Fix some lint errors

(cherry picked from commit bd23b8d)

Author: swiatekm

cmd/operator-opamp-bridge/metrics/reporter.go

@@ -107,7 +107,7 @@ func NewMetricReporter(logger logr.Logger, dest *protobufs.TelemetryConnectionSe
 
 	reporter.meter = provider.Meter("opamp")
 
-	reporter.process, err = process.NewProcess(int32(os.Getpid()))
+	reporter.process, err = process.NewProcess(int32(os.Getpid())) //nolint: gosec // this is guaranteed to not overflow
 	if err != nil {
 		return nil, fmt.Errorf("cannot query own process: %w", err)
 	}

cmd/operator-opamp-bridge/operator/client.go

@@ -117,7 +117,7 @@ func (c Client) Apply(name string, namespace string, configmap *protobufs.AgentC
 }
 
 func (c Client) validateComponents(collectorConfig *v1beta1.Config) error {
-	if c.componentsAllowed == nil || len(c.componentsAllowed) == 0 {
+	if len(c.componentsAllowed) == 0 {
 		return nil
 	}
 

internal/components/component.go

@@ -89,7 +89,7 @@ func PortFromEndpoint(endpoint string) (int32, error) {
 		return UnsetPort, PortNotFoundErr
 	}
 
-	return int32(port), err
+	return int32(port), err //nolint: gosec // disable G115, this is guaranteed to not overflow due to the bitSize in the ParseInt call
 }
 
 type ParserRetriever func(string) Parser

internal/components/exporters/helpers_test.go

@@ -54,7 +54,7 @@ func TestExporterComponentParsers(t *testing.T) {
 	for _, tt := range []struct {
 		exporterName string
 		parserName   string
-		defaultPort  int
+		defaultPort  int32
 	}{
 		{"prometheus", "__prometheus", 8888},
 	} {
@@ -88,7 +88,7 @@ func TestExporterComponentParsers(t *testing.T) {
 				assert.NoError(t, err)
 				assert.Len(t, ports, 1)
 				assert.EqualValues(t, tt.defaultPort, ports[0].Port)
-				assert.Equal(t, naming.PortName(tt.exporterName, int32(tt.defaultPort)), ports[0].Name)
+				assert.Equal(t, naming.PortName(tt.exporterName, tt.defaultPort), ports[0].Name)
 			})
 
 			t.Run("allows port to be overridden", func(t *testing.T) {
@@ -104,7 +104,7 @@ func TestExporterComponentParsers(t *testing.T) {
 				assert.NoError(t, err)
 				assert.Len(t, ports, 1)
 				assert.EqualValues(t, 65535, ports[0].Port)
-				assert.Equal(t, naming.PortName(tt.exporterName, int32(tt.defaultPort)), ports[0].Name)
+				assert.Equal(t, naming.PortName(tt.exporterName, tt.defaultPort), ports[0].Name)
 			})
 		})
 	}

internal/components/extensions/helpers_test.go

@@ -54,7 +54,7 @@ func TestExtensionsComponentParsers(t *testing.T) {
 	for _, tt := range []struct {
 		exporterName string
 		parserName   string
-		defaultPort  int
+		defaultPort  int32
 	}{
 		{"health_check", "__health_check", 13133},
 	} {
@@ -88,7 +88,7 @@ func TestExtensionsComponentParsers(t *testing.T) {
 				assert.NoError(t, err)
 				assert.Len(t, ports, 1)
 				assert.EqualValues(t, tt.defaultPort, ports[0].Port)
-				assert.Equal(t, naming.PortName(tt.exporterName, int32(tt.defaultPort)), ports[0].Name)
+				assert.Equal(t, naming.PortName(tt.exporterName, tt.defaultPort), ports[0].Name)
 			})
 
 			t.Run("allows port to be overridden", func(t *testing.T) {
@@ -104,7 +104,7 @@ func TestExtensionsComponentParsers(t *testing.T) {
 				assert.NoError(t, err)
 				assert.Len(t, ports, 1)
 				assert.EqualValues(t, 65535, ports[0].Port)
-				assert.Equal(t, naming.PortName(tt.exporterName, int32(tt.defaultPort)), ports[0].Name)
+				assert.Equal(t, naming.PortName(tt.exporterName, tt.defaultPort), ports[0].Name)
 			})
 		})
 	}

internal/components/receivers/single_endpoint_receiver_test.go

@@ -64,7 +64,7 @@ func TestDownstreamParsers(t *testing.T) {
 		desc             string
 		receiverName     string
 		parserName       string
-		defaultPort      int
+		defaultPort      int32
 		listenAddrParser bool
 	}{
 		{"zipkin", "zipkin", "__zipkin", 9411, false},
@@ -118,7 +118,7 @@ func TestDownstreamParsers(t *testing.T) {
 				assert.NoError(t, err)
 				assert.Len(t, ports, 1)
 				assert.EqualValues(t, tt.defaultPort, ports[0].Port)
-				assert.Equal(t, naming.PortName(tt.receiverName, int32(tt.defaultPort)), ports[0].Name)
+				assert.Equal(t, naming.PortName(tt.receiverName, tt.defaultPort), ports[0].Name)
 			})
 
 			t.Run("allows port to be overridden", func(t *testing.T) {
@@ -142,7 +142,7 @@ func TestDownstreamParsers(t *testing.T) {
 				assert.NoError(t, err)
 				assert.Len(t, ports, 1)
 				assert.EqualValues(t, 65535, ports[0].Port)
-				assert.Equal(t, naming.PortName(tt.receiverName, int32(tt.defaultPort)), ports[0].Name)
+				assert.Equal(t, naming.PortName(tt.receiverName, tt.defaultPort), ports[0].Name)
 			})
 
 			t.Run("returns a default config", func(t *testing.T) {