Create external connector and local connector

[Vinay-Vinod]

Description

Adds support for external connector and local connector. Supports endpoints for:
connection.ml_connector.create()
connection.ml_connector.delete()
connection.ml_connector.list()
connection.ml_connector.search()

Issues Resolved

[List any issues this PR will resolve]
Solves [FEATURE] Support for ML Extensibility #284

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[dtaivpp]

Ooh! I'll try and test this asap! Thank you 😄

[dhrubo-os]

Can we please add corresponding tests also? Please check other functions.

[codecov]

Codecov Report

Merging #325 (4a14ec5) into main (4a8a3e7) will decrease coverage by 0.17%.
Report is 1 commits behind head on main.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##             main     #325      +/-   ##
==========================================
- Coverage   91.36%   91.19%   -0.17%     
==========================================
  Files          38       38              
  Lines        4237     4249      +12     
==========================================
+ Hits         3871     3875       +4     
- Misses        366      374       +8     

Files	Coverage Δ
opensearch_py_ml/ml_commons/ml_commons_client.py	81.14% <33.33%> (-3.52%)	⬇️

[dhrubo-os]

lint is failing. Could you please check. You should be able to run nox -s lint in your end to fix this.

[dhrubo-os]

@Vinay-Vinod are you working on this issue?

[dhrubo-os]

Are you having any issues with git? Please feel free to ask question in the slack channel if you are blocked. In addition, we need this PR to be done asap. Could you please give any ETA? Thanks.

[Vinay-Vinod]

Was having issue running the linter, but was able to fix

[dhrubo-os]

Merge conflict.

[dhrubo-os]

Any ETA to wrap up this PR? Turns out we need this support in py-ml asap. Let me know if you are available to expedite this development. Otherwise, I will try to assign this someone else. Thanks.

[Vinay-Vinod]

I dont know why I keep failing some of the linting tests, but I'm pretty sure my code is right. You can assign the issue to someone else since this is needed ASAP @dhrubo-os

[dhrubo-os]

@rawwar could you please take over this PR then?

[dhrubo-os]

@Vinay-Vinod can we close this PR in respect of this PR?

[Vinay-Vinod]

Yes of course, go ahead @dhrubo-os

[Vinay-Vinod]

Closelose this PR in respect of PR