add prometheus basic auth

pkg/costmodel/router.go

@@ -46,6 +46,8 @@ const (
 var (
 	// gitCommit is set by the build system
 	gitCommit                       string
+	dbBasicAuthUsername             string = env.GetDBBasicAuthUsername()
+	dbBasicAuthPW                   string = env.GetDBBasicAuthUserPassword()
 	multiclusterDBBasicAuthUsername string = env.GetMultiClusterBasicAuthUsername()
 	multiclusterDBBasicAuthPW       string = env.GetMultiClusterBasicAuthPassword()
 )
@@ -739,7 +741,7 @@ func Initialize(additionalConfigWatchers ...ConfigWatchers) {
 		Address:      address,
 		RoundTripper: LongTimeoutRoundTripper,
 	}
-	promCli, _ := prom.NewRateLimitedClient(pc, queryConcurrency, "", "")
+	promCli, _ := prom.NewRateLimitedClient(pc, queryConcurrency, dbBasicAuthUsername, dbBasicAuthPW)
 
 	m, err := ValidatePrometheus(promCli, false)
 	if err != nil || m.Running == false {

pkg/env/costmodelenv.go

@@ -28,6 +28,8 @@ const (
 	ErrorReportingEnabledEnvVar   = "ERROR_REPORTING_ENABLED"
 	ValuesReportingEnabledEnvVar  = "VALUES_REPORTING_ENABLED"
 
+	DBBasicAuthUsername           = "DB_BASIC_AUTH_USERNAME"
+	DBBasicAuthPassword           = "DB_BASIC_AUTH_PW"
 	MultiClusterBasicAuthUsername = "MC_BASIC_AUTH_USERNAME"
 	MultiClusterBasicAuthPassword = "MC_BASIC_AUTH_PW"
 
@@ -178,6 +180,15 @@ func GetMaxQueryConcurrency() int {
 	return GetInt(MaxQueryConcurrencyEnvVar, 5)
 }
 
+func GetDBBasicAuthUsername() string {
+	return Get(DBBasicAuthUsername, "")
+}
+
+func GetDBBasicAuthUserPassword() string {
+	return Get(DBBasicAuthPassword, "")
+
+}
+
 // GetMultiClusterBasicAuthUsername returns the environemnt variable value for MultiClusterBasicAuthUsername
 func GetMultiClusterBasicAuthUsername() string {
 	return Get(MultiClusterBasicAuthUsername, "")