Document and return JSON data for API errors

[feloy]

What type of PR is this:

/kind bug

What does this PR do / why we need it:

Fixes the API response data for the error cases, and documents these error responses in the openapi spec

[netlify]

✅ Deploy Preview for odo-docusaurus-preview ready!

Name	Link
🔨 Latest commit	afbb946
🔍 Latest deploy log	https://app.netlify.com/sites/odo-docusaurus-preview/deploys/649befda3f72220008408422
😎 Deploy Preview	https://deploy-preview-6938--odo-docusaurus-preview.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[odo-robot]

NoCluster Tests on commit finished successfully.
View logs: TXT HTML

[odo-robot]

OpenShift Unauthenticated Tests on commit finished successfully.
View logs: TXT HTML

[odo-robot]

Unit Tests on commit finished successfully.
View logs: TXT HTML

[odo-robot]

Validate Tests on commit finished successfully.
View logs: TXT HTML

[odo-robot]

Kubernetes Tests on commit finished successfully.
View logs: TXT HTML

[odo-robot]

Windows Tests (OCP) on commit finished with errors.
View logs: TXT HTML

[odo-robot]

OpenShift Tests on commit finished successfully.
View logs: TXT HTML

[odo-robot]

Kubernetes Docs Tests on commit c0127ce finished successfully.
View logs: TXT HTML

[feloy]

/override windows-integration-test/Windows-test

[FAILED] [137.366 seconds]
odo dev command with api server tests when the component is bootstrapped when odo is executed with --no-watch and --api-server flags [BeforeEach] when a file in component directory is modified when /component/command endpoint is POSTed should trigger a push
  [BeforeEach] C:/Users/Administrator.ANSIBLE-TEST-VS/4280/tests/integration/cmd_dev_api_server_test.go:180
  [It] C:/Users/Administrator.ANSIBLE-TEST-VS/4280/tests/integration/cmd_dev_api_server_test.go:213
[...]
starterserver.go:78] Stopping the API server; encountered error: listen tcp :20000: bind: Only one usage of each socket address (protocol/network address/port) is normally permitted.

[openshift-ci]

@feloy: Overrode contexts on behalf of feloy: windows-integration-test/Windows-test

In response to this:

/override windows-integration-test/Windows-test

[FAILED] [137.366 seconds]
odo dev command with api server tests when the component is bootstrapped when odo is executed with --no-watch and --api-server flags [BeforeEach] when a file in component directory is modified when /component/command endpoint is POSTed should trigger a push
 [BeforeEach] C:/Users/Administrator.ANSIBLE-TEST-VS/4280/tests/integration/cmd_dev_api_server_test.go:180
 [It] C:/Users/Administrator.ANSIBLE-TEST-VS/4280/tests/integration/cmd_dev_api_server_test.go:213
[...]
starterserver.go:78] Stopping the API server; encountered error: listen tcp :20000: bind: Only one usage of each socket address (protocol/network address/port) is normally permitted.

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.