DaemonSet 控制器:概念、原理解读 DaemonSet 控制器能够确保 k8s 集群所有的节点都运行一个相同的 pod 副本,当向k8s 集群中增加 node 节点时,这个 node 节点也会自动创建一个 pod 副本,当 node 节点从集群移除,这些 pod 也会自动删除;删除 Daemonset 也会删除它们创建的 pod 编写DaemonSet 控制器清单文件
apiVersion: apps/v1 kind: DaemonSet metadata: name: fluentd-elasticsearch labels: k8s-app: fluentd-logging spec: selector: matchLabels: name: fluentd-elasticsearch template: metadata: labels: name: fluentd-elasticsearch spec: tolerations: - key: node-role.kubernetes.io/master effect: NoSchedule containers: - name: fluentd-elasticsearch image: lixiaofan0122/fluentd:v2.5.1 resources: limits: memory: 200Mi requests: cpu: 100m memory: 200Mi volumeMounts: - name: varlog mountPath: /var/log - name: varlibdockercontainers mountPath: /var/lib/docker/containers readOnly: true volumes: - name: varlog hostPath: path: /var/log - name: varlibdockercontainers hostPath: path: /var/lib/docker/containers [root@master-1 pods]# kubectl apply -f daemonset-1.yaml daemonset.apps/fluentd-elasticsearch created
标签:fluentd,控制器,name,elasticsearch,Daemonset,var,pod From: https://www.cnblogs.com/rdchenxi/p/17060179.html