dracut.module: Add time for fluent-bit to initialize.

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

@@ -9,6 +9,7 @@ log_file=/var/log/metadata_collect.log
 /sbin/fluent-bit -e /etc/libfluentbit_wendelin.so -c /etc/flb.conf &
 flb_pid=$!
 
+sleep 1 # let fluent-bit be ready to listen to the log file
 echo "{beginning_date: \"$(date)\"}" >> $log_file
 /sbin/metadata-collect-agent $NEWROOT/usr/bin $log_file
 /sbin/metadata-collect-agent $NEWROOT/usr/sbin $log_file