docs: Explain updating k8s components.#5959
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Explained that editing cluster config may also require a k8s-upgrade and component restart step, with link to 'upgrading kubernetes' docs. Updated these docs to explain that version-number can be preserved. Signed-off-by: Matthew Richardson <[email protected]>
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Jul 25, 2022
| * `.machine.kernel` | ||
| * `.machine.registries` (CRI containerd plugin will not pick up the registry authentication settings without a reboot) | ||
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| Changes to `.cluster` configuration for Kubernetes components will not take effect until the Kubernetes cluster is [upgraded]({{< relref "../../kubernetes-guides/upgrading-kubernetes" >}}) and the components are restarted - either manually or via a reboot. |
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I think we might need more careful wording here.
There are two types of components configured in .cluster section:
- control plane components running as static pods (API server, controller manager and scheduler) - changes to these components are applied immediately on the fly
- other settings which in fact update bootstrap manifests - manifests themselves, CNI, kube-proxy configuration - these are not applied automatically, only missing resources are created, but existing ones are not updated (and never removed) - these require a Kubernetes upgrade to be applied
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This PR is stale because it has been open 45 days with no activity. |
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Pull Request
What?
Explain that editing cluster config may also require a k8s-upgrade and component restart step,
with link to 'upgrading kubernetes' docs.
Updated these docs to explain that version-number can be preserved.
Signed-off-by: Matthew Richardson [email protected]
Why? (reasoning)
It is not currently clear that editing the
clusterpart of the machine config also requires these extra steps before the components will be running with the new config.Acceptance
make docs)