2c6e726c94
This creates the needed kernel options for an image, if any, based on the partition table. Co-Authored-By: Achilleas Koutsou <achilleas@koutsou.net>
81 lines
2 KiB
Go
81 lines
2 KiB
Go
package osbuild2
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import (
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"fmt"
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"github.com/osbuild/osbuild-composer/internal/disk"
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)
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// sfdiskStageOptions creates the options and devices properties for an
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// org.osbuild.sfdisk stage based on a partition table description
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func sfdiskStageOptions(pt *disk.PartitionTable) *SfdiskStageOptions {
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partitions := make([]Partition, len(pt.Partitions))
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for idx, p := range pt.Partitions {
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partitions[idx] = Partition{
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Bootable: p.Bootable,
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Start: pt.BytesToSectors(p.Start),
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Size: pt.BytesToSectors(p.Size),
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Type: p.Type,
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UUID: p.UUID,
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}
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}
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stageOptions := &SfdiskStageOptions{
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Label: pt.Type,
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UUID: pt.UUID,
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Partitions: partitions,
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}
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return stageOptions
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}
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func GenImagePrepareStages(pt *disk.PartitionTable, filename string) []*Stage {
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stages := make([]*Stage, 0)
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// create an empty file of the given size via `org.osbuild.truncate`
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stage := NewTruncateStage(
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&TruncateStageOptions{
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Filename: filename,
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Size: fmt.Sprintf("%d", pt.Size),
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})
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stages = append(stages, stage)
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// create the partition layout in the empty file
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sfOptions := sfdiskStageOptions(pt)
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loopback := NewLoopbackDevice(
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&LoopbackDeviceOptions{Filename: filename},
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)
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sfdisk := NewSfdiskStage(sfOptions, loopback)
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stages = append(stages, sfdisk)
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// Generate all the needed "devices", like LUKS2 and LVM2
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s := GenDeviceCreationStages(pt, filename)
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stages = append(stages, s...)
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// Generate all the filesystems on partitons and devices
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s = GenMkfsStages(pt, loopback)
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stages = append(stages, s...)
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return stages
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}
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func GenImageFinishStages(pt *disk.PartitionTable, filename string) []*Stage {
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return GenDeviceFinishStages(pt, filename)
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}
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func GenImageKernelOptions(pt *disk.PartitionTable) []string {
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cmdline := make([]string, 0)
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genOptions := func(e disk.Entity, path []disk.Entity) error {
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switch ent := e.(type) {
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case *disk.LUKSContainer:
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karg := "luks.uuid=" + ent.UUID
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cmdline = append(cmdline, karg)
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}
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return nil
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}
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_ = pt.ForEachEntity(genOptions)
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return cmdline
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}
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