Remotes Refactor

[rlizzo]

Motivation and Context

Why is this change required? What problem does it solve?:

This is a long overdue refactor and general update to the remote client/server logic. Among a lot of cleanup and simplification, this update removes two unnecessary dependencies (msgpack and pyyaml), improves remote test coverage, and offers a number of performance gains.

This is a WIP.

Description

_Describe your changes in detail

Will provide when nearing a more final state.

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• Documentation update
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Is this PR ready for review, or a work in progress?

• Ready for review
• Work in progress

How Has This Been Tested?

Put an x in the boxes that apply:

• Current tests cover modifications made
• New tests have been added to the test suite
• Modifications were made to existing tests to support these changes
• Tests may be needed, but they are not included when the PR was proposed
• I don't know. Help!

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have signed (or will sign when prompted) the tensorwork CLA.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #130 into master will increase coverage by 0.25%.
The diff coverage is 94.1%.

@@            Coverage Diff             @@
##           master     #130      +/-   ##
==========================================
+ Coverage   92.37%   92.62%   +0.25%     
==========================================
  Files          61       61              
  Lines       10333    10520     +187     
  Branches     1007     1025      +18     
==========================================
+ Hits         9545     9744     +199     
+ Misses        572      564       -8     
+ Partials      216      212       -4

Impacted Files	Coverage Δ
src/hangar/diagnostics/ecosystem.py	80% <ø> (ø)	⬆️
...gar/remote/request_header_validator_interceptor.py	62.22% <ø> (ø)	⬆️
tests/test_diff.py	99.69% <ø> (ø)	⬆️
tests/test_cli.py	100% <100%> (ø)	⬆️
src/hangar/remote/chunks.py	100% <100%> (ø)	⬆️
src/hangar/remote/content.py	97.85% <100%> (+0.02%)	⬆️
src/hangar/context.py	79.11% <100%> (+0.27%)	⬆️
tests/conftest.py	98.67% <100%> (+1.11%)	⬆️
tests/test_dataloaders.py	98.48% <100%> (+0.03%)	⬆️
...ar/remote/header_manipulator_client_interceptor.py	94.29% <100%> (ø)	⬆️
... and 8 more

[rlizzo]

Hey @hhsecond I'm brining you in on this now even though changes are still incoming. If you see anything out of place we can fix it while I work out the rest here. Do you mind giving this a review?

[hhsecond]

LGTM. I would like to give it another go tomorrow morning as well (to try it out locally - it's a big PR) but feel free to merge before that if you need to

[rlizzo]

I'll give you some time to try it out. just let me know when you're all set. This should be merged before any other PR right now because of the changes to the test suite, but i'm not in too much of a rush.

[hhsecond]

Let's merge this