*: write RU model config into the storage

[JmPotato]

What problem does this PR solve?

Issue Number: ref #6038.

What is changed and how does it work?

- Introduce the RU model config.
- Write the RU model config into the storage while initializing the resource manager.

Check List

Tests

• Unit test
• Integration test

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• CabinfeverB
• nolouch

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[codecov]

Codecov Report

Base: 74.84% // Head: 74.98% // Increases project coverage by +0.13% 🎉

Coverage data is based on head (36a05e8) compared to base (10eeab1).
Patch coverage: 74.19% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6041      +/-   ##
==========================================
+ Coverage   74.84%   74.98%   +0.13%     
==========================================
  Files         368      368              
  Lines       36642    36661      +19     
==========================================
+ Hits        27425    27489      +64     
+ Misses       6816     6782      -34     
+ Partials     2401     2390      -11     

Flag	Coverage Δ
unittests	74.98% <74.19%> (+0.13%)	⬆️

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

Impacted Files	Coverage Δ
client/resource_group/controller/config.go	37.50% <0.00%> (ø)
client/resource_group/controller/controller.go	61.61% <ø> (ø)
pkg/storage/endpoint/key_path.go	94.82% <ø> (ø)
pkg/mcs/resource_manager/server/config.go	15.27% <62.50%> (+13.58%)	⬆️
pkg/mcs/resource_manager/server/manager.go	80.76% <83.33%> (+0.24%)	⬆️
pkg/mcs/resource_manager/server/grpc_service.go	68.60% <100.00%> (ø)
pkg/mcs/resource_manager/server/install/install.go	100.00% <100.00%> (ø)
pkg/mcs/resource_manager/server/server.go	48.76% <100.00%> (+0.31%)	⬆️
pkg/storage/endpoint/resource_group.go	85.71% <100.00%> (+2.38%)	⬆️
server/config/config.go	75.87% <100.00%> (+0.05%)	⬆️
... and 27 more

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[nolouch]

rest lgtm

[HuSharp]

LGTM

[ti-chi-bot]

@HuSharp: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments.

In response to this:

LGTM

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[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

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[ti-chi-bot]

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

Commit hash: 60ad71c