cluster: support tikv-worker

[Lloyd-Pottiger]

What problem does this PR solve?

close #xxx

What is changed and how it works?

Support tikv-worker in TiUP Cluster.

Since there is no tikv-worker package right now, we need to scp tikv-worker binary to tikv-work deploy dir manually.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign bb7133 for approval. For more information see the Code Review Process.
Please ensure that each of them provides their approval before proceeding.

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov-commenter]

Codecov Report

❌ Patch coverage is 7.58621% with 134 lines in your changes missing coverage. Please review.
✅ Project coverage is 42.17%. Comparing base (7d025cb) to head (ff3f264).

Files with missing lines	Patch %	Lines
pkg/cluster/spec/tikv_worker.go	6.14%	106 Missing and 1 partial ⚠️
pkg/cluster/template/scripts/tikv_worker.go	0.00%	12 Missing ⚠️
pkg/cluster/task/update_meta.go	0.00%	6 Missing ⚠️
pkg/cluster/spec/monitoring.go	0.00%	5 Missing ⚠️
pkg/cluster/template/config/prometheus.go	0.00%	3 Missing ⚠️
pkg/cluster/spec/spec.go	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2677      +/-   ##
==========================================
+ Coverage   42.15%   42.17%   +0.02%     
==========================================
  Files         424      426       +2     
  Lines       46888    47033     +145     
==========================================
+ Hits        19764    19833      +69     
- Misses      24473    24534      +61     
- Partials     2651     2666      +15     

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[Lloyd-Pottiger]

/cc @xhebox @breezewish

[xhebox]

  // For some repos (e.g. internal ones), tikv-worker can be packaged as anextra binary inside the `tikv` component. Prefer checking with  `bin/tikv-worker` when it exists, otherwise fall back to the component's default entry.

The comment is true. Isn't this break that behavior?

[Lloyd-Pottiger]

  // For some repos (e.g. internal ones), tikv-worker can be packaged as anextra binary inside the `tikv` component. Prefer checking with  `bin/tikv-worker` when it exists, otherwise fall back to the component's default entry.

The comment is true. Isn't this break that behavior?

http://tiup.pingcap.net:8988/ tikv-worker is an independent package.