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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
|
# This file is part of cloud-init. See LICENSE file for license information.
import os
from six import StringIO
try:
from unittest import mock
except ImportError:
import mock
try:
from contextlib import ExitStack
except ImportError:
from contextlib2 import ExitStack
from ..helpers import TestCase
from cloudinit import distros
from cloudinit.distros.parsers.sys_conf import SysConf
from cloudinit import helpers
from cloudinit.net import eni
from cloudinit import settings
from cloudinit import util
BASE_NET_CFG = '''
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.1.5
broadcast 192.168.1.0
gateway 192.168.1.254
netmask 255.255.255.0
network 192.168.0.0
auto eth1
iface eth1 inet dhcp
'''
BASE_NET_CFG_IPV6 = '''
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.1.5
netmask 255.255.255.0
network 192.168.0.0
broadcast 192.168.1.0
gateway 192.168.1.254
iface eth0 inet6 static
address 2607:f0d0:1002:0011::2
netmask 64
gateway 2607:f0d0:1002:0011::1
iface eth1 inet static
address 192.168.1.6
netmask 255.255.255.0
network 192.168.0.0
broadcast 192.168.1.0
gateway 192.168.1.254
iface eth1 inet6 static
address 2607:f0d0:1002:0011::3
netmask 64
gateway 2607:f0d0:1002:0011::1
'''
V1_NET_CFG = {'config': [{'name': 'eth0',
'subnets': [{'address': '192.168.1.5',
'broadcast': '192.168.1.0',
'gateway': '192.168.1.254',
'netmask': '255.255.255.0',
'type': 'static'}],
'type': 'physical'},
{'name': 'eth1',
'subnets': [{'control': 'auto', 'type': 'dhcp4'}],
'type': 'physical'}],
'version': 1}
V1_NET_CFG_OUTPUT = """
# This file is generated from information provided by
# the datasource. Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.1.5/24
broadcast 192.168.1.0
gateway 192.168.1.254
auto eth1
iface eth1 inet dhcp
"""
V1_NET_CFG_IPV6 = {'config': [{'name': 'eth0',
'subnets': [{'address':
'2607:f0d0:1002:0011::2',
'gateway':
'2607:f0d0:1002:0011::1',
'netmask': '64',
'type': 'static'}],
'type': 'physical'},
{'name': 'eth1',
'subnets': [{'control': 'auto',
'type': 'dhcp4'}],
'type': 'physical'}],
'version': 1}
V1_TO_V2_NET_CFG_OUTPUT = """
# This file is generated from information provided by
# the datasource. Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
version: 2
ethernets:
eth0:
addresses:
- 192.168.1.5/24
gateway4: 192.168.1.254
eth1:
dhcp4: true
"""
V2_NET_CFG = {
'ethernets': {
'eth7': {
'addresses': ['192.168.1.5/255.255.255.0'],
'gateway4': '192.168.1.254'},
'eth9': {
'dhcp4': True}
},
'version': 2
}
V2_TO_V2_NET_CFG_OUTPUT = """
# This file is generated from information provided by
# the datasource. Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
version: 2
ethernets:
eth7:
addresses:
- 192.168.1.5/24
gateway4: 192.168.1.254
eth9:
dhcp4: true
"""
class WriteBuffer(object):
def __init__(self):
self.buffer = StringIO()
self.mode = None
self.omode = None
def write(self, text):
self.buffer.write(text)
def __str__(self):
return self.buffer.getvalue()
class TestNetCfgDistro(TestCase):
frbsd_ifout = """\
hn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=51b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,TSO4,LRO>
ether 00:15:5d:4c:73:00
inet6 fe80::215:5dff:fe4c:7300%hn0 prefixlen 64 scopeid 0x2
inet 10.156.76.127 netmask 0xfffffc00 broadcast 10.156.79.255
nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
media: Ethernet autoselect (10Gbase-T <full-duplex>)
status: active
"""
def setUp(self):
super(TestNetCfgDistro, self).setUp()
def _get_distro(self, dname, renderers=None):
cls = distros.fetch(dname)
cfg = settings.CFG_BUILTIN
cfg['system_info']['distro'] = dname
if renderers:
cfg['system_info']['network'] = {'renderers': renderers}
paths = helpers.Paths({})
return cls(dname, cfg.get('system_info'), paths)
def test_simple_write_ub(self):
ub_distro = self._get_distro('ubuntu')
with ExitStack() as mocks:
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=False))
ub_distro.apply_network(BASE_NET_CFG, False)
self.assertEqual(len(write_bufs), 1)
eni_name = '/etc/network/interfaces.d/50-cloud-init.cfg'
self.assertIn(eni_name, write_bufs)
write_buf = write_bufs[eni_name]
self.assertEqual(str(write_buf).strip(), BASE_NET_CFG.strip())
self.assertEqual(write_buf.mode, 0o644)
def test_apply_network_config_eni_ub(self):
ub_distro = self._get_distro('ubuntu')
with ExitStack() as mocks:
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
