Fix linting and add comment

Author: carrieedwards

cmd/otelcontribcol/go.mod

@@ -4,7 +4,7 @@ module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/otelcontrib
 
 go 1.21.0
 
-toolchain go1.22.5
+toolchain go1.21.12
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/confmap/provider/s3provider v0.106.1

cmd/oteltestbedcol/go.mod

@@ -4,7 +4,7 @@ module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/oteltestbed
 
 go 1.21.0
 
-toolchain go1.22.5
+toolchain go1.21.12
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/exporter/carbonexporter v0.106.1

receiver/datadogreceiver/internal/translator/batcher_test.go

@@ -64,8 +64,8 @@ func TestMetricBatcher(t *testing.T) {
 				require.Equal(t, 1, resource1.ScopeMetrics().At(0).Metrics().Len())
 				require.Equal(t, 1, resource2.ScopeMetrics().At(0).Metrics().Len())
 
-				require.Equal(t, "TestCount1", resource1.ScopeMetrics().At(0).Metrics().At(0).Name())
-				require.Equal(t, "TestCount1", resource2.ScopeMetrics().At(0).Metrics().At(0).Name())
+				requireSum(t, resource1.ScopeMetrics().At(0).Metrics().At(0), "TestCount1", 1)
+				requireSum(t, resource2.ScopeMetrics().At(0).Metrics().At(0), "TestCount1", 1)
 			},
 		},
 		{
@@ -110,6 +110,8 @@ func TestMetricBatcher(t *testing.T) {
 
 				require.Equal(t, "TestCount1", resource.ScopeMetrics().At(0).Metrics().At(0).Name())
 				require.Equal(t, "TestCount2", resource.ScopeMetrics().At(0).Metrics().At(1).Name())
+				requireSum(t, resource.ScopeMetrics().At(0).Metrics().At(0), "TestCount1", 1)
+				requireSum(t, resource.ScopeMetrics().At(0).Metrics().At(1), "TestCount2", 1)
 			},
 		},
 		{
@@ -162,8 +164,8 @@ func TestMetricBatcher(t *testing.T) {
 				require.Equal(t, 1, resource1.ScopeMetrics().At(0).Metrics().Len())
 				require.Equal(t, 1, resource2.ScopeMetrics().At(0).Metrics().Len())
 
-				require.Equal(t, "TestCount1", resource1.ScopeMetrics().At(0).Metrics().At(0).Name())
-				require.Equal(t, "TestCount1", resource2.ScopeMetrics().At(0).Metrics().At(0).Name())
+				requireSum(t, resource1.ScopeMetrics().At(0).Metrics().At(0), "TestCount1", 1)
+				requireSum(t, resource2.ScopeMetrics().At(0).Metrics().At(0), "TestCount1", 1)
 			},
 		},
 		{
@@ -210,8 +212,8 @@ func TestMetricBatcher(t *testing.T) {
 				require.Equal(t, "TestMetric", resource.ScopeMetrics().At(0).Metrics().At(0).Name())
 				require.Equal(t, "TestMetric", resource.ScopeMetrics().At(0).Metrics().At(1).Name())
 
-				require.Equal(t, pmetric.MetricTypeSum, resource.ScopeMetrics().At(0).Metrics().At(0).Type())
-				require.Equal(t, pmetric.MetricTypeGauge, resource.ScopeMetrics().At(0).Metrics().At(1).Type())
+				requireSum(t, resource.ScopeMetrics().At(0).Metrics().At(0), "TestMetric", 1)
+				requireGauge(t, resource.ScopeMetrics().At(0).Metrics().At(1), "TestMetric", 1)
 			},
 		},
 		{
@@ -255,10 +257,7 @@ func TestMetricBatcher(t *testing.T) {
 
 				require.Equal(t, 1, resource.ScopeMetrics().Len())
 
-				require.Equal(t, "TestMetric", resource.ScopeMetrics().At(0).Metrics().At(0).Name())
-
-				require.Equal(t, pmetric.MetricTypeSum, resource.ScopeMetrics().At(0).Metrics().At(0).Type())
-				require.Equal(t, 2, resource.ScopeMetrics().At(0).Metrics().At(0).Sum().DataPoints().Len())
+				requireSum(t, resource.ScopeMetrics().At(0).Metrics().At(0), "TestMetric", 2)
 			},
 		},
 	}

receiver/datadogreceiver/internal/translator/series.go

@@ -120,7 +120,7 @@ func (mt *MetricsTranslator) TranslateSeriesV2(series []*gogen.MetricPayload_Met
 		dimensions := parseSeriesProperties(serie.Metric, strings.ToLower(serie.Type.String()), serie.Tags, resourceMap["host"], mt.buildInfo.Version, mt.stringPool)
 		for k, v := range resourceMap {
 			if k == "host" {
-				continue
+				continue // Host has already been added as a resource attribute in parseSeriesProperties(), so avoid duplicating that attribute
 			}
 			dimensions.resourceAttrs.PutStr(k, v)
 		}

receiver/datadogreceiver/internal/translator/tags.go

@@ -117,7 +117,6 @@ func (s *StringPool) Intern(str string) string {
 }
 
 type attributes struct {
-	host     string
 	resource pcommon.Map
 	scope    pcommon.Map
 	dp       pcommon.Map

receiver/datadogreceiver/receiver_test.go

@@ -8,12 +8,13 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/DataDog/agent-payload/v5/gogen"
 	"io"
 	"net/http"
 	"strings"
 	"testing"
 
+	"github.com/DataDog/agent-payload/v5/gogen"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/collector/component/componenttest"