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Upgrade is performed by updating node configuration (node by node, service
by service), watching internal resource state to get new configuration
version and verifying that pod with matching version successfully
propagated to the API server state and pod is ready.
Process is similar to the rolling update of the DaemonSet.
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
This is required to upgrade from Talos 0.8.x to 0.9.x. After the cluster
is fully upgraded, control plane is still self-hosted (as it was
bootstrapped with bootkube).
Tool `talosctl convert-k8s` (and library behind it) performs the upgrade
to self-hosted version.
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
Flannel got updated to 0.13 version which has multi-arch image.
Kubernetes images are multi-arch.
Fixes#3049
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
Talos 0.8 is going to ship with K8s 1.20.x.
Changes to support new `control-plane` label,
upgrade-k8s supports automated fixups for 1.20.
See also: https://github.com/talos-systems/bootkube-plugin/pull/22
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
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>
