Bug 1887941

Summary: Kube-scheduler should be able to parse v1beta1 KubeSchedulerConfig
Product: OpenShift Container Platform Reporter: Mike Dame <mdame>
Component: kube-schedulerAssignee: Mike Dame <mdame>
Status: CLOSED ERRATA QA Contact: RamaKasturi <knarra>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 4.6.zCC: aos-bugs, knarra, mfojtik
Target Milestone: ---   
Target Release: 4.6.z   
Hardware: Unspecified   
OS: Unspecified   
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Story Points: ---
Clone Of: 1887936
: 1887942 (view as bug list) Environment:
Last Closed: 2020-10-27 16:47:52 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1887936    
Bug Blocks: 1887942    

Description Mike Dame 2020-10-13 15:52:51 UTC 
+++ This bug was initially created as a clone of Bug #1887936 +++

The kube-scheduler (and operator) should be able to parse v1beta1 KubeSchedulerConfiguration types as v1alpha1 and v1alpha2 have been deprecated

Note: This bug has been created in order to submit a valid BZ for a 4.5 backport of existing functionality in master. It should already be verifiable by confirming that there are no errors in the kube-scheduler logs that look like this:

> no kind \"KubeSchedulerConfiguration\" is registered for version \"kubescheduler.config.k8s.io/v1beta1\" in scheme \"k8s.io/kubernetes/pkg/scheduler/apis/config/scheme/scheme.go:31\"
Comment 3 RamaKasturi 2020-10-14 10:06:55 UTC 
Verified bug with the payload below and see that KubeSchedulerConfiguration version is kubescheduler.config.k8s.io/v1beta1 and --config option for kube-scheduler points to --config=/etc/kubernetes/static-pod-resources/configmaps/config/config.yaml

[knarra@knarra ~]$ oc get clusterversion
NAME      VERSION      AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.6.0-rc.4   True        False         179m    Cluster version is 4.6.0-rc.4


sh-4.4# cat /etc/kubernetes/static-pod-resources/kube-scheduler-pod-9/configmaps/config/config.yaml | jq
{
  "apiVersion": "kubescheduler.config.k8s.io/v1beta1",
  "clientConnection": {
    "kubeconfig": "/etc/kubernetes/static-pod-resources/configmaps/scheduler-kubeconfig/kubeconfig"
  },
  "kind": "KubeSchedulerConfiguration",
  "leaderElection": {
    "leaderElect": true,
    "resourceLock": "configmaps",
    "resourceNamespace": "openshift-kube-scheduler"
  }
}

sh-4.4# cat /etc/kubernetes/static-pod-resources/kube-scheduler-pod-9/configmaps/config/config.yaml | jq
{
  "apiVersion": "kubescheduler.config.k8s.io/v1beta1",
  "clientConnection": {
    "kubeconfig": "/etc/kubernetes/static-pod-resources/configmaps/scheduler-kubeconfig/kubeconfig"
  },
  "kind": "KubeSchedulerConfiguration",
  "leaderElection": {
    "leaderElect": true,
    "resourceLock": "configmaps",
    "resourceNamespace": "openshift-kube-scheduler"
  }
}

sh-4.4# cat /etc/kubernetes/static-pod-resources/kube-scheduler-pod-9/configmaps/config/config.yaml | jq  
{
  "apiVersion": "kubescheduler.config.k8s.io/v1beta1",
  "clientConnection": {
    "kubeconfig": "/etc/kubernetes/static-pod-resources/configmaps/scheduler-kubeconfig/kubeconfig"
  },
  "kind": "KubeSchedulerConfiguration",
  "leaderElection": {
    "leaderElect": true,
    "resourceLock": "configmaps",
    "resourceNamespace": "openshift-kube-scheduler"
  }
}

Based on the above moving bug to verified state.
Comment 6 errata-xmlrpc 2020-10-27 16:47:52 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:4196