Start VM in Harvester

[mads-hartmann]

Description

This is the initial step towards providing dedicated VMs for preview environments.

This introduces a new option with-vm for the build Werft job which will start a new VM in our Harvester cluster. This is a tiny step towards providing dedicated k3s clusters for preview environments.

For now it only boots a plain Ubuntu VM, so this is not useable by devs yet as it does not have Kubernetes running inside of it, but it gives us something to iterate on.

Related Issue(s)

Part of https://github.com/gitpod-io/harvester/issues/7

How to test

Run your job with with-vm, e.g

werft run github -f -a with-vm=true

Then in Harvester you should see the VM here.

From Harvester you can get a Serial Console. You can use that to install NGINX

sudo apt-get install nginx

And then you should be able to reach it at http://mads-communicate-with-harvester.preview.gitpod-dev.com/ where mads-communicate-with-harvester is the name of the branch.

The routing is configured in this PR.

Release Notes

NONE

Documentation

N/A

/werft with-vm

[fullmetalrooster]

We need also a service to access the VM.

apiVersion: v1
kind: Service
metadata:
  name: proxy
  namespace: preview-ubuntu # I followed the scheme of the ingress-proxy where the namespace is always staging-<BRANCH-NAME>
spec:
  ports:
    - name: ssh
      protocol: TCP
      port: 22
      targetPort: 22
    - name: http
      protocol: TCP
      port: 80
      targetPort: 80
    - name: https
      protocol: TCP
      port: 443
      targetPort: 443
    - name: kube-api
      protocol: TCP
      port: 6443
      targetPort: 6443
  selector:
    harvesterhci.io/vmName: ubuntu-01 # This is only an example. It can be any label
  type: ClusterIP

[meysholdt]

/lgtm
/approve

[roboquat]

LGTM label has been added.

Git tree hash: 4518754cf0d271a1881eb921db873744f78b1327

[roboquat]

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Associated issue: #7

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