distro: rhel85 create partition helper functions
This commit is contained in:
Gianluca Zuccarelli
Tom Gundersen
parent
346eef7477
commit
6c4da2b821
1 changed files with 199 additions and 292 deletions
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@ -10,7 +10,58 @@ import (
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"github.com/osbuild/osbuild-composer/internal/distro"
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)
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const sectorSize = 512
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const (
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sectorSize = 512
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biosBootPartitionType = "21686148-6449-6E6F-744E-656564454649"
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biosBootPartitionUUID = "FAC7F1FB-3E8D-4137-A512-961DE09A5549"
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bootPartitionType = "0FC63DAF-8483-4772-8E79-3D69D8477DE4"
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bootPartitionUUID = "CB07C243-BC44-4717-853E-28852021225B"
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bootEFIPartitionType = "C12A7328-F81F-11D2-BA4B-00A0C93EC93B"
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bootEFIPartitionUUID = "68B2905B-DF3E-4FB3-80FA-49D1E773AA33"
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bootEFIFilesystemUUID = "7B77-95E7"
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defaultPartitionType = "0FC63DAF-8483-4772-8E79-3D69D8477DE4"
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rootPartitionUUID = "6264D520-3FB9-423F-8AB8-7A0A8E3D3562"
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)
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var x86PartitionTable = disk.PartitionTable{
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UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
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Type: "gpt",
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Partitions: []disk.Partition{},
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}
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var aarch64PartitionTable = disk.PartitionTable{
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UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
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Type: "gpt",
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Partitions: []disk.Partition{},
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}
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var ppc64lePartitionTable = disk.PartitionTable{
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UUID: "0x14fc63d2",
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Type: "dos",
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Partitions: []disk.Partition{},
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}
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var s390xPartitionTable = disk.PartitionTable{
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UUID: "0x14fc63d2",
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Type: "dos",
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Partitions: []disk.Partition{},
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}
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var validArches = map[string]disk.PartitionTable{
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x86_64ArchName: x86PartitionTable,
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aarch64ArchName: aarch64PartitionTable,
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ppc64leArchName: ppc64lePartitionTable,
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s390xArchName: s390xPartitionTable,
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}
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var ec2ValidArches = map[string]disk.PartitionTable{
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x86_64ArchName: x86PartitionTable,
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aarch64ArchName: aarch64PartitionTable,
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}
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func createPartitionTable(
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mountpoints []blueprint.FilesystemCustomization,
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@ -18,310 +69,166 @@ func createPartitionTable(
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arch distro.Arch,
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rng *rand.Rand,
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) disk.PartitionTable {
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if arch.Name() == "x86_64" {
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partitionTable := disk.PartitionTable{
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Size: imageOptions.Size,
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UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
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Type: "gpt",
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Partitions: []disk.Partition{
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{
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Bootable: true,
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Size: 2048,
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Start: 2048,
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Type: "21686148-6449-6E6F-744E-656564454649",
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UUID: "FAC7F1FB-3E8D-4137-A512-961DE09A5549",
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},
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{
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Start: 4096,
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Size: 204800,
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Type: "C12A7328-F81F-11D2-BA4B-00A0C93EC93B",
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UUID: "68B2905B-DF3E-4FB3-80FA-49D1E773AA33",
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Filesystem: &disk.Filesystem{
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Type: "vfat",
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UUID: "7B77-95E7",
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Mountpoint: "/boot/efi",
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FSTabOptions: "defaults,uid=0,gid=0,umask=077,shortname=winnt",
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FSTabFreq: 0,
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FSTabPassNo: 2,
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},
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},
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},
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}
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start := uint64(4096 + 204800)
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partitions := []disk.Partition{}
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for _, m := range mountpoints {
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if m.Mountpoint != "/" {
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partition := createPartition(m, start, arch.Name(), rng)
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partitions = append(partitions, partition)
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start += uint64(m.MinSize / sectorSize)
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}
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}
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// treat the root partition as a special case
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// by setting it last and setting the size
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// dynamically
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rootPartition := disk.Partition{
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Start: start,
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Size: imageOptions.Size/sectorSize - start - 100,
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Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
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UUID: "6264D520-3FB9-423F-8AB8-7A0A8E3D3562",
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Label: "root",
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Mountpoint: "/",
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FSTabOptions: "defaults",
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FSTabFreq: 0,
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FSTabPassNo: 0,
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},
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}
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partitions = append(partitions, rootPartition)
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partitionTable.Partitions = append(partitionTable.Partitions, partitions...)
