Add grace-eviction-controller to evict cluster workload

[XiShanYongYe-Chang]

Signed-off-by: changzhen [email protected]

What type of PR is this?

/kind feature

What this PR does / why we need it:

• Add grace-eviction-period flag for karmada-controller-manager to specifies the timeout period waiting for the grace-eviction-controller performs the final removal when the workload(resource) has been moved to the graceful eviction tasks.
• Add grace-eviction-controller which performs the following two things:
  • Firstly, set the creationTimestamp for task in the binding's spec.gracefulEvictionTasks.
  • Secondly, after the task times out, delete the task from the binding's spec.gracefulEvictionTasks.

Which issue(s) this PR fixes: part #2281

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

karmada-controller-manager:  add `graceful-eviction-timeout` flag, default value: 10min
karmada-controller-manager:  add `grace-eviction-controller`

[XiShanYongYe-Chang]

/cc @RainbowMango @Garrybest

[Poor12]

Generally lgtm, only one suggestion, such as flag or controller name, I think graceful-eviction is better than grace-evition.

[XiShanYongYe-Chang]

Generally lgtm, only one suggestion, such as flag or controller name, I think graceful-eviction is better than grace-evition.

Thanks, I agree with you.

[Garrybest]

/lgtm

[XiShanYongYe-Chang]

/hold

[XiShanYongYe-Chang]

/hold cancel

[RainbowMango]

/approve

[karmada-bot]

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