128 lines
3.5 KiB
Bash
Executable File
128 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# Vitastor OpenNebula driver
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# Copyright (c) Vitaliy Filippov, 2024+
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# License: Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0
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# This script is used to create a VM image (SRC) of size (SIZE) and formatted as (FS)
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# -------- Set up the environment to source common tools & conf ------------
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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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source ${DRIVER_PATH}/../../etc/datastore/datastore.conf
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# -------- Get mkfs and datastore arguments from OpenNebula core ------------
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DRV_ACTION=`cat -`
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ID=$1
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XPATH="${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 < <($XPATH \
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/DS_DRIVER_ACTION_DATA/DATASTORE/BASE_PATH \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/RESTRICTED_DIRS \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/SAFE_DIRS \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/BRIDGE_LIST \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/POOL_NAME \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/IMAGE_PREFIX \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/STAGING_DIR \
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/DS_DRIVER_ACTION_DATA/IMAGE/FORMAT \
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/DS_DRIVER_ACTION_DATA/IMAGE/SIZE \
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/DS_DRIVER_ACTION_DATA/IMAGE/FS \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/VITASTOR_CONF)
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unset i
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BASE_PATH="${XPATH_ELEMENTS[i++]}"
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RESTRICTED_DIRS="${XPATH_ELEMENTS[i++]}"
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SAFE_DIRS="${XPATH_ELEMENTS[i++]}"
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BRIDGE_LIST="${XPATH_ELEMENTS[i++]}"
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POOL_NAME="${XPATH_ELEMENTS[i++]}"
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IMAGE_PREFIX="${XPATH_ELEMENTS[i++]}"
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STAGING_DIR="${XPATH_ELEMENTS[i++]:-$STAGING_DIR}"
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FORMAT="${XPATH_ELEMENTS[i++]}"
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SIZE="${XPATH_ELEMENTS[i++]}"
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FS="${XPATH_ELEMENTS[i++]}"
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VITASTOR_CONF="${XPATH_ELEMENTS[i++]}"
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DST_HOST=`get_destination_host $ID`
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if [ -z "$DST_HOST" ]; then
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error_message "Datastore template missing 'BRIDGE_LIST' attribute."
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exit -1
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fi
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CLI=
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if [ -n "$VITASTOR_CONF" ]; then
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CLI="$CLI --config_path ${VITASTOR_CONF}"
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fi
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if [ -n "$POOL_NAME" ]; then
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CLI="$CLI --pool ${POOL_NAME}"
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fi
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set_up_datastore "$BASE_PATH" "$RESTRICTED_DIRS" "$SAFE_DIRS"
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IMAGE_NAME="${IMAGE_PREFIX}one-${ID}"
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# ------------ Image to save_as disk, no need to create a new image ------------
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if [ "$FORMAT" = "save_as" ]; then
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echo "$IMAGE_NAME"
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exit 0
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fi
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# ------------ Create the image in the repository ------------
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# FIXME: Duplicate code with tm/vitastor/mkimage
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MKIMAGE_CMD=$(cat <<EOF
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set -e -o pipefail
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export PATH=/usr/sbin:/sbin:\$PATH
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vitastor-cli $CLI create --pool "${POOL_NAME}" "$IMAGE_NAME" --size "${SIZE}M"
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EOF
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)
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if [ -n "$FS" -o "$FORMAT" = "swap" ]; then
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MKFS_CMD=`mkfs_command '$NBD' raw "$SIZE" "$SUPPORTED_FS" "$FS" "$FS_OPTS" | grep -v $QEMU_IMG`
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fi
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MKIMAGE_CMD=$(cat <<EOF
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set -e -o pipefail
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export PATH=/usr/sbin:/sbin:\$PATH
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vitastor-cli $CLI create --pool "${POOL_NAME}" "$IMAGE_NAME" --size "${SIZE}M"
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EOF
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)
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if [ ! -z $FS ]; then
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set -e -o pipefail
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IMAGE_HASH=`generate_image_hash`
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TMP_DST="$STAGING_DIR/$IMAGE_HASH"
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FS_OPTS=$(eval $(echo "echo \$FS_OPTS_$FS"))
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MKFS_CMD=`mkfs_command '$NBD' raw "$SIZE" "$SUPPORTED_FS" "$FS" "$FS_OPTS" | grep -v $QEMU_IMG`
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MKIMAGE_CMD=$(cat <<EOF
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$MKIMAGE_CMD
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NBD=\$(sudo vitastor-nbd $CLI map --image "$IMAGE_NAME")
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trap "sudo vitastor-nbd $CLI unmap \$NBD" EXIT
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$MKFS_CMD
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EOF
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)
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fi
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ssh_exec_and_log "$DST_HOST" "$MKIMAGE_CMD" "Error registering $IMAGE_NAME in $DST_HOST"
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echo "$IMAGE_NAME"
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