summaryrefslogtreecommitdiff
path: root/tests/unittests/test_datasource/test_azure.py
blob: 254e9876bd5b372a904fd8cc17dd626f55263723 (plain)
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
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
# This file is part of cloud-init. See LICENSE file for license information.

from cloudinit import helpers
from cloudinit.util import b64e, decode_binary, load_file, write_file
from cloudinit.sources import DataSourceAzure as dsaz
from cloudinit.util import find_freebsd_part
from cloudinit.util import get_path_dev_freebsd
from cloudinit.version import version_string as vs
from cloudinit.tests.helpers import (CiTestCase, TestCase, populate_dir, mock,
                                     ExitStack, PY26, SkipTest)

import crypt
import os
import stat
import xml.etree.ElementTree as ET
import yaml


def construct_valid_ovf_env(data=None, pubkeys=None,
                            userdata=None, platform_settings=None):
    if data is None:
        data = {'HostName': 'FOOHOST'}
    if pubkeys is None:
        pubkeys = {}

    content = """<?xml version="1.0" encoding="utf-8"?>
<Environment xmlns="http://schemas.dmtf.org/ovf/environment/1"
 xmlns:oe="http://schemas.dmtf.org/ovf/environment/1"
 xmlns:wa="http://schemas.microsoft.com/windowsazure"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

 <wa:ProvisioningSection><wa:Version>1.0</wa:Version>
 <LinuxProvisioningConfigurationSet
  xmlns="http://schemas.microsoft.com/windowsazure"
  xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
  <ConfigurationSetType>LinuxProvisioningConfiguration</ConfigurationSetType>
    """
    for key, dval in data.items():
        if isinstance(dval, dict):
            val = dict(dval).get('text')
            attrs = ' ' + ' '.join(["%s='%s'" % (k, v) for k, v
                                    in dict(dval).items() if k != 'text'])
        else:
            val = dval
            attrs = ""
        content += "<%s%s>%s</%s>\n" % (key, attrs, val, key)

    if userdata:
        content += "<UserData>%s</UserData>\n" % (b64e(userdata))

    if pubkeys:
        content += "<SSH><PublicKeys>\n"
        for fp, path, value in pubkeys:
            content += " <PublicKey>"
            if fp and path:
                content += ("<Fingerprint>%s</Fingerprint><Path>%s</Path>" %
                            (fp, path))
            if value:
                content += "<Value>%s</Value>" % value
            content += "</PublicKey>\n"
        content += "</PublicKeys></SSH>"
    content += """
 </LinuxProvisioningConfigurationSet>
 </wa:ProvisioningSection>
 <wa:PlatformSettingsSection><wa:Version>1.0</wa:Version>
 <PlatformSettings xmlns="http://schemas.microsoft.com/windowsazure"
  xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
 <KmsServerHostname>kms.core.windows.net</KmsServerHostname>
 <ProvisionGuestAgent>false</ProvisionGuestAgent>
 <GuestAgentPackageName i:nil="true" />"""
    if platform_settings:
        for k, v in platform_settings.items():
            content += "<%s>%s</%s>\n" % (k, v, k)
    content += """</PlatformSettings></wa:PlatformSettingsSection>
</Environment>"""

    return content


class TestAzureDataSource(CiTestCase):

    with_logs = True

    def setUp(self):
        super(TestAzureDataSource, self).setUp()
        if PY26:
            raise SkipTest("Does not work on python 2.6")
        self.tmp = self.tmp_dir()

        # patch cloud_dir, so our 'seed_dir' is guaranteed empty
        self.paths = helpers.Paths(
            {'cloud_dir': self.tmp, 'run_dir': self.tmp})
        self.waagent_d = os.path.join(self.tmp, 'var', 'lib', 'waagent')

        self.patches = ExitStack()
        self.addCleanup(self.patches.close)

        super(TestAzureDataSource, self).setUp()

    def apply_patches(self, patches):
        for module, name, new in patches:
            self.patches.enter_context(mock.patch.object(module, name, new))

    def _get_mockds(self):
        sysctl_out = "dev.storvsc.3.%pnpinfo: "\
                     "classid=ba6163d9-04a1-4d29-b605-72e2ffb1dc7f "\
                     "deviceid=f8b3781b-1e82-4818-a1c3-63d806ec15bb\n"
        sysctl_out += "dev.storvsc.2.%pnpinfo: "\
                      "classid=ba6163d9-04a1-4d29-b605-72e2ffb1dc7f "\
                      "deviceid=f8b3781a-1e82-4818-a1c3-63d806ec15bb\n"
        sysctl_out += "dev.storvsc.1.%pnpinfo: "\
                      "classid=32412632-86cb-44a2-9b5c-50d1417354f5 "\
                      "deviceid=00000000-0001-8899-0000-000000000000\n"
        camctl_devbus = """
scbus0 on ata0 bus 0
scbus1 on ata1 bus 0
scbus2 on blkvsc0 bus 0
scbus3 on blkvsc1 bus 0
scbus4 on storvsc2 bus 0
scbus5 on storvsc3 bus 0
scbus-1 on xpt0 bus 0
        """
        camctl_dev = """
<Msft Virtual CD/ROM 1.0>          at scbus1 target 0 lun 0 (cd0,pass0)
<Msft Virtual Disk 1.0>            at scbus2 target 0 lun 0 (da0,pass1)
<Msft Virtual Disk 1.0>            at scbus3 target 1 lun 0 (da1,pass2)
        """
        self.apply_patches([
            (dsaz, 'get_dev_storvsc_sysctl', mock.MagicMock(
                return_value=sysctl_out)),
            (dsaz, 'get_camcontrol_dev_bus', mock.MagicMock(
                return_value=camctl_devbus)),
            (dsaz, 'get_camcontrol_dev', mock.MagicMock(
                return_value=camctl_dev))
        ])
        return dsaz

