graylog-slave.yaml

apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: graylog-slave
spec:
  serviceName: "graylog-slave"
  replicas: 1
  template:
    metadata:
      labels:
        role: graylog-slave
        graylog: "true"
    spec:
      terminationGracePeriodSeconds: 70
      affinity:
          podAntiAffinity:
            requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                - key: role
                  operator: In
                  values:
                  - graylog-master
              topologyKey: kubernetes.io/hostname
      containers:
        - name: graylog-slave
          image: graylog2/server:2.3.0-1
          env:
          - name: GRAYLOG_PASSWORD_SECRET
            value: "xxxxxx"
          - name: GRAYLOG_ROOT_PASSWORD_SHA2
            value: "xxxxxxxxxxxxxxxxxxx"
          - name: GRAYLOG_MONGODB_URI
            value: "mongodb://mongo-mongodb-replicaset-0.mongo-mongodb-replicaset:27017,mongo-mongodb-replicaset-1.mongo-mongodb-replicaset.mongo:27017,mongo-mongodb-replicaset-2.mongo-mongodb-replicaset:27017/graylog?replicaSet=rs0"
          - name: GRAYLOG_IS_MASTER
            value: "false"
          - name: GRAYLOG_ELASTICSEARCH_DISCOVERY_ZEN_PING_UNICAST_HOSTS
            value: "elasticsearch-0.elasticsearch.default.svc.cluster.local:9300, elasticsearch-1.elasticsearch.default.svc.cluster.local:9300, elasticsearch-2.elasticsearch.default.svc.cluster.local:9300"
          - name: GRAYLOG_ELASTICSEARCH_HOSTS
            value: "http://elasticsearch-0.elasticsearch.default.svc.cluster.local:9200, http://elasticsearch-1.elasticsearch.default.svc.cluster.local:9200, http://elasticsearch-2.elasticsearch.default.svc.cluster.local:9200"
          - name: GRAYLOG_WEB_ENDPOINT_URI
            value: "http://domain.com:31300/api"
          - name: GRAYLOG_REST_LISTEN_URI
            value: "http://0.0.0.0:9000/api/"
          - name: GRAYLOG_WEB_LISTEN_URI
            value: "http://0.0.0.0:9000/"
          - name: GRAYLOG_REST_TRANSPORT_URI
            value: "http://graylog-slave.default.svc.cluster.local:9000/api/"
          - name: GRAYLOG_SERVER_JAVA_OPTS
            value: "-Xms1g -Xmx1g -XX:NewRatio=1 -XX:MaxMetaspaceSize=256m -server -XX:+ResizeTLAB -XX:+UseConcMarkSweepGC -XX:+CMSConcurrentMTEnabled -XX:+CMSClassUnloadingEnabled -XX:+UseParNewGC -XX:-OmitStackTraceInFastThrow"
          ports:
          - containerPort: 9000
            name: http
          - containerPort: 12201
            name: udp-input
          - containerPort: 1514
            name: tcp-input
          volumeMounts:
          - name: graylog-persistent-storage
            mountPath: /usr/share/graylog/data/journal
            subPath: graylog
          resources:
            requests:
              cpu: .25
              memory: 1536Mi
            limits:
              cpu: 1.5
              memory: 2048Mi
          readinessProbe:
            httpGet:
              path: /api/system/lbstatus
              port: 9000
            initialDelaySeconds: 30
            periodSeconds: 3
            timeoutSeconds: 3
            successThreshold: 1
            failureThreshold: 2
  volumeClaimTemplates:
  - metadata:
      name: graylog-persistent-storage
      annotations:
        volume.beta.kubernetes.io/storage-class: "fast"
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 10Gi