From dbc36835a16f3c4f7e813a8a536c0922ef1f6bbd Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Fri, 23 Sep 2022 11:45:27 +0200
Subject: Add labels template

---
 templates/_helpers.tpl    | 27 +++++++++++++++++++++++++++
 templates/configmap.yaml  |  6 +++---
 templates/deployment.yaml | 11 +++--------
 templates/hpa.yaml        |  6 +++---
 templates/service.yaml    |  7 ++-----
 5 files changed, 38 insertions(+), 19 deletions(-)

(limited to 'templates')

diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl
index 52158b7..638fade 100644
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@@ -14,3 +14,30 @@ We truncate at 63 chars because some Kubernetes name fields are limited to this
 {{- $name := default .Chart.Name .Values.nameOverride -}}
 {{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "invidious.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "invidious.labels" -}}
+helm.sh/chart: {{ include "invidious.chart" . }}
+{{ include "invidious.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "invidious.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "invidious.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
diff --git a/templates/configmap.yaml b/templates/configmap.yaml
index 58542a3..74d6603 100644
--- a/templates/configmap.yaml
+++ b/templates/configmap.yaml
@@ -1,11 +1,11 @@
+---
 apiVersion: v1
 kind: ConfigMap
 metadata:
   name: {{ template "invidious.fullname" . }}
   labels:
-    app: {{ template "invidious.name" . }}
-    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
-    release: {{ .Release.Name }}
+    {{- include "invidious.labels" . | nindent 4 }}
 data:
   INVIDIOUS_CONFIG: |
 {{ toYaml .Values.config | indent 4 }}
+...
diff --git a/templates/deployment.yaml b/templates/deployment.yaml
index ea1bab5..f0ac30f 100644
--- a/templates/deployment.yaml
+++ b/templates/deployment.yaml
@@ -4,21 +4,16 @@ kind: Deployment
 metadata:
   name: {{ template "invidious.fullname" . }}
   labels:
-    app: {{ template "invidious.name" . }}
-    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
-    release: {{ .Release.Name }}
+    {{- include "invidious.labels" . | nindent 4 }}
 spec:
   replicas: {{ .Values.replicaCount }}
   selector:
     matchLabels:
-      app: {{ template "invidious.name" . }}
-      release: {{ .Release.Name }}
+      {{- include "invidious.selectorLabels" . | nindent 6 }}
   template:
     metadata:
       labels:
-        app: {{ template "invidious.name" . }}
-        chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
-        release: {{ .Release.Name }}
+        {{- include "invidious.selectorLabels" . | nindent 8 }}
     spec:
       securityContext:
         runAsUser: {{ .Values.securityContext.runAsUser }}
diff --git a/templates/hpa.yaml b/templates/hpa.yaml
index c6fbefe..fe1f4e4 100644
--- a/templates/hpa.yaml
+++ b/templates/hpa.yaml
@@ -1,12 +1,11 @@
+---
 {{- if .Values.autoscaling.enabled }}
 apiVersion: autoscaling/v1
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ template "invidious.fullname" . }}
   labels:
-    app: {{ template "invidious.name" . }}
-    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
-    release: {{ .Release.Name }}
+    {{- include "invidious.labels" . | nindent 4 }}
 spec:
   scaleTargetRef:
     apiVersion: apps/v1
@@ -16,3 +15,4 @@ spec:
   maxReplicas: {{ .Values.autoscaling.maxReplicas }}
   targetCPUUtilizationPercentage: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
 {{- end }}
+...
diff --git a/templates/service.yaml b/templates/service.yaml
index f1dc7ea..0513f51 100644
--- a/templates/service.yaml
+++ b/templates/service.yaml
@@ -4,9 +4,7 @@ kind: Service
 metadata:
   name: {{ template "invidious.fullname" . }}
   labels:
-    app: {{ template "invidious.name" . }}
-    chart: {{ .Chart.Name }}
-    release: {{ .Release.Name }}
+    {{- include "invidious.labels" . | nindent 4 }}
 spec:
   type: {{ .Values.service.type }}
   ports:
@@ -14,8 +12,7 @@ spec:
     port: {{ .Values.service.port }}
     targetPort: 3000
   selector:
-    app: {{ template "invidious.name" . }}
-    release: {{ .Release.Name }}
+    {{- include "invidious.selectorLabels" . | nindent 4 }}
 {{- if .Values.service.loadBalancerIP }}
   loadBalancerIP: {{ .Values.service.loadBalancerIP }}
 {{- end }}
-- 
cgit v1.1