client: keyspace client

[AmoebaProtozoa]

Added keyspace management gRPC client
Issue Number: Ref #5293

Note: In order to run tests, this PR contains changes from #5265 #5291
New Changes:
Client: under client/
Integration tests: under tests/client

What is changed and how does it work?

client: keyspace management gRPC client

Check List

Tests

• Integration Test

Code changes

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• disksing
• nolouch

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[nolouch]

@AmoebaProtozoa Could you plz resolve the conflicts?

[codecov]

Codecov Report

Base: 75.60% // Head: 75.55% // Decreases project coverage by -0.05% ⚠️

Coverage data is based on head (d2efa37) compared to base (2adb979).
Patch coverage: 62.22% of modified lines in pull request are covered.

❗ Current head d2efa37 differs from pull request most recent head 5915858. Consider uploading reports for the commit 5915858 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5297      +/-   ##
==========================================
- Coverage   75.60%   75.55%   -0.06%     
==========================================
  Files         319      320       +1     
  Lines       31534    31579      +45     
==========================================
+ Hits        23841    23858      +17     
- Misses       5652     5657       +5     
- Partials     2041     2064      +23     

Flag	Coverage Δ
unittests	75.55% <62.22%> (-0.06%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
client/client.go	69.52% <ø> (-0.11%)	⬇️
client/metrics.go	100.00% <ø> (ø)
client/keyspace_client.go	62.22% <62.22%> (ø)
pkg/tempurl/tempurl.go	45.00% <0.00%> (-15.00%)	⬇️
server/tso/local_allocator.go	64.86% <0.00%> (-6.76%)	⬇️
server/storage/storage.go	67.30% <0.00%> (-3.85%)	⬇️
pkg/etcdutil/etcdutil.go	84.88% <0.00%> (-3.49%)	⬇️
server/tso/allocator_manager.go	62.52% <0.00%> (-3.32%)	⬇️
server/schedulers/random_merge.go	61.29% <0.00%> (-3.23%)	⬇️
server/storage/endpoint/meta.go	61.36% <0.00%> (-2.28%)	⬇️
... and 19 more

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[nolouch]

lgtm

[nolouch]

/merge

[ti-chi-bot]

@nolouch: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

Details

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Details

Commit hash: d2efa37

[ti-chi-bot]

@AmoebaProtozoa: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

Details

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 ti-community-infra/tichi repository.