mirror of
https://github.com/kairos-io/immucore.git
synced 2025-08-17 21:46:31 +00:00
53 lines
1.9 KiB
Go
53 lines
1.9 KiB
Go
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package mount
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import (
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cnst "github.com/kairos-io/immucore/internal/constants"
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"github.com/spectrocloud-labs/herd"
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)
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// RegisterUKI registers the dag for booting from UKI
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func (s *State) RegisterUKI(g *herd.Graph) error {
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// Write sentinel
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s.LogIfError(s.WriteSentinelDagStep(g), "sentinel")
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s.LogIfError(s.LoadKernelModules(g), "kernel modules")
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// Udev for devices discovery
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s.LogIfError(s.UKIUdevDaemon(g), "udev")
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// Run rootfs stage
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s.LogIfError(s.RootfsStageDagStep(g, cnst.OpSentinel), "uki rootfs")
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// Remount root RO
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s.LogIfError(s.UKIRemountRootRODagStep(g, cnst.OpRootfsHook), "remount root")
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// Mount base overlay under /run/overlay
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s.LogIfError(s.MountBaseOverlayDagStep(g), "base overlay")
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// Populate state bind mounts, overlay mounts, custom-mounts from /run/cos/cos-layout.env
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// Requires stage rootfs to have run, which usually creates the cos-layout.env file
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s.LogIfError(s.LoadEnvLayoutDagStep(g, cnst.OpRootfsHook), "loading cos-layout.env")
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// Mount custom overlays loaded from the /run/cos/cos-layout.env file
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s.LogIfError(s.MountCustomOverlayDagStep(g), "custom overlays mount")
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// Mount custom mounts loaded from the /run/cos/cos-layout.env file
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s.LogIfError(s.MountCustomMountsDagStep(g), "custom mounts mount")
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// Mount custom binds loaded from the /run/cos/cos-layout.env file
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// Depends on mount binds as that usually mounts COS_PERSISTENT
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s.LogIfError(s.MountCustomBindsDagStep(g), "custom binds mount")
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// run initramfs stage
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s.LogIfError(s.InitramfsStageDagStep(g, cnst.OpMountBind), "uki initramfs")
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s.LogIfError(g.Add(cnst.OpWriteFstab,
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herd.WithDeps(cnst.OpLoadConfig, cnst.OpCustomMounts, cnst.OpMountBind, cnst.OpOverlayMount),
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herd.WeakDeps,
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herd.WithCallback(s.WriteFstab(s.path("/etc/fstab")))), "fstab")
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// Handover to /sbin/init
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_ = s.UKIBootInitDagStep(g, cnst.OpRemountRootRO, cnst.OpRootfsHook, cnst.OpInitramfsHook)
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return nil
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}
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