[docker-syncd-mlnx]: use service dependency in supervisord to start services

platform/mellanox/docker-syncd-mlnx/Dockerfile.j2

@@ -35,7 +35,6 @@ RUN apt-get clean -y && \
     apt-get autoremove -y && \
     rm -rf /debs
 
-COPY ["start.sh", "/usr/bin/"]
 COPY ["supervisord.conf", "/etc/supervisor/conf.d/"]
 COPY ["files/supervisor-proc-exit-listener", "/usr/bin"]
 COPY ["critical_processes", "/etc/supervisor/"]

platform/mellanox/docker-syncd-mlnx/start.sh

@@ -1,8 +0,0 @@
-#!/usr/bin/env bash
-
-rm -f /var/run/rsyslogd.pid
-
-supervisorctl start rsyslogd
-
-supervisorctl start syncd
-

platform/mellanox/docker-syncd-mlnx/supervisord.conf

@@ -3,32 +3,35 @@ logfile_maxbytes=1MB
 logfile_backups=2
 nodaemon=true
 
+[eventlistener:dependent-startup]
+command=python -m supervisord_dependent_startup
+autostart=true
+autorestart=unexpected
+startretries=0
+exitcodes=0,3
+events=PROCESS_STATE
+
 [eventlistener:supervisor-proc-exit-listener]
 command=/usr/bin/supervisor-proc-exit-listener --container-name syncd
 events=PROCESS_STATE_EXITED
 autostart=true
 autorestart=unexpected
 
-[program:start.sh]
-command=/usr/bin/start.sh
-priority=1
-autostart=true
-autorestart=false
-stdout_logfile=syslog
-stderr_logfile=syslog
-
 [program:rsyslogd]
-command=/usr/sbin/rsyslogd -n
+command=/usr/sbin/rsyslogd -n -iNONE
-priority=2
+priority=1
 autostart=false
 autorestart=unexpected
 stdout_logfile=syslog
 stderr_logfile=syslog
+dependent_startup=true
 
 [program:syncd]
 command=/usr/bin/syncd_start.sh
-priority=3
+priority=2
 autostart=false
 autorestart=false
 stdout_logfile=syslog
 stderr_logfile=syslog
+dependent_startup=true
+dependent_startup_wait_for=rsyslogd:running