added level based logging using uber/zap

schema/schema_util.go

@@ -2,9 +2,10 @@ package schema
 
 import (
 	"com.navi.medici.janus/config"
+	"com.navi.medici.janus/utils"
 	"fmt"
 	"github.com/riferrei/srclient"
-	"log"
+	"go.uber.org/zap"
 	"strings"
 )
 
@@ -12,9 +13,11 @@ var (
 	SchemaRegistryEndpoint string
 	TopicList              []string
 	SchemaVersionMap       = make(map[string]int)
+	logger                 *zap.Logger
 )
 
 func InitializeSchemaHandler(configuration config.Configurations) {
+	logger = utils.GetLogger()
 	SchemaRegistryEndpoint = configuration.SchemaRegistry.Endpoint
 	TopicList = strings.Split(configuration.SchemaRegistry.Topics, ",")
 	// initialize schema version map which contains latest schema version for topic(s)
@@ -28,14 +31,13 @@ func GetSchemaVersions() {
 	for _, topic := range TopicList {
 		schema, err := schemaRegistryClient.GetLatestSchema(topic, false)
 		if err != nil {
-			log.Println(err)
+			logger.Error("error in fetching latest schema", zap.Error(err))
 		} else {
 			schemaId := schema.ID()
 			SchemaVersionMap[topic] = schemaId
 		}
 	}
-
-	log.Println(SchemaVersionMap)
+	logger.Debug("Schema Version Map", zap.String("", fmt.Sprintf("%v", SchemaVersionMap)))
 }
 
 func AddSchema(topic string, schemaType string, schema string) error {
@@ -43,8 +45,7 @@ func AddSchema(topic string, schemaType string, schema string) error {
 	schemaRegistryClient := srclient.CreateSchemaRegistryClient(SchemaRegistryEndpoint)
 	schemaRegistryClient.CodecCreationEnabled(false)
 	existingSchema, _ := schemaRegistryClient.GetLatestSchema(topic, false)
-	fmt.Println("EXISTINGSCHEMA: ")
-	fmt.Println(existingSchema)
+	logger.Debug("EXISTINGSCHEMA", zap.String("", fmt.Sprintf("%v", existingSchema)))
 
 	if existingSchema != nil {
 		compatible, errorCompatible := schemaRegistryClient.IsSchemaCompatible(topic, schema, "latest", srclient.SchemaType(schemaType), false)
@@ -56,8 +57,6 @@ func AddSchema(topic string, schemaType string, schema string) error {
 	}
 
 	_, errroCreate := schemaRegistryClient.CreateSchema(topic, schema, srclient.SchemaType(schemaType), false)
-	// fmt.Println("SCHEMA_ID: ")
-	// fmt.Println(schemaObj.ID())
 
 	if errroCreate != nil {
 		return errroCreate