scheduler

README

coscheduler-same-node

The repo is for trying to implements such a scheduler: https://github.com/tektoncd/pipeline/issues/3052

Installation

ko apply -f config/

Take a try

kubectl create -f examples/pods.yaml

Description

The scheduler is based on Scheduler plugin framework

Use special labels of pod to mark the group of pods.

labels:
     pod-group.scheduling.sigs.k8s.io/name: test
     pod-group.scheduling.sigs.k8s.io/total: "2"

The pods in same pod-group will be scheduler to same node if the node can satisfy the resource requirement of whole group, or all pods in the group will pending.