apiVersion: beat.k8s.elastic.co/v1beta1
kind: Beat
metadata:
  name: metricbeat
spec:
  type: metricbeat
  version: 8.17.0
  elasticsearchRef:
    name: elasticsearch
  kibanaRef:
    name: kibana
  config:
    metricbeat:
      autodiscover:
        providers:
        - type: kubernetes
          scope: cluster
          node: ${NODE_NAME}
          unique: true
          templates:
            - config:
                - module: kubernetes
                  hosts: ["https://kube-state-metrics.openshift-monitoring.svc:8443"]
                  bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
                  ssl.verification_mode: none
                  ssl.certificate_authorities:
                    - /var/run/secrets/kubernetes.io/serviceaccount/service-ca.crt
                  period: 10s
                  timeout: 30s
                  add_metadata: true
                  metricsets:
                    - state_node
                    - state_deployment
                    - state_daemonset
                    - state_replicaset
                    - state_pod
                    - state_container
                    - state_cronjob
                    - state_resourcequota
                    - state_statefulset
                - module: kubernetes
                  metricsets:
                    - apiserver
                  hosts: ["https://${KUBERNETES_SERVICE_HOST}:${KUBERNETES_SERVICE_PORT}"]
                  bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
                  ssl.verification_mode: none
                  period: 30s
        - hints:
            default_config: {}
            enabled: "true"
          node: ${NODE_NAME}
          type: kubernetes
      modules:
      - module: system
        period: 10s
        metricsets:
        - cpu
        - load
        - memory
        - network
        - process
        - process_summary
        process:
          include_top_n:
            by_cpu: 5
            by_memory: 5
        processes:
        - .*
      - module: system
        period: 1m
        metricsets:
        - filesystem
        - fsstat
        processors:
        - drop_event:
            when:
              regexp:
                system:
                  filesystem:
                    mount_point: ^/(sys|cgroup|proc|dev|etc|host|lib)($|/)
      - module: kubernetes
        period: 10s
        node: ${NODE_NAME}
        hosts:
        - https://${NODE_NAME}:10250
        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
        ssl:
          verification_mode: none
        ssl.certificate_authorities:
          - /run/secrets/kubernetes.io/serviceaccount/service-ca.crt
        metricsets:
        - node
        - system
        - pod
        - container
        - volume
    processors:
    - add_cloud_metadata: {}
    - add_host_metadata: {}
  daemonSet:
    podTemplate:
      spec:
        serviceAccountName: metricbeat
        automountServiceAccountToken: true # some older Beat versions are depending on this settings presence in k8s context
        containers:
        - args:
          - -e
          - -c
          - /etc/beat.yml
          - --system.hostfs=/hostfs
          name: metricbeat
          securityContext:
            runAsUser: 0
            privileged: true # This is required to access kubelet API
          volumeMounts:
          - mountPath: /hostfs/sys/fs/cgroup
            name: cgroup
          - mountPath: /var/run/docker.sock
            name: dockersock
          - mountPath: /hostfs/proc
            name: proc
          env:
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          resources:
            limits:
              memory: 2Gi
            requests:
              cpu: 2
              memory: 2Gi
        dnsPolicy: ClusterFirstWithHostNet
        hostNetwork: true # Allows to provide richer host metadata
        terminationGracePeriodSeconds: 30
        volumes:
        - hostPath:
            path: /sys/fs/cgroup
          name: cgroup
        - hostPath:
            path: /var/run/docker.sock
          name: dockersock
        - hostPath:
            path: /proc
          name: proc
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: metricbeat
rules:
- apiGroups:
  - ""
  resources:
  - nodes
  - namespaces
  - events
  - pods
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - "extensions"
  resources:
  - replicasets
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - apps
  resources:
  - statefulsets
  - deployments
  - replicasets
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - ""
  resources:
  - nodes/stats
  - nodes/metrics
  verbs:
  - get
- nonResourceURLs:
  - /metrics
  verbs:
  - get
- apiGroups:
    - coordination.k8s.io
  resources:
    - leases
  verbs:
    - '*'
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: metricbeat
  namespace: default
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: metricbeat
subjects:
- kind: ServiceAccount
  name: metricbeat
  namespace: default
roleRef:
  kind: ClusterRole
  name: metricbeat
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: beat.k8s.elastic.co/v1beta1
kind: Beat
metadata:
  name: filebeat
spec:
  type: filebeat
  version: 8.17.0
  elasticsearchRef:
    name: elasticsearch
  kibanaRef:
    name: kibana
  config:
    filebeat:
      autodiscover:
        providers:
        - type: kubernetes
          node: ${NODE_NAME}
          hints:
            enabled: true
            default_config:
              type: filestream
              id: kubernetes-container-logs-${data.kubernetes.pod.name}-${data.kubernetes.container.id}
              paths:
              - /var/log/containers/*${data.kubernetes.container.id}.log
              parsers:
              - container: ~
              prospector:
                scanner:
                  fingerprint.enabled: true
                  symlinks: true
              file_identity.fingerprint: ~
    processors:
    - add_cloud_metadata: {}
    - add_host_metadata: {}
  daemonSet:
    podTemplate:
      spec:
        serviceAccountName: filebeat
        automountServiceAccountToken: true
        terminationGracePeriodSeconds: 30
        dnsPolicy: ClusterFirstWithHostNet
        hostNetwork: true # Allows to provide richer host metadata
        containers:
        - name: filebeat
          securityContext:
            runAsUser: 0
            privileged: true # This is required to access other containers logs
          volumeMounts:
          - name: varlogcontainers
            mountPath: /var/log/containers
          - name: varlogpods
            mountPath: /var/log/pods
          - name: varlibdockercontainers
            mountPath: /var/lib/docker/containers
          env:
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
        volumes:
        - name: varlogcontainers
          hostPath:
            path: /var/log/containers
        - name: varlogpods
          hostPath:
            path: /var/log/pods
        - name: varlibdockercontainers
          hostPath:
            path: /var/lib/docker/containers
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: filebeat
rules:
- apiGroups: [""] # "" indicates the core API group
  resources:
  - namespaces
  - pods
  - nodes
  verbs:
  - get
  - watch
  - list
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: filebeat
  namespace: default
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: filebeat
subjects:
- kind: ServiceAccount
  name: filebeat
  namespace: default
roleRef:
  kind: ClusterRole
  name: filebeat
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: elasticsearch
spec:
  version: 8.17.0
  nodeSets:
  - name: default
    count: 3
    config:
      node.store.allow_mmap: false
---
apiVersion: kibana.k8s.elastic.co/v1
kind: Kibana
metadata:
  name: kibana
spec:
  version: 8.17.0
  count: 1
  elasticsearchRef:
    name: elasticsearch
...
