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Added labels following helm best practises #1783

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Jun 17, 2020
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Merged

Added labels following helm best practises #1783

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6155ae0
Added labels following helm best practises
fjagugar Jun 8, 2020
c22bd38
Applied PR feedback
fjagugar Jun 9, 2020
774affe
Applied PR feedback: set same app.kubernetes.io/name everywhere
fjagugar Jun 16, 2020
6862196
Remove duplicated label
Jun 17, 2020
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16 changes: 10 additions & 6 deletions chart/kubeapps/templates/_helpers.tpl
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Expand Up @@ -32,21 +32,25 @@ Create chart name and version as used by the chart label.
{{- end -}}

{{/*
Common labels
Common labels for additional kubeapps applications. Used on resources whose app name is different
from kubeapps
*/}}
{{- define "kubeapps.labels" -}}
app: {{ include "kubeapps.name" . }}
{{- define "kubeapps.extraAppLabels" -}}
chart: {{ include "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
helm.sh/chart: {{ template "kubeapps.chart" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
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Can you also add the other two annotations that are recommended: app.kubernetes.io/name and app.kubernetes.io/managed-by?

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Also, I see that these labels are defined in the _helpers.tpl file too:

{{/*
Common labels
*/}}
{{- define "kubeapps.labels" -}}
app: {{ include "kubeapps.name" . }}
chart: {{ include "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
{{- end -}}

We can add the new labels there and simply use the helper everywhere (to avoid having to add the labels one by one).

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I see that not all the labels added in all the cases use the same parameters. It seem the app/app.kubernetes.io/name usually changes.

I've created a new template that adds all the labels that are common except those two ones and used it wherever those labels were the same.

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🤦 this is a bit of a mess (our fault). I guess app should have been always the same but we changed it in several places and now we cannot fix it without making it a breaking change.

From the definition in the docs: app.kubernetes.io/name: This should be the app name, reflecting the entire app. Usually {{ template "name" . }} is used for this. This is used by many Kubernetes manifests, and is not Helm-specific.. Can we at least have a common app.kubernetes.io/name? We can move that new label to the common group.

app.kubernetes.io/managed-by: {{ .Release.Service }}
app.kubernetes.io/name: {{ include "kubeapps.name" . }}
{{- end -}}

{{/*
Labels to use on deploy.spec.selector.matchLabels and svc.spec.selector
Common labels
*/}}
{{- define "kubeapps.matchLabels" -}}
{{- define "kubeapps.labels" -}}
app: {{ include "kubeapps.name" . }}
release: {{ .Release.Name }}
{{ template "kubeapps.extraAppLabels" . }}
{{- end -}}

