Upgrade PAWS kubernetes to 1.20
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	taavi
	Sep 28 2021, 10:42 AM

Description

This should again be easy after we update Toolforge in T280402: Upgrade Toolforge Kubernetes to latest 1.20.

JupyterHub does not use podpresets so we can just live patch https://gerrit.wikimedia.org/r/c/operations/puppet/+/724101 into the kubeadm-config configmap and update /etc/kubernetes/manifests/kube-apiserver.yaml on all control nodes

Status	Assigned	Task
Resolved	rook	T291913 Upgrade PAWS kubernetes to 1.20
Resolved	rook	T280402 Upgrade Toolforge Kubernetes to latest 1.20
Resolved	taavi	T280340 Upgrade Toolforge Kubernetes to latest 1.19
Resolved	taavi	T280299 Upgrade Toolforge Kubernetes to latest 1.18
Resolved	taavi	T280300 Validate that maintain-kubeusers works with k8s 1.18
Resolved	taavi	T280301 Refresh certs that are not controlled by kubeadm
Resolved	taavi	T280302 Upgrade PAWS Kubernetes to the latest 1.18 release
Resolved	taavi	T264221 Upgrade the nginx ingress controller in Toolforge (and likely PAWS)
Resolved	• Bstorm	T282087 Support cinder or expanded ephemeral disk worker nodes on Toolforge Kubernetes
Resolved	taavi	T284353 Fix prometheus monitoring for Toolforge Ingress
Resolved	taavi	T280342 Upgrade Calico to 3.18
Resolved	taavi	T280360 Update ingress-admission-controller to support Ingress from networking.k8s.io/v1
Resolved	taavi	T279106 Establish replacement for PodPresets in Toolforge Kubernetes
Resolved	• Bstorm	T292672 Issue creating pods after migration away from PodPresets
Declined	None	T290531 Weird issue with the wmcs-k8s-node-upgrade.py script
Resolved	rook	T291976 Upgrade toolsbeta to k8s 1.20
Resolved	None	T294648 [PAWS] Create 1.20 upgrade etherpad