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return partitionTable
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} else if arch.Name() == "aarch64" {
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partitionTable := disk.PartitionTable{
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Size: imageOptions.Size,
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UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
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Type: "gpt",
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Partitions: []disk.Partition{
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{
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Start: 2048,
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Size: 204800,
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Type: "C12A7328-F81F-11D2-BA4B-00A0C93EC93B",
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UUID: "68B2905B-DF3E-4FB3-80FA-49D1E773AA33",
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Filesystem: &disk.Filesystem{
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Type: "vfat",
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UUID: "7B77-95E7",
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Mountpoint: "/boot/efi",
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FSTabOptions: "defaults,uid=0,gid=0,umask=077,shortname=winnt",
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FSTabFreq: 0,
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FSTabPassNo: 2,
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},
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},
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},
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}
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start := uint64(2048 + 204800)
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partitions := []disk.Partition{}
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for _, m := range mountpoints {
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if m.Mountpoint != "/" {
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partition := createPartition(m, start, arch.Name(), rng)
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partitions = append(partitions, partition)
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start += uint64(m.MinSize / sectorSize)
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}
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}
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rootPartition := disk.Partition{
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Start: start,
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Size: imageOptions.Size/sectorSize - start - 100,
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Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
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UUID: "6264D520-3FB9-423F-8AB8-7A0A8E3D3562",
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Label: "root",
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Mountpoint: "/",
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FSTabOptions: "defaults",
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FSTabFreq: 0,
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FSTabPassNo: 0,
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},
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}
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partitions = append(partitions, rootPartition)
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partitionTable.Partitions = append(partitionTable.Partitions, partitions...)
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return partitionTable
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} else if arch.Name() == "ppc64le" {
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partitionTable := disk.PartitionTable{
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Size: imageOptions.Size,
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UUID: "0x14fc63d2",
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Type: "dos",
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Partitions: []disk.Partition{
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{
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Start: 2048,
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Size: 8192,
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Type: "41",
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Bootable: true,
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},
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},
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}
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start := uint64(8192)
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partitions := []disk.Partition{}
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for _, m := range mountpoints {
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if m.Mountpoint != "/" {
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partition := createPartition(m, start, arch.Name(), rng)
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partitions = append(partitions, partition)
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start += uint64(m.MinSize / sectorSize)
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}
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}
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rootPartition := disk.Partition{
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Start: start,
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Size: imageOptions.Size/sectorSize - start - 100,
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Mountpoint: "/",
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FSTabOptions: "defaults",
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FSTabFreq: 0,
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FSTabPassNo: 0,
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},
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}
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partitions = append(partitions, rootPartition)
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partitionTable.Partitions = append(partitionTable.Partitions, partitions...)
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return partitionTable
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} else if arch.Name() == "s390x" {
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partitionTable := disk.PartitionTable{
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Size: imageOptions.Size,
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UUID: "0x14fc63d2",
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Type: "dos",
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Partitions: []disk.Partition{},
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}
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start := uint64(2048)
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partitions := []disk.Partition{}
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for _, m := range mountpoints {
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if m.Mountpoint != "/" {
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partition := createPartition(m, start, arch.Name(), rng)
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partitions = append(partitions, partition)
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start += uint64(m.MinSize / sectorSize)
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}
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}
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rootPartition := disk.Partition{
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Start: start,
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Size: imageOptions.Size/sectorSize - start - 100,
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Bootable: true,
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Mountpoint: "/",
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FSTabOptions: "defaults",
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FSTabFreq: 0,
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FSTabPassNo: 0,
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},
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}
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partitions = append(partitions, rootPartition)
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partitionTable.Partitions = append(partitionTable.Partitions, partitions...)
