filebeat-kubernetes.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: filebeat-config
  namespace: kube-system
  labels:
    k8s-app: filebeat
data:
  filebeat.yml: |-
    # To enable hints based autodiscover, remove `filebeat.inputs` configuration and uncomment this:
    filebeat.autodiscover:
     providers:
       - type: kubernetes
         host: ${NODE_NAME}
         hints.enabled: true
         hints.default_config.enabled: true
         hints.default_config:
           type: container
           paths:
           - /var/log/containers/*${data.kubernetes.container.id}.log

    processors:
      - add_cloud_metadata:
          providers:
            - qcloud
      - add_host_metadata:
          netinfo.enabled: false
      - copy_fields:
          fields:
            - {from: "kubernetes.labels.app", to: "container.service"}
            - {from: "kubernetes.labels.project", to: "container.service"}
          ignore_missing: true
          fail_on_error: false
      - convert:
          fields:
            - {from: "kubernetes.container.name", to: "container.name", type: "string"}
          ignore_missing: true
          fail_on_error: false
      - drop_fields:
          fields:
            - kubernetes.node
            - kubernetes.container

    cloud.id: ${ELASTIC_CLOUD_ID}
    cloud.auth: ${ELASTIC_CLOUD_AUTH}

    setup:
      template:
        name: "clogs"
        type: "index"
        pattern: "clogs-*"
        settings:
          index.number_of_shards: 1
          index.number_of_replicas: 1
      ilm:
        enabled: auto
        rollover_alias: "clogs"
        pattern: "{now/d}"
        policy_name: "clogs"

    output.elasticsearch:
      hosts: ['${ELASTICSEARCH_HOST:elasticsearch}:${ELASTICSEARCH_PORT:9200}']
      username: ${ELASTICSEARCH_USERNAME}
      password: ${ELASTICSEARCH_PASSWORD}
      indices:
        - index: "clogs-%{[container.service]}-%{+yyyy.MM.dd}"
          when.has_fields: ['container.service']
        - index: "clogs-%{+yyyy.MM.dd}"

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: filebeat
  namespace: kube-system
  labels:
    k8s-app: filebeat
spec:
  selector:
    matchLabels:
      k8s-app: filebeat
  template:
    metadata:
      labels:
        k8s-app: filebeat
    spec:
      serviceAccountName: filebeat
      terminationGracePeriodSeconds: 30
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      containers:
      - name: filebeat
        image: docker.elastic.co/beats/filebeat:7.11.2
        args: [
          "-c", "/etc/filebeat.yml",
          "-e",
        ]
        env:
        - name: ELASTICSEARCH_HOST
          value: 10.1.128.86
        - name: ELASTICSEARCH_PORT
          value: "9200"
        - name: ELASTICSEARCH_USERNAME
          value: logger
        - name: ELASTICSEARCH_PASSWORD
          value: Ah!7T0I*jw%^
        - name: ELASTIC_CLOUD_ID
          value:
        - name: ELASTIC_CLOUD_AUTH
          value:
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        securityContext:
          runAsUser: 0
          # If using Red Hat OpenShift uncomment this:
          #privileged: true
        resources:
          limits:
            memory: 200Mi
          requests:
            cpu: 100m
            memory: 100Mi
        volumeMounts:
        - name: config
          mountPath: /etc/filebeat.yml
          readOnly: true
          subPath: filebeat.yml
        - name: data
          mountPath: /usr/share/filebeat/data
        - name: varlibdockercontainers
          mountPath: /var/lib/docker/containers
          readOnly: true
        - name: varlog
          mountPath: /var/log
          readOnly: true
      volumes:
      - name: config
        configMap:
          defaultMode: 0640
          name: filebeat-config
      - name: varlibdockercontainers
        hostPath:
          path: /var/lib/docker/containers
      - name: varlog
        hostPath:
          path: /var/log
      # data folder stores a registry of read status for all files, so we don't send everything again on a Filebeat pod restart
      - name: data
        hostPath:
          # When filebeat runs as non-root user, this directory needs to be writable by group (g+w).
          path: /var/lib/filebeat-data
          type: DirectoryOrCreate
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: filebeat
subjects:
- kind: ServiceAccount
  name: filebeat
  namespace: kube-system
roleRef:
  kind: ClusterRole
  name: filebeat
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: filebeat
  labels:
    k8s-app: filebeat
rules:
- apiGroups: [""] # "" indicates the core API group
  resources:
  - namespaces
  - pods
  - nodes
  verbs:
  - get
  - watch
  - list
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: filebeat
  namespace: kube-system
  labels:
    k8s-app: filebeat
---