Add datasources CLI stubs

[teodor-yanev]

Summary

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Explain the rationale and any background necessary for understanding the changes.
List dependencies required by this change, if any.

Fixes https://github.com/stacklok/minder-stories/issues/135

Change Type

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• Bug fix (resolves an issue without affecting existing features)
• Feature (adds new functionality without breaking changes)
• Breaking change (may impact existing functionalities or require documentation updates)
• Documentation (updates or additions to documentation)
• Refactoring or test improvements (no bug fixes or new functionality)

Testing

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Review Checklist:

• Reviewed my own code for quality and clarity.
• Added comments to complex or tricky code sections.
• Updated any affected documentation.
• Included tests that validate the fix or feature.
• Checked that related changes are merged.

[coveralls]

coverage: 54.585% (-0.04%) from 54.627%
when pulling 41592cd on add-datasources-cli-stubs
into c8469dd on main.

[teodor-yanev]

We can ignore the "proto-breaking-changes" check as the code is not used and still under development.

[JAORMX]

We need to use ParseResourceProto instead. This won't work because of the oneof usage.

[JAORMX]

Interesting, do we need the Context here since we have it as part of the DataSource?

[teodor-yanev]

That's true, I missed this. Thanks

[teodor-yanev]

---Testing locally---

Results are as expected:

./bin/minder datasource get -n something
WARNING: Running against a test environment (127.0.0.1) and may not be stable
Message: Failed to get data source
Details: The service is currently unavailable
This is a most likely a transient condition and may be corrected
by retrying with a backoff.

./bin/minder datasource get
WARNING: Running against a test environment (127.0.0.1) and may not be stable
Usage:
  minder datasource get [flags]

Flags:
  -h, --help            help for get
  -i, --id string       ID of the data source to get info from
  -n, --name string     Name of the data source to get info from
  -o, --output string   Output format (one of json,yaml,table) (default "table")

Global Flags:
      --config string            Config file (default is $PWD/config.yaml)
      --grpc-host string         Server host (default "api.stacklok.com")
      --grpc-insecure            Allow establishing insecure connections
      --grpc-port int            Server port (default 443)
      --identity-client string   Identity server client ID (default "minder-cli")
      --identity-url string      Identity server issuer URL (default "https://auth.stacklok.com")
  -v, --verbose                  Output additional messages to STDERR

Details: at least one of the flags in the group [id name] is required

./bin/minder datasource list
WARNING: Running against a test environment (127.0.0.1) and may not be stable
Message: Failed to list data sources
Details: The service is currently unavailable
This is a most likely a transient condition and may be corrected
by retrying with a backoff.

./bin/minder datasource create
WARNING: Running against a test environment (127.0.0.1) and may not be stable
Usage:
  minder datasource create [flags]

Flags:
  -f, --file stringArray   Path to the YAML defining the data source (or - for stdin). Can be specified multiple times. Can be a directory.
  -h, --help               help for create

Global Flags:
      --config string            Config file (default is $PWD/config.yaml)
      --grpc-host string         Server host (default "api.stacklok.com")
      --grpc-insecure            Allow establishing insecure connections
      --grpc-port int            Server port (default 443)
      --identity-client string   Identity server client ID (default "minder-cli")
      --identity-url string      Identity server issuer URL (default "https://auth.stacklok.com")
  -v, --verbose                  Output additional messages to STDERR

Details: required flag(s) "file" not set

./bin/minder datasource delete -n something
WARNING: Running against a test environment (127.0.0.1) and may not be stable
Message: Failed to delete data source
Details: The service is currently unavailable
This is a most likely a transient condition and may be corrected
by retrying with a backoff.

Server message

"exception.message":"rpc error: code = Unavailable desc = DataSources feature is disabled"

@JAORMX Thanks for #5025