[release-4.6] overlay: set vSphere hostname fetched from Afterburn

[openshift-cherrypick-robot]

This is an automated cherry-pick of #31

/assign vrutkovs

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: openshift-cherrypick-robot
To complete the pull request process, please assign vrutkovs after the PR has been reviewed.
You can assign the PR to them by writing /assign @vrutkovs in a comment when ready.

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

Details

Needs approval from an approver in each of these files:

• OWNERS

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

[vrutkovs]

/test e2e-vsphere

[openshift-merge-robot]

@openshift-cherrypick-robot: The following tests failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
ci/prow/e2e-vsphere	5dd457b	link	/test e2e-vsphere
ci/prow/e2e-aws	5dd457b	link	/test e2e-aws

Full PR test history. Your PR dashboard.

Details

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. I understand the commands that are listed here.

[vrutkovs]

Nah, this doesn't seem to help