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Pre-built OS images that include components required by kubeadm control plane provider #21

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Gerrit91 opened this issue Jan 16, 2025 · 4 comments · May be fixed by metal-stack/metal-images#273
Open

Pre-built OS images that include components required by kubeadm control plane provider #21

Gerrit91 opened this issue Jan 16, 2025 · 4 comments · May be fixed by metal-stack/metal-images#273

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@Gerrit91
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Cluster API requires node images that come with the following components:

  • kubeadm
  • CNI plugins
  • kubelet
  • kubectl

In addition to that, we need to provide:

  • conntrack
@Gerrit91 Gerrit91 mentioned this issue Jan 16, 2025
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@robertvolkmann robertvolkmann linked a pull request Jan 20, 2025 that will close this issue
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@robertvolkmann
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Why do we need conntrack?

@Gerrit91
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kubelet depends on it. Also kube-proxy I think, which we could actually avoid with Calico running eBPF (#17).

@robertvolkmann
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robertvolkmann commented Jan 20, 2025 •
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Implementation of ignition in Cluster API is unmaintained and still supports only v2.

When we introduced ignition there was a general commitment to pay down the tech debt introduced by this choice before making further improvements in this area, but also for this effort there are no volunteers showing up (and it is a few years now)

kubernetes-sigs/cluster-api#9157 (comment)

@robertvolkmann
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The current state: https://kubernetes.slack.com/archives/C8TSNPY4T/p1736360213224689

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Build Ubuntu Image for Cluster API metal-stack/metal-images
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@Gerrit91 @robertvolkmann