1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
"""
disk and partition functions for dmm.
"""
import pathlib
from command_runner import command_runner
def run_parted_commands(disk, commands):
"""
Iterate through parted commands and return an error if applicable.
"""
for partedcmd in commands:
ecode, result = command_runner("parted -s -- %s %s" % (disk, partedcmd))
if ecode != 0:
return ecode, result
def losetup(diskimg, mountpoint, loopdev):
"""
Sets up a loopback device.
"""
ecode, result = command_runner("losetup -P /dev/%s %s" % (loopdev, diskimg))
return ecode, result
def losetup_teardown(loopdev):
"""
Unmounts a loopback device.
"""
ecode, result = command_runner("losetup -d /dev/%s" % (loopdev))
return ecode, result
def create_filesystems(partitions):
"""
Creates a new filesystem on a device.
"""
for partition in partitions:
ecode, result = command_runner("mkfs.%s %s %s" % (partition['fstype'], partition['options'], partition['partition']))
if ecode != 0:
return ecode, result
def mount(filesystems):
"""
Mounts filesystems
"""
for filesystem in filesystems:
path = pathlib.Path(filesystem['mountpoint'])
path.mkdir(parents=True, exist_ok=True)
ecode, result = command_runner("mount -t %s %s %s %s" % (filesystem['fstype'], filesystem['mountopts'],
filesystem['source'], filesystem['mountpoint']))
if ecode != 0:
return ecode, result
def umount(mounts):
"""
Unmounts filesystems
"""
for mount in mounts:
path = pathlib.Path(mount['mountpoint'])
ecode, result = command_runner("umount %s" % (mount['mountpoint']))
if ecode != 0:
return ecode, result
|
