exporter/datadogexporter: enhance example

exporter/datadogexporter/examples/collector.yaml

@@ -48,6 +48,21 @@ receivers:
   #       static_configs:
   #       - targets: ['0.0.0.0:8888']
 
+  # The Docker Stats receiver will add support for Container Metrics, making the "Containers Overview" dashboard available.
+  # Container Metrics has support in the Datadog Exporter starting v0.78.0.
+  docker_stats:
+    metrics:
+      container.network.io.usage.rx_packets:
+        enabled: true
+      container.network.io.usage.tx_packets:
+        enabled: true
+      container.cpu.usage.system:
+        enabled: true
+      container.memory.rss:
+        enabled: true
+      container.blockio.io_serviced_recursive:
+        enabled: true
+
   # Read more about the filelog receiver here https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/receiver/filelogreceiver.
   filelog:
     include_file_path: true
@@ -82,6 +97,62 @@ processors:
     send_batch_size: 100
     timeout: 10s
 
+  # k8sattributes processor adds the necessary attributes to enable trace/metrics
+  # correlation by means of container tags.
+  k8sattributes:
+    passthrough: false
+    auth_type: "serviceAccount"
+
+    pod_association:
+    - sources:
+      - from: resource_attribute
+        name: k8s.pod.ip
+
+    extract:
+      metadata:
+        - k8s.pod.name
+        - k8s.pod.uid
+        - k8s.deployment.name
+        - k8s.node.name
+        - k8s.namespace.name
+        - k8s.pod.start_time
+        - k8s.replicaset.name
+        - k8s.replicaset.uid
+        - k8s.daemonset.name
+        - k8s.daemonset.uid
+        - k8s.job.name
+        - k8s.job.uid
+        - k8s.cronjob.name
+        - k8s.statefulset.name
+        - k8s.statefulset.uid
+        - container.image.name
+        - container.image.tag
+        - container.id
+        - k8s.container.name
+        - container.image.name
+        - container.image.tag
+        - container.id
+
+      labels:
+      - tag_name: kube_app_name
+        key: app.kubernetes.io/name
+        from: pod
+      - tag_name: kube_app_instance
+        key: app.kubernetes.io/instance
+        from: pod
+      - tag_name: kube_app_version
+        key: app.kubernetes.io/version
+        from: pod
+      - tag_name: kube_app_component
+        key: app.kubernetes.io/component
+        from: pod
+      - tag_name: kube_app_part_of
+        key: app.kubernetes.io/part-of
+        from: pod
+      - tag_name: kube_app_managed_by
+        key: app.kubernetes.io/managed-by
+        from: pod
+
   # The resource detection processor adds context related to the cloud provider the Collector is running on.
   # It is necessary **only** on gateway deployment mode, to correctly identify the host that telemetry data comes from.
   resourcedetection:
@@ -297,21 +368,22 @@ service:
     # Pipelines starting with `metrics` or `metrics/` define a metrics pipeline.
     metrics:
       # This pipeline has an OTLP receiver, a batch processor and a Datadog exporter.
-      receivers: [hostmetrics, otlp]
-      processors: [batch]
+      # It also has additional receivers which generate valuable metrics.
+      receivers: [hostmetrics, docker_stats, otlp]
+      processors: [k8sattributes, batch]
       exporters: [datadog]
     # Pipelines starting with `traces` or `traces/` define a traces pipeline.
     traces:
       # This pipeline has an OTLP receiver, a batch processor and a Datadog exporter.
       receivers: [otlp]
-      processors: [batch]
+      processors: [k8sattributes, batch]
       exporters: [datadog]
 
     # Pipelines starting with `logs` or `logs/` define a logs pipeline.
     logs:
       # This pipeline has an OTLP receiver, filelog receiver, a batch processor and a Datadog exporter.
       receivers: [otlp, filelog]
-      processors: [batch]
+      processors: [k8sattributes, batch]
       exporters: [datadog]
 
       # # To send data to the gateway on gateway deployment mode, define these pipelines instead.

exporter/datadogexporter/examples_test.go

@@ -21,6 +21,7 @@ import (
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/k8sattributesprocessor"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourcedetectionprocessor"
+	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/dockerstatsreceiver"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/filelogreceiver"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/hostmetricsreceiver"
 )
@@ -89,6 +90,7 @@ func newTestComponents(t *testing.T) otelcol.Factories {
 		[]receiver.Factory{
 			otlpreceiver.NewFactory(),
 			hostmetricsreceiver.NewFactory(),
+			dockerstatsreceiver.NewFactory(),
 			filelogreceiver.NewFactory(),
 		}...,
 	)

exporter/datadogexporter/go.mod

@@ -22,6 +22,7 @@ require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/resourcetotelemetry v0.81.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/processor/k8sattributesprocessor v0.81.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourcedetectionprocessor v0.81.0
+	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/dockerstatsreceiver v0.81.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/filelogreceiver v0.81.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/hostmetricsreceiver v0.81.0
 	github.com/stretchr/testify v1.8.4
@@ -91,6 +92,7 @@ require (
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
 	github.com/go-openapi/jsonreference v0.20.1 // indirect
 	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/godbus/dbus/v5 v5.0.6 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
@@ -134,6 +136,7 @@ require (
 	github.com/mostynb/go-grpc-compression v1.2.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/common v0.81.0 // indirect
+	github.com/open-telemetry/opentelemetry-collector-contrib/internal/docker v0.81.0 // indirect
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/filter v0.81.0 // indirect
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza v0.81.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
@@ -258,3 +261,7 @@ replace github.com/outcaste-io/ristretto v0.2.0 => github.com/outcaste-io/ristre
 replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatatest => ../../pkg/pdatatest
 
 replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/k8stest => ../../internal/k8stest
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/receiver/dockerstatsreceiver => ../../receiver/dockerstatsreceiver
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/docker => ../../internal/docker