{{/*
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6 changes: 1 addition & 5 deletions chart/kubeapps/templates/apprepositories-secret.yaml
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Expand Up @@ -6,11 +6,7 @@ metadata:
name: {{ template "kubeapps.apprepository-secret.name" . }}
annotations:
"helm.sh/hook": pre-install
labels:
app: {{ template "kubeapps.name" $ }}
chart: {{ template "kubeapps.chart" $ }}
release: {{ $.Release.Name }}
heritage: {{ $.Release.Service }}
labels:{{ include "kubeapps.labels" $ | nindent 4 }}
data:
{{- if .caCert }}
ca.crt: |-
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5 changes: 1 addition & 4 deletions chart/kubeapps/templates/apprepositories.yaml
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Expand Up @@ -5,11 +5,8 @@ metadata:
name: {{ .name }}
annotations:
"helm.sh/hook": post-install
labels:
labels:{{ include "kubeapps.extraAppLabels" $ | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" $ }}
chart: {{ template "kubeapps.chart" $ }}
release: {{ $.Release.Name }}
heritage: {{ $.Release.Service }}
spec:
type: helm
url: {{ .url }}
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7 changes: 2 additions & 5 deletions chart/kubeapps/templates/apprepository-crd.yaml
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Expand Up @@ -7,11 +7,8 @@ metadata:
name: apprepositories.kubeapps.com
annotations:
"helm.sh/hook": crd-install
labels:
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
labels:{{ include "kubeapps.extraAppLabels" $ | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" $ }}
spec:
group: kubeapps.com
scope: Namespaced
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7 changes: 3 additions & 4 deletions chart/kubeapps/templates/apprepository-deployment.yaml
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Expand Up @@ -2,11 +2,8 @@ apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "kubeapps.apprepository.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
replicas: {{ .Values.apprepository.replicaCount }}
selector:
Expand All @@ -18,6 +15,8 @@ spec:
labels:
app: {{ template "kubeapps.apprepository.fullname" . }}
release: {{ .Release.Name }}
app.kubernetes.io/instance: {{ .Release.Name }}
app.kubernetes.io/name: {{ template "kubeapps.name" . }}
spec:
serviceAccountName: {{ template "kubeapps.apprepository.fullname" . }}
{{- include "kubeapps.imagePullSecrets" . | indent 6 }}
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10 changes: 2 additions & 8 deletions chart/kubeapps/templates/apprepository-jobs-cleanup-rbac.yaml
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Expand Up @@ -7,11 +7,8 @@ metadata:
helm.sh/hook: post-delete
helm.sh/hook-delete-policy: hook-succeeded
helm.sh/hook-weight: "-10"
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository-jobs-cleanup.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
rules:
- apiGroups:
- kubeapps.com
Expand All @@ -36,11 +33,8 @@ metadata:
helm.sh/hook: post-delete
helm.sh/hook-delete-policy: hook-succeeded
helm.sh/hook-weight: "-10"
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository-jobs-cleanup.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
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5 changes: 1 addition & 4 deletions chart/kubeapps/templates/apprepository-jobs-cleanup-serviceaccount.yaml
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Expand Up @@ -6,8 +6,5 @@ metadata:
helm.sh/hook: post-delete
helm.sh/hook-delete-policy: hook-succeeded
helm.sh/hook-weight: "-10"
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository-jobs-cleanup.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
7 changes: 3 additions & 4 deletions chart/kubeapps/templates/apprepository-jobs-cleanup.yaml
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Expand Up @@ -6,17 +6,16 @@ metadata:
annotations:
helm.sh/hook: post-delete
helm.sh/hook-delete-policy: hook-succeeded
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository-jobs-cleanup.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
template:
metadata:
labels:
app: {{ template "kubeapps.apprepository-jobs-cleanup.fullname" . }}
app.kubernetes.io/name: {{ template "kubeapps.name" . }}
release: {{ .Release.Name }}
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
{{- include "kubeapps.imagePullSecrets" . | indent 6 }}
{{- if .Values.hooks.affinity }}
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10 changes: 2 additions & 8 deletions chart/kubeapps/templates/apprepository-jobs-postupgrade-rbac.yaml
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Expand Up @@ -6,11 +6,8 @@ apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: {{ template "kubeapps.apprepository-job-postupgrade.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
rules:
- apiGroups:
- ""
Expand All @@ -24,11 +21,8 @@ apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: {{ template "kubeapps.apprepository-job-postupgrade.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
Expand Down
7 changes: 3 additions & 4 deletions chart/kubeapps/templates/apprepository-jobs-postupgrade.yaml
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Expand Up @@ -8,17 +8,16 @@ metadata:
helm.sh/hook: post-upgrade
helm.sh/hook-weight: "0"
helm.sh/hook-delete-policy: hook-succeeded
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository-job-postupgrade.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
template:
metadata:
labels:
app: {{ template "kubeapps.apprepository-job-postupgrade.fullname" . }}
app.kubernetes.io/name: {{ template "kubeapps.name" . }}
release: {{ .Release.Name }}
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