# eni availability checks
mocks.enter_context(
mock.patch.object(util, 'which', return_value=True))
mocks.enter_context(
mock.patch.object(eni, 'available', return_value=True))
mocks.enter_context(
mock.patch.object(util, 'ensure_dir'))
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=False))
mocks.enter_context(
mock.patch("cloudinit.net.eni.glob.glob",
return_value=[]))
ub_distro.apply_network_config(V1_NET_CFG, False)
self.assertEqual(len(write_bufs), 2)
eni_name = '/etc/network/interfaces.d/50-cloud-init.cfg'
self.assertIn(eni_name, write_bufs)
write_buf = write_bufs[eni_name]
self.assertEqual(str(write_buf).strip(), V1_NET_CFG_OUTPUT.strip())
self.assertEqual(write_buf.mode, 0o644)
def test_apply_network_config_v1_to_netplan_ub(self):
renderers = ['netplan']
devlist = ['eth0', 'lo']
ub_distro = self._get_distro('ubuntu', renderers=renderers)
with ExitStack() as mocks:
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
mocks.enter_context(
mock.patch.object(util, 'which', return_value=True))
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'ensure_dir'))
mocks.enter_context(
mock.patch.object(util, 'subp', return_value=(0, 0)))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=False))
mocks.enter_context(
mock.patch("cloudinit.net.netplan.get_devicelist",
return_value=devlist))
ub_distro.apply_network_config(V1_NET_CFG, False)
self.assertEqual(len(write_bufs), 1)
netplan_name = '/etc/netplan/50-cloud-init.yaml'
self.assertIn(netplan_name, write_bufs)
write_buf = write_bufs[netplan_name]
self.assertEqual(str(write_buf).strip(),
V1_TO_V2_NET_CFG_OUTPUT.strip())
self.assertEqual(write_buf.mode, 0o644)
def test_apply_network_config_v2_passthrough_ub(self):
renderers = ['netplan']
devlist = ['eth0', 'lo']
ub_distro = self._get_distro('ubuntu', renderers=renderers)
with ExitStack() as mocks:
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
mocks.enter_context(
mock.patch.object(util, 'which', return_value=True))
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'ensure_dir'))
mocks.enter_context(
mock.patch.object(util, 'subp', return_value=(0, 0)))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=False))
# FreeBSD does not have '/sys/class/net' file,
# so we need mock here.
mocks.enter_context(
mock.patch.object(os, 'listdir', return_value=devlist))
ub_distro.apply_network_config(V2_NET_CFG, False)
self.assertEqual(len(write_bufs), 1)
netplan_name = '/etc/netplan/50-cloud-init.yaml'
self.assertIn(netplan_name, write_bufs)
write_buf = write_bufs[netplan_name]
self.assertEqual(str(write_buf).strip(),
V2_TO_V2_NET_CFG_OUTPUT.strip())
self.assertEqual(write_buf.mode, 0o644)
def assertCfgEquals(self, blob1, blob2):
b1 = dict(SysConf(blob1.strip().splitlines()))
b2 = dict(SysConf(blob2.strip().splitlines()))
self.assertEqual(b1, b2)
for (k, v) in b1.items():
self.assertIn(k, b2)
for (k, v) in b2.items():
self.assertIn(k, b1)
for (k, v) in b1.items():
self.assertEqual(v, b2[k])
@mock.patch('cloudinit.distros.freebsd.Distro.get_ifconfig_list')
@mock.patch('cloudinit.distros.freebsd.Distro.get_ifconfig_ifname_out')
def test_get_ip_nic_freebsd(self, ifname_out, iflist):
frbsd_distro = self._get_distro('freebsd')
iflist.return_value = "lo0 hn0"
ifname_out.return_value = self.frbsd_ifout
res = frbsd_distro.get_ipv4()
self.assertEqual(res, ['lo0', 'hn0'])
res = frbsd_distro.get_ipv6()
self.assertEqual(res, [])
@mock.patch('cloudinit.distros.freebsd.Distro.get_ifconfig_ether')
@mock.patch('cloudinit.distros.freebsd.Distro.get_ifconfig_ifname_out')
@mock.patch('cloudinit.distros.freebsd.Distro.get_interface_mac')
def test_generate_fallback_config_freebsd(self, mac, ifname_out, if_ether):
frbsd_distro = self._get_distro('freebsd')
if_ether.return_value = 'hn0'
ifname_out.return_value = self.frbsd_ifout
mac.return_value = '00:15:5d:4c:73:00'
res = frbsd_distro.generate_fallback_config()
self.assertIsNotNone(res)
def test_simple_write_rh(self):
rh_distro = self._get_distro('rhel')
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
with ExitStack() as mocks:
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'load_file', return_value=''))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=False))
rh_distro.apply_network(BASE_NET_CFG, False)
self.assertEqual(len(write_bufs), 4)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-lo',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-lo']
expected_buf = '''
