scheduler: replace move-hot-read-peer with move-hot-read-leader

[lhy1024]

What problem does this PR solve?

close #3649

it can be reviewed after #3658

What is changed and how it works?

replace move-hot-read-peer with move-hot-read-leader

Check List

Tests

• Unit test
• Integration test

Release note

[codecov]

Codecov Report

Merging #3657 (86749ad) into master (1faef48) will decrease coverage by 0.03%.
The diff coverage is 100.00%.

❗ Current head 86749ad differs from pull request most recent head 7c7b62a. Consider uploading reports for the commit 7c7b62a to get more accurate results

@@            Coverage Diff             @@
##           master    #3657      +/-   ##
==========================================
- Coverage   74.78%   74.75%   -0.04%     
==========================================
  Files         245      245              
  Lines       24238    24248      +10     
==========================================
  Hits        18126    18126              
- Misses       4505     4513       +8     
- Partials     1607     1609       +2     

Flag	Coverage Δ
unittests	74.75% <100.00%> (-0.04%)	⬇️

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

Impacted Files	Coverage Δ
server/schedulers/hot_region.go	81.01% <100.00%> (+0.33%)	⬆️
pkg/tempurl/tempurl.go	45.00% <0.00%> (-15.00%)	⬇️
server/tso/global_allocator.go	71.65% <0.00%> (-7.09%)	⬇️
server/region_syncer/client.go	78.19% <0.00%> (-4.52%)	⬇️
server/schedulers/random_merge.go	60.00% <0.00%> (-3.34%)	⬇️
server/election/leadership.go	87.05% <0.00%> (-2.36%)	⬇️
server/core/storage.go	67.68% <0.00%> (-0.77%)	⬇️
server/cluster/cluster.go	82.88% <0.00%> (-0.49%)	⬇️
server/grpc_service.go	47.62% <0.00%> (-0.46%)	⬇️
server/schedule/operator/step.go	67.44% <0.00%> (-0.34%)	⬇️
... and 10 more

---

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[rleungx]

Actually, I think adding a new opType is better. But I'm ok with the current implementation.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• Yisaer
• rleungx

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After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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[lhy1024]

/merge

[ti-chi-bot]

@lhy1024: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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.

[ti-chi-bot]

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

Commit hash: ad4720a

[ti-chi-bot]

@lhy1024: 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.

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.

[sonarcloud]

SonarCloud Quality Gate failed.

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
7.0% Duplication

[JmPotato]

/run-all-tests