[GitHub] [nifi] ophers commented on a change in pull request #4182: NIFI-7318 Allow 'docker stop' to gracefully shutdown

[GitBox <gi...@apache.org>]

ophers commented on a change in pull request #4182: NIFI-7318 Allow 'docker stop' to gracefully shutdown
URL: https://github.com/apache/nifi/pull/4182#discussion_r404741402
 
 

 ##########
 File path: nifi-docker/dockerhub/sh/start.sh
 ##########
 @@ -79,11 +79,12 @@ case ${AUTH} in
 esac
 
 # Continuously provide logs so that 'docker logs' can    produce them
-tail -F "${NIFI_HOME}/logs/nifi-app.log" &
 "${NIFI_HOME}/bin/nifi.sh" run &
 nifi_pid="$!"
+tail -F --pid=${nifi_pid} "${NIFI_HOME}/logs/nifi-app.log" &
 
-trap "echo Received trapped signal, beginning shutdown...;" KILL TERM HUP INT EXIT;
+trap 'echo Received trapped signal, beginning shutdown...;./bin/nifi.sh stop;exit 0;' KILL TERM HUP INT;
 
 Review comment:
   Sorry for the late response... we're on the eve of a COVID-19 curfew here...
   Yes, I agree with you KILL is superfluous.

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