Dashboard: Setup Minikube for local development

[felipesanches]

I'm trying to setup Minikube in order to run Kubernetes locally in a VM for the purpose of faster iterations on the development of the FontBakery dashboard.

• I made sure my BIOS setup utility has Virtualization enabled.
• I also verified that my CPU has support for virtualization (vmx flag is present on /proc/cpuinfo)
• I installed kvm/qemu packages and follow all instructions at: https://github.com/kubernetes/minikube/blob/master/DRIVERS.md#kvm-driver
• I grabbed the minikube-linux-amd64 prebuilt binary and turned on its execute-flags with chmod a+x.

When running this command:

./minikube-linux-amd64 --vm-driver=kvm start

I get this error:

 Starting local Kubernetes cluster...
 Starting VM...
 E0502 17:21:19.831825    3579 start.go:116] Error starting host: Error creating new host: Driver "kvm" not found. Do you have the plugin binary accessible in your PATH?.

 Retrying.
 E0502 17:21:19.832369    3579 start.go:122] Error starting host:  Error creating new host: Driver "kvm" not found. Do you have the plugin binary accessible in your PATH?
+++ exited with 1 +++

[felipesanches]

Hmm... maybe what's missing is performing the docker-machine-kvm install instructions available here:
https://github.com/dhiltgen/docker-machine-kvm/releases

I'll try that now.

[felipesanches]

Cool! I've got minikube setup on my computer. I'll create a deploy script for an extremely reduced subset of the full collection (with a selection of just 3 or 4 families, which I think is pretty much enough for evaluating most features of the dashboard) and then I'll write a small contributors first steps guide on how to set it up for local development.

[graphicore]

Awesome, thanks!

[davelab6]

Here's a suggestion of a shortlist Roboto, roboto condensed, Ubuntu, merriweather, lobster, exo

…

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[graphicore]

I also got minikube running.

[felipesanches]

@graphicore & @davelab6

Running minikube locally we should be able to deploy the dashboard, but pushing/pulling images from/to the remote Google Container Registry is too cumbersome. In order to enable an efficient local develpment environment it would be advised to run a local container registry as well. It is not really clear how to acchieve that, by I found this blogpost which seems to deal with this exact develpment scenario, so I'm trying to setup my system the same way:

https://mtpereira.com/local-development-k8s.html

If that makes sense, we may host similar yaml setup files in the fontbakery repo accompained with usage instructions on README.md.

[davelab6]

Sounds good

[graphicore]

I'm trying to figure these things out as well. It's a good learning experience :-), good to get into Kubernetes and good to get an understanding how Docker and Kubernetes interact.

Here's a similar post: https://thenewstack.io/tutorial-configuring-ultimate-development-environment-kubernetes/

[graphicore]

Here's a not so obvious one:

Running in the shell:

$ minikube service flaskapp-service

opens for me the local web frontend in the browser.

even though:

$ kubectl get services flaskapp-service

reports EXTERNAL-IP as <pending>

Similarly:

$ minikube dashboard

opens the Kubernetes Dashboard in the browser, very helpful thing.

[graphicore]

Closing this, continue here: googlefonts/fontbakery-dashboard#3