DEVICE="lo"
ONBOOT=yes
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth0',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth0']
expected_buf = '''
DEVICE="eth0"
BOOTPROTO="static"
NETMASK="255.255.255.0"
IPADDR="192.168.1.5"
ONBOOT=yes
GATEWAY="192.168.1.254"
BROADCAST="192.168.1.0"
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth1',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth1']
expected_buf = '''
DEVICE="eth1"
BOOTPROTO="dhcp"
ONBOOT=yes
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network', write_bufs)
write_buf = write_bufs['/etc/sysconfig/network']
expected_buf = '''
# Created by cloud-init v. 0.7
NETWORKING=yes
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
def test_apply_network_config_rh(self):
renderers = ['sysconfig']
rh_distro = self._get_distro('rhel', renderers=renderers)
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
with ExitStack() as mocks:
# sysconfig availability checks
mocks.enter_context(
mock.patch.object(util, 'which', return_value=True))
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'load_file', return_value=''))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=True))
rh_distro.apply_network_config(V1_NET_CFG, False)
self.assertEqual(len(write_bufs), 5)
# eth0
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth0',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth0']
expected_buf = '''
# Created by cloud-init on instance boot automatically, do not edit.
#
BOOTPROTO=none
DEVICE=eth0
IPADDR=192.168.1.5
NETMASK=255.255.255.0
NM_CONTROLLED=no
ONBOOT=yes
TYPE=Ethernet
USERCTL=no
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
# eth1
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth1',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth1']
expected_buf = '''
# Created by cloud-init on instance boot automatically, do not edit.
#
BOOTPROTO=dhcp
DEVICE=eth1
NM_CONTROLLED=no
ONBOOT=yes
TYPE=Ethernet
USERCTL=no
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network', write_bufs)
write_buf = write_bufs['/etc/sysconfig/network']
expected_buf = '''
# Created by cloud-init v. 0.7
NETWORKING=yes
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
def test_write_ipv6_rhel(self):
rh_distro = self._get_distro('rhel')
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
with ExitStack() as mocks:
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'load_file', return_value=''))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=False))
rh_distro.apply_network(BASE_NET_CFG_IPV6, False)
self.assertEqual(len(write_bufs), 4)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-lo',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-lo']
expected_buf = '''
DEVICE="lo"
ONBOOT=yes
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth0',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth0']
expected_buf = '''
DEVICE="eth0"
BOOTPROTO="static"
NETMASK="255.255.255.0"
IPADDR="192.168.1.5"
ONBOOT=yes
GATEWAY="192.168.1.254"
BROADCAST="192.168.1.0"
IPV6INIT=yes
IPV6ADDR="2607:f0d0:1002:0011::2"
IPV6_DEFAULTGW="2607:f0d0:1002:0011::1"
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth1',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth1']
expected_buf = '''
DEVICE="eth1"
BOOTPROTO="static"
NETMASK="255.255.255.0"
IPADDR="192.168.1.6"
ONBOOT=no
GATEWAY="192.168.1.254"
BROADCAST="192.168.1.0"
IPV6INIT=yes
IPV6ADDR="2607:f0d0:1002:0011::3"
IPV6_DEFAULTGW="2607:f0d0:1002:0011::1"
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network', write_bufs)
write_buf = write_bufs['/etc/sysconfig/network']
expected_buf = '''
# Created by cloud-init v. 0.7
NETWORKING=yes
NETWORKING_IPV6=yes
IPV6_AUTOCONF=no
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
def test_apply_network_config_ipv6_rh(self):
renderers = ['sysconfig']
rh_distro = self._get_distro('rhel', renderers=renderers)
write_bufs = {}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
with ExitStack() as mocks:
mocks.enter_context(
mock.patch.object(util, 'which', return_value=True))
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'load_file', return_value=''))
mocks.enter_context(
mock.patch.object(os.path, 'isfile', return_value=True))
rh_distro.apply_network_config(V1_NET_CFG_IPV6, False)
self.assertEqual(len(write_bufs), 5)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth0',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth0']
expected_buf = '''
