[WIP] storageos: Add compute-only deployment support

[darkowlzz]

No description provided.

[croomes]

I'm not sure I like having separate DaemonSets for compute and storage nodes. We should be able to pass selectors and determine dynamically? This may be ok for now, but let's have a look at whether the current label implementation should be revised.

[croomes]

Now that k8s node labels are passed to StorageOS, we should be able to set storageos.com/deployment=computeonly on the k8s nodes to enable compute only. This lets us have a single DaemonSet with mixed node configs. This wasn't clear in the docs before (fixed recently) https://docs.storageos.com/docs/reference/labels

[avestuk]

storageos.com/deployment=computeonly is passed to StorageOS from k8s node labels. This does allow us to do mixed deployments with a single Daemonset.