[release-1.8] 🌱 Use number of esxi hosts as worker node count for anti-affinity e2e test

[chrischdi]

What this PR does / why we need it:

Manual cherry-pick of #2377

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

[chrischdi]

/assign @killianmuldoon

[chrischdi]

/test help

[k8s-ci-robot]

@chrischdi: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test pull-cluster-api-provider-vsphere-conformance-release-1-8
• /test pull-cluster-api-provider-vsphere-e2e-full-release-1-8
• /test pull-cluster-api-provider-vsphere-e2e-release-1-8
• /test pull-cluster-api-provider-vsphere-test-integration-release-1-8
• /test pull-cluster-api-provider-vsphere-test-release-1-8
• /test pull-cluster-api-provider-vsphere-verify-release-1-8

The following commands are available to trigger optional jobs:

• /test pull-cluster-api-provider-vsphere-apidiff-release-1-8

Use /test all to run the following jobs that were automatically triggered:

• pull-cluster-api-provider-vsphere-apidiff-release-1-8
• pull-cluster-api-provider-vsphere-e2e-release-1-8
• pull-cluster-api-provider-vsphere-test-integration-release-1-8
• pull-cluster-api-provider-vsphere-test-release-1-8
• pull-cluster-api-provider-vsphere-verify-release-1-8

In response to this:

/test help

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.

[chrischdi]

/test pull-cluster-api-provider-vsphere-e2e-full-release-1-8

[chrischdi]

/cherry-pick release-1.7

[k8s-infra-cherrypick-robot]

@chrischdi: once the present PR merges, I will cherry-pick it on top of release-1.7 in a new PR and assign it to you.

In response to this:

/cherry-pick release-1.7

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.

[killianmuldoon]

/lgtm
/approve

Thanks!

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 5aaccfd9da536c3dba249faace86f23c2cd8d2e6

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: killianmuldoon

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 [killianmuldoon]

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

[k8s-infra-cherrypick-robot]

@chrischdi: new pull request created: #2380

In response to this:

/cherry-pick release-1.7

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.