---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: fluentd
  namespace: kube-system

---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: fluentd
  namespace: kube-system
rules:
- apiGroups:
  - ""
  resources:
  - pods
  - namespaces
  verbs:
  - get
  - list
  - watch

---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: fluentd
roleRef:
  kind: ClusterRole
  name: fluentd
  apiGroup: rbac.authorization.k8s.io
subjects:
- kind: ServiceAccount
  name: fluentd
  namespace: kube-system
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: fluentd
  namespace: kube-system
  labels:
    k8s-app: fluentd-logging
    version: v1
spec:
  selector:
    matchLabels:
      k8s-app: fluentd-logging
      version: v1
  template:
    metadata:
      labels:
        k8s-app: fluentd-logging
        version: v1
    spec:
      serviceAccount: fluentd
      serviceAccountName: fluentd
      tolerations:
      - key: node-role.kubernetes.io/master
        effect: NoSchedule
      containers:
      - name: fluentd
        image: fluent/fluentd-kubernetes-daemonset:v1-debian-elasticsearch
        env:
          - name:  FLUENT_ELASTICSEARCH_HOST
            value: "es01.home.shoup.io"
          - name:  FLUENT_ELASTICSEARCH_PORT
            value: "9200"
          - name: FLUENT_ELASTICSEARCH_SCHEME
            value: "http"
          # Option to configure elasticsearch plugin with self signed certs
          # ================================================================
          # - name: FLUENT_ELASTICSEARCH_SSL_VERIFY
          #   value: "true"
          # Option to configure elasticsearch plugin with tls
          # ================================================================
          # - name: FLUENT_ELASTICSEARCH_SSL_VERSION
          #   value: "TLSv1_2"
          # X-Pack Authentication
          # =====================
          # - name: FLUENT_ELASTICSEARCH_USER
          #   value: "elastic"
          # - name: FLUENT_ELASTICSEARCH_PASSWORD
          #   value: "changeme"

          # Disable SystemD input
          - name: FLUENTD_SYSTEMD_CONF
            value: "disable"
          # Don't parse own logs
          - name: FLUENT_CONTAINER_TAIL_EXCLUDE_PATH
            value: '["/var/log/containers/fluentd*"]'
        resources:
          limits:
            memory: 200Mi
          requests:
            cpu: 100m
            memory: 200Mi
        volumeMounts:
        - name: varlog
          mountPath: /var/log
        - name: varlogcontainers
          mountPath: /var/log/containers
          readOnly: true
        - name: config-volume
          mountPath: /fluentd/etc
        - name: nextcloud-data
          mountPath: /opt/nextcloud/nextcloud.log
          subPath: data/nextcloud.log
      terminationGracePeriodSeconds: 30
      volumes:
      - name: varlog
        hostPath:
          path: /var/log
      - name: varlogcontainers
        hostPath:
          path: /var/log/containers
      - name: config-volume
        configMap:
          name: fluentd-logging
      - name: nextcloud-data
        hostPath:
          path: /opt/nextcloud/pod
          type: Directory