9746a87609
Move the `createFilesystem` method over the `disk.go` and make it a public method of `PartitionTable`.
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
package disk
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import (
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"math/rand"
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"github.com/osbuild/osbuild-composer/internal/blueprint"
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)
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const (
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BIOSBootPartitionGUID = "21686148-6449-6E6F-744E-656564454649"
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BIOSBootPartitionUUID = "FAC7F1FB-3E8D-4137-A512-961DE09A5549"
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FilesystemDataGUID = "0FC63DAF-8483-4772-8E79-3D69D8477DE4"
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FilesystemDataUUID = "CB07C243-BC44-4717-853E-28852021225B"
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EFISystemPartitionGUID = "C12A7328-F81F-11D2-BA4B-00A0C93EC93B"
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EFISystemPartitionUUID = "68B2905B-DF3E-4FB3-80FA-49D1E773AA33"
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EFIFilesystemUUID = "7B77-95E7"
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RootPartitionUUID = "6264D520-3FB9-423F-8AB8-7A0A8E3D3562"
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)
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func CreatePartitionTable(
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mountpoints []blueprint.FilesystemCustomization,
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imageSize uint64,
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basePartitionTable *PartitionTable,
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rng *rand.Rand,
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) (PartitionTable, error) {
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// we are modifying the contents of the base partition table,
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// including the file systems, which are shared among shallow
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// copies of the partition table, so make a copy first
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table := basePartitionTable.Clone()
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for _, m := range mountpoints {
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sectors := table.BytesToSectors(m.MinSize)
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if m.Mountpoint != "/" {
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table.CreateFilesystem(m.Mountpoint, sectors)
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}
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}
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if tableSize := table.getPartitionTableSize(); imageSize < tableSize {
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imageSize = tableSize
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}
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table.Size = imageSize
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// start point for all of the arches is
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// 2048 sectors.
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var start uint64 = table.updatePartitionStartPointOffsets(2048)
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// treat the root partition as a special case
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// by setting the size dynamically
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rootPartition := table.RootPartition()
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rootPartition.Size = (table.BytesToSectors(imageSize) - start - 100)
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// Generate new UUIDs for filesystems and partitions
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table.GenerateUUIDs(rng)
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return *table, nil
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}
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