# Copyright 2017 The Kubernetes Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: v1
kind: ReplicationController
metadata:
  name: fluentd-es
  namespace: kube-system
  labels:
    k8s-app: fluentd-es
    # kubernetes.io/minikube-addons: efk
    addonmanager.kubernetes.io/mode: Reconcile
spec:
  replicas: 1
  template:
    metadata:
      labels:
        k8s-app: fluentd-es
        addonmanager.kubernetes.io/mode: Reconcile
    spec:
      # SOURCE: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
      nodeSelector:
        kubernetes.io/hostname: "k8s-node-2"
      containers:
      - name: fluentd-es
        image: k8s.gcr.io/fluentd-elasticsearch:v2.0.2
        env:
        - name: FLUENTD_ARGS
          value: --no-supervisor -q
        resources:
          limits:
            # memory: 500Mi
            memory: 500Mi
          requests:
            cpu: 100m
            memory: 200Mi
        volumeMounts:
        - name: varlog
          mountPath: /var/log
        - name: varlibdockercontainers
          mountPath: /var/lib/docker/containers
          readOnly: true
        - name: libsystemddir
          mountPath: /host/lib
          readOnly: true
        - name: config-volume
          mountPath: /etc/fluent/config.d
      terminationGracePeriodSeconds: 30
      volumes:
      - name: varlog
        hostPath:
          path: /var/log
      - name: varlibdockercontainers
        hostPath:
          path: /var/lib/docker/containers
      # It is needed to copy systemd library to decompress journals
      - name: libsystemddir
        hostPath:
          path: /usr/lib64
      - name: config-volume
        configMap:
          name: fluentd-es-config