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return partitionTable
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archName := arch.Name()
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partitionTable, ok := validArches[archName]
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if !ok {
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panic("unknown arch: " + archName)
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}
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panic("unknown arch: " + arch.Name())
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partitionTable.Size = imageOptions.Size
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partitions := []disk.Partition{}
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var start uint64
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if archName == x86_64ArchName {
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biosBootPartition := disk.Partition{
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Bootable: true,
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Size: 2048,
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Start: 2048,
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Type: biosBootPartitionType,
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UUID: biosBootPartitionUUID,
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}
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partitions = append(partitions, biosBootPartition)
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bootEFIPartition := createPartition("/boot/efi", 204800, 4096, archName, rng)
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partitions = append(partitions, bootEFIPartition)
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start = uint64(4096 + 204800)
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} else if archName == aarch64ArchName {
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bootEFIPartition := createPartition("/boot/efi", 204800, 2048, archName, rng)
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partitions = append(partitions, bootEFIPartition)
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start = uint64(2048 + 204800)
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} else if archName == ppc64leArchName {
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biosBootPartition := disk.Partition{
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Start: 2048,
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Size: 8192,
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Type: "41",
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Bootable: true,
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}
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partitions = append(partitions, biosBootPartition)
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start = uint64(10240)
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} else if archName == s390xArchName {
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start = uint64(2048)
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}
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for _, m := range mountpoints {
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if m.Mountpoint != "/" {
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partitionSize := uint64(m.MinSize) / sectorSize
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partition := createPartition(m.Mountpoint, partitionSize, start, archName, rng)
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partitions = append(partitions, partition)
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start += uint64(m.MinSize / sectorSize)
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}
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}
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// treat the root partition as a special case
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// by setting it last and setting the size
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// dynamically
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rootSize := (imageOptions.Size / sectorSize) - start - 100
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rootPartition := createPartition("/", rootSize, start, archName, rng)
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partitions = append(partitions, rootPartition)
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partitionTable.Partitions = append(partitionTable.Partitions, partitions...)
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return partitionTable
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}
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func ec2PartitionTable(imageOptions distro.ImageOptions, arch distro.Arch, rng *rand.Rand) disk.PartitionTable {
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var sectorSize uint64 = 512
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if arch.Name() == "x86_64" {
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return disk.PartitionTable{
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Size: imageOptions.Size,
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UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
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Type: "gpt",
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Partitions: []disk.Partition{
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{
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Bootable: true,
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Size: 2048,
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Start: 2048,
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Type: "21686148-6449-6E6F-744E-656564454649",
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UUID: "FAC7F1FB-3E8D-4137-A512-961DE09A5549",
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},
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{
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Start: 4096,
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Size: imageOptions.Size/sectorSize - 4096 - 100,
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Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
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UUID: "6264D520-3FB9-423F-8AB8-7A0A8E3D3562",
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Label: "root",
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Mountpoint: "/",
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FSTabOptions: "defaults",
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FSTabFreq: 0,
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FSTabPassNo: 0,
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},
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},
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},
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}
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} else if arch.Name() == "aarch64" {
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return disk.PartitionTable{
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Size: imageOptions.Size,
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UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
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Type: "gpt",
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Partitions: []disk.Partition{
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{
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Start: 2048,
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Size: 409600,
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Type: "C12A7328-F81F-11D2-BA4B-00A0C93EC93B",
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UUID: "68B2905B-DF3E-4FB3-80FA-49D1E773AA33",
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Filesystem: &disk.Filesystem{
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Type: "vfat",
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UUID: "7B77-95E7",
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Mountpoint: "/boot/efi",
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FSTabOptions: "defaults,uid=0,gid=0,umask=077,shortname=winnt",
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FSTabFreq: 0,
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FSTabPassNo: 2,
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},
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},
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{
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Start: 411648,
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Size: 1048576,
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Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
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UUID: "CB07C243-BC44-4717-853E-28852021225B",
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Mountpoint: "/boot",
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FSTabOptions: "defaults",
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FSTabFreq: 0,
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FSTabPassNo: 0,
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},
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},
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{
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Start: 1460224,
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Size: imageOptions.Size/sectorSize - 1460224 - 100,
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Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
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UUID: "6264D520-3FB9-423F-8AB8-7A0A8E3D3562",
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Label: "root",
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Mountpoint: "/",
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FSTabOptions: "defaults",
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FSTabFreq: 0,
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FSTabPassNo: 0,
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},
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},
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},
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}
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archName := arch.Name()
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partitionTable, ok := ec2ValidArches[archName]
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if !ok {
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panic("unsupported EC2 arch: " + archName)
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}
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panic("unsupported EC2 arch: " + arch.Name())
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partitionTable.Size = imageOptions.Size
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partitions := []disk.Partition{}
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var start uint64
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if archName == x86_64ArchName {
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biosBootPartition := disk.Partition{
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Bootable: true,
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Size: 2048,
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Start: 2048,
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Type: biosBootPartitionType,
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UUID: biosBootPartitionUUID,
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}
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partitions = append(partitions, biosBootPartition)
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start = 4096
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} else if archName == aarch64ArchName {
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bootEFIParition := createPartition("/boot/efi", 409600, 2048, archName, rng)
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partitions = append(partitions, bootEFIParition)
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bootPartition := createPartition("/boot", 1048576, 411648, archName, rng)
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partitions = append(partitions, bootPartition)
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start = 1460224
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}
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rootSize := (imageOptions.Size / sectorSize) - start - 100
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rootPartition := createPartition("/", rootSize, start, archName, rng)
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partitions = append(partitions, rootPartition)
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partitionTable.Partitions = append(partitionTable.Partitions, partitions...)
