chore: introduce the instance crd

[leon-inf]

No description provided.

[apecloud-bot]

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[leon-inf]

/nopick

[codecov]

Codecov Report

❌ Patch coverage is 54.61821% with 1361 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.62%. Comparing base (f8afb5a) to head (532f11a).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...controller/instance/reconciler_assistant_object.go	6.75%	136 Missing and 2 partials ⚠️
pkg/controller/builder/builder_instance.go	0.00%	117 Missing ⚠️
.../controller/instanceset2/assistant_object_utils.go	6.61%	112 Missing and 1 partial ⚠️
pkg/controller/instance/in_place_update_utils.go	52.13%	88 Missing and 24 partials ⚠️
pkg/controller/instanceset2/instance_util.go	57.25%	92 Missing and 17 partials ⚠️
pkg/controller/instance/utils.go	60.16%	81 Missing and 15 partials ⚠️
pkg/controller/instanceset2/update_plan.go	43.57%	76 Missing and 3 partials ⚠️
pkg/controller/instanceset2/reconciler_status.go	74.43%	51 Missing and 17 partials ⚠️
pkg/controller/instance/reconciler_update.go	60.86%	45 Missing and 18 partials ⚠️
pkg/controller/instance/pod_role_event_handler.go	10.44%	60 Missing ⚠️
... and 25 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9546      +/-   ##
==========================================
- Coverage   59.94%   59.62%   -0.32%     
==========================================
  Files         518      551      +33     
  Lines       56636    59931    +3295     
==========================================
+ Hits        33948    35734    +1786     
- Misses      19636    20936    +1300     
- Partials     3052     3261     +209     

Flag	Coverage Δ
unittests	59.62% <54.61%> (-0.32%)	⬇️

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[cjc7373]

What's the main advantage of introducing the new instance api?

[zjx20]

The code was introduced by #8151. I think it's still useful.

[leon-inf]

It is not supported within the instance API.

[zjx20]

Why are tolerations ignored?

[leon-inf]

What's the main advantage of introducing the new instance api?

The Instance API enables consolidated management of resources and states associated with a single replica – some of which are currently scattered across different controllers. This in turn simplifies the management of replicas across multiple k8s clusters.

[leon-inf]

/approve