[VOL-3695]: Support to create some of the OLT device events over the Device Management Interface
    1. Following events and its corresponding recovered event creation is supported :
       EVENT_FAN_FAILURE
       EVENT_PSU_FAILURE
       EVENT_HW_DEVICE_TEMPERATURE_ABOVE_CRITICAL
    2. Following DMI Native Events Management Service APIs are implemented:
       ListEvents
       UpdateEventsConfiguration
    3. Updated docs/source/DMI_Server_README.md

Change-Id: Ibc48302b61fd52a2f83bd888731f611eaf6c4c37
diff --git a/internal/bbsim/dmiserver/dmi_kafka_producer.go b/internal/bbsim/dmiserver/dmi_kafka_producer.go
index 9ee0172..8955dfa 100755
--- a/internal/bbsim/dmiserver/dmi_kafka_producer.go
+++ b/internal/bbsim/dmiserver/dmi_kafka_producer.go
@@ -26,7 +26,7 @@
 	log "github.com/sirupsen/logrus"
 )
 
-var metricsProducer sarama.AsyncProducer
+var producer sarama.AsyncProducer
 
 // InitializeDMKafkaPublishers initializes  metrics kafka publisher
 func InitializeDMKafkaPublishers(NewAsyncProducer func([]string, *sarama.Config) (sarama.AsyncProducer, error), oltID int, msgBusEndPoint string) error {
@@ -37,9 +37,9 @@
 	config.Producer.Retry.Max = 5
 	config.Metadata.Retry.Max = 10
 	config.Metadata.Retry.Backoff = 10 * time.Second
-	config.ClientID = "BBSim-OLT-Metrics-" + strconv.Itoa(oltID)
+	config.ClientID = "BBSim-OLT-DMIServer-" + strconv.Itoa(oltID)
 
-	metricsProducer, err = NewAsyncProducer([]string{msgBusEndPoint}, config)
+	producer, err = NewAsyncProducer([]string{msgBusEndPoint}, config)
 	return err
 }
 
@@ -49,16 +49,16 @@
 loop:
 	for {
 		select {
-		case metric := <-ch:
-			log.Tracef("Writing to kafka topic(%s): %v", topic, metric)
-			jsonMet, err := json.Marshal(metric)
+		case data := <-ch:
+			log.Tracef("Writing to kafka topic(%s): %v", topic, data)
+			jsonData, err := json.Marshal(data)
 			if err != nil {
-				log.Errorf("Failed to get json metric %v", err)
+				log.Errorf("Failed to get json %v", err)
 				continue
 			}
-			metricsProducer.Input() <- &sarama.ProducerMessage{
+			producer.Input() <- &sarama.ProducerMessage{
 				Topic: topic,
-				Value: sarama.ByteEncoder(jsonMet),
+				Value: sarama.ByteEncoder(jsonData),
 			}
 		case <-ctx.Done():
 			log.Infof("Stopping DM Kafka Publisher for topic %s", topic)