Add varnish controller helm charts to public repo

varnish-controller-router/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

varnish-controller-router/Chart.yaml

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+---
+apiVersion: v2
+name: varnish-controller-router
+description: Varnish Traffic Router Helm chart
+type: application
+version: 1.7.0
+appVersion: 6.6.9
+maintainers:
+  - email: containers@varnish-software.com
+    name: Varnish Software

varnish-controller-router/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "varnish-controller-router.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 "varnish-controller-router.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 "varnish-controller-router.chart" }}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Sets up the Varnish Controller Router image and its overrides (if any)
+*/}}
+{{- define "varnish-controller-router.image" }}
+{{- $base := .base | default dict }}
+{{- $image := .image | default dict }}
+image: "{{- if eq $image.repository "-" }}{{ $base.repository }}{{ else }}{{ $image.repository }}{{ end }}:{{- if eq $image.tag "-" }}{{ default .Chart.AppVersion $base.tag }}{{ else }}{{ default .Chart.AppVersion $image.tag }}{{ end }}"
+imagePullPolicy: {{ if eq $image.pullPolicy "-" }}{{ $base.pullPolicy }}{{ else }}{{ $image.pullPolicy }}{{ end }}
+{{- end }}
+
+{{/*
+Sets up the NATS server
+*/}}
+{{- define "varnish-controller-router.natsServer" }}
+{{- $natsAddress := "" }}
+{{- $internalNats := false }}
+{{- $tp := kindOf .Values.global.natsServer.internal.enabled }}
+{{- if .Values.global.natsServer.internal.enabled }}
+{{- $natsNamespace := .Release.Namespace }}
+{{- $natsReleaseName := "varnish-controller" }}
+{{- $internalNats = true }}
+{{- if not (eq .Values.global.natsServer.internal.namespace "") }}
+{{- $natsNamespace = .Values.global.natsServer.internal.namespace }}
+{{- end }}
+{{- if not (eq .Values.global.natsServer.internal.releaseName "") }}
+{{- $natsReleaseName = .Values.global.natsServer.internal.releaseName }}
+{{- end }}
+{{- $natsAddress = printf "%s-nats.%s.svc.%s:4222" $natsReleaseName $natsNamespace .Values.global.natsServer.internal.clusterDomain }}
+{{- else }}
+{{- $natsAddress = .Values.global.natsServer.externalAddress }}
+{{- end }}
+{{- if eq $natsAddress "" }}
+{{ fail "Either 'global.natsServer.internal.enabled' or 'global.natsServer.externalAddress' must be set" }}
+{{- end }}
+{{- if $internalNats }}
+- name: VARNISH_CONTROLLER_NATS_USER
+  value: varnish-controller
+- name: VARNISH_CONTROLLER_NATS_HOST
+  value: {{ $natsAddress | quote }}
+- name: VARNISH_CONTROLLER_NATS_PASS
+  valueFrom:
+    secretKeyRef:
+      name: {{ .Values.global.natsServer.internal.passwordFrom.name | quote }}
+      key: {{ .Values.global.natsServer.internal.passwordFrom.key | quote }}
+- name: VARNISH_CONTROLLER_NATS_SERVER
+  value: "$(VARNISH_CONTROLLER_NATS_USER):$(VARNISH_CONTROLLER_NATS_PASS)@$(VARNISH_CONTROLLER_NATS_HOST)"
+{{- else }}
+- name: VARNISH_CONTROLLER_NATS_SERVER
+  value: {{ $natsAddress | quote }}
+{{- end }}
+{{- end }}
+
+{{- define "varnish-controller-router.boolYesNo" }}
+{{- if . }}yes{{ else }}no{{ end -}}
+{{- end }}
+
+{{/*
+Sets extra envs from either an array, an object, or a string.
+*/}}
+{{- define "varnish-controller-router.toEnv" }}
+{{- $tp := kindOf .envs }}
+{{- if eq $tp "string" }}
+{{- tpl .envs . | trim | nindent 0 }}
+{{- else if eq $tp "map" }}
+{{- range $k, $v := .envs }}
+- name: {{ $k | quote }}
+  value: {{ $v | quote }}
+{{- end }}
+{{- else if eq $tp "slice" }}
+{{- .envs | toYaml }}
+{{- end }}
+{{- end }}
+
+{{/*
+Declares the YAML field.
+*/}}
+{{- define "varnish-controller-router.toYamlField" }}
+{{- $section := default "server" .section }}
+{{- $fieldName := .fieldName }}
+{{- $fieldKey := default $fieldName .fieldKey }}
+{{- $fieldValue := .Values }}
+{{- range $s := (splitList "." $section) }}
+{{- $fieldValue = (get $fieldValue $s) }}
+{{- end }}
+{{- $fieldValue = (get $fieldValue $fieldKey) }}
+{{- if (empty $fieldValue) }}
+{{- $fieldValue = (dict) }}
+{{- else if eq (kindOf $fieldValue) "string" }}
+{{- $fieldValue = (fromYaml (tpl $fieldValue .)) }}
+{{- end }}
+{{- $globalFieldValue := (get .Values.global $fieldKey) }}
+{{- if eq (kindOf $globalFieldValue) "string" }}
+{{- $globalFieldValue = (fromYaml (tpl $globalFieldValue .)) }}
+{{- end }}
+{{- if not (empty $globalFieldValue) }}
+{{- $fieldValue = (merge $fieldValue $globalFieldValue) }}
+{{- end }}
+{{- $extraFieldValues := .extraFieldValues }}
+{{- if eq (kindOf $extraFieldValues) "string" }}
+{{- $extraFieldValues = (fromYaml (tpl $extraFieldValues .)) }}
+{{- end }}
+{{- if not (empty $extraFieldValues) }}
+{{- $fieldValue = (merge $fieldValue $extraFieldValues) }}
+{{- end }}
+{{- if not (empty $fieldValue) }}
+{{- (dict $fieldName $fieldValue) | toYaml }}
+{{- end }}
+{{- end }}