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Dracut initramfs boot #1191

Merged
merged 7 commits into from
Jun 6, 2024
Merged

Dracut initramfs boot #1191

merged 7 commits into from
Jun 6, 2024

Commits on Jun 6, 2024

  1. Add initramfs stage to warewulfd 

    The initramfs stage supports serving an initramfs image from within the
container image, typically generated by dracut.

Signed-off-by: xu yang <xyang@ciq.com>
Signed-off-by: Jonathon Anderson <janderson@ciq.com>
    @JasonYangShadow @anderbubble
    JasonYangShadow authored and anderbubble committed Jun 6, 2024
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  2. New warewulf-dracut subpackage 

    warewulf-dracut includes a dracut module to be installed in a container
image to support building an initramfs that can boot from Warewulf.

Signed-off-by: Jonathon Anderson <janderson@ciq.com>
    @anderbubble
    anderbubble committed Jun 6, 2024
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  3. New, optional dracut.ipxe configuration 

    dracut.ipxe boots an initramfs detected in the container image. This
required a few small changes to warewulfd and the wwinit overlay to
accommodate the dracut initramfs configuring the network interface
before wwinit:

- Include .NetDevs in the ipxe configuration template, so that dracut
  can configure interfaces with the correct names.

- Configure NetworkManager to not keep the initramfs configuration, in
  stead applying the configuration found by wwinit.

Signed-off-by: Jonathon Anderson <janderson@ciq.com>
    @anderbubble
    anderbubble committed Jun 6, 2024
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  4. User documentation for dracut initramfs booting 

    Signed-off-by: Jonathon Anderson <janderson@ciq.com>
    @anderbubble
    anderbubble committed Jun 6, 2024
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  5. Add tests for new iPXE template variables 

    Signed-off-by: Jonathon Anderson <janderson@ciq.com>
    @JasonYangShadow @anderbubble
    JasonYangShadow authored and anderbubble committed Jun 6, 2024
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  6. Improve the detection of SELinux capable rootfs 

    initramfs uses tmpfs regardless of whether root=tmpfs in Warewulf. As
such, 90-selinux needs to be updated to detect the actual provenance of
/, rather than the configured setting.

Signed-off-by: Jonathon Anderson <janderson@ciq.com>
    @anderbubble
    anderbubble committed Jun 6, 2024
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  7. Support dracut booting with GRUB 

    Signed-off-by: Jonathon Anderson <janderson@ciq.com>
    @anderbubble
    anderbubble committed Jun 6, 2024
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