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distro: use FindMountable() to get root filesystem

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The `PartitionTable.FindMountable` method is the more generic version of
`PartitionTable.RootFilesystem` which returns a `Mountable` interface,
instead of a specific `Filesystem` object. This commit thus prepares for
the more generic case, like when root is a Btrfs sub-volume.

Co-Authored-By: Christian Kellner <christian@kellner.me>
This commit is contained in:
Achilleas Koutsou 2022-02-10 23:36:22 +01:00 • committed by Tom Gundersen
parent b0899c5c59
commit bd5b673a99
5 changed files with 18 additions and 10 deletions
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6
internal/distro/rhel90/pipelines.go
View file

@ -41,7 +41,11 @@ func qcow2Pipelines(t *imageType, customizations *blueprint.Customizations, opti
}
func prependKernelCmdlineStage(pipeline *osbuild.Pipeline, t *imageType, pt *disk.PartitionTable) *osbuild.Pipeline {
rootFsUUID := pt.RootFilesystem().UUID
rootFs := pt.FindMountable("/")
if rootFs == nil {
panic("root filesystem must be defined for kernel-cmdline stage, this is a programming error")
}
rootFsUUID := rootFs.GetFSSpec().UUID
kernelStage := osbuild.NewKernelCmdlineStage(osbuild.NewKernelCmdlineStageOptions(rootFsUUID, t.kernelOptions))
pipeline.Stages = append([]*osbuild.Stage{kernelStage}, pipeline.Stages...)
return pipeline