Feature: add a Helm Chart (#79)

Create helm chart

Co-authored-by: Denis GERMAIN <dgermain@deezer.com>

Author: zwindler

README.md

@@ -84,6 +84,14 @@ or
 $ kubectl apply -f deployments/kubernetes/v1.21.0
 ```
 
+#### From the helm chart
+
+You can also use the available Helm chart. Configure the values.yaml file in `deployments/kubernetes/helm` with your own values, then run:
+
+```console
+$ helm install clever-operator -n clever-operator --create-namespace -f values.yaml .
+```
+
 ### From dockerhub
 
 The docker image will be provided by the dockerhub account of Clever-Cloud and you only need to apply the deployment

deployments/kubernetes/helm/.helmignore

@@ -0,0 +1,23 @@
+# 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/

deployments/kubernetes/helm/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v2
+name: clever-operator
+description: A kubernetes operator that expose clever cloud's resources through custom resource definition
+type: application
+version: 0.1.0
+appVersion: "0.5.0"

deployments/kubernetes/helm/templates/NOTES.txt

@@ -0,0 +1,17 @@
+You can now deploy add-ons on Clever Cloud by creating CRDs in Kubernetes.
+
+apiVersion: api.clever-cloud.com/v1
+kind: MySql
+metadata:
+  namespace: default
+  name: mysql
+spec:
+  organisation: orga_xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+  options:
+    version: 80
+    encryption: false
+  instance:
+    region: par
+    plan: dev
+
+See https://github.com/CleverCloud/clever-operator/blob/main/docs/40-custom-resources.md for more information and configuration options

deployments/kubernetes/helm/templates/_helpers.tpl

@@ -0,0 +1,10 @@
+{{/*
+Define the cleveroperator.namespace template if set with forceNamespace or .Release.Namespace is set
+*/}}
+{{- define "cleveroperator.namespace" -}}
+{{- if .Values.forceNamespace -}}
+{{ printf "namespace: %s" .Values.forceNamespace }}
+{{- else -}}
+{{ printf "namespace: %s" .Release.Namespace }}
+{{- end -}}
+{{- end -}}

deployments/kubernetes/helm/templates/clusterrole.yaml

@@ -0,0 +1,42 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app: clever-operator
+  name: system:clever-operator
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - secrets
+  - events
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - api.clever-cloud.com
+  resources:
+  - pulsars
+  - pulsars/status
+  - mysqls
+  - mysqls/status
+  - postgresqls
+  - postgresqls/status
+  - redis
+  - redis/status
+  - mongodbs
+  - mongodbs/status
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete

deployments/kubernetes/helm/templates/clusterrolebinding.yaml

@@ -0,0 +1,15 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    app: clever-operator
+  name: system:clever-operator
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:clever-operator
+subjects:
+- kind: ServiceAccount
+  name: clever-operator
+{{ include "cleveroperator.namespace" . | indent 2 }}

deployments/kubernetes/helm/templates/configmap.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+{{ include "cleveroperator.namespace" . | indent 2 }}
+  name: clever-operator-configuration
+data:
+  config.toml: |
+    [api]
+    token = "{{ .Values.config.token }}"
+    secret = "{{ .Values.config.secret }}"
+    consumerKey = "{{ .Values.config.consumerKey }}"
+    consumerSecret = "{{ .Values.config.consumerSecret }}"