[bitnami/metallb] Adding the MetalLB Helm Chart.

bitnami/metallb/.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
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

bitnami/metallb/Chart.yaml

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+apiVersion: v1
+name: metallb
+description: The Metal LB for Kubernetes
+appVersion: 0.9.3
+keywords:
+  - "load-balancer"
+  - "balancer"
+  - "lb"
+  - "bgp"
+  - "arp"
+  - "vrrp"
+  - "vip"
+home: https://metallb.universe.tf
+icon: https://metallb.universe.tf/images/logo.png
+sources:
+  - https://github.com/metallb/metallb
+  - https://github.com/bitnami/bitnami-docker-metallb
+version: 0.1.10
+maintainers:
+  - name: cellebyte
+    email: cellebyte@gmail.com
+  - name: Bitnami
+    email: containers@bitnami.com

bitnami/metallb/templates/NOTES.txt

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+MetalLB is now running in the cluster
+
+LoadBalancer Services in your cluster are now available on the IPs you
+defined in MetalLB's configuration. To see IP assignments,
+
+    kubectl get services -o wide --all-namespaces | grep --color=never -E 'LoadBalancer|NAMESPACE'
+
+should be executed.
+
+To see the currently configured configuration for metallb run
+
+    kubectl get configmaps --namespace {{ .Release.Namespace }} {{ include "metallb.configMapName" . }} -o yaml
+
+in your preferred shell.
+
+{{- if .Values.existingConfigMap }}
+WARNING: you specified a ConfigMap that isn't managed by
+Helm. LoadBalancer services will not function until you add that
+ConfigMap to your cluster yourself.
+
+Ensure you put the configmap in place
+
+    kubectl get configmaps --namespace {{ .Release.Namespace }} | grep --color=never -E "{{ include "metallb.configMapName" . }}|NAME"
+
+If it is missing create it with:
+
+    kubectl create configmap {{ include "metallb.configMapName" . }} --namespace {{ .Release.Namespace }} --from-file=config
+{{- end }}
+
+{{- if .Values.speaker.secretName }}
+WARNING: you specified a secretName that isn't managed by
+Helm. The MetalLB speakers will not join without the secret in place.
+
+    kubectl get secrets --namespace {{ .Release.Namespace }} | grep --color=never -E "{{ include "metallb.secretName" .}}|NAME"
+
+If it is missing create it with:
+
+    kubectl create secret {{ include "metallb.secretName" .}} --from-file={{ include "metallb.secretKey" . }}
+{{- end }}

