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distro/rhel85: partition table generator function

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Copied from RHEL 8.4
This commit is contained in:
Achilleas Koutsou 2021-07-01 14:26:44 +02:00 • committed by Ondřej Budai
parent 4c800f29a7
commit fd4a8387f7
1 changed files with 150 additions and 0 deletions
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150
internal/distro/rhel85/partition_tables.go Normal file
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package rhel85
import (
"io"
"math/rand"
"github.com/google/uuid"
"github.com/osbuild/osbuild-composer/internal/disk"
"github.com/osbuild/osbuild-composer/internal/distro"
)
func defaultPartitionTable(imageOptions distro.ImageOptions, arch distro.Arch, rng *rand.Rand) disk.PartitionTable {
if arch.Name() == "x86_64" {
return disk.PartitionTable{
Size: imageOptions.Size,
UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
Type: "gpt",
Partitions: []disk.Partition{
{
Bootable: true,
Size: 2048,
Start: 2048,
Type: "21686148-6449-6E6F-744E-656564454649",
UUID: "FAC7F1FB-3E8D-4137-A512-961DE09A5549",
},
{
Start: 4096,
Size: 204800,
Type: "C12A7328-F81F-11D2-BA4B-00A0C93EC93B",
UUID: "68B2905B-DF3E-4FB3-80FA-49D1E773AA33",
Filesystem: &disk.Filesystem{
Type: "vfat",
UUID: "7B77-95E7",
Mountpoint: "/boot/efi",
FSTabOptions: "defaults,uid=0,gid=0,umask=077,shortname=winnt",
FSTabFreq: 0,
FSTabPassNo: 2,
},
},
{
Start: 208896,
Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
UUID: "6264D520-3FB9-423F-8AB8-7A0A8E3D3562",
Filesystem: &disk.Filesystem{
Type: "xfs",
UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
Label: "root",
Mountpoint: "/",
FSTabOptions: "defaults",
FSTabFreq: 0,
FSTabPassNo: 0,
},
},
},
}
} else if arch.Name() == "aarch64" {
return disk.PartitionTable{
Size: imageOptions.Size,
UUID: "D209C89E-EA5E-4FBD-B161-B461CCE297E0",
Type: "gpt",
Partitions: []disk.Partition{
{
Start: 2048,
Size: 204800,
Type: "C12A7328-F81F-11D2-BA4B-00A0C93EC93B",
UUID: "68B2905B-DF3E-4FB3-80FA-49D1E773AA33",
Filesystem: &disk.Filesystem{
Type: "vfat",
UUID: "7B77-95E7",
Mountpoint: "/boot/efi",
FSTabOptions: "defaults,uid=0,gid=0,umask=077,shortname=winnt",
FSTabFreq: 0,
FSTabPassNo: 2,
},
},
{
Start: 206848,
Type: "0FC63DAF-8483-4772-8E79-3D69D8477DE4",
UUID: "6264D520-3FB9-423F-8AB8-7A0A8E3D3562",
Filesystem: &disk.Filesystem{
Type: "xfs",
UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
Label: "root",
Mountpoint: "/",
FSTabOptions: "defaults",
FSTabFreq: 0,
FSTabPassNo: 0,
},
},
},
}
} else if arch.Name() == "ppc64le" {
return disk.PartitionTable{
Size: imageOptions.Size,
UUID: "0x14fc63d2",
Type: "dos",
Partitions: []disk.Partition{
{
Size: 8192,
Type: "41",
Bootable: true,
},
{
Start: 10240,
Filesystem: &disk.Filesystem{
Type: "xfs",
UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
Mountpoint: "/",
FSTabOptions: "defaults",
FSTabFreq: 0,
FSTabPassNo: 0,
},
},
},
}
} else if arch.Name() == "s390x" {
return disk.PartitionTable{
Size: imageOptions.Size,
UUID: "0x14fc63d2",
Type: "dos",
Partitions: []disk.Partition{
{
Start: 2048,
Bootable: true,
Filesystem: &disk.Filesystem{
Type: "xfs",
UUID: uuid.Must(newRandomUUIDFromReader(rng)).String(),
Mountpoint: "/",
FSTabOptions: "defaults",
FSTabFreq: 0,
FSTabPassNo: 0,
},
},
},
}
}
panic("unknown arch: " + arch.Name())
}
func newRandomUUIDFromReader(r io.Reader) (uuid.UUID, error) {
var id uuid.UUID
_, err := io.ReadFull(r, id[:])
if err != nil {
return uuid.Nil, err
}
id[6] = (id[6] & 0x0f) | 0x40 // Version 4
id[8] = (id[8] & 0x3f) | 0x80 // Variant is 10
return id, nil
}