[stable/jenkins] Added slave Pod env vars (#8743)

* [stable/jenkins] Added slave Pod env vars

Signed-off-by: ecejjar <jesus.javier.arauz@ericsson.com>

* Bumped up chart version

Signed-off-by: ecejjar <jesus.javier.arauz@ericsson.com>

* Added envVars to values.yaml

Signed-off-by: ecejjar <jesus.javier.arauz@ericsson.com>

stable/jenkins/Chart.yaml

@@ -1,6 +1,6 @@
 name: jenkins
 home: https://jenkins.io/
-version: 0.29.3
+version: 0.30.0
 appVersion: lts
 description: Open source continuous integration server. It supports multiple SCM tools
   including CVS, Subversion and Git. It can execute Apache Ant and Apache Maven-based

stable/jenkins/README.md

@@ -111,6 +111,7 @@ Some third-party systems, e.g. GitHub, use HTML-formatted data in their payload
 | `Agent.Privileged`         | Agent privileged container                      | `false`                |
 | `Agent.resources`          | Resources allocation (Requests and Limits)      | `{requests: {cpu: 200m, memory: 256Mi}, limits: {cpu: 200m, memory: 256Mi}}`|
 | `Agent.volumes`            | Additional volumes                              | `nil`                  |
+| `Agent.envVars             | Environment variables for the slave Pod         | Not set                |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`.
 

stable/jenkins/templates/config.yaml

@@ -100,7 +100,14 @@ data:
                   </envVars>
                 </org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
               </containers>
-              <envVars/>
+              <envVars>
+{{- range $index, $var := .Values.Agent.envVars }}
+                <org.csanchez.jenkins.plugins.kubernetes.PodEnvVar>
+                  <key>{{ $var.name }}</key>
+                  <value>{{ $var.value }}</value>
+                </org.csanchez.jenkins.plugins.kubernetes.PodEnvVar>
+{{- end }}
+              </envVars>
               <annotations/>
 {{- if .Values.Agent.ImagePullSecret }}
               <imagePullSecrets>

stable/jenkins/values.yaml

@@ -276,6 +276,10 @@ Agent:
   # Allowed types are: ConfigMap, EmptyDir, HostPath, Nfs, Pod, Secret
   # Configure the attributes as they appear in the corresponding Java class for that type
   # https://github.com/jenkinsci/kubernetes-plugin/tree/master/src/main/java/org/csanchez/jenkins/plugins/kubernetes/volumes
+  # Pod-wide ennvironment, these vars are visible to any container in the slave pod
+  envVars:
+  # - name: PATH
+  #   value: /usr/local/bin
   volumes:
   # - type: Secret
   #   secretName: mysecret