ipfixprobed: update ipfixprobed script to support new yaml configuration

format

Author: Pavel Siska

init/ipfixprobed

@@ -2,7 +2,8 @@
 
 CONFFILE="/etc/ipfixprobe/$1.conf"
 
-if [ -e "$CONFFILE" ]; then
+parse_old_format() {
+   # Parse the old format of the configuration file
    source "$CONFFILE"
    input=""
    dpdkinput=""
@@ -131,7 +132,26 @@ if [ -e "$CONFFILE" ]; then
    fi
 
    exec /usr/bin/ipfixprobe "${dpdkinput[@]}" $input $storage $process $output $telemetry $EXTRA_ARGS
+}
+
+if [ -e "$CONFFILE" ]; then
+   if grep -q 'INPUT\[' $CONFFILE; then
+      echo "WARNING: Legacy configuration format detected. This format is obsolete and will be removed in version 5.2."
+      echo "Please transition to the new YAML configuration format. For more details, visit: https://github.com/CESNET/ipfixprobe/blob/master/init/link0.conf.example"
+      parse_old_format
+   else
+      command=$(python3 config2args.py --config $CONFFILE)
+      status=$?
+
+      if [ $status -ne 0 ]; then
+         echo "Cannot convert yaml config" >&2
+         exit $status
+      fi
+      exec $command
+   fi
 else
    echo "Configuration file '$CONFFILE' does not exist, exitting." >&2
    exit 1
 fi
+
+exit 0