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############################################
# Include: Get needed values from XML file #
############################################
writelog "Parsing XML..."
declare -rg VMSTORE_PATH=/mnt/vmstore
# Need some lean and mean xml parser some day in the far future
get_xml () {
xmlextract "//settings/eintrag/${1}/@param" "${xmlfile}"
}
IMGUUID=$(get_xml "uuid")
# # Name of the virt image
SRC_IMG_ABSOLUTE=$(get_xml "image_path")
SRC_IMG_RELATIVE=$(get_xml "image_name")
if [ -z "${SRC_IMG_ABSOLUTE}${SRC_IMG_RELATIVE}" ]; then
writelog "Neither relative nor absolute path for image found in xml"
cleanexit 1
fi
if [ -n "$SRC_IMG_ABSOLUTE" ] && [ "${SRC_IMG_ABSOLUTE:0:1}" != "/" ]; then
writelog "Error parsing XML for absolute image path: given value doesn't start with '/': '$SRC_IMG_ABSOLUTE'"
cleanexit 1
fi
if [ -z "$SRC_IMG_ABSOLUTE" ]; then
SRC_IMG_ABSOLUTE="${VMSTORE_PATH}/${SRC_IMG_RELATIVE}"
fi
IMG_BASENAME=$(basename "$SRC_IMG_ABSOLUTE")
writelog "Virtual image file name: $IMG_BASENAME"
VM_DISPLAYNAME=$(get_xml "short_description")
[ -z "$VM_DISPLAYNAME" ] && VM_DISPLAYNAME="${IMG_BASENAME}"
# Define VM_NAME_CLEAN since VM_DISPLAYNAME can be long and contain weird characters
VM_NAME_CLEAN=$(echo "${VM_DISPLAYNAME:0:32}" | sed -r 's/[^0-9a-zA-Z_-\.]+/_/g')
# image is for the following virtual machine
PLUGIN_ID=$(grep -o 'virtualmachine param=.*"' "${xmlfile}" \
| sed -e "s/&.*;/; /g" | awk -F '"' '{print $2}')
# Extracting OS type (VM_OS_TYPE) from xml file. We don't care here whether VM_OS_TYPE is empty, as then
# it will yield the default entries later on.
VM_OS_TYPE=$(get_xml "os")
readonly IMGUUID
readonly SRC_IMG_ABSOLUTE SRC_IMG_RELATIVE
readonly IMG_BASENAME
readonly VM_DISPLAYNAME VM_NAME_CLEAN
readonly PLUGIN_ID
readonly VM_OS_TYPE
writelog "VM UUID: $IMGUUID"
writelog "Virtualization plugin: $PLUGIN_ID"
writelog "VM name: $VM_DISPLAYNAME"
writelog "VM short name: $VM_NAME_CLEAN"
writelog "VM OS: $VM_OS_TYPE"
writelog "Done parsing XML."
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