I don't know what I'm doing

deploy/freedns-webhook/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "freedns-webhook.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 "freedns-webhook.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 "freedns-webhook.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "freedns-webhook.selfSignedIssuer" -}}
+{{ printf "%s-selfsign" (include "freedns-webhook.fullname" .) }}
+{{- end -}}
+
+{{- define "freedns-webhook.rootCAIssuer" -}}
+{{ printf "%s-ca" (include "freedns-webhook.fullname" .) }}
+{{- end -}}
+
+{{- define "freedns-webhook.rootCACertificate" -}}
+{{ printf "%s-ca" (include "freedns-webhook.fullname" .) }}
+{{- end -}}
+
+{{- define "freedns-webhook.servingCertificate" -}}
+{{ printf "%s-webhook-tls" (include "freedns-webhook.fullname" .) }}
+{{- end -}}