apiVersion: apps/v1 kind: DaemonSet metadata: name: fluentd-elasticsearch namespace: kube-system labels: k8s-app: fluentd-logging spec: selector: matchLabels: name: fluentd-elasticsearch updateStrategy: type: RollingUpdate rollingUpdate: maxUnavailable: 1 template: metadata: labels: name: fluentd-elasticsearch spec: tolerations: # 이 톨러레이션(toleration)은 데몬셋이 컨트롤 플레인 노드에서 실행될 수 있도록 만든다. # 컨트롤 플레인 노드가 이 파드를 실행해서는 안 되는 경우, 이 톨러레이션을 제거한다. - key: node-role.kubernetes.io/control-plane operator: Exists effect: NoSchedule - key: node-role.kubernetes.io/master operator: Exists effect: NoSchedule containers: - name: fluentd-elasticsearch image: quay.io/fluentd_elasticsearch/fluentd:v2.5.2 resources: limits: memory: 200Mi requests: cpu: 100m memory: 200Mi volumeMounts: - name: varlog mountPath: /var/log - name: varlibdockercontainers mountPath: /var/lib/docker/containers readOnly: true terminationGracePeriodSeconds: 30 volumes: - name: varlog hostPath: path: /var/log - name: varlibdockercontainers hostPath: path: /var/lib/docker/containers