myjenkins: Install Kubernetes plugins

[gmacario]

Fix https://github.com/gmacario/easy-jenkins/issues/288

Signed-off-by: Gianpaolo Macario gianpaolo.macario@solarma.it

[gmacario]

Locally testing on nemo (Ubuntu 18.04.1 64-bit LTS)

cd $HOME/github/gmacario/easy-jenkins
git fetch --all --prune
git checkout feature/install-kube-plugins
git pull
docker-compose pull && docker-compose build --pull --no-cache
docker-compose down
./runme.sh

[gmacario]

Browse ${JENKINS_URL}, login as user admin

Jenkins > Manage Jenkins > Configure System

• Cloud > Add a new cloud > Kubernetes
  • Name: minikube
  • Kubernetes URL: https://192.168.99.100:8443
  • Kubernetes server certificate key: (paste contents of ~/.minikube/apiserver.crt)
  • Disable https certificate check: No
  • Kubernetes Namespace: default
  • Credentials > Add > Jenkins
  • Domain: Global credentials (unrestricted)
  • Kind: Docker Host Certificate Authentication
    • Scope: Global (Jenkins, nodes, items, all child items, etc)
    • Client Key: (paste contents of ~/.minikube/client.key)
    • Client Certificate: (paste contents of ~/.minikube/client.crt)
    • Server CA Certificate: (paste contents of ~/.minikube/ca.crt)
    • ID: (empty)
    • Description: (empty)
  • Click "Add"

Click "Test Connection"

==> ERROR

Error testing connection https://192.168.99.100:8443: Failure executing: GET at: https://192.168.99.100:8443/api/v1/namespaces/default/pods. Message: pods is forbidden: User "system:anonymous" cannot list pods in the namespace "default". Received status: Status(apiVersion=v1, code=403, details=StatusDetails(causes=[], group=null, kind=pods, name=null, retryAfterSeconds=null, uid=null, additionalProperties={}), kind=Status, message=pods is forbidden: User "system:anonymous" cannot list pods in the namespace "default", metadata=ListMeta(_continue=null, resourceVersion=null, selfLink=null, additionalProperties={}), reason=Forbidden, status=Failure, additionalProperties={}).

[gmacario]

A good explanation about how to configure the Jenkins plugin for Kubernetes can be found at https://cloud.google.com/solutions/configuring-jenkins-kubernetes-engine

[gmacario]

Apart from the configuration of the Kubernetes plugin, LGTM.

Merging PR