Bug 1806579: waits for ports before starting etcd member

[p0lyn0mial]

Because the port will be held by a different static pod during 4.3 to 4.4 upgrades, this cannot be done in an init container like the rest. Instead, it must be embedded in the etcd container itself.

This PR waits for 2379, 2380 and 9978 to be released before starting etcd instance

[p0lyn0mial]

/assign @deads2k

[openshift-ci-robot]

@p0lyn0mial: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
ci/prow/e2e-azure	4109d3b	link	/test e2e-azure

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.

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[hexfusion]

I think this is a reasonable approach.

/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hexfusion, p0lyn0mial

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[openshift-ci-robot]

@p0lyn0mial: All pull requests linked via external trackers have merged. Bugzilla bug 1806579 has been moved to the MODIFIED state.

In response to this:

Bug 1806579: waits for ports before starting etcd member

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[hexfusion]

/cherrypick release-4.4

[openshift-cherrypick-robot]

@hexfusion: new pull request created: #227

In response to this:

/cherrypick release-4.4

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