server: use leader lease to determine tso service validity #1676

[nolouch]

Signed-off-by: nolouch nolouch@gmail.com

What problem does this PR solve?

pick #1676

What is changed and how it works?

cherry-pick

Check List

Tests

• Integration test

[nolouch]

/run-all-tests

[nolouch]

/run-all-tests

[AndreMouche]

/merge

[sre-bot]

/run-all-tests

[sre-bot]

@nolouch merge failed.

[nolouch]

/rebuild

[AndreMouche]

/merge

[sre-bot]

/run-all-tests

[sre-bot]

@nolouch merge failed.

[nolouch]

/run-all-tests

[codecov-io]

Codecov Report

Merging #2117 into release-3.0 will decrease coverage by 0.05%.
The diff coverage is 84.04%.

@@               Coverage Diff               @@
##           release-3.0    #2117      +/-   ##
===============================================
- Coverage        69.69%   69.64%   -0.06%     
===============================================
  Files              170      171       +1     
  Lines            16825    16889      +64     
===============================================
+ Hits             11727    11763      +36     
- Misses            4131     4154      +23     
- Partials           967      972       +5

Impacted Files	Coverage Δ
server/server.go	81.19% <ø> (ø)	⬆️
server/grpc_service.go	58.38% <0%> (-0.47%)	⬇️
server/tso.go	79.38% <50%> (+2.78%)	⬆️
server/leader.go	77.91% <81.81%> (-2.9%)	⬇️
server/lease.go	92.18% <92.18%> (ø)
pkg/testutil/operator_check.go	83.33% <0%> (-16.67%)	⬇️
client/client.go	71.81% <0%> (-3.14%)	⬇️
server/schedule/operator.go	86.93% <0%> (-0.65%)	⬇️
server/cluster.go	81.72% <0%> (-0.51%)	⬇️
... and 8 more

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[nolouch]

/run-all-tests

[nolouch]

/run-all-tests