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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
#
# Copyright 2006-2009, 2013, 2014 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import logging
import os
import shutil
import subprocess
import tempfile
def _run_initrd_commands(initrd, tempdir):
logging.debug("Appending to the initrd.")
find_proc = subprocess.Popen(['find', '.', '-print0'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=tempdir)
cpio_proc = subprocess.Popen(['cpio', '--create', '--null', '--quiet',
'--format=newc', '--owner=+0:+0'],
stdin=find_proc.stdout,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=tempdir)
f = open(initrd, 'ab')
gzip_proc = subprocess.Popen(['gzip'], stdin=cpio_proc.stdout,
stdout=f, stderr=subprocess.PIPE)
cpio_proc.wait()
find_proc.wait()
gzip_proc.wait()
f.close()
finderr = find_proc.stderr.read()
cpioerr = cpio_proc.stderr.read()
gziperr = gzip_proc.stderr.read()
if finderr: # pragma: no cover
logging.debug("find stderr=%s", finderr)
if cpioerr: # pragma: no cover
logging.debug("cpio stderr=%s", cpioerr)
if gziperr: # pragma: no cover
logging.debug("gzip stderr=%s", gziperr)
def _run_iso_commands(iso, tempdir):
cmd = ["genisoimage",
"-o", iso,
"-J",
"-input-charset", "utf8",
"-rational-rock",
tempdir]
logging.debug("Running iso build command: %s", cmd)
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
logging.debug("cmd output: %s", output)
def _perform_generic_injections(injections, scratchdir, media, cb):
if not injections:
return
tempdir = tempfile.mkdtemp(dir=scratchdir)
try:
os.chmod(tempdir, 0o775)
for filename in injections:
if type(filename) is tuple:
filename, dst = filename
else:
dst = os.path.basename(filename)
logging.debug("Injecting src=%s dst=%s into media=%s",
filename, dst, media)
shutil.copy(filename, os.path.join(tempdir, dst))
return cb(media, tempdir)
finally:
shutil.rmtree(tempdir)
def perform_initrd_injections(initrd, injections, scratchdir):
"""
Insert files into the root directory of the initial ram disk
"""
_perform_generic_injections(injections, scratchdir, initrd,
_run_initrd_commands)
def perform_cdrom_injections(injections, scratchdir):
"""
Insert files into the root directory of a generated cdrom
"""
fileobj = tempfile.NamedTemporaryFile(
prefix="virtinst-", suffix="-unattended.iso",
dir=scratchdir, delete=False)
iso = fileobj.name
try:
_perform_generic_injections(injections, scratchdir, iso,
_run_iso_commands)
except Exception: # pragma: no cover
os.unlink(iso)
raise
return iso
|
