sonic-buildimage/dockers/docker-base/etc/rsyslog.d/supervisor.conf

module(load="imfile") #By default notify mode
$WorkDirectory /var/log/supervisor
# Start Monitoring the file
input(type="imfile"
      File="/var/log/supervisor/supervisord.log"
      Tag="supervisord"
      Severity="info"
      Facility="local0"
      PersistStateInterval="1")
Enable the notify mode of rsyslogd imfile module used for supervisord (#6298) Enable the notify mode of rsyslogd imfile module used for supervisord logs in docker container 2020-12-31 19:01:57 -06:00			`module(load="imfile") #By default notify mode`
			`$WorkDirectory /var/log/supervisor`
			`# Start Monitoring the file`
			`input(type="imfile"`
			`File="/var/log/supervisor/supervisord.log"`
			`Tag="supervisord"`
			`Severity="info"`
			`Facility="local0"`
			`PersistStateInterval="1")`