Linked Clone : Helpers for linked-clone

[bn023052]

What this PR does / why we need it:
These are the helpers needed for linked clone tests

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #
This includes helpers needed for linked clone tests.

1. linked_clone_concurrent_helper.go has methods needed for concurrent operation
2. linked_clone_helper.go has all other methods needed by the test

Testing done:
Yes.
https://gist.github.com/bn023052/a47a7f15ff439ad5571461c5e251d537

Special notes for your reviewer:
/Users/nayakb/go/bin/golangci-lint run --enable=lll --timeout 10m

[k8s-ci-robot]

Hi @bn023052. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[rajguptavm]

left some review comments, please address those.

[rajguptavm]

/approved

[kavyashree-r]

/approve
/LGTM

[kavyashree-r]

/retest-required

[bn023052]

/retest-required

[k8s-ci-robot]

@bn023052: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest-required

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-sigs/prow repository.

[kavyashree-r]

/retest-required

[kavyashree-r]

/retest-required

[chethanv28]

/ok-to-test
/approve
/lgtm

[kavyashree-r]

/lgtm

[k8s-ci-robot]

@bn023052: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-vsphere-csi-driver-unit-test	c06d8b7	link	true	/test pull-vsphere-csi-driver-unit-test

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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-sigs/prow repository. I understand the commands that are listed here.

[kavyashree-r]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bn023052, chethanv28, kavyashree-r, rajguptavm

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

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Needs approval from an approver in each of these files:

• tests/e2e/OWNERS [chethanv28,kavyashree-r]

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