Add .gitignore
[nitsi.git] / src / nitsi / disk.py
1 #!/usr/bin/python3
2
3 import guestfs
4
5 import tempfile
6 import tarfile
7 import os
8
9 import logging
10
11 logger = logging.getLogger("nitsi.disk")
12
13
14 class disk():
15     def __init__(self, disk):
16         self.log = logger.getChild(os.path.basename(disk))
17         self.log.debug("Initiated a disk class for {}".format(disk))
18         self.con = guestfs.GuestFS(python_return_dict=True)
19         self.con.add_drive_opts(disk, format="qcow2")
20
21     def mount(self, uuid, path):
22         self.log.debug("Trying to mount the partion with uuid: {} under {}".format(uuid, path))
23         self.con.launch()
24         part = self.con.findfs_uuid(uuid)
25         self.con.mount(part, path)
26
27     def copy_in(self, fr, to):
28         self.log.debug("Going to copy some files into the image.")
29         tmp = tempfile.mkstemp()
30         tmp = tmp[1] + ".tar"
31         with tarfile.open(tmp, "w") as tar:
32             for file in fr:
33                 self.log.debug("Adding {} to be copied into the image".format(file))
34                 tar.add(file, arcname=os.path.basename(file))
35
36         self.log.debug("Going to copy the files into the image")
37         self.con.tar_in_opts(tmp, to)
38
39     def umount(self, path):
40         self.log.debug("Unmounting the image")
41         self.con.umount_opts(path)
42
43     def close(self):
44         self.log.debug("Flush the image and closing the connection")
45         self.con.shutdown()
46         self.con.close()
47
48 # test  = disk("/var/lib/libvirt/images/alice.qcow2")
49 # test.mount("45598e92-3487-4a1b-961d-79aa3dd42a7d", "/")
50 # test.copy_in("/home/jonatan/nitsi/libguestfs-test", "/root/")
51 # test.umount("/")
52 # test.close()