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32 lines
1.6 KiB
Go
32 lines
1.6 KiB
Go
package dag
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import (
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cnst "github.com/kairos-io/immucore/internal/constants"
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"github.com/kairos-io/immucore/pkg/state"
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"github.com/spectrocloud-labs/herd"
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)
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// RegisterLiveMedia registers the dag for booting from live media/netboot
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// This mainly sets the sentinel, mounts oem if it can (failure is not fatal), runs rootfs and initramfs stages
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// And thats it.
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// There is a wait for sysroot to be there, just in case. Not waiting for it, can result in a race condition in which
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// sysroot is not ready when we try to mount oem and run stages
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// We let the actual init system deal with the mounts itself as we like hwo it setup cdrom mounts and such automatically.
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func RegisterLiveMedia(s *state.State, g *herd.Graph) error {
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// Maybe LogIfErrorAndPanic ? If no sentinel, a lot of config files are not going to run
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err := s.LogIfErrorAndReturn(s.WriteSentinelDagStep(g), "write sentinel")
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// Waits for sysroot to be there, just in case
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s.LogIfError(s.WaitForSysrootDagStep(g), "Waiting for sysroot")
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// Run rootfs
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// Try to mount oem ONLY if we are on recovery squash
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// The check to see if its enabled its on the DAG step itself
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s.LogIfError(s.MountOemDagStep(g, herd.WithDeps(cnst.OpWaitForSysroot)), "oem mount")
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s.LogIfError(s.RootfsStageDagStep(g, herd.WithDeps(cnst.OpSentinel, cnst.OpWaitForSysroot), herd.WithWeakDeps(cnst.OpMountOEM)), "rootfs stage")
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// Run initramfs inside the /sysroot chroot!
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s.LogIfError(s.InitramfsStageDagStep(g, herd.WithDeps(cnst.OpSentinel, cnst.OpWaitForSysroot, cnst.OpRootfsHook), herd.WithWeakDeps(cnst.OpMountOEM)), "initramfs stage")
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return err
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}
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