Event and alarm management (sonic-net#17949)

* Support for event persistence in redis-db.

* Updates

* Updates including fix to  eventdb in test enviroment.

* Add sonic yang to model event and alarm table.
remove ack, noack from sonic-common-event yang.

* Add event/alarm  persistence related testscases

* Remove file eventdb_ut.cpp.

* Updates to eventdb testsuite.

* Revert changes to existing eventd UT.
Set eventdb testcases as separate test binary.
Skip testcase execution if DB connection failure.

* Commit test related config files.

dockers/docker-database/database_config.json.j2

@@ -130,6 +130,12 @@
             "instance" : {% if include_remote_db %} "remote_redis" {% else %} "redis" {% endif %}
         }
 {% endif %}
+        ,
+        "EVENT_DB" : {
+            "id" : 19,
+            "separator": "|",
+            "instance" : "redis"
+        }
     },
     "VERSION" : "1.0"
 }

dockers/docker-eventd/supervisord.conf

@@ -50,3 +50,13 @@ stderr_logfile=syslog
 dependent_startup=true
 dependent_startup_wait_for=start:exited
 
+[program:eventdb]
+command=/usr/bin/eventdb
+priority=3
+autostart=false
+autorestart=false
+stdout_logfile=syslog
+stderr_logfile=syslog
+dependent_startup=true
+dependent_startup_wait_for=start:exited
+

files/build_templates/docker_image_ctl.j2

@@ -91,9 +91,16 @@ function preStartAction()
             # Load redis content from /host/warmboot/dump.rdb
             docker cp $WARM_DIR/dump.rdb database$DEV:/var/lib/redis/dump.rdb
         else
-            # Create an emtpy file and overwrite any RDB if already there
-            echo -n > /tmp/dump.rdb
-            docker cp /tmp/dump.rdb database$DEV:/var/lib/redis/
+            COLD_DIR=/host/coldboot
+            #In case of cold reboot, load redis content from /host/coldboot/dump.rdb
+            if [[ -f $COLD_DIR/dump.rdb ]]; then
+                #Load redis content from /host/coldboot/dump.rdb
+                docker cp $COLD_DIR/dump.rdb database$DEV:/var/lib/redis/dump.rdb
+            else   
+                # Create an emtpy file and overwrite any RDB if already there
+                echo -n > /tmp/dump.rdb
+                docker cp /tmp/dump.rdb database$DEV:/var/lib/redis/
+            fi        
         fi
     fi
 {%- elif docker_container_name == "pde" %}

src/sonic-eventd/Makefile

@@ -1,12 +1,16 @@
 RM := rm -rf
 EVENTD_TARGET := eventd
 EVENTD_TEST := tests/tests
+EVENTDB_TEST := tests/eventdb
 EVENTD_TOOL := tools/events_tool
 EVENTD_PUBLISH_TOOL := tools/events_publish_tool.py
 RSYSLOG-PLUGIN_TARGET := rsyslog_plugin/rsyslog_plugin
 RSYSLOG-PLUGIN_TEST := rsyslog_plugin_tests/tests
 EVENTD_MONIT := tools/events_monit_test.py
 EVENTD_MONIT_CONF := tools/monit_events
+EVENTDB_TARGET := eventdb
+EVENTDB_DEFAULT_PROFILE := var/evprofile/default.json
+EVENTDB_PROF := etc/eventd.json
 
 CP := cp
 MKDIR := mkdir
@@ -19,7 +23,7 @@ PWD := $(shell pwd)
 
 ifneq ($(MAKECMDGOALS),clean)
 ifneq ($(strip $(C_DEPS)),)
--include $(C_DEPS) $(OBJS)
+-include $(C_DEPS) $(OBJS) $(EVENTDB_OBJS)
 endif
 endif
 
@@ -31,10 +35,11 @@ endif
 
 all: sonic-eventd eventd-tests eventd-tool rsyslog-plugin rsyslog-plugin-tests
 
-sonic-eventd: $(OBJS)
+sonic-eventd: $(OBJS) $(EVENTDB_OBJS)
 	@echo 'Building target: $@'
 	@echo 'Invoking: G++ Linker'
 	$(CC) $(LDFLAGS) -o $(EVENTD_TARGET) $(OBJS) $(LIBS)
+	$(CC) $(LDFLAGS) -o $(EVENTDB_TARGET) $(EVENTDB_OBJS) $(LIBS)
 	@echo 'Finished building target: $@'
 	@echo ' '
 
@@ -52,12 +57,14 @@ rsyslog-plugin: $(RSYSLOG-PLUGIN_OBJS)
 	@echo 'Finished building target: $@'
 	@echo ' '
 
-eventd-tests: $(TEST_OBJS)
+eventd-tests: $(TEST_OBJS) $(EVENTDB_TEST_OBJS)
 	@echo 'Building target: $@'
 	@echo 'Invoking: G++ Linker'
 	$(CC) $(LDFLAGS) -o $(EVENTD_TEST) $(TEST_OBJS) $(LIBS) $(TEST_LIBS)
+	$(CC) $(LDFLAGS) -o $(EVENTDB_TEST) $(EVENTDB_TEST_OBJS) $(LIBS) $(TEST_LIBS)
 	@echo 'Finished building target: $@'
 	$(EVENTD_TEST)
+	$(EVENTDB_TEST)
 	@echo 'Finished running tests'
 	@echo ' '
 
@@ -73,12 +80,16 @@ rsyslog-plugin-tests: $(RSYSLOG-PLUGIN-TEST_OBJS)
 install:
 	$(MKDIR) -p $(DESTDIR)/usr/bin
 	$(MKDIR) -p $(DESTDIR)/etc/monit/conf.d
+	$(MKDIR) -p $(DESTDIR)/etc/evprofile
 	$(CP) $(EVENTD_TARGET) $(DESTDIR)/usr/bin
 	$(CP) $(EVENTD_TOOL) $(DESTDIR)/usr/bin
 	$(CP) $(EVENTD_PUBLISH_TOOL) $(DESTDIR)/usr/bin
 	$(CP) $(RSYSLOG-PLUGIN_TARGET) $(DESTDIR)/usr/bin
 	$(CP) $(EVENTD_MONIT) $(DESTDIR)/usr/bin
 	$(CP) $(EVENTD_MONIT_CONF) $(DESTDIR)/etc/monit/conf.d
+	$(CP) $(EVENTDB_TARGET) $(DESTDIR)/usr/bin
+	$(CP) $(EVENTDB_PROF) $(DESTDIR)/etc/eventd.json
+	$(CP) $(EVENTDB_DEFAULT_PROFILE) $(DESTDIR)/etc/evprofile/default.json
 
 deinstall:
 	$(RM) -rf $(DESTDIR)/usr

src/sonic-eventd/debian/sonic-eventd.install

@@ -1,3 +1,6 @@
 usr/bin/eventd
+usr/bin/eventdb
 usr/bin/events_tool
 usr/bin/events_publish_tool.py
+etc/evprofile/default.json
+etc/eventd.json

src/sonic-eventd/etc/eventd.json

@@ -0,0 +1,5 @@
+{
+    "__README__": "Specify size of event history table. Whichever limit is hit first, eventd wraps event history table around and deletes older records.",
+    "max-records": 40000,
+    "max-days": 30
+}