koord-descheduler: implement descheduling framework

[eahydra]

Signed-off-by: Joseph joseph.t.lee@outlook.com

Ⅰ. Describe what this PR does

implement #196 #213

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Merging #423 (9d60728) into main (827bd6b) will increase coverage by 1.02%.
The diff coverage is 87.46%.

@@            Coverage Diff             @@
##             main     #423      +/-   ##
==========================================
+ Coverage   66.75%   67.77%   +1.02%     
==========================================
  Files         128      134       +6     
  Lines       13579    14297     +718     
==========================================
+ Hits         9064     9690     +626     
- Misses       3824     3893      +69     
- Partials      691      714      +23     

Flag	Coverage Δ
unittests	67.77% <87.46%> (+1.02%)	⬆️

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

Impacted Files	Coverage Δ
pkg/descheduler/utils/predicates.go	80.57% <80.57%> (ø)
pkg/descheduler/pod/pods.go	85.71% <85.71%> (ø)
pkg/descheduler/node/node.go	86.04% <86.04%> (ø)
pkg/descheduler/evictions/evictions.go	90.90% <90.90%> (ø)
pkg/descheduler/utils/pod.go	96.96% <96.96%> (ø)
pkg/descheduler/utils/priority.go	100.00% <100.00%> (ø)
pkg/koordlet/runtimehooks/reconciler/reconciler.go	78.94% <0.00%> (-2.11%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 827bd6b...9d60728. Read the comment docs.

[hormes]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [hormes]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment