instana-agent.yaml

---
apiVersion: v1
kind: Namespace
metadata:
  name: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: instana-agent
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
---
apiVersion: v1
kind: Service
metadata:
  name: instana-agent
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
spec:
  selector:
    app.kubernetes.io/name: instana-agent
  ports:
    # Prometheus remote_write, Trace Web SDK and other APIs
    - name: agent-apis
      protocol: TCP
      port: 42699
      targetPort: 42699
    
    # OpenTelemetry original default port
    - name: opentelemetry
      protocol: TCP
      port: 55680
      targetPort: 55680
    # OpenTelemetry as registered and reserved by IANA
    - name: opentelemetry-iana
      protocol: TCP
      port: 4317
      targetPort: 4317
    # OpenTelemetry HTTP port
    - name: opentelemetry-http
      protocol: TCP
      port: 4318
      targetPort: 4318
  internalTrafficPolicy: Local
---
apiVersion: v1
kind: Service
metadata:
  name: instana-agent-headless
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
spec:
  clusterIP: None
  selector:
    app.kubernetes.io/name: instana-agent
  ports:
    # Prometheus remote_write, Trace Web SDK and other APIs
    - name: agent-apis
      protocol: TCP
      port: 42699
      targetPort: 42699
    
    # OpenTelemetry original default port
    - name: opentelemetry
      protocol: TCP
      port: 55680
      targetPort: 55680
    # OpenTelemetry as registered and reserved by IANA
    - name: opentelemetry-iana
      protocol: TCP
      port: 4317
      targetPort: 4317
    # OpenTelemetry HTTP port
    - name: opentelemetry-http
      protocol: TCP
      port: 4318
      targetPort: 4318
---
apiVersion: v1
kind: Secret
metadata:
  name: instana-agent
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
type: Opaque
data:
  key: *agentKey # Replace this with your Instana agent key, encoded in base64
  downloadKey: ''
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: instana-agent
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
data:
  cluster_name: *clusterName
  configuration.yaml: |
  
    # Manual a-priori configuration. Configuration will be only used when the sensor
    # is actually installed by the agent.
    # The commented out example values represent example configuration and are not
    # necessarily defaults. Defaults are usually 'absent' or mentioned separately.
    # Changes are hot reloaded unless otherwise mentioned.
    
    # It is possible to create files called 'configuration-abc.yaml' which are
    # merged with this file in file system order. So 'configuration-cde.yaml' comes
    # after 'configuration-abc.yaml'. Only nested structures are merged, values are
    # overwritten by subsequent configurations.
    
    # Secrets
    # To filter sensitive data from collection by the agent, all sensors respect
    # the following secrets configuration. If a key collected by a sensor matches
    # an entry from the list, the value is redacted.
    #com.instana.secrets:
    #  matcher: 'contains-ignore-case' # 'contains-ignore-case', 'contains', 'regex'
    #  list:
    #    - 'key'
    #    - 'password'
    #    - 'secret'
    
    # Host
    #com.instana.plugin.host:
    #  tags:
    #    - 'dev'
    #    - 'app1'
    
    # Hardware & Zone
    #com.instana.plugin.generic.hardware:
    #  enabled: true # disabled by default
    #  availability-zone: 'zone'
    

  
  configuration-opentelemetry.yaml: |
    com.instana.plugin.opentelemetry: 
      grpc:
        enabled: true
      http:
        enabled: true
  
