Expose latestCreatedRevisionName as output

[kosta]

TL;DR

When I deploy a service, I want to know which revision was deployed so that I can run downstream checks about it (e.g. is it ready?)

Detailed design

When invoking the cloud run command-line with format json (as this action does), the status output looks somewhat like this:

{
  "@type": "type.googleapis.com/google.cloud.run.v1.Service",
  "apiVersion": "serving.knative.dev/v1",
  "kind": "Service",
...
  "status": {
    "address": {
      "url": "https://foo.a.run.app"
    },
    "conditions": [...],
    "latestCreatedRevisionName": "foo-00005-vdk",
    "latestReadyRevisionName": "foo-00005-vdk",
    "observedGeneration": 5,
    "traffic": [
      {
        "latestRevision": true,
        "percent": 100,
        "revisionName": "foo-00005-vdk"
      }
    ],
    "url": "https://foo.run.app"
  }
}

Currently, according to the README, only the url is exposed as output. If the latestCreatedRevisionName was exposed as well, it could be used to do downstream checks for that specific revision.

Additional information

Would you accept a PR?

[preritdas]

+1 this would be extremely useful, especially when updating traffic in a subsequent step. Having an output for the created revision name would allow one to then have a step allocating all traffic to the newly deployed revision using the --to-revisions flag of gcloud run services update-traffic.

https://cloud.google.com/sdk/gcloud/reference/run/services/update-traffic

[preritdas]

+1 this would be extremely useful, especially when updating traffic in a subsequent step. Having an output for the created revision name would allow one to then have a step allocating all traffic to the newly deployed revision using the --to-revisions flag of gcloud run services update-traffic.

https://cloud.google.com/sdk/gcloud/reference/run/services/update-traffic

Any thoughts on this @sethvargo?

[sethvargo]

Sure! PRs welcome. We'd need to pull it from the gcloud output

[preritdas]

Sure! PRs welcome. We'd need to pull it from the gcloud output

Thanks @sethvargo, will open a PR.