Allow specifying Grafana port via command-line arguments

[negachov]

What problem does this PR solve?

The Grafana port is fixed at 3000 and cannot be changed.

What is changed and how it works?

I have made it possible to specify the Grafana port via options.

Check List

Tests

• Manual test (add detailed scripts or steps below)

  
  $ ./bin/tiup-playground --grafana.port 3333

Note: Version constraint is resolved to v8.0.0. If you'd like to use other versions:

Use exact version:      tiup playground v7.1.0
Use version range:      tiup playground ^5
Use nightly:            tiup playground nightly

Start pd instance:v8.0.0 Start tikv instance:v8.0.0 Start tidb instance:v8.0.0 Waiting for tidb instances ready 127.0.0.1:4000 ... Done Start tiflash instance:v8.0.0 Waiting for tiflash instances ready 127.0.0.1:3930 ... Done

🎉 TiDB Playground Cluster is started, enjoy!

Connect TiDB: mysql --comments --host 127.0.0.1 --port 4000 -u root TiDB Dashboard: http://127.0.0.1:2379/dashboard Grafana: http://127.0.0.1:3333

Code changes

Side effects

Related changes

 - Need to update the documentation

Release notes:
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NONE

[CLAassistant]

All committers have signed the CLA.

[ti-chi-bot[bot]]

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[ti-chi-bot[bot]]

Welcome @negachov! It looks like this is your first PR to pingcap/tiup 🎉

[bohnen]

+1 for this PR. The port 3000 is also the standard port in the Ruby on Rails community because it is the default port for running Rails in a local development environment. It is better to have an option to avoid conflicts.

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-04-14 15:48:00.951249029 +0000 UTC m=+180300.062295479: :ballot_box_with_check: agreed by breezewish.

[breezewish]

/merge

[bohnen]

@breezewish It seems it stacked at tide check. Do you know if there is anything to do before merging?

[breezewish]

@bohnen Merged manually. Thanks for the report.