{{/*
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.
*/}}

{{- define "readinessProbeTemplate" }}
{{- $probePort := tuple "elasticsearch" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{- $probeUser := .Values.endpoints.elasticsearch.auth.admin.username }}
{{- $probePass := .Values.endpoints.elasticsearch.auth.admin.password }}
{{- $authHeader := printf "%s:%s" $probeUser $probePass | b64enc }}
httpGet:
  path: /_cluster/health
  scheme: {{ tuple "elasticsearch" "internal" "api" . | include "helm-toolkit.endpoints.keystone_endpoint_scheme_lookup" | upper }}
  port: {{ $probePort }}
  httpHeaders:
    - name: Authorization
      value: Basic {{ $authHeader }}
{{- end }}
{{- define "livenessProbeTemplate" }}
{{- $probePort := tuple "elasticsearch" "internal" "discovery" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
tcpSocket:
  port: {{ $probePort }}
{{- end }}

{{- if .Values.manifests.deployment_client }}
{{- $envAll := . }}

{{- $esUserSecret := .Values.secrets.elasticsearch.user }}
{{- $s3UserSecret := .Values.secrets.rgw.elasticsearch }}

{{- $mounts_elasticsearch := .Values.pod.mounts.elasticsearch.elasticsearch }}

{{- $serviceAccountName := printf "%s-%s" .Release.Name "elasticsearch-client" }}
{{ tuple $envAll "elasticsearch_client" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: elasticsearch-client
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "elasticsearch" "client" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  replicas: {{ .Values.pod.replicas.client }}
  selector:
    matchLabels:
{{ tuple $envAll "elasticsearch" "client" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "elasticsearch" "client" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-bin-hash: {{ tuple "configmap-bin-elasticsearch.yaml" . | include "helm-toolkit.utils.hash" }}
        configmap-etc-hash: {{ tuple "configmap-etc-elasticsearch.yaml" . | include "helm-toolkit.utils.hash" }}
{{ dict "envAll" $envAll "podName" "elasticsearch-client" "containerNames" (list "elasticsearch-client" "init" "memory-map-increase" "apache-proxy") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
{{ dict "envAll" $envAll "application" "client" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      serviceAccountName: {{ $serviceAccountName }}
      affinity:
{{ tuple $envAll "elasticsearch" "client" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      nodeSelector:
        {{ .Values.labels.client.node_selector_key }}: {{ .Values.labels.client.node_selector_value | quote }}
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.client.timeout | default "600" }}
      initContainers:
{{ tuple $envAll "elasticsearch_client" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container"  | indent 8 }}
        - name: memory-map-increase
{{ tuple $envAll "memory_init" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.client | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "client" "container" "memory_map_increase" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
          - sysctl
          - -w
          - vm.max_map_count={{ .Values.conf.init.max_map_count }}
      containers:
        - name: apache-proxy
{{ tuple $envAll "apache_proxy" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.apache_proxy | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "client" "container" "apache_proxy" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/apache.sh
            - start
          ports:
            - name: {{ tuple "elasticsearch" "internal" "api" . | include "helm-toolkit.endpoints.keystone_endpoint_scheme_lookup" }}
              containerPort: {{ tuple "elasticsearch" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
          readinessProbe:
            tcpSocket:
              port: {{ tuple "elasticsearch" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
            initialDelaySeconds: 20
            periodSeconds: 10
          env:
            - name: ELASTICSEARCH_USERNAME
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_USERNAME
            - name: ELASTICSEARCH_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_PASSWORD
            - name: ELASTICSEARCH_LOGGING_USERNAME
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_LOGGING_USERNAME
            - name: ELASTICSEARCH_LOGGING_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_LOGGING_PASSWORD
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: elasticsearch-bin
              mountPath: /tmp/apache.sh
              subPath: apache.sh
              readOnly: true
            - name: elasticsearch-etc
