1 files changed, 34 insertions, 0 deletions
diff --git a/remote/modules/run-virt/data/opt/openslx/vmchooser/run-virt-includes/detect_legacy.inc b/remote/modules/run-virt/data/opt/openslx/vmchooser/run-virt-includes/detect_legacy.inc
new file mode 100644
index 00000000..8bdfd8b1
--- /dev/null
+++ b/remote/modules/run-virt/data/opt/openslx/vmchooser/run-virt-includes/detect_legacy.inc
@@ -0,0 +1,34 @@
+########################################################
+# Include: Detect, whether runvirt runs in legacy mode #
+########################################################
+
+# Legacy mode: As runvirt has been before.
+# New mode: uuid in xml _and_ vmx given via http.
+
+writelog "Detecting current/legacy mode ..."
+
+# First, let's try to extract an imguuid from xmlfile:
+declare -rg IMGUUID=$(grep -i -o '<uuid param=.*"' "${xmlfile}" | sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')
+declare -rg TMPCONFIG="$TMPDIR/vmconfig.tmp"
+
+writelog "IMGUUID extracted: $IMGUUID"
+
+# Assume legacy mode by default, only trigger "current" mode if everything else below worked
+LEGACY=yes
+if [ -z "$IMGUUID" ]; then	# Keine uuid: Abbruch, Legacy
+	writelog "Could not extract a uuid param from ${xmlfile}. Triggering legacy mode."
+else
+	# Now getting template file:
+	if ! wget -T 6 -O "$TMPCONFIG" "${SLX_VMCHOOSER_BASE_URL}/lecture/${IMGUUID}" 2>/dev/null >&2; then
+		writelog "wget ${SLX_VMCHOOSER_BASE_URL}/lecture/${IMGUUID}. Triggering legacy mode."
+	else
+		writelog "wget ${SLX_VMCHOOSER_BASE_URL}/lecture/${IMGUUID} successful."
+		if [ ! -s "$TMPCONFIG" ]; then
+			writelog "Server sent zero byte virtual machine description file. Triggering legacy mode."
+		else
+			writelog "Triggering current (non-legacy) mode."
+			LEGACY=		# everything worked - clear legacy mode variable (so we use the "current" mode)
+		fi
+	fi
+fi
+