  configuration-disable-kubernetes-sensor.yaml: |
    com.instana.plugin.kubernetes:
      enabled: false
---
# TODO: Combine into single template with agent-daemonset-with-zones.yaml---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: instana-agent
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: instana-agent
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 1
  minReadySeconds: 0
  template:
    metadata:
      labels:
        app.kubernetes.io/name: instana-agent
        app.kubernetes.io/version: 1.2.74
        instana/agent-mode: "APM"
      annotations:
        # To ensure that changes to agent.configuration_yaml or agent.additional_backends trigger a Pod recreation, we keep a SHA here
        # Unfortunately, we cannot use the lookup function to check on the values in the configmap, otherwise we break Helm < 3.2
        instana-configuration-hash: 70c6df6d7c1a99a22ee74d59fa7f300fe6432573
    spec:
      serviceAccountName: instana-agent
      hostNetwork: true
      hostPID: true
      dnsPolicy: ClusterFirstWithHostNet
      containers:
        - name: instana-agent
          image: "icr.io/instana/agent:latest"
          imagePullPolicy: Always
          env:
            - name: INSTANA_AGENT_LEADER_ELECTOR_PORT
              value: "42655"
            - name: INSTANA_ZONE
              value: *zoneName
            - name: INSTANA_KUBERNETES_CLUSTER_NAME
              valueFrom:
                configMapKeyRef:
                  name: instana-agent
                  key: cluster_name
            - name: INSTANA_AGENT_ENDPOINT
              value: *endpointHost
            - name: INSTANA_AGENT_ENDPOINT_PORT
              value: *endpointPort
            - name: INSTANA_AGENT_KEY
              valueFrom:
                secretKeyRef:
                  name: instana-agent
                  key: key
            - name: INSTANA_DOWNLOAD_KEY
              valueFrom:
                secretKeyRef:
                  name: instana-agent
                  key: downloadKey
                  optional: true
            - name: INSTANA_MVN_REPOSITORY_URL
              value: "https://artifact-public.instana.io"
            - name: ENABLE_AGENT_SOCKET
              value: "true"
            - name: INSTANA_AGENT_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
          securityContext:
            privileged: true
          volumeMounts:
            - name: dev
              mountPath: /dev
              mountPropagation: HostToContainer
            - name: run
              mountPath: /run
              mountPropagation: HostToContainer
            - name: var-run
              mountPath: /var/run
              mountPropagation: HostToContainer
            - name: var-run-kubo
              mountPath: /var/vcap/sys/run/docker
              mountPropagation: HostToContainer
            - name: var-run-containerd
              mountPath: /var/vcap/sys/run/containerd
              mountPropagation: HostToContainer
            - name: var-containerd-config
              mountPath: /var/vcap/jobs/containerd/config
              mountPropagation: HostToContainer
            - name: sys
              mountPath: /sys
              mountPropagation: HostToContainer
            - name: var-log
              mountPath: /var/log
              mountPropagation: HostToContainer
            - name: var-lib
              mountPath: /var/lib
              mountPropagation: HostToContainer
            - name: var-data
              mountPath: /var/data
              mountPropagation: HostToContainer
            - name: machine-id
              mountPath: /etc/machine-id
            - name: configuration
              subPath: configuration.yaml
              mountPath: /root/configuration.yaml
            
            - name: configuration # TODO: These shouldn't have the same name
              subPath: configuration-disable-kubernetes-sensor.yaml
              mountPath: /opt/instana/agent/etc/instana/configuration-disable-kubernetes-sensor.yaml
            - name: configuration
              subPath: configuration-opentelemetry.yaml
              mountPath: /opt/instana/agent/etc/instana/configuration-opentelemetry.yaml
          livenessProbe:
            httpGet:
              host: 127.0.0.1 # localhost because Pod has hostNetwork=true
              path: /status
              port: 42699
            initialDelaySeconds: 600 # startupProbe isnt available before K8s 1.16
            timeoutSeconds: 5
            periodSeconds: 10
            failureThreshold: 3
          resources:
            requests:
              memory: "768Mi"
              cpu: 0.5
            limits:
              memory: "768Mi"
              cpu: 1.5
          ports:
            - containerPort: 42699
      volumes:
        - name: dev
          hostPath:
            path: /dev
        - name: run
          hostPath:
            path: /run
        - name: var-run
          hostPath:
            path: /var/run
        # Systems based on the kubo BOSH release (that is, VMware TKGI and older PKS) do not keep the Docker
        # socket in /var/run/docker.sock , but rather in /var/vcap/sys/run/docker/docker.sock .
        # The Agent images will check if there is a Docker socket here and, if so, adjust the symlinking before
        # starting the Agent. See https://github.com/cloudfoundry-incubator/kubo-release/issues/329
        - name: var-run-kubo
          hostPath:
            path: /var/vcap/sys/run/docker
            type: DirectoryOrCreate
        - name: var-run-containerd
          hostPath:
            path: /var/vcap/sys/run/containerd
            type: DirectoryOrCreate
        - name: var-containerd-config
          hostPath:
            path: /var/vcap/jobs/containerd/config
            type: DirectoryOrCreate
        - name: sys
          hostPath:
            path: /sys
        - name: var-log
          hostPath:
            path: /var/log
        - name: var-lib
          hostPath:
            path: /var/lib
        - name: var-data
          hostPath:
            path: /var/data
            type: DirectoryOrCreate
        - name: machine-id
          hostPath:
            path: /etc/machine-id
        - name: configuration
          configMap:
            name: instana-agent
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
rules:
- nonResourceURLs:
    - "/version"
    - "/healthz"
    - "/metrics"
    - "/stats/summary"
    - "/metrics/cadvisor"
  verbs: ["get"]
- apiGroups: [""]
  resources:
    - "nodes"
    - "nodes/stats"
    - "nodes/metrics"
    - "pods"
  verbs: ["get", "list", "watch"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
subjects:
- kind: ServiceAccount
  name: instana-agent
  namespace: instana-agent
roleRef:
  kind: ClusterRole
  name: instana-agent
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: k8sensor
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
data:
  backend: ${agentEndpoint}:${agentEndpointPort}
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: k8sensor
  namespace: instana-agent
  labels:
    app: k8sensor
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
spec:
  replicas: 3
  selector:
    matchLabels:
      app: k8sensor
      app.kubernetes.io/name: instana-agent-k8s-sensor
  template:
    metadata:
      labels:
        