{{- include "kubeapps.imagePullSecrets" . | indent 6 }}
{{- if .Values.hooks.affinity }}
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26 changes: 6 additions & 20 deletions chart/kubeapps/templates/apprepository-rbac.yaml
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Expand Up @@ -3,11 +3,8 @@ apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: {{ template "kubeapps.apprepository.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
rules:
- apiGroups:
- ""
Expand Down Expand Up @@ -47,11 +44,8 @@ apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: {{ template "kubeapps.apprepository.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
Expand Down Expand Up @@ -101,11 +95,8 @@ apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: "kubeapps:{{ .Release.Namespace }}:apprepositories-read"
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
rules:
- apiGroups:
- kubeapps.com
Expand All @@ -121,11 +112,9 @@ apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: "kubeapps:controller:{{ .Release.Namespace }}:apprepositories-read"
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
app.kubernetes.io/name: {{ template "kubeapps.apprepository.fullname" . }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
Expand All @@ -139,11 +128,8 @@ apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: "kubeapps:{{ .Release.Namespace }}:apprepositories-write"
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
rules:
- apiGroups:
- kubeapps.com
Expand Down
10 changes: 2 additions & 8 deletions chart/kubeapps/templates/apprepository-serviceaccount.yaml
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Expand Up @@ -2,18 +2,12 @@ apiVersion: v1
kind: ServiceAccount
metadata:
name: {{ template "kubeapps.apprepository.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: {{ template "kubeapps.apprepository-job-postupgrade.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.apprepository.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
7 changes: 3 additions & 4 deletions chart/kubeapps/templates/assetsvc-deployment.yaml
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Expand Up @@ -2,11 +2,8 @@ apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "kubeapps.assetsvc.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.assetsvc.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
replicas: {{ .Values.assetsvc.replicaCount }}
selector:
Expand All @@ -17,7 +14,9 @@ spec:
metadata:
labels:
app: {{ template "kubeapps.assetsvc.fullname" . }}
app.kubernetes.io/name: {{ template "kubeapps.name" . }}
release: {{ .Release.Name }}
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
{{- include "kubeapps.imagePullSecrets" . | indent 6 }}
{{- if .Values.assetsvc.affinity }}
Expand Down
5 changes: 1 addition & 4 deletions chart/kubeapps/templates/assetsvc-service.yaml
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Expand Up @@ -2,11 +2,8 @@ apiVersion: v1
kind: Service
metadata:
name: {{ template "kubeapps.assetsvc.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.name" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
type: ClusterIP
ports:
Expand Down
5 changes: 1 addition & 4 deletions chart/kubeapps/templates/dashboard-config.yaml
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Expand Up @@ -2,11 +2,8 @@ apiVersion: v1
kind: ConfigMap
metadata:
name: {{ template "kubeapps.dashboard-config.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.dashboard-config.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
data:
vhost.conf: |-
server {
Expand Down
9 changes: 5 additions & 4 deletions chart/kubeapps/templates/dashboard-deployment.yaml
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Expand Up @@ -2,11 +2,8 @@ apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "kubeapps.dashboard.fullname" . }}
labels:
labels:{{ include "kubeapps.extraAppLabels" . | nindent 4 }}
app: {{ template "kubeapps.dashboard.fullname" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
replicas: {{ .Values.dashboard.replicaCount }}
selector:
Expand All @@ -19,7 +16,11 @@ spec:
checksum/config: {{ include (print $.Template.BasePath "/dashboard-config.yaml") . | sha256sum }}
labels:
app: {{ template "kubeapps.dashboard.fullname" . }}
app.kubernetes.io/name: {{ template "kubeapps.name" . }}
release: {{ .Release.Name }}
app.kubernetes.io/instance: {{ .Release.Name }}
chart: {{ template "kubeapps.chart" . }}
helm.sh/chart: {{ template "kubeapps.chart" . }}
spec:
{{- include "kubeapps.imagePullSecrets" . | indent 6 }}
{{- if .Values.dashboard.affinity }}
Expand Down
6 changes: 1 addition & 5 deletions chart/kubeapps/templates/dashboard-service.yaml
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Expand Up @@ -2,11 +2,7 @@ apiVersion: v1
kind: Service
metadata:
name: {{ template "kubeapps.dashboard.fullname" . }}
labels:
app: {{ template "kubeapps.name" . }}
chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
labels:{{ include "kubeapps.labels" . | nindent 4 }}
spec:
type: ClusterIP
ports:
Expand Down
3 changes: 3 additions & 0 deletions chart/kubeapps/templates/db-secret-bootstrap.yaml
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Expand Up @@ -12,8 +12,11 @@ metadata:
helm.sh/hook: pre-install
labels:
chart: {{ template "kubeapps.chart" . }}
helm.sh/chart: {{ template "kubeapps.chart" . }}
release: {{ .Release.Name }}
app.kubernetes.io/instance: {{ .Release.Name }}
heritage: {{ .Release.Service }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
data:
{{- if .Values.mongodb.enabled }}
mongodb-root-password: {{ randAlphaNum 10 | b64enc | quote }}
Expand Down
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