rapps/fluentd.yaml

#
# ============LICENSE_START=======================================================
#  Copyright (C) 2022 Nordix Foundation.
# ================================================================================
# 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.
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# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================
#
apiVersion: v1
kind: ServiceAccount
metadata:
  name: fluentd
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: fluentd
  namespace: kube-system
rules:
- apiGroups:
  - ""
  resources:
  - pods
  - namespaces
  verbs:
  - get
  - list
  - watch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
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:
      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: "elasticsearch.logging"
          - name:  FLUENT_ELASTICSEARCH_PORT
            value: "9200"
          - name: FLUENT_ELASTICSEARCH_SCHEME
            value: "https"
          - name: FLUENTD_SYSTEMD_CONF
            value: 'disable'
          - name: K8S_NODE_NAME 
            value: 'docker-cluster'
            #- name: FLUENT_CONTAINER_TAIL_PARSER_TYPE  
            #value: /^(?<time>.+) (?<stream>stdout|stderr) [^ ]* (?<log>.*)$/ 
          # 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: "secret"
          # Logz.io Authentication
          # ======================
          - name: LOGZIO_TOKEN
            value: "ThisIsASuperLongToken"
          - name: LOGZIO_LOGTYPE
            value: "kubernetes"
          - name: SSL_CERT_DIR
            value: /home/fluent/ca
          - name: SSL_CERT_FILE 
            value: /home/fluent/ca/ca.crt 
        resources:
          limits:
            memory: 200Mi
          requests:
            cpu: 100m
            memory: 200Mi
        volumeMounts:
        - name: varlog
          mountPath: /var/log
        - name: dockercontainerlogdirectory
          mountPath: /var/lib/docker/containers
          readOnly: true
        - name: fluentd-ca-cert
          mountPath: /home/fluent/ca/ca.crt 
          subPath: ca.crt 
          readOnly: true
      terminationGracePeriodSeconds: 30
      volumes:
      - name: varlog
        hostPath:
          path: /var/log
      - name: dockercontainerlogdirectory
        hostPath:
          path: /var/lib/docker/containers
      - name: fluentd-ca-cert
        hostPath:
          # Ensure the file directory is created.
           path: /var/elasticsearch/config/certs/ca
           type: DirectoryOrCreate