        app: k8sensor
        app.kubernetes.io/name: instana-agent-k8s-sensor
        app.kubernetes.io/version: 1.2.74
        instana/agent-mode: KUBERNETES
      annotations:
        # To ensure that changes to agent.configuration_yaml or agent.additional_backends trigger a Pod recreation, we keep a SHA here
        # Unfortunately, we cannot use the lookup function to check on the values in the configmap, otherwise we break Helm < 3.2
        instana-configuration-hash: da39a3ee5e6b4b0d3255bfef95601890afd80709
    spec:
      serviceAccountName: k8sensor
      containers:
        - name: instana-agent
          image: "icr.io/instana/k8sensor:latest"
          imagePullPolicy: Always
          env:
            - name: AGENT_KEY
              valueFrom:
                secretKeyRef:
                  name: instana-agent
                  key: key
            - name: BACKEND
              valueFrom:
                configMapKeyRef:
                  name: k8sensor
                  key: backend
            - name: BACKEND_URL
              value: "https://$(BACKEND)"
            - name: AGENT_ZONE
              value: ${clusterName}
            - name: POD_UID
              valueFrom:
                fieldRef:
                  fieldPath: metadata.uid
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
            - name: CONFIG_PATH
              value: /root
            

          volumeMounts:
            - name: configuration
              subPath: configuration.yaml
              mountPath: /root/configuration.yaml
          resources:
            requests:
              memory: "128Mi"
              cpu: 120m
            limits:
              memory: "2048Mi"
              cpu: 500m
          ports:
            - containerPort: 42699
      volumes:
        - name: configuration
          configMap:
            name: instana-agent
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchExpressions:
                - key: instana/agent-mode
                  operator: In
                  values:
                  - KUBERNETES
              topologyKey: kubernetes.io/hostname
            weight: 100
  minReadySeconds: 0
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: k8sensor
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
rules:
  -
    nonResourceURLs:
      - /version
      - /healthz
    verbs:
      - get
  -
    apiGroups:
      - extensions
    resources:
      - deployments
      - replicasets
      - ingresses
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - ""
    resources:
      - configmaps
      - events
      - services
      - endpoints
      - namespaces
      - nodes
      - pods
      - replicationcontrollers
      - resourcequotas
      - persistentvolumes
      - persistentvolumeclaims
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - apps
    resources:
      - daemonsets
      - deployments
      - replicasets
      - statefulsets
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - batch
    resources:
      - cronjobs
      - jobs
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - networking.k8s.io
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - ""
    resources:
      - pods/log
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - autoscaling
    resources:
      - horizontalpodautoscalers
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - apps.openshift.io
    resources:
      - deploymentconfigs
    verbs:
      - get
      - list
      - watch
  -
    apiGroups:
      - security.openshift.io
    resourceNames:
      - privileged
    resources:
      - securitycontextconstraints
    verbs:
      - use
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: k8sensor
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74
roleRef:
  kind: ClusterRole
  name: k8sensor
  apiGroup: rbac.authorization.k8s.io
subjects:
  - kind: ServiceAccount
    name: k8sensor
    namespace: instana-agent
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: k8sensor
  namespace: instana-agent
  labels:
    app.kubernetes.io/name: instana-agent
    app.kubernetes.io/version: 1.2.74