chart/templates/_helpers.tpl

{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "mastodon.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
{{- end }}

{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
If release name contains chart name it will be used as a full name.
*/}}
{{- define "mastodon.fullname" -}}
{{- if .Values.fullnameOverride }}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- $name := default .Chart.Name .Values.nameOverride }}
{{- if contains $name .Release.Name }}
{{- .Release.Name | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
{{- end }}
{{- end }}
{{- end }}

{{/*
Create chart name and version as used by the chart label.
*/}}
{{- define "mastodon.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}

{{/*
Labels added on every Mastodon resource
*/}}
{{- define "mastodon.globalLabels" -}}
{{- range $k, $v := .Values.mastodon.labels }}
{{ $k }}: {{ quote $v }}
{{- end -}}
{{- end }}

{{/*
Common labels
*/}}
{{- define "mastodon.labels" -}}
helm.sh/chart: {{ include "mastodon.chart" . }}
{{ include "mastodon.selectorLabels" . }}
{{ include "mastodon.globalLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}

{{/*
Selector labels
*/}}
{{- define "mastodon.selectorLabels" -}}
app.kubernetes.io/name: {{ include "mastodon.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}

{{/*
Rolling pod annotations
*/}}
{{- define "mastodon.rollingPodAnnotations" -}}
{{- if .Values.revisionPodAnnotation }}
rollme: {{ .Release.Revision | quote }}
{{- end }}
checksum/config-secrets: {{ include ( print $.Template.BasePath "/secrets.yaml" ) . | sha256sum | quote }}
checksum/config-configmap: {{ include ( print $.Template.BasePath "/configmap-env.yaml" ) . | sha256sum | quote }}
{{- end }}

{{/*
Create the name of the service account to use
*/}}
{{- define "mastodon.serviceAccountName" -}}
{{- if .Values.serviceAccount.create }}
{{- default (include "mastodon.fullname" .) .Values.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.serviceAccount.name }}
{{- end }}
{{- end }}

{{/*
Create the name of the assets persistent volume to use
*/}}
{{- define "mastodon.pvc.assets" -}}
{{- if .Values.mastodon.persistence.assets.existingClaim }}
    {{- printf "%s" (tpl .Values.mastodon.persistence.assets.existingClaim $) -}}
{{- else -}}
    {{- printf "%s-assets" (include "common.names.fullname" .) -}}
{{- end -}}
{{- end -}}

{{/*
Create the name of the system persistent volume to use
*/}}
{{- define "mastodon.pvc.system" -}}
{{- if .Values.mastodon.persistence.system.existingClaim }}
    {{- printf "%s" (tpl .Values.mastodon.persistence.system.existingClaim $) -}}
{{- else -}}
    {{- printf "%s-system" (include "common.names.fullname" .) -}}
{{- end -}}
{{- end -}}

{{/*
Create a default fully qualified name for dependent services.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "mastodon.elasticsearch.fullname" -}}
{{- printf "%s-%s" .Release.Name "elasticsearch" | trunc 63 | trimSuffix "-" -}}
{{- end -}}

{{- define "mastodon.redis.fullname" -}}
{{- printf "%s-%s" .Release.Name "redis" | trunc 63 | trimSuffix "-" -}}
{{- end -}}

{{- define "mastodon.postgresql.fullname" -}}
{{- printf "%s-%s" .Release.Name "postgresql" | trunc 63 | trimSuffix "-" -}}
{{- end -}}

{{/*
Get the mastodon secret.
*/}}
{{- define "mastodon.secretName" -}}
{{- if .Values.mastodon.secrets.existingSecret }}
    {{- printf "%s" (tpl .Values.mastodon.secrets.existingSecret $) -}}
{{- else -}}
    {{- printf "%s" (include "mastodon.fullname" .) -}}
{{- end -}}
{{- end -}}

