完成正 filebeat.yaml 部署 k8s 监控, 调整了对索引的配置

filebeat.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: filebeat-config
  namespace: kube-system
  labels:
    k8s-app: filebeat
data:
  filebeat.yml: |-
    filebeat.inputs:
    - type: container
      paths:
        - /var/log/containers/*.log
      processors:
        - add_kubernetes_metadata:
            host: ${NODE_NAME}
            matchers:
            - logs_path:
                logs_path: "/var/log/containers/"

    # To enable hints based autodiscover, remove `filebeat.inputs` configuration and uncomment this:
    #filebeat.autodiscover:
    #  providers:
    #    - type: kubernetes
    #      host: ${NODE_NAME}
    #      hints.enabled: true
    #      hints.default_config:
    #        type: container
    #        paths:
    #          - /var/log/containers/*${data.kubernetes.container.id}.log

    processors:
      - add_cloud_metadata:
      - add_host_metadata:

    logging.level: warning
    logging.metrics.enabled: false

    # 设置 ilm 的 policy life, 日志保留 45 天, 每 7 天一轮训, 最大 30g
    setup.ilm.policy_file: /etc/indice-lifecycle.json

    # 如果是第一次则不需要, 如果 index-template 已经存在需要更新, 则需要
    setup.template.overwrite: false
    setup.template.settings:
      # 根据收集的日志量级, 因为日志会每天一份, 如果一天的日志量小于 30g, 一个 shard 足够
      index.number_of_shards: 1
      # 这个日志并不是那么重要, 并且如果是单节点的话, 直接设置为 0 个副本
      index.number_of_replicas: 0

    output.elasticsearch:
      hosts: ['${ELASTICSEARCH_HOST:elasticsearch}:${ELASTICSEARCH_PORT:9200}']
      protocol: https
      username: "${USER}"
      password: "${PASS}"

      ssl.verification_mode: none
---
apiVersion: v1
kind: ConfigMap
metadata:
  namespace: kube-system
  name: filebeat-indice-lifecycle
  labels:
    k8s-app: filebeat
data:
  indice-lifecycle.json: |-
    {
      "policy": {
        "phases": {
          "hot": {
            "actions": {
              "rollover": {
                "max_size": "30GB" ,
                "max_age": "7d"
              }
            }
          },
          "delete": {
            "min_age": "30d",
            "actions": {
              "delete": {}
            }
          }
        }
      }
    }
---
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:7.4.2
          args: [
            "-c", "/etc/filebeat.yml",
            "-e",
          ]
          env:
            - name: ELASTICSEARCH_HOST
              value: efk.easya.cc
            - name: ELASTICSEARCH_PORT
              value: "9207"
            - name: USER
              value: "elastic"
            - name: PASS
              value: "iQS7zxAM383nWmA4lACo"
            - 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: filebeat-indice-lifecycle
              mountPath: /etc/indice-lifecycle.json
              readOnly: true
              subPath: indice-lifecycle.json
            - 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: 0600
            name: filebeat-config
        - name: filebeat-indice-lifecycle
          configMap:
            defaultMode: 0600
            name: filebeat-indice-lifecycle
        - 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:
            path: /var/lib/filebeat-data
            type: DirectoryOrCreate
---
apiVersion: rbac.authorization.k8s.io/v1beta1
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/v1beta1
kind: ClusterRole
metadata:
  name: filebeat
  labels:
    k8s-app: filebeat
rules:
  - apiGroups: [""] # "" indicates the core API group
    resources:
      - namespaces
      - pods
    verbs:
      - get
      - watch
      - list
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: filebeat
  namespace: kube-system
  labels:
    k8s-app: filebeat
---

增加对 index manager 的处理, metric 最长 30 天, 索引达到 30g 或者 7 天进行索引滚动