Fixes were applied automatically.
Import ordering might be questionable, but it's strict:
* stdlib
* other packages
* same package imports
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
This ignores temporary errors while `upgrade-k8s` is running,
as I observed that etcd leader change happened while waiting for
daemonset to be updated which aborted the upgrade process.
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
This command handles upgrading Kubernetes control plane from 1.18.x and
1.19.x to 1.19.x.
There's automatic handling of pod-checkpointer to speed up
kube-apiserver upgrades.
Separate PR will add K8s upgrade to integration tests.
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
