tree dc8ca472f44ce735ba91183428a1791f0d16654d
parent 53400f2739169693b7f1f64cf856f6d3d780d3db
parent 955d92f93d5b091700503b53eff01b29a2c2ea0a
author Kubernetes Publisher <k8s-publishing-bot@users.noreply.github.com> 1525943499 -0700
committer Kubernetes Publisher <k8s-publishing-bot@users.noreply.github.com> 1525962421 +0000

Merge pull request #63626 from roycaihw/release-1.9

Automatic merge from submit-queue.

Manual cherrypick of kube-openapi changes for release-1.9

**What this PR does / why we need it**:
Cherry-picks https://github.com/kubernetes/kube-openapi/pull/64 and https://github.com/kubernetes/kube-openapi/pull/67
Fixes bugs that make apiserver panic when aggregating valid but not well formed OpenAPI spec (with empty `Paths`/`Definitions`)

**Release note**:

```release-note
Fixes bugs that make apiserver panic when aggregating valid but not well formed OpenAPI spec
```

/cc @mbohlool
/sig api-machinery

Kubernetes-commit: 8d48604c2eca912159636be258a5e68bfc4c6643