Add the helm chart

helm/charts/helm-library/templates/helpers/_chart.tpl

@@ -0,0 +1,31 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "chart.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 "chart.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 "chart.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}

helm/charts/helm-library/templates/helpers/_converter.tpl

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+{{- define "lib.helpers.convertToJson" -}}
+{{ toString (toJson . ) }}
+{{- end -}}
+
+{{- define "lib.helpers.convertToToml" -}}
+{{ toString (toToml .) }}
+{{- end -}}
+
+{{- define "lib.helpers.convertToYaml" -}}
+{{ toString (toYaml .) }}
+{{- end -}}

helm/charts/helm-library/templates/helpers/_hash.tpl

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+{{/*
+	* Populate hashes from configmaps and secret to
+	* trigger pod restart after config was changed
+	* TODO: Remove the extra empty line after annotations
+*/}}
+{{- define "lib.helpers.hashes" -}} {{- /* define[0] */ -}}
+# ---------------------------------------------------------------------
+# -- A note from the library:
+# -- Pod annotations currently only support hashes of mounted 
+# -- config files and env variables and annotations inherited from 
+# -- the deployment
+# ---------------------------------------------------------------------
+{{ range $k, $v := .env -}} {{/* range[1] */ -}}
+{{- if $v.enabled -}} {{- /* if[2] */ -}}
+{{
+	include "lib.helpers.hash"
+	(dict "kind" "env" "name" $k "data" $v.data)
+}}
+{{ end -}} {{/* /if[2] */ -}}
+{{- end -}} {{- /* /range[1] */ -}}
+{{ range $k, $v := .files -}} {{/* range[1] */ -}}
+{{
+	include "lib.helpers.hash"
+	(dict "kind" "file" "name" $k "data" ($v).entries)
+}}
+{{- end -}} {{- /* /range[1] */ -}}
+{{- end -}} {{- /* /define[0] */ -}}
+
+{{- define "lib.helpers.hash" -}} {{- /* define[0] */ -}}
+{{ printf "helm.badhouseplants.net/%s-%s" .kind .name }}: {{ .data | toString | sha256sum }}
+{{- end -}} {{- /* /end[0] */ -}}

helm/charts/helm-library/templates/helpers/_lookup.tpl

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+{{- define "lib.helpers.lookup.env" -}} {{- /* define[0] */ -}}
+{{- include "lib.error.noCtx" . -}}
+{{- include "lib.error.noKey" (dict "ctx" . "key" "key") -}}
+{{- $data := (index .ctx.Values.config.env .key) -}}
+{{- if not $data }} {{- /* if[1] */}}
+{{- fail (printf "entry %s is not found in env" .key) }}
+{{- else -}} {{- /* .if[1] */ -}}
+{{ toYaml $data }}
+{{- end -}} {{- /* /if[1] */ -}}
+{{- end -}} {{- /* /define[0] */ -}}
+
+{{- define "lib.helpers.lookup.storage" -}} {{- /* define[0] */ -}}
+{{- include "lib.error.noCtx" . -}}
+{{- include "lib.error.noKey" (dict "ctx" . "key" "key") -}}
+{{- $data := (index .ctx.Values.storage .key) -}}
+{{- if not $data }} {{- /* if[1] */}}
+{{- fail (printf "entry %s is not found in storage" .key) }}
+{{- else -}} {{- /* .if[1] */ -}}
+{{ toYaml $data }}
+{{- end -}} {{- /* /if[1] */ -}}
+{{- end -}} {{- /* /define[0] */ -}}
+
+{{- define "lib.helpers.lookup.service" -}} {{- /* define[0] */ -}}
+{{- include "lib.error.noCtx" . -}}
+{{- include "lib.error.noKey" (dict "ctx" . "key" "key") -}}
+{{- $data := (index .ctx.Values.services .key) -}}
+{{- if not $data }} {{- /* if[1] */}}
+{{- fail (printf "entry %s is not found in services" .key) }}
+{{- else -}} {{- /* .if[1] */ -}}
+{{ toYaml $data }}
+{{- end -}} {{- /* /if[1] */ -}}
+{{- end -}} {{- /* /define[0] */ -}}