canonical / demos.haus

demos.haus

Getting it running

I couldn't get this running with dotrun, because the dependencies on kubectl etc. are too difficult to integrate successfully.

You'll need the following secrets:

• Jenkins
• Github access token
• Github webhook secret

You'll also need access to the demo cluster. Hopefully you might have secrets in your enigma. You'll need to merge these credentials into your ~/.kube/config file, and then also using kubectl config use-context to switch to the right context.

The only way I could get this running was by manually setting up both the Python version and the Python environment.

This first required me to install PyEnv, to get the right Python version (it won't work with Python>=3.10).

• https://github.com/pyenv/pyenv-installer

Once it's installed, get Python 3.9:

pyenv install 3.9.13
pyenv local 3.9.13

Setup the Python environment:

python3 -m venv env3
source env3/bin/activate
pip3 install -U setuptools
pip3 install -r requirements.txt

Then run the project - replace all {SOMETHING} variables:

SECRET_KEY=whatever GITHUB_WEBHOOK_SECRET={WEBHOOK_SECRET} GITHUB_ACCESS_TOKEN={GITHUB_TOKEN} JENKINS_TOKEN={JENKINS_TOKEN} JENKINS_URL=https://jenkins.canonical.com/webteam KUBECONFIG=~/.kube/config ./entrypoint 0.0.0.0:8100

If you only intend to make modifications affecting the kubernetes pods, the following should work

KUBECONFIG=~/.kube/config ./entrypoint 0.0.0.0:8100

demos.haus's Issues

“Start demo” doesn’t let me start a demo

1. Go to demos.haus
2. Choose “Start a demo”

What happens: You end up on a Jenkins page with no ability to start a demo.

What should happen: A form prompts you for a PR number or URL to start a demo.

Cron job to delete demos for closed PRs

Add a cronb in jenkins that removes demos for close PRs
Set it to run nightly

Initial webhook 500s

When I tried to set up partners.ubuntu.com, following the instructions, I see this as the first webhook call:

I think this is because GitHub sends a test webhook call, which doesn't look like the real one. But we should handle this gracefully so it doesn't look like the webhook you just set up is broken.

Why does demo disappear?

When a new commit is pushed to a PR, the demo seems to disappear for a while. This is the sort of thing that Kubernetes is supposed to avoid. Can we avoid it?

Partners database failed to spin up

https://jenkins.canonical.com/webteam/view/demos/job/start-demo/413/console

Demo is building.... after it's finished building

Sometimes the "demo is building..." image gets stuck even after the real image has completed building. This appears to happen randomly across projects and the weirdest thing is that it will sometimes just start working hours later.

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