{{/*
Copyright 2017 The Openstack-Helm Authors.

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.
*/}}

{{- $envAll := . }}
---
apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: elasticsearch-data
spec:
  serviceName: elasticsearch-data
  replicas: {{ .Values.pod.replicas.data }}
  template:
    metadata:
      labels:
{{ tuple $envAll "elasticsearch" "data" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
    spec:
      affinity:
{{ tuple $envAll "elasticsearch" "data" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      serviceAccount: elasticsearch
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.data.timeout | default "600" }}
      initContainers:
      - name: memory-map-increase
        securityContext:
          privileged: true
          runAsUser: 0
        image: {{ .Values.images.memory_init }}
        imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.data | include "helm-toolkit.snippets.kubernetes_resources" | indent 8 }}
        command:
        - sysctl
        - -w
        - vm.max_map_count=262144
      containers:
      - name: elasticsearch-data
        securityContext:
          privileged: true
          capabilities:
            add:
              - IPC_LOCK
              - SYS_RESOURCE
        image: {{ .Values.images.elasticsearch }}
        command:
        - /tmp/elasticsearch.sh
        - start
        lifecycle:
          preStop:
            exec:
              command:
                - /tmp/elasticsearch.sh
                - stop
        env:
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: NODE_MASTER
          value: "false"
        - name: NODE_DATA
          value: "true"
        - name: HTTP_ENABLE
          value: "false"
        - name: ES_JAVA_OPTS
          value: "{{ .Values.conf.elasticsearch.env.java_opts }}"
        - name: DISCOVERY_SERVICE
          value: {{ tuple "logging_db" "discovery" $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
        ports:
        - containerPort: {{ .Values.network.data.port }}
          name: {{ .Values.network.data.name }}
        volumeMounts:
        - name: elastic-bin
          mountPath: /tmp/elasticsearch.sh
          subPath: elasticsearch.sh
          readOnly: true
        - name: elastic-config
          mountPath: /usr/share/elasticsearch/config
        - name: elastic-etc
          mountPath: /usr/share/elasticsearch/config/elasticsearch.yml
          subPath: elasticsearch.yml
          readOnly: true
        - name: elastic-etc
          mountPath: /usr/share/elasticsearch/config/log4j2.properties
          subPath: log4j2.properties
          readOnly: true
        - name: storage
          mountPath: /var/lib/elasticsearch/data
      volumes:
      - name: elastic-bin
        configMap:
          name: elastic-bin
          defaultMode: 0555
      - name: elastic-config
        emptyDir: {}
      - name: elastic-etc
        configMap:
          name: elastic-etc
          defaultMode: 0444
      - name: storage
        persistentVolumeClaim:
          claimName: {{ .Values.pvc.name }}