chore: split ingest and kafka specific config

This allows us to reuse the Kafka configuration object in other parts of the system/other configuration files.
openmeterio · Jul 2, 2024 · 33f4434 · 33f4434
1 parent 64a7017
commit 33f4434
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Showing 3 changed files with 55 additions and 40 deletions.
diff --git a/config/config_test.go b/config/config_test.go
@@ -77,18 +77,20 @@ func TestComplete(t *testing.T) {
 		},
 		Ingest: IngestConfiguration{
 			Kafka: KafkaIngestConfiguration{
-				Broker:              "127.0.0.1:9092",
-				SecurityProtocol:    "SASL_SSL",
-				SaslMechanisms:      "PLAIN",
-				SaslUsername:        "user",
-				SaslPassword:        "pass",
+				KafkaConfiguration: KafkaConfiguration{
+					Broker:           "127.0.0.1:9092",
+					SecurityProtocol: "SASL_SSL",
+					SaslMechanisms:   "PLAIN",
+					SaslUsername:     "user",
+					SaslPassword:     "pass",
+
+					BrokerAddressFamily:          pkgkafka.BrokerAddressFamilyAny,
+					TopicMetadataRefreshInterval: pkgkafka.TimeDurationMilliSeconds(time.Minute),
+					StatsInterval:                pkgkafka.TimeDurationMilliSeconds(5 * time.Second),
+					SocketKeepAliveEnabled:       true,
+				},
 				Partitions:          1,
 				EventsTopicTemplate: "om_%s_events",
-
-				BrokerAddressFamily:          pkgkafka.BrokerAddressFamilyAny,
-				TopicMetadataRefreshInterval: pkgkafka.TimeDurationMilliSeconds(time.Minute),
-				StatsInterval:                pkgkafka.TimeDurationMilliSeconds(5 * time.Second),
-				SocketKeepAliveEnabled:       true,
 			},
 		},
 		Aggregation: AggregationConfiguration{

diff --git a/config/ingest.go b/config/ingest.go
@@ -26,13 +26,30 @@ func (c IngestConfiguration) Validate() error {
 }
 
 type KafkaIngestConfiguration struct {
-	Broker              string
-	SecurityProtocol    string
-	SaslMechanisms      string
-	SaslUsername        string
-	SaslPassword        string
+	KafkaConfiguration `mapstructure:",squash"`
+
 	Partitions          int
 	EventsTopicTemplate string
+}
+
+// Validate validates the configuration.
+func (c KafkaIngestConfiguration) Validate() error {
+	if c.EventsTopicTemplate == "" {
+		return errors.New("events topic template is required")
+	}
+
+	if err := c.KafkaConfiguration.Validate(); err != nil {
+		return err
+	}
+	return nil
+}
+
+type KafkaConfiguration struct {
+	Broker           string
+	SecurityProtocol string
+	SaslMechanisms   string
+	SaslUsername     string
+	SaslPassword     string
 
 	StatsInterval pkgkafka.TimeDurationMilliSeconds
 
@@ -49,8 +66,25 @@ type KafkaIngestConfiguration struct {
 	TopicMetadataRefreshInterval pkgkafka.TimeDurationMilliSeconds
 }
 
+func (c KafkaConfiguration) Validate() error {
+
+	if c.Broker == "" {
+		return errors.New("broker is required")
+	}
+
+	if c.StatsInterval > 0 && c.StatsInterval.Duration() < 5*time.Second {
+		return errors.New("StatsInterval must be >=5s")
+	}
+
+	if c.TopicMetadataRefreshInterval > 0 && c.TopicMetadataRefreshInterval.Duration() < 10*time.Second {
+		return errors.New("topic metadata refresh interval must be >=10s")
+	}
+
+	return nil
+}
+
 // CreateKafkaConfig creates a Kafka config map.
-func (c KafkaIngestConfiguration) CreateKafkaConfig() kafka.ConfigMap {
+func (c KafkaConfiguration) CreateKafkaConfig() kafka.ConfigMap {
 	config := kafka.ConfigMap{
 		"bootstrap.servers": c.Broker,
 
@@ -103,27 +137,6 @@ func (c KafkaIngestConfiguration) CreateKafkaConfig() kafka.ConfigMap {
 	return config
 }
 
-// Validate validates the configuration.
-func (c KafkaIngestConfiguration) Validate() error {
-	if c.Broker == "" {
-		return errors.New("broker is required")
-	}
-
-	if c.EventsTopicTemplate == "" {
-		return errors.New("events topic template is required")
-	}
-
-	if c.StatsInterval > 0 && c.StatsInterval.Duration() < 5*time.Second {
-		return errors.New("StatsInterval must be >=5s")
-	}
-
-	if c.TopicMetadataRefreshInterval > 0 && c.TopicMetadataRefreshInterval.Duration() < 10*time.Second {
-		return errors.New("topic metadata refresh interval must be >=10s")
-	}
-
-	return nil
-}
-
 // Configure configures some defaults in the Viper instance.
 func ConfigureIngest(v *viper.Viper) {
 	v.SetDefault("ingest.kafka.broker", "127.0.0.1:29092")

diff --git a/config/ingest_test.go b/config/ingest_test.go
@@ -15,12 +15,12 @@ func TestKafkaIngestConfiguration(t *testing.T) {
 	tests := []struct {
 		Name string
 
-		KafkaConfig            KafkaIngestConfiguration
+		KafkaConfig            KafkaConfiguration
 		ExpectedKafkaConfigMap kafka.ConfigMap
 	}{
 		{
 			Name: "All",
-			KafkaConfig: KafkaIngestConfiguration{
+			KafkaConfig: KafkaConfiguration{
 				Broker:                       "127.0.0.1:29092",
 				SecurityProtocol:             "SASL_SSL",
 				SaslMechanisms:               "PLAIN",
@@ -47,7 +47,7 @@ func TestKafkaIngestConfiguration(t *testing.T) {
 		},
 		{
 			Name: "Basic",
-			KafkaConfig: KafkaIngestConfiguration{
+			KafkaConfig: KafkaConfiguration{
 				Broker: "127.0.0.1:29092",
 			},
 			ExpectedKafkaConfigMap: kafka.ConfigMap{