              mountPath: /usr/local/apache2/conf/httpd.conf
              subPath: httpd.conf
              readOnly: true
{{- dict "enabled" .Values.manifests.certificates "name" .Values.secrets.tls.elasticsearch.elasticsearch.internal "path" "/etc/elasticsearch/certs" | include "helm-toolkit.snippets.tls_volume_mount" | indent 12 }}
        - name: elasticsearch-client
{{ tuple $envAll "elasticsearch" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.client | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "client" "container" "elasticsearch_client" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/elasticsearch.sh
            - start
          lifecycle:
            preStop:
              exec:
                command:
                  - /tmp/elasticsearch.sh
                  - stop
          ports:
            - name: transport
              containerPort: {{ tuple "elasticsearch" "internal" "discovery" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{ dict "envAll" . "component" "elasticsearch" "container" "elasticsearch-client" "type" "liveness" "probeTemplate" (include "livenessProbeTemplate" . | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
{{ dict "envAll" . "component" "elasticsearch" "container" "elasticsearch-client" "type" "readiness" "probeTemplate" (include "readinessProbeTemplate" . | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
          env:
            - name: NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: node.roles
              value: "[ingest]"
            - name: HTTP_ENABLE
              value: "true"
            - name: DISCOVERY_SERVICE
              value: {{ tuple "elasticsearch" "discovery" $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
            - name: ES_JAVA_OPTS
              value: "{{ .Values.conf.elasticsearch.env.java_opts.client }}"
{{- if .Values.manifests.certificates }}
            - name: JAVA_KEYSTORE_CERT_PATH
              value: "/usr/share/elasticsearch/config/ca.crt"
            - name: ELASTICSEARCH_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_PASSWORD
{{- end }}
{{- if .Values.conf.elasticsearch.snapshots.enabled }}
{{- if .Values.manifests.object_bucket_claim }}
{{- include "helm-toolkit.snippets.rgw_s3_bucket_user_env_vars_rook" . | indent 12 }}
{{- else }}
{{- include "helm-toolkit.snippets.rgw_s3_user_env_vars" . | indent 12 }}
{{- end }}
{{- end }}
{{- if .Values.pod.env.client }}
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.pod.env.client | indent 12 }}
{{- end }}
{{- if .Values.pod.env.secrets }}
{{ tuple $envAll .Values.pod.env.secrets | include "helm-toolkit.utils.to_k8s_env_secret_vars" | indent 12 }}
{{- end }}
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: elasticsearch-logs
              mountPath: {{ .Values.conf.elasticsearch.config.path.logs }}
            - name: elasticsearch-bin
              mountPath: /tmp/elasticsearch.sh
              subPath: elasticsearch.sh
              readOnly: true
            - name: elasticsearch-etc
              mountPath: /usr/share/elasticsearch/config/elasticsearch.yml
              subPath: elasticsearch.yml
              readOnly: true
            - name: elasticsearch-etc
              mountPath: /usr/share/elasticsearch/config/log4j2.properties
              subPath: log4j2.properties
              readOnly: true
            - name: elasticsearch-etc
              mountPath: /usr/share/elasticsearch/config/jvm.options
              subPath: jvm.options
              readOnly: true
            - name: storage
              mountPath: {{ .Values.conf.elasticsearch.config.path.data }}
{{- dict "enabled" .Values.manifests.certificates "name" .Values.secrets.tls.elasticsearch.elasticsearch.internal "path" "/usr/share/elasticsearch/config" | include "helm-toolkit.snippets.tls_volume_mount" | indent 12 }}
{{ if $mounts_elasticsearch.volumeMounts }}{{ toYaml $mounts_elasticsearch.volumeMounts | indent 12 }}{{ end }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: elasticsearch-logs
          emptyDir: {}
        - name: elasticsearch-bin
          configMap:
            name: elasticsearch-bin
            defaultMode: 0555
        - name: elasticsearch-etc
          secret:
            secretName: elasticsearch-etc
            defaultMode: 0444
        - name: storage
          emptyDir: {}
{{- dict "enabled" .Values.manifests.certificates "name" .Values.secrets.tls.elasticsearch.elasticsearch.internal | include "helm-toolkit.snippets.tls_volume" | indent 8 }}
{{ if $mounts_elasticsearch.volumes }}{{ toYaml $mounts_elasticsearch.volumes | indent 8 }}{{ end }}
{{- end }}
