Store & report code coverage data

[arschles]

After #63, we'll have tests running with code coverage, but we won't (yet) have a place to send that coverage data or surface it to developers. If we get that, it will allow developers to make measurable gains on test coverage in each PR.

We've used codecov.io successfully in the past. Here is an example for how to send coverage data up to the service.

[fejta-bot]

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/lifecycle stale

[fejta-bot]

Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten.
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/lifecycle rotten

[fejta-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle stale

[fejta-bot]

Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten.
Rotten issues close after an additional 30d of inactivity.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle rotten

[mszostok]

/remove-lifecycle rotten
/lifecycle frozen

[MushuEE]

https://testgrid.k8s.io/sig-testing-canaries#ci-kubernetes-coverage-unit k8s coverage dashboard example

[mrbobbytables]

This project is being archived, closing open issues and PRs.
Please see this PR for more information: kubernetes/community#6632

/close

[k8s-ci-robot]

@mrbobbytables: Closing this issue.

In response to this:

This project is being archived, closing open issues and PRs.
Please see this PR for more information: kubernetes/community#6632

/close

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