truenas/library/common/templates/lib/chart/_names.tpl

{{/* Contains functions for generating names */}}

{{/* Returns the name of the Chart */}}
{{- define "ix.v1.common.lib.chart.names.name" -}}

  {{- .Chart.Name | lower | trunc 63 | trimSuffix "-" -}}

{{- end -}}

{{/* Returns the fullname of the Chart */}}
{{- define "ix.v1.common.lib.chart.names.fullname" -}}

  {{- $name := include "ix.v1.common.lib.chart.names.name" . -}}

  {{- if contains $name .Release.Name -}}
    {{- $name = .Release.Name -}}
  {{- else -}}
    {{- $name = printf "%s-%s" .Release.Name $name -}}
  {{- end -}}

  {{- $name | lower | trunc 63 | trimSuffix "-" -}}

{{- end -}}

{{/* Validates names */}}
{{- define "ix.v1.common.lib.chart.names.validation" -}}

  {{- $name := .name -}}

  {{- if not (mustRegexMatch "^[a-z0-9]([a-z0-9]-?|-?[a-z0-9]){0,61}[a-z0-9]$" $name) -}}
    {{- fail (printf "Name [%s] is not valid. Must start and end with an alphanumeric lowercase character. It can contain '-'. And must be at most 63 characters." $name) -}}
  {{- end -}}

{{- end -}}

{{/* Create chart name and version as used by the chart label */}}
{{- define "ix.v1.common.lib.chart.names.chart" -}}

  {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}

{{- end -}}