Are there any limitations to using the rke2 bootstrap and co Rancher Users #cluster-api

Are there any limitations to using the rke2 bootst...

millions-france-61475

07/15/2025, 9:59 PM

Are there any limitations to using the rke2 bootstrap and control plane providers with a single control plane node? I'm trying to figure out why it immediately deletes the Machine after the control plane becomes ready. I'm using

maxSurge: 0

and I thought this might be related to

additionalUserData

format changing but it happens even without any

additionalUserData

millions-france-61475

07/16/2025, 12:07 AM

Scratch that, this does look like it was due to

additionalUserData.data

. This means that

additionalUserData.data

is not usable with 1-node control planes, because it's always rendered differently between the

RKE2ControlPlane

and the machine's

RKE2Config

. I'm guessing this happens with multi-node control planes too and it seems like it would manifest there as continuous rollouts due to the persistent drift.

fast-bear-60513

07/17/2025, 8:13 AM

There should be no problem running with a single control plane node. The Machine deletion seems to be a bug connected to additionalUserData usage possibly. May you open an issue describing your setup? Thank you.

millions-france-61475

07/21/2025, 5:54 PM

Thank you I opened https://github.com/rancher/cluster-api-provider-rke2/issues/711

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