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Configure agentgateway to send traces to Datadog.

Datadog is a cloud-based observability platform. You can use the Datadog Agent to forward traces from agentgateway to Datadog.

Before you begin

1. Set up an agentgateway proxy.
2. Install the httpbin sample app.

Install the Datadog Agent

1. Add the Datadog Helm repository.

   helm repo add datadog https://helm.datadoghq.com
   helm repo update

2. Create a Datadog API key secret.

   kubectl create secret generic datadog-secret \
     --from-literal=api-key=<your-datadog-api-key>

3. Install the Datadog Agent with OTLP ingestion enabled.

   helm install datadog-agent datadog/datadog \
     --namespace datadog \
     --create-namespace \
     --set datadog.apiKeyExistingSecret=datadog-secret \
     --set datadog.otlp.receiver.protocols.grpc.enabled=true \
     --set datadog.otlp.receiver.protocols.grpc.endpoint=0.0.0.0:4317

Configure tracing

Create an AgentgatewayPolicy that points the agentgateway proxy at the Datadog Agent.

kubectl apply -f- <<EOF
apiVersion: agentgateway.dev/v1alpha1
kind: AgentgatewayPolicy
metadata:
  name: tracing
  namespace: agentgateway-system
spec:
  targetRefs:
    - kind: Gateway
      name: agentgateway-proxy
      group: gateway.networking.k8s.io
  frontend:
    tracing:
      backendRef:
        name: datadog-agent
        namespace: datadog
        port: 4317
      protocol: GRPC
      randomSampling: "true"
EOF

Cleanup

1. Delete the AgentgatewayPolicy resource.

   kubectl delete AgentgatewayPolicy tracing -n agentgateway-system

2. Uninstall the Datadog Agent.

   helm uninstall datadog-agent -n datadog
   kubectl delete namespace datadog