Proposal: improved `func environment` command to also show local function information

[lance]

We currently have a func environment command that displays the global configuration for the function developer. Here is an example from my laptop.

func.yaml

{
  "Version": "v0.37.0-105-g4719a435",
  "GitRevision": "4719a435",
  "SpecVersion": "0.35.0",
  "SocatImage": "quay.io/boson/alpine-socat:1.7.4.3-r1-non-root",
  "TarImage": "quay.io/boson/alpine-socat:1.7.4.3-r1-non-root",
  "Languages": [
    "go",
    "node",
    "python",
    "quarkus",
    "rust",
    "springboot",
    "typescript"
  ],
  "DefaultImageBuilders": {
    "buildpacks": {
      "go": "gcr.io/paketo-buildpacks/builder:base",
      "node": "gcr.io/paketo-buildpacks/builder:base",
      "nodejs": "gcr.io/paketo-buildpacks/builder:base",
      "python": "gcr.io/paketo-buildpacks/builder:base",
      "quarkus": "gcr.io/paketo-buildpacks/builder:base",
      "rust": "gcr.io/paketo-buildpacks/builder:full-cf",
      "springboot": "gcr.io/paketo-buildpacks/builder:base",
      "typescript": "gcr.io/paketo-buildpacks/builder:base"
    },
    "s2i": {
      "node": "registry.access.redhat.com/ubi8/nodejs-16",
      "nodejs": "registry.access.redhat.com/ubi8/nodejs-16",
      "python": "registry.access.redhat.com/ubi8/python-39",
      "quarkus": "registry.access.redhat.com/ubi8/openjdk-17",
      "typescript": "registry.access.redhat.com/ubi8/nodejs-16"
    }
  },
  "Templates": {
    "go": [
      "cloudevents",
      "http"
    ],
    "node": [
      "cloudevents",
      "http"
    ],
    "python": [
      "cloudevents",
      "flask",
      "http",
      "wsgi"
    ],
    "quarkus": [
      "cloudevents",
      "http"
    ],
    "rust": [
      "cloudevents",
      "http"
    ],
    "springboot": [
      "cloudevents",
      "http"
    ],
    "typescript": [
      "cloudevents",
      "http"
    ]
  },
  "Environment": [
    "FUNC_REGISTRY=quay.io/lanceball"
  ],
  "Cluster": "https://127.0.0.1:61405",
  "Defaults": {
    "Builder": "pack",
    "Confirm": false,
    "Language": "",
    "Namespace": "default",
    "Registry": "",
    "Verbose": false
  }
}

I think the command should be improved to show information about the current function if the developer is in a function project directory or if they have used the --path or -p flags.

Information that could be provided for a specific function may primarily be the contents of func.yaml with any unspecified values in the file shown in the command output with the default value.

The information provided in this command should also include output from func describe but should not fail if there is no current cluster information, which is the current behavior of func describe.

func describe -p ~/demo/viewer
Error: Get "https://127.0.0.1:61405/apis/serving.knative.dev/v1/namespaces/default/services/viewer": dial tcp 127.0.0.1:61405: connect: connection refused

[lance]

This also could instead (or in addition) be an improvement to func describe

[nitishchauhan0022]

/assign

[lance]

/good-first-issue

[knative-prow]

@lance:
This request has been marked as suitable for new contributors.

Please ensure the request meets the requirements listed here.

If this request no longer meets these requirements, the label can be removed
by commenting with the /remove-good-first-issue command.

In response to this:

/good-first-issue

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.

[lance]

/kind good-first-issue

[lkingland]

Unassigning this due to inactivity
Please feel free to re-assign yourself @nitishchauhan0022 if you're still working on it!

[nitishchauhan0022]

Hey@lkingland Thanks for reminding. I will update the pr by tomorrow.

[nitishchauhan0022]

/assign