engine(externalresource): configure storage only on master

[CharlesCheung96]

What problem does this PR solve?

Issue Number: ref #7304

What is changed and how it works?

1. configure storage only on master
2. fix some teses in gcrunner
3. add opts for broker.OpenStorage

Check List

Tests

• Unit test
• Integration test

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

`None`.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• GMHDBJD
• amyangfei

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[CharlesCheung96]

chaos test verified in :https://github.com/CharlesCheung96/tiflow/actions/runs/3270307081

[GMHDBJD]

rest LGTM

[CharlesCheung96]

/run-all-tests

[amyangfei]

/merge

[ti-chi-bot]

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

Commit hash: 6918c7f

[ti-chi-bot]

@CharlesCheung96: Your PR was out of date, I have automatically updated it for you.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.

[amyangfei]

/run-verify

[codecov-commenter]

Codecov Report

Merging #7390 (0693b69) into master (84ef430) will increase coverage by 0.0546%.
The diff coverage is 66.6666%.

Additional details and impacted files

Flag	Coverage Δ
cdc	67.6150% <76.9230%> (+0.1204%)	⬆️
dm	52.0143% <100.0000%> (+0.0431%)	⬆️
engine	60.6944% <18.7500%> (-0.1593%)	⬇️

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

@@               Coverage Diff                @@
##             master      #7390        +/-   ##
================================================
+ Coverage   59.7990%   59.8537%   +0.0546%     
================================================
  Files           801        803         +2     
  Lines         91968      92148       +180     
================================================
+ Hits          54996      55154       +158     
- Misses        32180      32199        +19     
- Partials       4792       4795         +3