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disk_util: differentiate between partition and FS labels

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This commit is contained in:
David Michael 2017-01-18 16:20:47 -08:00
parent e23d10223a
commit 08ed31d70d
2 changed files with 28 additions and 13 deletions
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19
build_library/disk_layout.json
View File

@ -11,6 +11,7 @@
"base":{
"1":{
"label":"EFI-SYSTEM",
"fs_label":"EFI-SYSTEM",
"type":"efi",
"blocks":"262144",
"fs_type":"vfat",
@ -47,6 +48,7 @@
},
"6":{
"label":"OEM",
"fs_label":"OEM",
"type":"data",
"blocks":"262144",
"fs_type":"ext4",
@ -64,6 +66,7 @@
},
"9":{
"label":"ROOT",
"fs_label":"ROOT",
"type":"coreos-resize",
"blocks":"4427776",
"fs_type":"ext4",
@ -75,8 +78,8 @@
"label":"USR-A",
"uuid":"7130c94a-213a-4e5a-8e26-6cce9662f132",
"type":"coreos-rootfs",
"blocks":"4194304",
"fs_blocks":"520188",
"blocks":"4194304",
"fs_blocks":"520188",
"fs_type":"ext2",
"mount":"/usr",
"features": ["prioritize", "verity"]
@ -85,35 +88,40 @@
"label":"USR-B",
"uuid":"e03dd35c-7c2d-4a47-b3fe-27f15780a57c",
"type":"coreos-rootfs",
"blocks":"4194304",
"fs_blocks":"520188"
"blocks":"4194304",
"fs_blocks":"520188"
},
"9":{
"label":"ROOT",
"fs_label":"ROOT",
"blocks":"12943360"
}
},
"vm":{
"9":{
"label":"ROOT",
"fs_label":"ROOT",
"blocks":"12943360"
}
},
"azure":{
"9":{
"label":"ROOT",
"fs_label":"ROOT",
"blocks":"58875904"
}
},
"vagrant":{
"9":{
"label":"ROOT",
"fs_label":"ROOT",
"blocks":"33845248"
}
},
"onmetal":{
"7":{
"label":"config-2",
"fs_label":"config-2",
"type":"data",
"fs_type":"ext2"
}
@ -145,6 +153,7 @@
},
"9":{
"label":"ROOT",
"fs_label":"ROOT",
"type":"4f68bce3-e8cd-4db1-96e7-fbcaf984b709",
"blocks":"6291456"
}
@ -152,6 +161,7 @@
"secure_demo":{
"1":{
"label":"EFI-SYSTEM",
"fs_label":"EFI-SYSTEM",
"type":"efi",
"blocks":"2097152",
"fs_type":"vfat",
@ -186,6 +196,7 @@
"interoute":{
"9":{
"label":"ROOT",
"fs_label":"ROOT",
"blocks":"33845248"
}
}

22
build_library/disk_util
View File

@ -45,7 +45,7 @@ def LoadPartitionConfig(options):
valid_layout_keys = set((
'_comment', 'type', 'num', 'label', 'blocks', 'block_size', 'fs_blocks',
'fs_block_size', 'fs_type', 'features', 'uuid', 'part_alignment', 'mount',
'binds', 'fs_subvolume', 'fs_bytes_per_inode', 'fs_inode_size'))
'binds', 'fs_subvolume', 'fs_bytes_per_inode', 'fs_inode_size', 'fs_label'))
integer_layout_keys = set((
'blocks', 'block_size', 'fs_blocks', 'fs_block_size', 'part_alignment',
'fs_bytes_per_inode', 'fs_inode_size'))
@ -388,9 +388,10 @@ def FormatBtrfs(part, device):
part: dict defining the partition
device: name of the block device to format
"""
Sudo(['mkfs.btrfs', '--byte-count', part['fs_bytes'],
'--label', part['label'],
device])
cmd = ['mkfs.btrfs', '--byte-count', part['fs_bytes']]
if 'fs_label' in part:
cmd += ['--label', part['fs_label']]
Sudo(cmd + [device])
if part.get('fs_subvolume', None):
btrfs_mount = tempfile.mkdtemp()
@ -420,7 +421,10 @@ def FormatExt(part, device):
device,
part['fs_blocks']])
tune_cmd = ['tune2fs', '-L', part['label'], '-e', 'remount-ro']
tune_cmd = ['tune2fs', '-e', 'remount-ro']
if 'fs_label' in part:
tune_cmd += ['-L', part['fs_label']]
if part['type'] == 'coreos-usr':
tune_cmd += ['-U', 'clear',
@ -442,10 +446,10 @@ def FormatFat(part, device):
vfat_block_size = 1024
vfat_blocks = part['bytes'] // vfat_block_size
Sudo(['mkfs.vfat', '-n', part['label'],
device,
vfat_blocks],
stdout_null=True)
cmd = ['mkfs.vfat']
if 'fs_label' in part:
cmd += ['-n', part['fs_label']]
Sudo(cmd + [device, vfat_blocks], stdout_null=True)
if 'syslinux' in part.get('features', []):
# Install using extlinux so we can operate on the mounted filesystem and