Use StatefulSet instead of Deployment

Signed-off-by: Dylan Piergies <[email protected]>

stable/jenkins/README.md

@@ -11,7 +11,6 @@ Inspired by the awesome work of Carlos Sanchez <mailto:[email protected]>
 This chart will do the following:
 
 * 1 x Jenkins Master with port 8080 exposed on an external LoadBalancer
-* All using Kubernetes Deployments
 
 ## Installing the Chart
 
@@ -140,7 +139,7 @@ The following tables list the configurable parameters of the Jenkins chart and t
 | `master.useSecurity`              | Use basic security                   | `true`                                    |
 | `master.securityRealm`            | Jenkins XML for Security Realm       | XML for `LegacySecurityRealm`             |
 | `master.authorizationStrategy`    | Jenkins XML for Authorization Strategy | XML for `FullControlOnceLoggedInAuthorizationStrategy` |
-| `master.deploymentLabels`         | Custom Deployment labels             | Not set                                   |
+| `master.statefulSetLabels`        | Custom StatefulSet labels            | Not set                                   |
 | `master.serviceLabels`            | Custom Service labels                | Not set                                   |
 | `master.podLabels`                | Custom Pod labels                    | Not set                                   |
 | `master.adminUser`                | Admin username (and password) created as a secret if useSecurity is true | `admin` |

stable/jenkins/templates/deprecation.yaml

@@ -42,7 +42,7 @@
         {{- end }}
 
         {{- if .Values.Master.DeploymentLabels }}
-           {{ fail "`Master.DeploymentLabels` does no longer exist. It has been renamed to `master.deploymentLabels`" }}
+           {{ fail "`Master.DeploymentLabels` does no longer exist. It has been renamed to `master.statefulSetLabels`" }}
         {{- end }}
 
         {{- if .Values.Master.ServiceLabels }}

stable/jenkins/templates/jenkins-master-deployment.yaml → stable/jenkins/templates/jenkins-master-statefulset.yaml

@@ -3,7 +3,7 @@ apiVersion: apps/v1
 {{- else }}
 apiVersion: apps/v1beta1
 {{- end }}
-kind: Deployment
+kind: StatefulSet
 metadata:
   name: {{ template "jenkins.fullname" . }}
   namespace: {{ template "jenkins.namespace" . }}
@@ -13,20 +13,16 @@ metadata:
     "app.kubernetes.io/managed-by": "{{ .Release.Service }}"
     "app.kubernetes.io/instance": "{{ .Release.Name }}"
     "app.kubernetes.io/component": "{{ .Values.master.componentName }}"
-    {{- range $key, $val := .Values.master.deploymentLabels }}
+    {{- range $key, $val := .Values.master.statefulSetLabels }}
     {{ $key }}: {{ $val | quote }}
     {{- end}}
   {{- if .Values.master.deploymentAnnotations }}
   annotations:
 {{ toYaml .Values.master.deploymentAnnotations | indent 4 }}
   {{- end }}
 spec:
+  serviceName: {{ template "jenkins.fullname" . }}
   replicas: 1
-  strategy:
-    type: {{ if .Values.persistence.enabled }}Recreate{{ else }}RollingUpdate
-    rollingUpdate:
-{{ toYaml .Values.master.rollingUpdate | indent 6 }}
-    {{- end }}
   selector:
     matchLabels:
       "app.kubernetes.io/component": "{{ .Values.master.componentName }}"

stable/jenkins/values.yaml

@@ -112,10 +112,6 @@ master:
   # This values should not be changed unless you use your custom image of jenkins or any devired from. If you want to use
   # Cloudbees Jenkins Distribution docker, you should set jenkinsRef: "/usr/share/cloudbees-jenkins-distribution/ref"
   jenkinsRef: "/usr/share/jenkins/ref"
-  rollingUpdate: {}
-  # Ignored if Persistence is enabled
-  # maxSurge: 1
-  # maxUnavailable: 25%
   resources:
     requests:
       cpu: "50m"
@@ -150,7 +146,7 @@ master:
   # Jenkins master service annotations
   serviceAnnotations: {}
   # Jenkins master custom labels
-  deploymentLabels: {}
+  statefulSetLabels: {}
   #   foo: bar
   #   bar: foo
   # Jenkins master service labels