bitnami/metallb/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "metallb.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Return the proper metallb controller image name
+*/}}
+{{- define "metallb.controller.image" -}}
+{{- $registryName := .Values.controller.image.registry -}}
+{{- $repositoryName := .Values.controller.image.repository -}}
+{{- $tag := .Values.controller.image.tag | toString -}}
+{{/*
+Helm 2.11 supports the assignment of a value to a variable defined in a different scope,
+but Helm 2.9 and 2.10 doesn't support it, so we need to implement this if-else logic.
+Also, we can't use a single if because lazy evaluation is not an option
+*/}}
+{{- if .Values.global }}
+    {{- if .Values.global.imageRegistry }}
+        {{- printf "%s/%s:%s" .Values.global.imageRegistry $repositoryName $tag -}}
+    {{- else -}}
+        {{- printf "%s/%s:%s" $registryName $repositoryName $tag -}}
+    {{- end -}}
+{{- else -}}
+    {{- printf "%s/%s:%s" $registryName $repositoryName $tag -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Return the proper metallb speaker image name
+*/}}
+{{- define "metallb.speaker.image" -}}
+{{- $registryName := .Values.speaker.image.registry -}}
+{{- $repositoryName := .Values.speaker.image.repository -}}
+{{- $tag := .Values.speaker.image.tag | toString -}}
+{{/*
+Helm 2.11 supports the assignment of a value to a variable defined in a different scope,
+but Helm 2.9 and 2.10 doesn't support it, so we need to implement this if-else logic.
+Also, we can't use a single if because lazy evaluation is not an option
+*/}}
+{{- if .Values.global }}
+    {{- if .Values.global.imageRegistry }}
+        {{- printf "%s/%s:%s" .Values.global.imageRegistry $repositoryName $tag -}}
+    {{- else -}}
+        {{- printf "%s/%s:%s" $registryName $repositoryName $tag -}}
+    {{- end -}}
+{{- else -}}
+    {{- printf "%s/%s:%s" $registryName $repositoryName $tag -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "metallb.labels" -}}
+app.kubernetes.io/name: {{ include "metallb.name" . }}
+helm.sh/chart: {{ include "metallb.chart" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Labels to use on deploy.spec.selector.matchLabels and svc.spec.selector
+*/}}
+{{- define "metallb.matchLabels" -}}
+app.kubernetes.io/name: {{ include "metallb.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- 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 "metallb.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 "metallb.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Return the proper Docker Image Registry Secret Names
+*/}}
+{{- define "metallb.controller.imagePullSecrets" -}}
+{{/*
+Helm 2.11 supports the assignment of a value to a variable defined in a different scope,
+but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic.
+Also, we can not use a single if because lazy evaluation is not an option
+*/}}
+{{- if .Values.global }}
+{{- if .Values.global.imagePullSecrets }}
+imagePullSecrets:
+{{- range .Values.global.imagePullSecrets }}
+  - name: {{ . }}
+{{- end }}
+{{- else if .Values.controller.image.pullSecrets }}
+imagePullSecrets:
+{{- range .Values.controller.image.pullSecrets }}
+  - name: {{ . }}
+{{- end }}
+{{- end -}}
+{{- else if .Values.controller.image.pullSecrets }}
+imagePullSecrets:
+{{- range .Values.controller.image.pullSecrets }}
+  - name: {{ . }}
+{{- end }}
+{{- end -}}
+{{- end -}}
+
+
+{{/*
+Return the proper Docker Image Registry Secret Names
+*/}}
+{{- define "metallb.speaker.imagePullSecrets" -}}
+{{/*
+Helm 2.11 supports the assignment of a value to a variable defined in a different scope,
+but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic.
+Also, we can not use a single if because lazy evaluation is not an option
+*/}}
+{{- if .Values.global }}
+{{- if .Values.global.imagePullSecrets }}
+imagePullSecrets:
+{{- range .Values.global.imagePullSecrets }}
+  - name: {{ . }}
+{{- end }}
+{{- else if .Values.speaker.image.pullSecrets }}
+imagePullSecrets:
+{{- range .Values.speaker.image.pullSecrets }}
+  - name: {{ . }}
+{{- end }}
+{{- end -}}
+{{- else if .Values.speaker.image.pullSecrets }}
+imagePullSecrets:
+{{- range .Values.speaker.image.pullSecrets }}
+  - name: {{ . }}
+{{- end }}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create the name of the controller service account to use
+*/}}
+{{- define "metallb.controllerServiceAccountName" -}}
+{{- if .Values.controller.serviceAccount.create -}}
+    {{ default (printf "%s-controller" (include "metallb.fullname" .)) .Values.controller.serviceAccount.name | trunc 63 | trimSuffix "-" }}
+{{- else -}}
+    {{ default "default" .Values.controller.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create the name of the speaker service account to use
+*/}}
+{{- define "metallb.speakerServiceAccountName" -}}
+{{- if .Values.speaker.serviceAccount.create -}}
+    {{ default (printf "%s-speaker" (include "metallb.fullname" .)) .Values.speaker.serviceAccount.name | trunc 63 | trimSuffix "-" }}
+{{- else -}}
+    {{ default "default" .Values.speaker.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create the name of the settings ConfigMap to use.
+*/}}
+{{- define "metallb.configMapName" -}}
+    {{ default ( printf "%s" (include "metallb.fullname" .)) .Values.existingConfigMap | trunc 63 | trimSuffix "-" }}
+{{- end -}}
+
+{{/*
+Create the name of the settings Secret to use.
+*/}}
+{{- define "metallb.secretName" -}}
+    {{ default ( printf "%s-memberlist" (include "metallb.fullname" .)) .Values.speaker.secretName | trunc 63 | trimSuffix "-" }}
+{{- end -}}
+
+
+{{/*
+Create the key of the settings Secret to use.
+*/}}
+{{- define "metallb.secretKey" -}}
+    {{ default "secretkey" .Values.speaker.secretKey | trunc 63 | trimSuffix "-" }}
+{{- end -}}
+
+{{/*
+Renders a value that contains template.
+Usage:
+{{ include "metallb.tplValue" ( dict "value" .Values.path.to.the.Value "context" $) }}
+*/}}
+{{- define "metallb.tplValue" -}}
+    {{- if typeIs "string" .value }}
+        {{- tpl .value .context }}
+    {{- else }}
+        {{- tpl (.value | toYaml) .context }}
+    {{- end }}
+{{- end -}}

bitnami/metallb/templates/configmap.yaml

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+{{- if not .Values.existingConfigMap }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "metallb.configMapName" . }}
+  labels: {{- include "metallb.labels" . | nindent 4}}
+data:
+  config: |
+{{ include "metallb.tplValue" ( dict "value" .Values.configInline "context" $) | indent 4 }}
+{{- end }}