resource_manager: implement the metrics info collecting

[JmPotato]

Signed-off-by: JmPotato ghzpotato@gmail.com

What problem does this PR solve?

Issue Number: ref #5854.

What is changed and how does it work?

Collect the resource group consumption info and use Prometheus to observe it.

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: 75.35% // Head: 75.41% // Increases project coverage by +0.06% 🎉

Coverage data is based on head (5eb5e83) compared to base (b2a0532).
Patch coverage: 49.05% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5855      +/-   ##
==========================================
+ Coverage   75.35%   75.41%   +0.06%     
==========================================
  Files         340      341       +1     
  Lines       34290    34339      +49     
==========================================
+ Hits        25838    25898      +60     
+ Misses       6225     6213      -12     
- Partials     2227     2228       +1     

Flag	Coverage Δ
unittests	75.41% <49.05%> (+0.06%)	⬆️

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

Impacted Files	Coverage Δ
pkg/mcs/resource_manager/server/manager.go	59.80% <29.72%> (-17.12%)	⬇️
pkg/mcs/resource_manager/server/grpc_service.go	79.72% <88.88%> (+1.46%)	⬆️
pkg/mcs/resource_manager/server/metrics.go	100.00% <100.00%> (ø)
pkg/errs/errs.go	75.00% <0.00%> (-25.00%)	⬇️
pkg/utils/tempurl/tempurl.go	45.00% <0.00%> (-15.00%)	⬇️
pkg/utils/metricutil/metricutil.go	82.75% <0.00%> (-10.35%)	⬇️
server/schedule/hbstream/heartbeat_streams.go	78.78% <0.00%> (-2.03%)	⬇️
server/region_syncer/client.go	85.07% <0.00%> (-1.50%)	⬇️
server/tso/tso.go	69.66% <0.00%> (-1.13%)	⬇️
server/server.go	74.36% <0.00%> (-0.77%)	⬇️
... and 17 more

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[CabinfeverB]

We can send consumption to consumptionDispatcher passing by AcquireTokenBuckets

[CabinfeverB]

rest LGTM

[nolouch]

lgtm

[JmPotato]

/merge

[ti-chi-bot]

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/run-all-tests

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[ti-chi-bot]

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

Commit hash: ec501e7