179 lines
6.5 KiB
Smarty
179 lines
6.5 KiB
Smarty
{{/*
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memcached StatefulSet
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Params:
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ctx = . context
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valuesSection = name of the section in values.yaml
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component = name of the component
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valuesSection and component are specified separately because helm prefers camelcase for naming convetion and k8s components are named with snake case.
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*/}}
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{{- define "loki.memcached.statefulSet" -}}
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{{ with (index $.ctx.Values $.valuesSection) }}
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{{- if .enabled -}}
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: {{ include "loki.resourceName" (dict "ctx" $.ctx "component" $.component) }}
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labels:
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{{- include "loki.labels" $.ctx | nindent 4 }}
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app.kubernetes.io/component: "memcached-{{ $.component }}"
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name: "memcached-{{ $.component }}"
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annotations:
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{{- toYaml .annotations | nindent 4 }}
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namespace: {{ $.ctx.Release.Namespace | quote }}
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spec:
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podManagementPolicy: {{ .podManagementPolicy }}
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replicas: {{ .replicas }}
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selector:
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matchLabels:
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{{- include "loki.selectorLabels" $.ctx | nindent 6 }}
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app.kubernetes.io/component: "memcached-{{ $.component }}"
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name: "memcached-{{ $.component }}"
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updateStrategy:
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{{- toYaml .statefulStrategy | nindent 4 }}
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serviceName: {{ template "loki.fullname" $.ctx }}-{{ $.component }}
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template:
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metadata:
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labels:
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{{- include "loki.selectorLabels" $.ctx | nindent 8 }}
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app.kubernetes.io/component: "memcached-{{ $.component }}"
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name: "memcached-{{ $.component }}"
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{{- with $.ctx.Values.loki.podLabels }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .podLabels }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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annotations:
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{{- with $.ctx.Values.global.podAnnotations }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .podAnnotations }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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spec:
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serviceAccountName: {{ template "loki.serviceAccountName" $.ctx }}
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{{- if .priorityClassName }}
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priorityClassName: {{ .priorityClassName }}
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{{- end }}
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securityContext:
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{{- toYaml $.ctx.Values.memcached.podSecurityContext | nindent 8 }}
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initContainers:
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{{- toYaml .initContainers | nindent 8 }}
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nodeSelector:
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{{- toYaml .nodeSelector | nindent 8 }}
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affinity:
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{{- toYaml .affinity | nindent 8 }}
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topologySpreadConstraints:
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{{- toYaml .topologySpreadConstraints | nindent 8 }}
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tolerations:
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{{- toYaml .tolerations | nindent 8 }}
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terminationGracePeriodSeconds: {{ .terminationGracePeriodSeconds }}
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{{- with $.ctx.Values.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- if .extraVolumes }}
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volumes:
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{{- toYaml .extraVolumes | nindent 8 }}
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{{- end }}
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containers:
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{{- if .extraContainers }}
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{{ toYaml .extraContainers | nindent 8 }}
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{{- end }}
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- name: memcached
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{{- with $.ctx.Values.memcached.image }}
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image: {{ .repository }}:{{ .tag }}
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imagePullPolicy: {{ .pullPolicy }}
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{{- end }}
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resources:
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{{- if .resources }}
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{{- toYaml .resources | nindent 12 }}
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{{- else }}
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{{- /* Calculate requested memory as round(allocatedMemory * 1.2). But with integer built-in operators. */}}
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{{- $requestMemory := div (add (mul .allocatedMemory 12) 5) 10 }}
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limits:
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memory: {{ $requestMemory }}Mi
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requests:
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cpu: 500m
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memory: {{ $requestMemory }}Mi
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{{- end }}
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ports:
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- containerPort: {{ .port }}
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name: client
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{{- /* Calculate storage size as round(.persistence.storageSize * 0.9). But with integer built-in operators. */}}
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{{- $persistenceSize := (div (mul (trimSuffix "Gi" .persistence.storageSize | trimSuffix "G") 9) 10 ) }}
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args:
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- -m {{ .allocatedMemory }}
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- --extended=modern,track_sizes{{ if .persistence.enabled }},ext_path={{ .persistence.mountPath }}/file:{{ $persistenceSize }}G,ext_wbuf_size=16{{ end }}{{ with .extraExtendedOptions }},{{ . }}{{ end }}
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- -I {{ .maxItemMemory }}m
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- -c {{ .connectionLimit }}
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- -v
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- -u {{ .port }}
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{{- range $key, $value := .extraArgs }}
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- "-{{ $key }}{{ if $value }} {{ $value }}{{ end }}"
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{{- end }}
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env:
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{{- with $.ctx.Values.global.extraEnv }}
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{{ toYaml . | nindent 12 }}
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{{- end }}
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envFrom:
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{{- with $.ctx.Values.global.extraEnvFrom }}
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{{- toYaml . | nindent 12 }}
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{{- end }}
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securityContext:
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{{- toYaml $.ctx.Values.memcached.containerSecurityContext | nindent 12 }}
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{{- if or .persistence.enabled .extraVolumeMounts }}
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volumeMounts:
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{{- if .persistence.enabled }}
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- name: data
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mountPath: {{ .persistence.mountPath }}
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{{- end }}
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{{- if .extraVolumeMounts }}
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{{- toYaml .extraVolumeMounts | nindent 12 }}
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{{- end }}
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{{- end }}
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{{- if $.ctx.Values.memcachedExporter.enabled }}
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- name: exporter
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{{- with $.ctx.Values.memcachedExporter.image }}
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image: {{ .repository}}:{{ .tag }}
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imagePullPolicy: {{ .pullPolicy }}
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{{- end }}
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ports:
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- containerPort: 9150
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name: http-metrics
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args:
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- "--memcached.address=localhost:{{ .port }}"
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- "--web.listen-address=0.0.0.0:9150"
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{{- range $key, $value := $.ctx.Values.memcachedExporter.extraArgs }}
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- "--{{ $key }}{{ if $value }}={{ $value }}{{ end }}"
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{{- end }}
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resources:
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{{- toYaml $.ctx.Values.memcachedExporter.resources | nindent 12 }}
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securityContext:
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{{- toYaml $.ctx.Values.memcachedExporter.containerSecurityContext | nindent 12 }}
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{{- if .extraVolumeMounts }}
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volumeMounts:
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{{- toYaml .extraVolumeMounts | nindent 12 }}
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{{- end }}
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{{- end }}
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{{- if .persistence.enabled }}
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volumeClaimTemplates:
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- metadata:
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name: data
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spec:
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accessModes: [ "ReadWriteOnce" ]
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{{- with .persistence.storageClass }}
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storageClassName: {{ if (eq "-" .) }}""{{ else }}{{ . }}{{ end }}
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{{- end }}
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resources:
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requests:
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storage: {{ .persistence.storageSize | quote }}
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{{- end }}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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