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########################################################
# 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.
# First, let's try to extract an imguuid from xmlfile:
IMGUUID=$(grep -io '<uuid param=.*"' "${xmlfile}" | sed -e "s/&.*;/; /g" | awk -F '"' '{ print $2 }')
# Temporary directory for run-virt related stuff
TMPDIR=$(mktemp -d -p /tmp/virt)
# Then get a template (vmx) file via http/wget:
wget -O "$TMPDIR/$IMGUUID" "${SLX_VMCHOOSER_BASE_URL}/lecture/${IMGUUID}"
writelog "IMGUUID: -$IMGUUID- --- TMPDIR: ${TMPDIR}"
if [ -n "$IMGUUID" ] && [ -n "$TMPDIR/$IMGUUID" ]; then
LEGACY= # no legacy; both strings set
writelog "Current (non-legacy) mode detected."
else
LEGACY=: # legacy: One or both strings not set
writelog "Legacy mode detected."
fi
if [ ! -s "$TMPDIR/$IMGUUID" ]; then
writelog "Warning: Image.UUID file has zero bytes - triggering legacy mode."
LEGACY=:
fi
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