91178c31bf
This updates the Elasticsearch chart to include a specific start script for the Elasticsearch data nodes that includes a trap on signals that removes a data node from allocation eligible nodes before shutting down. This results in all shards being moved from a node on shut down to alleviate issues with planned down nodes, such as during upgrade scenarios Change-Id: I22f4957f90e4113831a8ddf48691cb14f811c1e5
206 lines
8.4 KiB
YAML
206 lines
8.4 KiB
YAML
{{/*
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Copyright 2017 The Openstack-Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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{{- if .Values.manifests.statefulset_data }}
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{{- $envAll := . }}
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{{- $esUserSecret := .Values.secrets.elasticsearch.user }}
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{{- $mounts_elasticsearch := .Values.pod.mounts.elasticsearch.elasticsearch }}
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{{- $serviceAccountName := printf "%s-%s" .Release.Name "elasticsearch-data" }}
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{{ tuple $envAll "elasticsearch_data" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
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---
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: ClusterRoleBinding
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metadata:
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name: run-elasticsearch-data
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subjects:
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- kind: ServiceAccount
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name: {{ $serviceAccountName }}
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namespace: {{ .Release.Namespace }}
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roleRef:
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kind: ClusterRole
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name: {{ $serviceAccountName }}
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apiGroup: rbac.authorization.k8s.io
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---
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: ClusterRole
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metadata:
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name: {{ $serviceAccountName }}
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rules:
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- nonResourceURLs:
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- /
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verbs:
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- get
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- apiGroups:
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- ""
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resources:
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- endpoints
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verbs:
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- get
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- apiGroups:
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- apps
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resources:
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- statefulsets/status
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verbs:
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- get
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: elasticsearch-data
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annotations:
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
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labels:
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{{ tuple $envAll "elasticsearch" "data" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
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spec:
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{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_statefulset" | indent 2 }}
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serviceName: {{ tuple "elasticsearch" "data" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
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replicas: {{ .Values.pod.replicas.data }}
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selector:
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matchLabels:
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{{ tuple $envAll "elasticsearch" "data" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
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template:
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metadata:
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labels:
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{{ tuple $envAll "elasticsearch" "data" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
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annotations:
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{{ dict "envAll" $envAll "podName" "elasticsearch-data" "containerNames" (list "elasticsearch-data") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
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configmap-bin-hash: {{ tuple "configmap-bin-elasticsearch.yaml" . | include "helm-toolkit.utils.hash" }}
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configmap-etc-hash: {{ tuple "configmap-etc-elasticsearch.yaml" . | include "helm-toolkit.utils.hash" }}
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spec:
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{{ dict "envAll" $envAll "application" "data" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
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serviceAccountName: {{ $serviceAccountName }}
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affinity:
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{{ tuple $envAll "elasticsearch" "data" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
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nodeSelector:
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{{ .Values.labels.elasticsearch.node_selector_key }}: {{ .Values.labels.elasticsearch.node_selector_value | quote }}
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terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.data.timeout | default "600" }}
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initContainers:
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{{ tuple $envAll "elasticsearch_data" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
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- name: memory-map-increase
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{{ tuple $envAll "memory_init" | include "helm-toolkit.snippets.image" | indent 10 }}
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{{ tuple $envAll $envAll.Values.pod.resources.data | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
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{{ dict "envAll" $envAll "application" "data" "container" "memory_map_increase" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
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command:
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- sysctl
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- -w
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- vm.max_map_count={{ .Values.conf.init.max_map_count }}
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containers:
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- name: elasticsearch-data
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{{ tuple $envAll "elasticsearch" | include "helm-toolkit.snippets.image" | indent 10 }}
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{{ tuple $envAll $envAll.Values.pod.resources.data | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
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{{ dict "envAll" $envAll "application" "data" "container" "elasticsearch_data" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
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command:
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- /tmp/elasticsearch.sh
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- start_data_node
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ports:
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- name: transport
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containerPort: {{ tuple "elasticsearch" "internal" "discovery" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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readinessProbe:
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tcpSocket:
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port: {{ tuple "elasticsearch" "internal" "discovery" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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initialDelaySeconds: 20
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periodSeconds: 10
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env:
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- name: NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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- name: NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: ELASTICSEARCH_USERNAME
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valueFrom:
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secretKeyRef:
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name: {{ $esUserSecret }}
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key: ELASTICSEARCH_USERNAME
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- name: ELASTICSEARCH_PASSWORD
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valueFrom:
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secretKeyRef:
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name: {{ $esUserSecret }}
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key: ELASTICSEARCH_PASSWORD
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- name: ELASTICSEARCH_ENDPOINT
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value: {{ tuple "elasticsearch" "internal" "http" . | include "helm-toolkit.endpoints.host_and_port_endpoint_uri_lookup" }}
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- name: NODE_MASTER
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value: "false"
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- name: NODE_INGEST
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value: "false"
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- name: NODE_DATA
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value: "true"
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- name: HTTP_ENABLE
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value: "false"
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- name: ES_JAVA_OPTS
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value: "{{ .Values.conf.elasticsearch.env.java_opts.data }}"
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- name: DISCOVERY_SERVICE
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value: {{ tuple "elasticsearch" "discovery" $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
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volumeMounts:
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- name: pod-tmp
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mountPath: /tmp
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- name: elasticsearch-logs
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mountPath: {{ .Values.conf.elasticsearch.config.path.logs }}
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- name: elasticsearch-bin
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mountPath: /tmp/elasticsearch.sh
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subPath: elasticsearch.sh
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readOnly: true
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- name: elasticsearch-config
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mountPath: /usr/share/elasticsearch/config
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- name: elasticsearch-etc
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mountPath: /usr/share/elasticsearch/config/elasticsearch.yml
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subPath: elasticsearch.yml
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readOnly: true
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- name: elasticsearch-etc
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mountPath: /usr/share/elasticsearch/config/log4j2.properties
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subPath: log4j2.properties
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readOnly: true
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- name: storage
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mountPath: {{ .Values.conf.elasticsearch.config.path.data }}
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{{ if $mounts_elasticsearch.volumeMounts }}{{ toYaml $mounts_elasticsearch.volumeMounts | indent 12 }}{{ end }}
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volumes:
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- name: pod-tmp
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emptyDir: {}
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- name: elasticsearch-logs
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emptyDir: {}
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- name: elasticsearch-config
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emptyDir: {}
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- name: elasticsearch-bin
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configMap:
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name: elasticsearch-bin
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defaultMode: 0555
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- name: elasticsearch-etc
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secret:
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secretName: elasticsearch-etc
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defaultMode: 0444
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{{ if $mounts_elasticsearch.volumes }}{{ toYaml $mounts_elasticsearch.volumes | indent 8 }}{{ end }}
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{{- if not .Values.storage.enabled }}
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- name: storage
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emptyDir: {}
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{{- else }}
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volumeClaimTemplates:
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- metadata:
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name: storage
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spec:
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accessModes: {{ .Values.storage.pvc.access_mode }}
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resources:
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requests:
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storage: {{ .Values.storage.requests.storage }}
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storageClassName: {{ .Values.storage.storage_class }}
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{{- end }}
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{{- end }}
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