dracut.module: Support WENDELIN_USER macro.

dracut.module/90metadata-collect/collect.sh

@@ -3,7 +3,9 @@
 . /lib/dracut-lib.sh
 
 source $NEWROOT/etc/rapid.space/get-network.sh
-sed -i "s/%WENDELIN_REFERENCE%/$(cat $NEWROOT/etc/rapid.space/wendelin_reference)/g" /etc/flb.conf
+WENDELIN_REFERENCE=$(cat $NEWROOT/etc/rapid.space/wendelin_reference)
+WENDELIN_USER=$(cat $NEWROOT/etc/rapid.space/wendelin_user)
+sed -i "s/%WENDELIN_REFERENCE%/$WENDELIN_REFERNCE/g;s/%WENDELIN_USER%/$WENDELIN_USER/g" /etc/flb.conf
 
 log_file=/var/log/metadata_collect.log
 timestamp_cmd='date +"%Y/%m/%d %H:%M %Z"'