repository
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###############################################################################
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# ------------ Set up the environment to source common tools ------------
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# Log parameters to avoid duplicate message merging by syslog
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logger -t one-ds-delete "Start datastore RM script $1 $2"
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if [ -z "${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=$1
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ID=$2
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XPATH="${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 < <($XPATH /DS_DRIVER_ACTION_DATA/IMAGE/SOURCE \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/BRIDGE_LIST \
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/DS_DRIVER_ACTION_DATA/DATASTORE/BASE_PATH)
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unset i
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SRC="${XPATH_ELEMENTS[i++]}"
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BRIDGE_LIST="${XPATH_ELEMENTS[i++]}"
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BASE_PATH="${XPATH_ELEMENTS[i++]}"
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# ------------ Remove the image from the repository ------------
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logger -t one-ds-delete "ID='${ID}', SRC='${SRC}', BASE_PATH='${BASE_PATH}', BRIDGE_LIST='${BRIDGE_LIST}', REMOTE_RM_CMD='${REMOTE_RM_CMD}'"
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if [ -n "$BRIDGE_LIST" ]; then
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DST_HOST=`get_destination_host $ID`
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logger -t one-ds-delete "SSH EXEC: $DST_HOST [ -f $SRC ] && rm -rf $SRC $SRC.snap"
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ssh_exec_and_log "$DST_HOST" "[ -f $SRC ] && rm -rf $SRC $SRC.snap" \
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"Error deleting $SRC in $DST_HOST"
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else
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BASENAME_SRC=`basename "${SRC##$REMOTE_RM_CMD}"`
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logger -t one-ds-delete "BASENAME_SRC='${BASENAME_SRC}'"
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if [ -f "$SRC" -a `dirname "$SRC"` = "$BASE_PATH" -a -n "$BASENAME_SRC" ]
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then
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log "Removing $SRC from the image repository"
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logger -t one-ds-delete "rm -rf $SRC $SRC.snap"
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exec_and_log "rm -rf $SRC $SRC.snap" \
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"Error deleting $SRC"
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else
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logger -t one-ds-delete "Bad formed or unavailable Image source: ${SRC}"
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log_error "Bad formed or unavailable Image source: ${SRC}"
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exit 1
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fi
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fi
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