[Pmon] Add new daemon "syseepromd" to pmon docker

dockers/docker-platform-monitor/Dockerfile.j2

@@ -52,7 +52,7 @@ RUN apt-get autoclean -y
 RUN apt-get autoremove -y
 RUN rm -rf /debs /python-wheels ~/.cache
 
-COPY ["docker_init.sh", "lm-sensors.sh", "/usr/bin/"]
+COPY ["docker_init.sh", "lm-sensors.sh", "event-listener", "/usr/bin/"]
 COPY ["docker-pmon.supervisord.conf.j2", "start.sh.j2", "/usr/share/sonic/templates/"]
 
 ENTRYPOINT ["/usr/bin/docker_init.sh"]

dockers/docker-platform-monitor/docker-pmon.supervisord.conf.j2

@@ -69,3 +69,9 @@ stdout_logfile=syslog
 stderr_logfile=syslog
 startsecs=0
 {% endif %}
+
+[eventlistener:event-listener]
+command=/usr/bin/event-listener
+events=SUPERVISOR_STATE_CHANGE_STOPPING
+stderr_logfile=syslog
+

dockers/docker-platform-monitor/event-listener

@@ -0,0 +1,49 @@
+#!/usr/bin/env python2
+
+'''
+    event-listener
+    Supervisord event listener for SONiC pmon container
+    This event listener will monitor the 'SUPERVISOR_STATE_CHANGE_STOPPING' event of supervisord when it is shutting down.
+    On this event, event listener will call command 'post-syseeprom -c' to clear the state DB.
+'''
+
+try:
+    import sys
+    import subprocess
+    from supervisor.childutils import listener
+except ImportError, e:
+    raise ImportError (str(e) + " - required module not found")
+
+EVENT_TO_LISTEN = 'SUPERVISOR_STATE_CHANGE_STOPPING'
+COMMAND_ON_EVENT = 'post-syseeprom -c'
+
+def write_log(s):
+    sys.stderr.write(s)
+    sys.stderr.flush()
+
+class EventListener:
+    def __init__(self, event, command_string):
+        self.event = event
+        self.command = (command_string.strip()).split()
+
+    def run(self):
+        write_log("Event-listener start up...\n")
+
+        while True:
+            headers, body = listener.wait()
+            if headers["eventname"] == self.event:
+                subprocess.call(self.command)
+                write_log("Event-listener process docker stopping... \n")
+                listener.ok(sys.stdout)
+                break
+
+            listener.ok(sys.stdout)
+
+        write_log("Event-listener shutting down...\n")
+
+def main():
+    event_listener = EventListener(EVENT_TO_LISTEN, COMMAND_ON_EVENT)
+    event_listener.run()
+
+if __name__ == '__main__':
+    main()

dockers/docker-platform-monitor/start.sh.j2

@@ -48,3 +48,10 @@ supervisorctl start xcvrd
 {% if not skip_psud %}
 supervisorctl start psud
 {% endif %}
+
+post-syseeprom -w
+rc=$? 
+if [ $rc != 0 ]; then 
+    exit $rc
+fi
+

rules/docker-platform-monitor.mk

@@ -3,7 +3,7 @@
 DOCKER_PLATFORM_MONITOR = docker-platform-monitor.gz
 $(DOCKER_PLATFORM_MONITOR)_PATH = $(DOCKERS_PATH)/docker-platform-monitor
 $(DOCKER_PLATFORM_MONITOR)_DEPENDS += $(LIBSENSORS) $(LM_SENSORS) $(FANCONTROL) $(SENSORD) $(LIBSWSSCOMMON) $(PYTHON_SWSSCOMMON) $(SMARTMONTOOLS)
-$(DOCKER_PLATFORM_MONITOR)_PYTHON_DEBS += $(SONIC_LEDD) $(SONIC_XCVRD) $(SONIC_PSUD)
+$(DOCKER_PLATFORM_MONITOR)_PYTHON_DEBS += $(SONIC_LEDD) $(SONIC_XCVRD) $(SONIC_PSUD) $(SONIC_POST_SYSEEPROM)
 $(DOCKER_PLATFORM_MONITOR)_PYTHON_WHEELS += $(SONIC_PLATFORM_COMMON_PY2)
 $(DOCKER_PLATFORM_MONITOR)_PYTHON_WHEELS += $(SWSSSDK_PY2)
 $(DOCKER_PLATFORM_MONITOR)_PYTHON_WHEELS += $(SONIC_PLATFORM_API_PY2)

rules/sonic-post-syseeprom.mk

@@ -0,0 +1,5 @@
+# sonic-post-syseeprom (SONiC Syseeprom gathering task) Debian package
+
+SONIC_POST_SYSEEPROM = python-sonic-post-syseeprom_1.0-1_all.deb
+$(SONIC_POST_SYSEEPROM)_SRC_PATH = $(SRC_PATH)/sonic-platform-daemons/sonic-post-syseeprom
+SONIC_PYTHON_STDEB_DEBS += $(SONIC_POST_SYSEEPROM)