Telegraf Kubernetes Plugin Setup for Windows And Linux

To deploy the Telegraf Kubernetes Plugin Setup for Windows And Linux containers using the YAML file, you have to perform the following actions.

Procedure

• ♦ Deploy the following YAML files on your Kubernetes cluster:
  Telegraf for Linux

  apiVersion: v1
  kind: ServiceAccount
  metadata:
    name: vrops-mp-user
    namespace: kube-system
  ---
  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRoleBinding
  metadata:
    name: vrops-mp-user
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: cluster-admin
  subjects:
    - kind: ServiceAccount
      name: vrops-mp-user
      namespace: kube-system
  ---
  apiVersion: apps/v1 # apps/v1beta2 in Kube 1.8, extensions/v1beta1 in Kube < 1.8
  kind: DaemonSet
  metadata:
    name: vrops-telegraf-k8s
    namespace: kube-system
    labels:
      app: vrops-telegraf-k8s
    annotations:
      seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
  spec:
    selector:
      matchLabels:
        app: vrops-telegraf-k8s
    template:
      metadata:
        labels:
          app: vrops-telegraf-k8s
          version: v1.0
      spec:
        serviceAccountName: vrops-mp-user
        tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
        containers:
        - name: vrops-telegraf-k8s-container
          image: telegraf:1.16.0
          resources:
            requests:
              memory: 250Mi
              cpu: 250m
            limits:
              cpu: 400m
          volumeMounts:
          - name: telegraf-d
            mountPath: /etc/telegraf
          ports:
            - name: http
              containerPort: 9273 #Port exposed
              hostPort : 31196 #Host's port - Port to expose your telegraf DaemonS Set on each node
              protocol: TCP
          env:
          - name: METRIC_SOURCE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          - name: NODE_HOSTNAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          - name: NODE_IP
            valueFrom:
              fieldRef:
                fieldPath: status.hostIP
        automountServiceAccountToken: true
        terminationGracePeriodSeconds: 30
        volumes:
        - name: telegraf-d
          projected:
            sources:
            - configMap:
                name: vrops-telegraf-k8s-config
  ---
  apiVersion: v1
  kind: ConfigMap
  metadata:
    name: vrops-telegraf-k8s-config
    namespace: kube-system
  data:
    telegraf.conf: |
      # Configuration for telegraf agent
      [global_tags]
      namespace = "$NAMESPACE"
      [agent]
      interval = "10s"
      round_interval = true
      metric_batch_size = 1000
      metric_buffer_limit = 10000
      collection_jitter = "0s"
      flush_interval = "10s"
      flush_jitter = "0s"
      precision = ""
      quiet = false
      hostname = ""
      omit_hostname = true
      ##################################################################
      #                            OUTPUT PLUGINS                      #
      ##################################################################
      # Configuration for the Prometheus client to spawn
      [[outputs.prometheus_client]]
      ## Address to listen on
      listen = ":9273"
      ##################################################################
      #                            INPUT PLUGINS                       #
      ##################################################################
      [[inputs.kubernetes]]
       ## URL for the kubelet
      url = "https://$NODE_IP:10250"
      insecure_skip_verify = true

  Telegraf for Windows

  apiVersion: v1
  kind: ServiceAccount
  metadata:
    name: vrops-mp-user
    namespace: kube-system
  ---
  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRoleBinding
  metadata:
    name: vrops-mp-user
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: cluster-admin
  subjects:
    - kind: ServiceAccount
      name: vrops-mp-user
      namespace: kube-system
  ---
  apiVersion: apps/v1 # apps/v1beta2 in Kube 1.8, extensions/v1beta1 in Kube < 1.8
  kind: DaemonSet
  metadata:
    name: vrops-telegraf-k8s-win
    namespace: kube-system
    labels:
      app: vrops-telegraf-k8s-win
    annotations:
      seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
  spec:
    selector:
      matchLabels:
        app: vrops-telegraf-k8s-win
    template:
      metadata:
        labels:
          app: vrops-telegraf-k8s-win
          version: v1.0
      spec:
        serviceAccountName: vrops-mp-user
        containers:
        - name: vrops-telegraf-k8s-container-win
          image: projects.registry.vmware.com/vrops_metric_exporters/telegraf-win@sha256:be76abe7efb53d4af999302af08e014a80651ad06491fabd38f5ed927124bf4a
          resources:
            requests:
              memory: 250Mi
              cpu: 250m
            limits:
              cpu: 400m
          volumeMounts:
          - name: telegraf-d
            mountPath: C:\Program Files\Telegraf\
          ports:
            - name: http
              containerPort: 9273 #Port exposed
              hostPort : 31197 #Host's port - Port to expose your telegraf DaemonSet on each node
              protocol: TCP
          env:
          - name: METRIC_SOURCE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          - name: NODE_HOSTNAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          - name: NODE_IP
            valueFrom:
              fieldRef:
                fieldPath: status.hostIP
        automountServiceAccountToken: true
        terminationGracePeriodSeconds: 30
        volumes:
        - name: telegraf-d
          projected:
            sources:
            - configMap:
                name: vrops-telegraf-k8s-config-win
        nodeSelector:
          kubernetes.io/os: windows
        tolerations:
        - key: "windows"
          operator: "Equal"
          value: "2019"
          effect: "NoSchedule"
  ---
  apiVersion: v1
  kind: ConfigMap
  metadata:
    name: vrops-telegraf-k8s-config-win
    namespace: kube-system
  data:
    telegraf.conf: |
      # Configuration for telegraf agent
      [global_tags]
      namespace = "$NAMESPACE"
      [agent]
      interval = "60s"
      round_interval = true
      metric_batch_size = 1000
      metric_buffer_limit = 10000
      collection_jitter = "0s"
      flush_interval = "10s"
      flush_jitter = "0s"
      precision = ""
      quiet = false
      hostname = ""
      omit_hostname = true
      ##################################################################
      #                            OUTPUT PLUGINS                      #
      ##################################################################
      # Configuration for the Prometheus client to spawn
      [[outputs.prometheus_client]]
      ## Address to listen on
      listen = ":9273"
      ##################################################################
      #                            INPUT PLUGINS                       #
      ##################################################################
      [[inputs.kubernetes]]
       ## URL for the kubelet
      url = "https://$NODE_IP:10250"
      bearer_token = "C:/var/run/secrets/kubernetes.io/serviceaccount/token"
      insecure_skip_verify = true
  ---
  apiVersion: v1
  kind: Service
  metadata:
    name: vrops-telegraf-k8s-win
    namespace: kube-system
    labels:
      app: vrops-telegraf-k8s-win
  spec:
    externalTrafficPolicy: Local
    ports:
      - port: 9273
        targetPort: 9273
        nodePort: 31197
    selector:
      app: vrops-telegraf-k8s-win
    type: NodePort
  ---