kube-scheduler-wasm-extension

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Support `framework.Handle`

25

The scheduler exports `framework.Handle` to the plugins so that they can operate something on the framework side. https://github.com/kubernetes/kubernetes/blob/add482a2d31db938f3dca87920313db9d1780cf5/pkg/scheduler/framework/interface.go#L601 Some functions don't need to be implemented though, we should support the...

sanposhiho

github action `testdata` might have a issue.

2

**What happened**: There might be several issues. 1 `testdata` action might not fail because there is no command checking if the PR includes all wasm files, like `git diff --exit-code`....

Gekko0114

Decide if plugin functions should have a context.Context

8

**What would you like to be added**: We should consider if context parameters should exist on plugin callbacks before formalizing the SDK. Notes : * This is an SDK only...

codefromthecrypt

cache Node data via single unified Node data

7

The Pod is cached in one scheduling cycle. https://github.com/kubernetes-sigs/kube-scheduler-wasm-extension/blob/main/guest/internal/cyclestate/cyclestate.go#L17-L19 And we can do the similar with Nodes. There are currently two types for Nodes. - nodeList in PreScore https://github.com/kubernetes-sigs/kube-scheduler-wasm-extension/blob/main/guest/prescore/prescore.go#L93 -...

sanposhiho

Grow examples

4

We have a few examples only for very basic usecases. On the other hand, we have almost all the features the scheduling framework has. The scheduling framework is well created...

sanposhiho

Import scheduler_perf from Kubernetes repository rather than maintaining a copy

15

We have a performance test for our scheduler in https://github.com/kubernetes-sigs/kube-scheduler-wasm-extension/tree/main/internal/e2e/scheduler_perf. The scheduler_perf is importable now, we no longer need to maintain the copy. https://github.com/kubernetes/kubernetes/pull/119079 /kind cleanup

sanposhiho

Test framework support

10

**What would you like to be added**: We should have a test framework to run test suit each time we have new PRs. This requires the support from [test infra](https://github.com/kubernetes/test-infra)...

kerthcet

Support QueueSort

4

QueueSort is used to build a priority queue in the scheduler to determine which Pod should be scheduled first. `Less` is called very frequently and if we implemented [`QueueSortPlugin`](https://github.com/kubernetes/kubernetes/blob/12fc215656f670dc211f5817797968d74977877e/pkg/scheduler/framework/interface.go#L354) as...

sanposhiho

[Documentation/user guide] How to maintain your wasm plugins

4

/kind documentation It describes how users maintain their wasm plugins. It'd contain how this project follows the Kubernetes version upgrades, how users deal with the breaking changes in our ABI,...

sanposhiho

Support PrefilterExtensions

12

#### What type of PR is this? /kind feature /kind api-change #### What this PR does / why we need it: Added `PrefilterExtensions` #### Which issue(s) this PR fixes: Fixes...

chansuke