daemonset.yml

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: filebeat
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: filebeat
rules:
- apiGroups:
  - ""
  resources:
  - namespaces
  - pods
  verbs:
  - get
  - watch
  - list
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: filebeat
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: filebeat
subjects:
- kind: ServiceAccount
  name: filebeat
  namespace: tech-a-tive
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: filebeat-config
data:
  filebeat.yml: |-
    filebeat.fields_under_root: true
    filebeat.fields:
      environment: staging
      cluster: dev-spot
    filebeat.autodiscover:
      providers:
      - type: kubernetes
        hints.enabled: true
    output.logstash:
      hosts: ['logstash.host:5050']
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: filebeat-inputs
data:
  kubernetes.yml: |-
    - type: docker
      containers.ids:
      - "*"
      processors:
        - add_kubernetes_metadata:
            in_cluster: true
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: filebeat
spec:
  selector:
    matchLabels:
      k8s-app: filebeat
  template:
    metadata:
      labels:
        k8s-app: filebeat
    spec:
      containers:
      - args:
        - -c
        - /etc/filebeat.yml
        - -e
        image: docker.elastic.co/beats/filebeat:7.5.0
        imagePullPolicy: IfNotPresent
        name: filebeat
        resources:
          limits:
            memory: 200Mi
          requests:
            cpu: 100m
            memory: 100Mi
        securityContext:
          procMount: Default
          runAsUser: 0
        volumeMounts:
        - mountPath: /etc/filebeat.yml
          name: config
          readOnly: true
          subPath: filebeat.yml
        - mountPath: /usr/share/filebeat/inputs.d
          name: inputs
          readOnly: true
        - mountPath: /usr/share/filebeat/data
          name: data
        - mountPath: /var/lib/docker/containers
          name: varlibdockercontainers
          readOnly: true
      restartPolicy: Always
      securityContext: {}
      serviceAccount: filebeat
      serviceAccountName: filebeat
      volumes:
      - configMap:
          defaultMode: 384
          name: filebeat-config
        name: config
      - configMap:
          defaultMode: 384
          name: filebeat-inputs
        name: inputs
      - hostPath:
          path: /var/lib/docker/containers
          type: ""
        name: varlibdockercontainers
      - hostPath:
          path: /var/lib/filebeat-data
          type: DirectoryOrCreate
        name: data
  updateStrategy:
    type: OnDelete