cluster-agent.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: datadog-cluster-agent
  namespace: default
spec:
  template:
    metadata:
      labels:
        app: datadog-cluster-agent
      name: datadog-agent
    spec:
      serviceAccountName: dca
      containers:
      - image: datadog/cluster-agent:latest
        imagePullPolicy: Always
        name: datadog-cluster-agent
        env:
          - name: DD_API_KEY
            valueFrom:
              secretKeyRef:
                name: datadog-api
                key: token
          # Reference an APP KEY for the External Metrics Provider.
          - name: DD_APP_KEY
            valueFrom:
              secretKeyRef:
                name: datadog-app
                key: token
          - name: DD_COLLECT_KUBERNETES_EVENTS
            value: "true"
          - name: DD_LEADER_ELECTION
            value: "true"
          - name: DD_EXTERNAL_METRICS_PROVIDER_ENABLED
            value: 'true'
          - name: DD_CLUSTER_AGENT_AUTH_TOKEN
            valueFrom:
              secretKeyRef:
                name: datadog-auth-token
                key: token

---
apiVersion: v1
kind: Service
metadata:
  name: datadog-cluster-agent
  labels:
    app: datadog-cluster-agent
spec:
  ports:
  - port: 5005 # Has to be the same as the one exposed in the DCA. Default is 5005.
    protocol: TCP
  selector:
    app: datadog-cluster-agent

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: dca
rules:
- apiGroups:
  - ""
  resources:
  - services
  - events
  - endpoints
  - pods
  - nodes
  - componentstatuses
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - "autoscaling"
  resources:
  - horizontalpodautoscalers
  verbs:
  - list
  - watch
- apiGroups:
  - ""
  resources:
  - configmaps
  resourceNames:
  - datadogtoken             # Kubernetes event collection state
  - datadog-leader-election  # Leader election token
  verbs:
  - get
  - update
- apiGroups:  # To create the leader election token
  - ""
  resources:
  - configmaps
  verbs:
  - create
  - get
  - update
- nonResourceURLs:
  - "/version"
  - "/healthz"
  verbs:
  - get
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: dca
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: dca
subjects:
- kind: ServiceAccount
  name: dca
  namespace: default
---
kind: ServiceAccount
apiVersion: v1
metadata:
  name: dca
  namespace: default
---
kind: Service
apiVersion: v1
metadata:
  name: datadog-custom-metrics-server
spec:
  selector:
    app: datadog-cluster-agent
  ports:
  - protocol: TCP
    port: 443
    targetPort: 443