---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: elastic-tcs-0
spec:
  storageClassName: elastic-tcs
  capacity:
    storage: 30Gi
  accessModes:
    - ReadWriteOnce
  local:
    path: /data/elastic-tcs/es_data
  claimRef:
    kind: PersistentVolumeClaim
    namespace: tcs
    name: elastic-tcs-elastic-0
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: kubernetes.io/hostname
          operator: In
          values:
          - bfs-k8snode-10-2-1-14.hetzner.base.drillinsight.com

--- 
apiVersion: v1
kind: PersistentVolume
metadata:
  name: elastic-tcs-1
spec:
  storageClassName: elastic-tcs
  capacity:
    storage: 30Gi
  accessModes:
    - ReadWriteOnce
  local:
    path: /data/elastic-tcs/es_data
  claimRef:
    kind: PersistentVolumeClaim
    namespace: tcs
    name: elastic-tcs-elastic-1
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: kubernetes.io/hostname
          operator: In
          values:
          - bfs-k8snode-10-2-1-15.hetzner.base.drillinsight.com

---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: elastic-tcs-2
spec:
  storageClassName: elastic-tcs
  capacity:
    storage: 30Gi
  accessModes:
    - ReadWriteOnce
  local:
    path: /data/elastic-tcs/es_data
  claimRef:
    kind: PersistentVolumeClaim
    namespace: tcs
    name: elastic-tcs-elastic-2
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: kubernetes.io/hostname
          operator: In
          values:
          - bfs-k8snode-10-2-1-16.hetzner.base.drillinsight.com

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: elastic
spec:
  serviceName: elastic
  replicas: 3
  selector:
    matchLabels:
      app: elastic
  template:
    metadata:
      labels:
        app: elastic
    spec:
      securityContext:
        fsGroup: 100
      nodeSelector:
        app.kubernetes.io/name: tcs
      initContainers:
        - name: init
          image: busybox
          imagePullPolicy: IfNotPresent
          command: ["/bin/sh", "-c", "sysctl -w vm.max_map_count=262144;chown -R 1000:1000 /usr/share/elasticsearch/data"]
          securityContext:
            privileged: true
          volumeMounts:
          - name: elastic-tcs
            mountPath: /usr/share/elasticsearch/data
      containers:
        - name: elasticsearch
          image: docker.elastic.co/elasticsearch/elasticsearch:7.16.3
          imagePullPolicy: IfNotPresent
          ports:
          - containerPort: 9200
            name: restful
          - containerPort: 9300
            name: transport
          env:
            - name: cluster.name
              value: bfs-elastic-tcs-1
            - name: network.host
              value: 0.0.0.0
            - name: node.name
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: discovery.seed_hosts
              value: "elastic-0.elastic,elastic-1.elastic,elastic-2.elastic"
            - name: cluster.initial_master_nodes
              value: "elastic-0,elastic-1,elastic-2"
            - name: xpack.security.enabled
              value: "false"
            - name: xpack.monitoring.collection.enabled
              value: "false"
            - name: ES_JAVA_OPTS
              value: "-Xms2048m -Xmx2048m"
            - name: ELASTIC_PASSWORD
              value: "changeme"
          resources:
            limits:
              cpu: 2
              memory: 8Gi 
            requests:
              cpu: 100m
              memory: 512Mi
          volumeMounts:
          - name: elastic-tcs
            mountPath: /usr/share/elasticsearch/data
  volumeClaimTemplates:
  - metadata:
      name: elastic-tcs
    spec:
      accessModes: ['ReadWriteOnce']
      storageClassName: "elastic-tcs"
      resources:
        requests:
          storage: 30Gi

--- 
apiVersion: v1
kind: Service
metadata:
  name: elastic-internel
  labels:
    app: elastic
spec:
  ports:
  - name: restful
    port: 9200
    targetPort: 9200
  type: ClusterIP
  selector:
    app: elastic

---
apiVersion: v1
kind: Service
metadata:
  name: elastic
  labels:
    app: elastic
spec:
  ports:
  - name: restful
    port: 9200
  - name: transport
    port: 9300
  clusterIP: None
  selector:
    app: elastic