# Created by cloud-init on instance boot automatically, do not edit.
#
BOOTPROTO=none
DEVICE=eth0
IPV6ADDR=2607:f0d0:1002:0011::2/64
IPV6INIT=yes
NM_CONTROLLED=no
ONBOOT=yes
TYPE=Ethernet
USERCTL=no
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network-scripts/ifcfg-eth1',
write_bufs)
write_buf = write_bufs['/etc/sysconfig/network-scripts/ifcfg-eth1']
expected_buf = '''
# Created by cloud-init on instance boot automatically, do not edit.
#
BOOTPROTO=dhcp
DEVICE=eth1
NM_CONTROLLED=no
ONBOOT=yes
TYPE=Ethernet
USERCTL=no
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
self.assertIn('/etc/sysconfig/network', write_bufs)
write_buf = write_bufs['/etc/sysconfig/network']
expected_buf = '''
# Created by cloud-init v. 0.7
NETWORKING=yes
NETWORKING_IPV6=yes
IPV6_AUTOCONF=no
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
def test_simple_write_freebsd(self):
fbsd_distro = self._get_distro('freebsd')
write_bufs = {}
read_bufs = {
'/etc/rc.conf': '',
'/etc/resolv.conf': '',
}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
def replace_read(fname, read_cb=None, quiet=False):
if fname not in read_bufs:
if fname in write_bufs:
return str(write_bufs[fname])
raise IOError("%s not found" % fname)
else:
if fname in write_bufs:
return str(write_bufs[fname])
return read_bufs[fname]
with ExitStack() as mocks:
mocks.enter_context(
mock.patch.object(util, 'subp', return_value=('vtnet0', '')))
mocks.enter_context(
mock.patch.object(os.path, 'exists', return_value=False))
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'load_file', replace_read))
fbsd_distro.apply_network(BASE_NET_CFG, False)
self.assertIn('/etc/rc.conf', write_bufs)
write_buf = write_bufs['/etc/rc.conf']
expected_buf = '''
ifconfig_vtnet0="192.168.1.5 netmask 255.255.255.0"
ifconfig_vtnet1="DHCP"
defaultrouter="192.168.1.254"
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
def test_apply_network_config_fallback(self):
fbsd_distro = self._get_distro('freebsd')
# a weak attempt to verify that we don't have an implementation
# of _write_network_config or apply_network_config in fbsd now,
# which would make this test not actually test the fallback.
self.assertRaises(
NotImplementedError, fbsd_distro._write_network_config,
BASE_NET_CFG)
# now run
mynetcfg = {
'config': [{"type": "physical", "name": "eth0",
"mac_address": "c0:d6:9f:2c:e8:80",
"subnets": [{"type": "dhcp"}]}],
'version': 1}
write_bufs = {}
read_bufs = {
'/etc/rc.conf': '',
'/etc/resolv.conf': '',
}
def replace_write(filename, content, mode=0o644, omode="wb"):
buf = WriteBuffer()
buf.mode = mode
buf.omode = omode
buf.write(content)
write_bufs[filename] = buf
def replace_read(fname, read_cb=None, quiet=False):
if fname not in read_bufs:
if fname in write_bufs:
return str(write_bufs[fname])
raise IOError("%s not found" % fname)
else:
if fname in write_bufs:
return str(write_bufs[fname])
return read_bufs[fname]
with ExitStack() as mocks:
mocks.enter_context(
mock.patch.object(util, 'subp', return_value=('vtnet0', '')))
mocks.enter_context(
mock.patch.object(os.path, 'exists', return_value=False))
mocks.enter_context(
mock.patch.object(util, 'write_file', replace_write))
mocks.enter_context(
mock.patch.object(util, 'load_file', replace_read))
fbsd_distro.apply_network_config(mynetcfg, bring_up=False)
self.assertIn('/etc/rc.conf', write_bufs)
write_buf = write_bufs['/etc/rc.conf']
expected_buf = '''
ifconfig_vtnet0="DHCP"
'''
self.assertCfgEquals(expected_buf, str(write_buf))
self.assertEqual(write_buf.mode, 0o644)
# vi: ts=4 expandtab
|