{{/*
Get the smtp secret.
*/}}
{{- define "mastodon.smtp.secretName" -}}
{{- if .Values.mastodon.smtp.existingSecret }}
    {{- printf "%s" (tpl .Values.mastodon.smtp.existingSecret $) -}}
{{- else -}}
    {{- printf "%s-smtp" (include "mastodon.fullname" .) -}}
{{- end -}}
{{- end -}}

{{/*
Get the postgresql secret.
*/}}
{{- define "mastodon.postgresql.secretName" -}}
{{- if (and (or .Values.postgresql.enabled .Values.postgresql.postgresqlHostname) .Values.postgresql.auth.existingSecret) }}
    {{- printf "%s" (tpl .Values.postgresql.auth.existingSecret $) -}}
{{- else if .Values.postgresql.enabled -}}
    {{- printf "%s-postgresql" (tpl .Release.Name $) -}}
{{- else -}}
    {{- printf "%s" (include "mastodon.fullname" .) -}}
{{- end -}}
{{- end -}}

{{/*
Get the redis secret.
*/}}
{{- define "mastodon.redis.secretName" -}}
{{- if .Values.redis.auth.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.auth.existingSecret $) -}}
{{- else if .Values.redis.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.existingSecret $) -}}
{{- else if .Values.redis.enabled -}}
    {{- printf "%s-redis" (tpl .Release.Name $) -}}
{{- else -}}
    {{- printf "%s-redis" (include "mastodon.fullname" .) -}}
{{- end -}}
{{- end -}}

{{/*
Get the redis secret (sidekiq).
*/}}
{{- define "mastodon.redis.sidekiq.secretName" -}}
{{- if .Values.redis.sidekiq.auth.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.sidekiq.auth.existingSecret $) -}}
{{- else if .Values.redis.auth.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.auth.existingSecret $) -}}
{{- else if .Values.redis.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.existingSecret $) -}}
{{- else -}}
    {{- printf "%s-redis" (tpl .Release.Name $) -}}
{{- end -}}
{{- end -}}

{{/*
Get the redis secret (cache).
*/}}
{{- define "mastodon.redis.cache.secretName" -}}
{{- if .Values.redis.cache.auth.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.cache.auth.existingSecret $) -}}
{{- else if .Values.redis.auth.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.auth.existingSecret $) -}}
{{- else if .Values.redis.existingSecret }}
    {{- printf "%s" (tpl .Values.redis.existingSecret $) -}}
{{- else -}}
    {{- printf "%s-redis" (tpl .Release.Name $) -}}
{{- end -}}
{{- end -}}

{{/*
Return true if a mastodon secret object should be created
*/}}
{{- define "mastodon.createSecret" -}}
{{- if (or
    (and .Values.mastodon.s3.enabled (not .Values.mastodon.s3.existingSecret))
    (not .Values.mastodon.secrets.existingSecret )
    (and (not .Values.postgresql.enabled) (not .Values.postgresql.auth.existingSecret))
    ) -}}
    {{- true -}}
{{- end -}}
{{- end -}}

{{/*
Find highest number of needed database connections to set DB_POOL variable
*/}}
{{- define "mastodon.maxDbPool" -}}
{{/* Default MAX_THREADS for Puma is 5 */}}
{{- $poolSize := 5 }}
{{- range .Values.mastodon.sidekiq.workers }}
{{- $poolSize = max $poolSize .concurrency }}
{{- end }}
{{- $poolSize | quote }}
{{- end }}

{{/*
Full hostname for a custom Elasticsearch cluster
*/}}
{{- define "mastodon.elasticsearch.fullHostname" -}}
{{- if not .Values.elasticsearch.enabled }}
    {{- if .Values.elasticsearch.tls }}
        {{- printf "https://%s" (tpl .Values.elasticsearch.hostname $) -}}
    {{- else -}}
        {{- printf "%s" (tpl .Values.elasticsearch.hostname $) -}}
    {{- end }}
{{- end -}}
{{- end -}}