[lxc-users] Kubernetes Storage Provisioning using LXD

[Adam Stokes]

Cross posting to juju lists. It is my understanding that if you add ceph
units to your juju environment or setup an NFS export that kubernetes can
make use of both of those. Someone from the containers team would know more.

On Thu, Feb 16, 2017 at 3:08 PM Eric <naisanza at gmail.com> wrote:

> That's is what I've also been trying to do
>
> Kubernetes has a list of supported persistent volume types, of which the
> only one's that aren't cloud-based that I've tried are NFS, CephFS,
> Glusterfs, and HostPath
>
>
> https://kubernetes.io/docs/user-guide/persistent-volumes/#types-of-persistent-volumes
>
> With LXC + ZFS you can't:
>
> - provide a raw block device (/dev/sad) to heketi, or a loopback device
> (/dev/loop0). so glusterfs is out of the picture (
> https://github.com/heketi/heketi/issues/665)
> - cephfs is like glusterfs, so cephfs is out
> - NFS requires kernel modules, so nfs is out
> - HostPath doesn't work over multiple nodes
>
> So your only option is to use KVM
>
> I use Proxmox. I knew LXC/LXD wasn't going to be able to fulfill what I
> needed to do on a single server, so I looked for a hypervisor that had a
> polished UI for creating both LXC and KVM VM
>
> I'm still going to go with glusterfs, which will also need heketi, and
> will be running it in a fedora kvm. And the using it as a persistent volume
> for kubernetes
>
>
>
>
> On Wed, Feb 15, 2017 at 4:16 AM, Butch Landingin <butchland at gmail.com>
> wrote:
>
> Hi all,
>
> I've been trying out Canonical Kubernetes via conjure-up and juju charms on
> a local LXD cluster. Following the tutorials, I've set up the cluster
> running on lxd with a zfs file system.
>
> Everything's been great and I've pretty much exhausted the tutorials
> (running microbot, etc).
>
> I'm now at the point where I want to try provisioning some persistent
> volumes or even trying
> dynamic storage allocation.
>
> By this time, I'm 99 percent sure the answer is no (and I've searched
> extensively) ,
> but is there anyway to create Kubernetes persistent volumes on a multi
> node set up (not using hostpath)
> on a local LXD cluster?
>
> If there isn't,  does Canonical have this in their roadmap?
>
> Best regards,
> Butch
>
>
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