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############################################
# Include: Get needed values from XML file #
############################################
## Functions ##
parse_xml() {
# Sanity checks
if ! check_dep get_xml; then
writelog "Could not find 'get_xml'"
EXIT_TYPE="internal" EXIT_REASON="Keine XML-Unterstützung!" cleanexit 1
fi
writelog "Parsing XML..."
declare -rg VMSTORE_PATH=/mnt/vmstore
declare -rg IMGUUID=$(get_xml "uuid")
if isempty IMGUUID; then
writelog "Error parsing XML: No value for 'uuid'."
EXIT_TYPE="user" EXIT_REASON="Konnte keine ID für das ausgewählte Image ermitteln!" cleanexit 1
fi
# Set resource URLs for this lecture
[ -n "$url_lecture_config" ] && readonly url_lecture_config="${url_lecture_config//%UUID%/${IMGUUID}}"
[ -n "$url_lecture_metadata" ] && readonly url_lecture_metadata="${url_lecture_metadata//%UUID%/${IMGUUID}}"
[ -n "$url_lecture_netshares" ] && readonly url_lecture_netshares="${url_lecture_netshares//%UUID%/${IMGUUID}}"
[ -n "$url_lecture_runscript" ] && readonly url_lecture_runscript="${url_lecture_runscript//%UUID%/${IMGUUID}}"
# Relative / Absolute path to image
declare -rg SRC_IMG_RELATIVE=$(get_xml "image_name")
declare -g SRC_IMG_ABSOLUTE=$(get_xml "image_path")
if isempty SRC_IMG_ABSOLUTE SRC_IMG_RELATIVE; then
writelog "Error parsing XML: Neither relative nor absolute path for image found!"
EXIT_TYPE="user" EXIT_REASON="Konnte kein Pfad zur ausgewählten virtuellen Maschine ermitteln!" cleanexit 1
fi
if notempty SRC_IMG_ABSOLUTE && [ "${SRC_IMG_ABSOLUTE:0:1}" != "/" ]; then
writelog "Error parsing XML: Parsed value for absolute path doesn't start with '/': '$SRC_IMG_ABSOLUTE'"
EXIT_TYPE="user" EXIT_REASON="Ungültiger asboluter Pfad zur virtuellen Maschine!" cleanexit 1
fi
if isempty SRC_IMG_ABSOLUTE && notempty VMSTORE_PATH; then
SRC_IMG_ABSOLUTE="${VMSTORE_PATH}/${SRC_IMG_RELATIVE}"
fi
readonly SRC_IMG_ABSOLUTE
declare -rg IMG_BASENAME=$(basename "$SRC_IMG_ABSOLUTE")
VM_DISPLAYNAME=$(get_xml "short_description")
notempty VM_DISPLAYNAME || VM_DISPLAYNAME="${IMG_BASENAME}"
readonly VM_DISPLAYNAME
# Define VM_CLEANNAME since VM_DISPLAYNAME can be long and contain weird characters
declare -rg VM_CLEANNAME=$(echo "${VM_DISPLAYNAME:0:32}" | sed -r 's/[^0-9a-zA-Z_\-\.]+/_/g')
# image is for the following virtual machine
declare -rg PLUGIN_ID=$(get_xml "virtualmachine")
if isempty PLUGIN_ID; then
writelog "Error parsing XML: No value for 'virtualmachine'."
EXIT_TYPE="user" EXIT_REASON="Konnte kein Virtualisierer für das ausgewählte Image ermitteln." cleanexit 1
fi
# 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.
declare -g VM_OS_TYPE=$(get_xml "os")
# Print summary to log
writelog "\tVirtualization plugin: $PLUGIN_ID"
writelog "\tVM filename: $IMG_BASENAME"
writelog "\tVM UUID: $IMGUUID"
writelog "\tVM name: $VM_DISPLAYNAME"
writelog "\tVM short name: $VM_CLEANNAME"
writelog "\tVM OS: $VM_OS_TYPE"
writelog "Done parsing XML."
return 0
}
## MAIN ##
call_post_source parse_xml
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