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return partitionTable
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}
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func createPartition(
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m blueprint.FilesystemCustomization,
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start uint64,
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archName string,
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rng *rand.Rand,
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) disk.Partition {
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if archName == "x86_64" || archName == "aarch64" {
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func createPartition(mountpoint string, size uint64, start uint64, archName string, rng *rand.Rand) disk.Partition {
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var filesystem disk.Filesystem
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// /boot/efi mountpoint is a special case
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// return early
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if mountpoint == "/boot/efi" {
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filesystem = createFilesystemDisk(mountpoint, bootEFIFilesystemUUID)
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return disk.Partition{
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Start: start,
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Size: uint64(m.MinSize) / sectorSize,
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Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Filesystem: &disk.Filesystem{
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Type: "xfs",
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UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
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Mountpoint: m.Mountpoint,
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||||
FSTabOptions: "defaults",
|
||||
FSTabFreq: 0,
|
||||
FSTabPassNo: 0,
|
||||
},
|
||||
Start: start,
|
||||
Size: size,
|
||||
Type: bootEFIPartitionType,
|
||||
UUID: bootEFIPartitionUUID,
|
||||
Filesystem: &filesystem,
|
||||
}
|
||||
}
|
||||
return disk.Partition{
|
||||
Start: start,
|
||||
Size: uint64(m.MinSize),
|
||||
Filesystem: &disk.Filesystem{
|
||||
Type: "xfs",
|
||||
UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
|
||||
Mountpoint: m.Mountpoint,
|
||||
FSTabOptions: "defaults",
|
||||
partition := disk.Partition{
|
||||
Start: start,
|
||||
Size: size,
|
||||
Filesystem: &filesystem,
|
||||
}
|
||||
diskUUID := uuid.Must(newRandomUUIDFromReader(rng)).String()
|
||||
filesystem = createFilesystemDisk(mountpoint, diskUUID)
|
||||
if mountpoint == "/boot" {
|
||||
partition.Type = bootPartitionType
|
||||
partition.UUID = bootPartitionUUID
|
||||
return partition
|
||||
}
|
||||
if archName == x86_64ArchName || archName == aarch64ArchName {
|
||||
if mountpoint == "/" {
|
||||
// set Label for root mountpoint
|
||||
filesystem.Label = "root"
|
||||
partition.Type = defaultPartitionType
|
||||
partition.UUID = rootPartitionUUID
|
||||
return partition
|
||||
}
|
||||
partition.Type = defaultPartitionType
|
||||
partition.UUID = uuid.Must(newRandomUUIDFromReader(rng)).String()
|
||||
return partition
|
||||
}
|
||||
if mountpoint == "/" && archName == s390xArchName {
|
||||
partition.Bootable = true
|
||||
}
|
||||
return partition
|
||||
}
|
||||
|
||||
func createFilesystemDisk(mountpoint string, uuid string) disk.Filesystem {
|
||||
if mountpoint == "/boot/efi" {
|
||||
return disk.Filesystem{
|
||||
Type: "vfat",
|
||||
UUID: uuid,
|
||||
Mountpoint: mountpoint,
|
||||
FSTabOptions: "defaults,uid=0,gid=0,umask=077,shortname=winnt",
|
||||
FSTabFreq: 0,
|
||||
FSTabPassNo: 0,
|
||||
},
|
||||
FSTabPassNo: 2,
|
||||
}
|
||||
}
|
||||
return disk.Filesystem{
|
||||
Type: "xfs",
|
||||
UUID: uuid,
|
||||
Mountpoint: mountpoint,
|
||||
FSTabOptions: "defaults",
|
||||
FSTabFreq: 0,
|
||||
FSTabPassNo: 0,
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue