[Container-tools] Recommendations for bootstrapping a local k8s cluster?

[James Shubin]

On Thu, 2015-05-21 at 15:34 +1000, Nick Coghlan wrote:
> Following on from my initial experimentation with helloapache, it
> quickly became clear to me that a local k8s cluster is going to be
> essential for any serious exploration of nulecule's capabilities (with
> my main aim being to see how much of
> https://beaker-project.org/docs-develop/in-a-box/ nulecule can already
> handle, and what would be needed to get it the rest of the way).
> 
> James has some Oh My Vagrant instructions at
> https://ttboj.wordpress.com/2015/05/02/kubernetes-clusters-with-oh-my-vagrant/
> 
> k8s upstream has some Vagrant based instructions at
> https://github.com/GoogleCloudPlatform/kubernetes/blob/master/docs/getting-started-guides/vagrant.md
> 
> Neither of those seem particularly appealing, so if there's a way to
> make it work I'd like something along the lines of:
I'd love to hear some specifics of what you don't find appealing about
Oh-My-Vagrant. If there are legitimate issues, we can fix them :)

> 
>     # dnf install atomic vagrant vagrant-libvirt
>     # systemctl start docker.service
>     # atomic run projectatomic/bootstrap_k8s

The funny part to me, is the approach you describe here is almost
identical to what you would have to do for oh-my-vagrant. The OMV
version is:

    # dnf install vagrant vagrant-libvirt
    # git clone https://github.com/purpleidea/oh-my-vagrant/
    # cd oh-my-vagrant/vagrant/
    # vagrant --omv-kubernetes=true up

Instead of git clone, you could replace this with an RPM.

> 
> And end up with 3 local VMs running Fedora-or-CentOS Atomic Host

And you get the same thing, although oh-my-vagrant let's you customize a
whole bunch of other things too if you want those additional features!

> 
> If this sounds like a potentially viable approach to bootstrapping, I
> *am* offering to write it (Beaker-in-a-box does something a bit like
> this already, and doing it in a privileged container means I can
> potentially reuse Beaker's Ansible scripts without making it a
> requirement to install that locally).
> 
> Cheers,
> Nick.
> 


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