e868f41923
This patch reworks the Pod rolling mechanism, which is supposed to update Pods with each migration run, but since the it generates a new random value on each helm execution, this will constantly roll all pods in a GitOps driven deployment, which reconciles the helm release. This is resolved by fixing the upgrade to the `.Release.Revision`, which should stay identical, unless config or helm release version have been changed. Further it introduces automatic rolls based on adjustments to the environment variables and secrets. The implementation uses a helper template, following the 1-2-N rule, and omitting code duplication. References: https://helm.sh/docs/chart_template_guide/builtin_objects/ https://helm.sh/docs/howto/charts_tips_and_tricks/#automatically-roll-deployments
139 lines
4.2 KiB
Smarty
139 lines
4.2 KiB
Smarty
{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "mastodon.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "mastodon.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "mastodon.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "mastodon.labels" -}}
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helm.sh/chart: {{ include "mastodon.chart" . }}
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{{ include "mastodon.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "mastodon.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "mastodon.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Rolling pod annotations
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*/}}
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{{- define "mastodon.rollingPodAnnotations" -}}
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rollme: {{ .Release.Revision | quote }}
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checksum/config-secrets: {{ include ( print $.Template.BasePath "/secrets.yaml" ) . | sha256sum | quote }}
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checksum/config-configmap: {{ include ( print $.Template.BasePath "/configmap-env.yaml" ) . | sha256sum | quote }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "mastodon.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "mastodon.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}
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{{/*
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Create a default fully qualified name for dependent services.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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*/}}
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{{- define "mastodon.elasticsearch.fullname" -}}
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{{- printf "%s-%s" .Release.Name "elasticsearch" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- define "mastodon.redis.fullname" -}}
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{{- printf "%s-%s" .Release.Name "redis" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- define "mastodon.postgresql.fullname" -}}
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{{- printf "%s-%s" .Release.Name "postgresql" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Get the mastodon secret.
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*/}}
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{{- define "mastodon.secretName" -}}
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{{- if .Values.mastodon.secrets.existingSecret }}
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{{- printf "%s" (tpl .Values.mastodon.secrets.existingSecret $) -}}
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{{- else -}}
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{{- printf "%s" (include "common.names.fullname" .) -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Get the postgresql secret.
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*/}}
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{{- define "mastodon.postgresql.secretName" -}}
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{{- if (and (or .Values.postgresql.enabled .Values.postgresql.postgresqlHostname) .Values.postgresql.auth.existingSecret) }}
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{{- printf "%s" (tpl .Values.postgresql.auth.existingSecret $) -}}
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{{- else if .Values.postgresql.enabled -}}
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{{- printf "%s-postgresql" (tpl .Release.Name $) -}}
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{{- else -}}
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{{- printf "%s" (include "common.names.fullname" .) -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Get the redis secret.
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*/}}
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{{- define "mastodon.redis.secretName" -}}
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{{- if .Values.redis.auth.existingSecret }}
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{{- printf "%s" (tpl .Values.redis.auth.existingSecret $) -}}
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{{- else if .Values.redis.existingSecret }}
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{{- printf "%s" (tpl .Values.redis.existingSecret $) -}}
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{{- else -}}
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{{- printf "%s-redis" (tpl .Release.Name $) -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return true if a mastodon secret object should be created
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*/}}
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{{- define "mastodon.createSecret" -}}
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{{- if (or
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(and .Values.mastodon.s3.enabled (not .Values.mastodon.s3.existingSecret))
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(not .Values.mastodon.secrets.existingSecret )
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(and (not .Values.postgresql.enabled) (not .Values.postgresql.auth.existingSecret))
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) -}}
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{{- true -}}
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{{- end -}}
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{{- end -}}
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