okd/roles/openshift_logging_fluentd/templates/fluentd.j2

apiVersion: extensions/v1beta1
kind: "DaemonSet"
metadata:
  name: "{{ daemonset_name }}"
  labels:
    provider: openshift
    component: "{{ daemonset_component }}"
    logging-infra: "{{ daemonset_component }}"
spec:
  selector:
    matchLabels:
      provider: openshift
      component: "{{ daemonset_component }}"
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      minReadySeconds: 600
  template:
    metadata:
      name: "{{ daemonset_container_name }}"
      labels:
        logging-infra: "{{ daemonset_component }}"
        provider: openshift
        component: "{{ daemonset_component }}"
    spec:
      serviceAccountName: "{{ daemonset_serviceAccount }}"
      nodeSelector:
        {{ fluentd_nodeselector_key }}: "{{ fluentd_nodeselector_value }}"
      containers:
      - name: "{{ daemonset_container_name }}"
        image: "{{ openshift_logging_fluentd_image_prefix }}{{ daemonset_name }}:{{ openshift_logging_fluentd_image_version }}"
        imagePullPolicy: Always
        securityContext:
          privileged: true
        resources:
          limits:
            cpu: {{ openshift_logging_fluentd_cpu_limit }}
            memory: {{ openshift_logging_fluentd_memory_limit }}
          requests:
            memory: {{ openshift_logging_fluentd_memory_limit }}
        volumeMounts:
        - name: runlogjournal
          mountPath: /run/log/journal
        - name: varlog
          mountPath: /var/log
        - name: varlibdockercontainers
          mountPath: /var/lib/docker/containers
          readOnly: true
        - name: config
          mountPath: /etc/fluent/configs.d/user
          readOnly: true
        - name: certs
          mountPath: /etc/fluent/keys
          readOnly: true
        - name: dockerhostname
          mountPath: /etc/docker-hostname
          readOnly: true
        - name: localtime
          mountPath: /etc/localtime
          readOnly: true
        - name: dockercfg
          mountPath: /etc/sysconfig/docker
          readOnly: true
        - name: dockerdaemoncfg
          mountPath: /etc/docker
          readOnly: true
        - name: filebufferstorage
          mountPath: /var/lib/fluentd
{% if openshift_logging_mux_client_mode is defined %}
        - name: muxcerts
          mountPath: /etc/fluent/muxkeys
          readOnly: true
{% endif %}
        env:
        - name: "K8S_HOST_URL"
          value: "{{ openshift_logging_fluentd_master_url }}"
        - name: "ES_HOST"
          value: "{{ app_host }}"
        - name: "ES_PORT"
          value: "{{ app_port }}"
        - name: "ES_CLIENT_CERT"
          value: "{{ openshift_logging_fluentd_app_client_cert }}"
        - name: "ES_CLIENT_KEY"
          value: "{{ openshift_logging_fluentd_app_client_key }}"
        - name: "ES_CA"
          value: "{{ openshift_logging_fluentd_app_ca }}"
        - name: "OPS_HOST"
          value: "{{ ops_host }}"
        - name: "OPS_PORT"
          value: "{{ ops_port }}"
        - name: "OPS_CLIENT_CERT"
          value: "{{ openshift_logging_fluentd_ops_client_cert }}"
        - name: "OPS_CLIENT_KEY"
          value: "{{ openshift_logging_fluentd_ops_client_key }}"
        - name: "OPS_CA"
          value: "{{ openshift_logging_fluentd_ops_ca }}"
        - name: "JOURNAL_SOURCE"
          value: "{{ openshift_logging_fluentd_journal_source | default('') }}"
        - name: "JOURNAL_READ_FROM_HEAD"
          value: "{{ openshift_logging_fluentd_journal_read_from_head | lower }}"
        - name: "BUFFER_QUEUE_LIMIT"
          value: "{{ openshift_logging_fluentd_buffer_queue_limit }}"
        - name: "BUFFER_SIZE_LIMIT"
          value: "{{ openshift_logging_fluentd_buffer_size_limit }}"
        - name: "FLUENTD_CPU_LIMIT"
          valueFrom:
            resourceFieldRef:
              containerName: "{{ daemonset_container_name }}"
              resource: limits.cpu
        - name: "FLUENTD_MEMORY_LIMIT"
          valueFrom:
            resourceFieldRef:
              containerName: "{{ daemonset_container_name }}"
              resource: limits.memory
        - name: "FILE_BUFFER_LIMIT"
          value: "{{ openshift_logging_fluentd_file_buffer_limit | default('1Gi') }}"
{% if openshift_logging_mux_client_mode is defined %}
        - name: "MUX_CLIENT_MODE"
          value: "{{ openshift_logging_mux_client_mode }}"
{% endif %}
      volumes:
      - name: runlogjournal
        hostPath:
          path: /run/log/journal
      - name: varlog
        hostPath:
          path: /var/log
      - name: varlibdockercontainers
        hostPath:
          path: /var/lib/docker/containers
      - name: config
        configMap:
          name: logging-fluentd
      - name: certs
        secret:
          secretName: logging-fluentd
      - name: dockerhostname
        hostPath:
          path: /etc/hostname
      - name: localtime
        hostPath:
          path: /etc/localtime
      - name: dockercfg
        hostPath:
          path: /etc/sysconfig/docker
      - name: dockerdaemoncfg
        hostPath:
          path: /etc/docker
{% if openshift_logging_mux_client_mode is defined %}
      - name: muxcerts
        secret:
          secretName: logging-mux
{% endif %}
      - name: filebufferstorage
        hostPath:
          path: "/var/lib/fluentd"