Implement OpenNebula driver

2024-08-30 23:46:37 +03:00
parent 986cd11705
commit 2b96ac0b44
55 changed files with 2969 additions and 3 deletions
@@ -0,0 +1,114 @@
+#!/bin/bash
+
+# Vitastor OpenNebula driver
+# Copyright (c) Vitaliy Filippov, 2024+
+# License: Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0
+
+# This script is used to export an image to qcow2 file
+
+# ------------ Set up the environment to source common tools ------------
+
+if [ -z "${ONE_LOCATION}" ]; then
+    LIB_LOCATION=/usr/lib/one
+else
+    LIB_LOCATION=$ONE_LOCATION/lib
+fi
+
+. $LIB_LOCATION/sh/scripts_common.sh
+
+DRIVER_PATH=$(dirname $0)
+source ${DRIVER_PATH}/../libfs.sh
+
+# -------- Get rm and datastore arguments from OpenNebula core ------------
+
+DRV_ACTION=`cat -`
+ID=$1
+
+XPATH="${DRIVER_PATH}/../xpath.rb -b $DRV_ACTION"
+
+unset i XPATH_ELEMENTS
+
+while IFS= read -r -d '' element; do
+    XPATH_ELEMENTS[i++]="$element"
+done < <($XPATH \
+    /DS_DRIVER_ACTION_DATA/IMAGE/SOURCE \
+    /DS_DRIVER_ACTION_DATA/IMAGE/SIZE \
+    /DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/MD5 \
+    /DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/SHA1 \
+    /DS_DRIVER_ACTION_DATA/IMAGE/TEMPLATE/FORMAT \
+    /DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/BRIDGE_LIST \
+    /DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/VITASTOR_CONF)
+
+unset i
+
+SRC="${XPATH_ELEMENTS[i++]}"
+SIZE="${XPATH_ELEMENTS[i++]}"
+MD5="${XPATH_ELEMENTS[i++]}"
+SHA1="${XPATH_ELEMENTS[i++]}"
+FORMAT="${XPATH_ELEMENTS[i++]:-raw}"
+BRIDGE_LIST="${XPATH_ELEMENTS[i++]}"
+VITASTOR_CONF="${XPATH_ELEMENTS[i++]}"
+
+DST_HOST=`get_destination_host $ID`
+
+if [ -z "$DST_HOST" ]; then
+    error_message "Datastore template missing 'BRIDGE_LIST' attribute."
+    exit -1
+fi
+
+IMPORT_SOURCE="vitastor://$DST_HOST/$SRC"
+IS_JOIN="?"
+
+CLI=vitastor-cli
+if [ -n "$VITASTOR_CONF" ]; then
+    CLI="$CLI --config_path $VITASTOR_CONF"
+    IMPORT_SOURCE="${IMPORT_SOURCE}${IS_JOIN}VITASTOR_CONF=${VITASTOR_CONF}"
+fi
+
+# FIXME: this is inefficient - it pipes the image twice...
+
+INFO_SCRIPT=$(cat <<EOF
+if [ -z "$MD5" ]; then
+    CHECKSUM=\$(
+        $CLI dd iimg=${SRC} | ${MD5SUM} | cut -f1 -d' '
+        ps=\$PIPESTATUS
+
+        if [ "\$ps" != "0" ]; then
+            exit \$ps
+        fi
+    )
+
+    status=\$?
+
+    [ "\$status" != "0" ] && exit \$status
+else
+    CHECKSUM="$MD5"
+fi
+
+if [ -z "\$CHECKSUM" ]; then
+    exit 1
+fi
+
+cat <<EOT
+<MD5><![CDATA[\$CHECKSUM]]></MD5>
+<SIZE><![CDATA[$SIZE]]></SIZE>
+<FORMAT><![CDATA[${FORMAT}]]></FORMAT>
+EOT
+EOF
+)
+
+INFO=$(ssh_monitor_and_log "$DST_HOST" "$INFO_SCRIPT" "Image info script" 2>&1)
+INFO_STATUS=$?
+
+if [ "$INFO_STATUS" != "0" ]; then
+    echo "$INFO"
+    exit $INFO_STATUS
+fi
+
+cat <<EOF
+<IMPORT_INFO>
+    <IMPORT_SOURCE><![CDATA[$IMPORT_SOURCE]]></IMPORT_SOURCE>
+    $INFO
+    <DISPOSE>NO</DISPOSE>
+</IMPORT_INFO>"
+EOF