Add ID Generator interface for generating valid IDs for Volume and Node

[davidz627]

/kind api-change
/kind feature

Fixes #103

Adds an interface for generating Volume/Node IDs that users can plug in for ID's that must conform to valid format

[davidz627]

/assign @msau42 @lpabon

[davidz627]

/cc @displague @tamalsaha @sanjid133
does this work for your issues

[k8s-ci-robot]

@davidz627: GitHub didn't allow me to request PR reviews from the following users: displague, tamalsaha, sanjid133.

Note that only kubernetes-csi members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

/cc @displague @tamalsaha @sanjid133
does this work for your issues

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[davidz627]

Tested and working with PD driver

[msau42]

We'll need to cut a new major for this, which I think is fine. Would like one more reviewer on this.

/assign @jsafrane @lpabon
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: davidz627, msau42

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [msau42]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[davidz627]

We'll need to cut a new major for this, which I think is fine. Would like one more reviewer on this.

Why is that? If this config isn't set it will default to doing the same thing as before (except with UUID's instead of just using fakevol/testvol/id etc.)

[msau42]

Oh I see, this is a new optional config argument. I think that's fine then.

[msau42]

/lgtm

[davidz627]

sweet! @msau42 @lpabon have time to cut a new release?