    def _get_ds(self, data, agent_command=None):

        def dsdevs():
            return data.get('dsdevs', [])

        def _invoke_agent(cmd):
            data['agent_invoked'] = cmd

        def _wait_for_files(flist, _maxwait=None, _naplen=None):
            data['waited'] = flist
            return []

        def _pubkeys_from_crt_files(flist):
            data['pubkey_files'] = flist
            return ["pubkey_from: %s" % f for f in flist]

        if data.get('ovfcontent') is not None:
            populate_dir(os.path.join(self.paths.seed_dir, "azure"),
                         {'ovf-env.xml': data['ovfcontent']})

        dsaz.BUILTIN_DS_CONFIG['data_dir'] = self.waagent_d

        self.get_metadata_from_fabric = mock.MagicMock(return_value={
            'public-keys': [],
        })

        self.instance_id = 'test-instance-id'

        def _dmi_mocks(key):
            if key == 'system-uuid':
                return self.instance_id
            elif key == 'chassis-asset-tag':
                return '7783-7084-3265-9085-8269-3286-77'

        self.apply_patches([
            (dsaz, 'list_possible_azure_ds_devs', dsdevs),
            (dsaz, 'invoke_agent', _invoke_agent),
            (dsaz, 'pubkeys_from_crt_files', _pubkeys_from_crt_files),
            (dsaz, 'perform_hostname_bounce', mock.MagicMock()),
            (dsaz, 'get_hostname', mock.MagicMock()),
            (dsaz, 'set_hostname', mock.MagicMock()),
            (dsaz, 'get_metadata_from_fabric', self.get_metadata_from_fabric),
            (dsaz.util, 'which', lambda x: True),
            (dsaz.util, 'read_dmi_data', mock.MagicMock(
                side_effect=_dmi_mocks)),
            (dsaz.util, 'wait_for_files', mock.MagicMock(
                side_effect=_wait_for_files)),
        ])

        dsrc = dsaz.DataSourceAzure(
            data.get('sys_cfg', {}), distro=None, paths=self.paths)
        if agent_command is not None:
            dsrc.ds_cfg['agent_command'] = agent_command

        return dsrc

    def _get_and_setup(self, dsrc):
        ret = dsrc.get_data()
        if ret:
            dsrc.setup(True)
        return ret

    def xml_equals(self, oxml, nxml):
        """Compare two sets of XML to make sure they are equal"""

        def create_tag_index(xml):
            et = ET.fromstring(xml)
            ret = {}
            for x in et.iter():
                ret[x.tag] = x
            return ret

        def tags_exists(x, y):
            for tag in x.keys():
                self.assertIn(tag, y)
            for tag in y.keys():
                self.assertIn(tag, x)

        def tags_equal(x, y):
            for x_tag, x_val in x.items():
                y_val = y.get(x_val.tag)
                self.assertEqual(x_val.text, y_val.text)

        old_cnt = create_tag_index(oxml)
        new_cnt = create_tag_index(nxml)
        tags_exists(old_cnt, new_cnt)
        tags_equal(old_cnt, new_cnt)

    def xml_notequals(self, oxml, nxml):
        try:
            self.xml_equals(oxml, nxml)
        except AssertionError:
            return
        raise AssertionError("XML is the same")

    def test_get_resource_disk(self):
        ds = self._get_mockds()
        dev = ds.get_resource_disk_on_freebsd(1)
        self.assertEqual("da1", dev)

    @mock.patch('cloudinit.util.subp')
    def test_find_freebsd_part_on_Azure(self, mock_subp):
        glabel_out = '''
gptid/fa52d426-c337-11e6-8911-00155d4c5e47  N/A  da0p1
                              label/rootfs  N/A  da0p2
                                label/swap  N/A  da0p3
'''
        mock_subp.return_value = (glabel_out, "")
        res = find_freebsd_part("/dev/label/rootfs")
        self.assertEqual("da0p2", res)

    def test_get_path_dev_freebsd_on_Azure(self):
        mnt_list = '''
/dev/label/rootfs  /                ufs     rw              1 1
devfs              /dev             devfs   rw,multilabel   0 0
fdescfs            /dev/fd          fdescfs rw              0 0
/dev/da1s1         /mnt/resource    ufs     rw              2 2
'''
        with mock.patch.object(os.path, 'exists',
                               return_value=True):
            res = get_path_dev_freebsd('/etc', mnt_list)
            self.assertIsNotNone(res)

    @mock.patch('cloudinit.sources.DataSourceAzure.util.read_dmi_data')
    def test_non_azure_dmi_chassis_asset_tag(self, m_read_dmi_data):
        """Report non-azure when DMI's chassis asset tag doesn't match.

        Return False when the asset tag doesn't match Azure's static
        AZURE_CHASSIS_ASSET_TAG.
        """
        # Return a non-matching asset tag value
        nonazure_tag = dsaz.AZURE_CHASSIS_ASSET_TAG + 'X'
        m_read_dmi_data.return_value = nonazure_tag
        dsrc = dsaz.DataSourceAzure(
            {}, distro=None, paths=self.paths)
        self.assertFalse(dsrc.get_data())
        self.assertEqual(
            "DEBUG: Non-Azure DMI asset tag '{0}' discovered.\n".format(
                nonazure_tag),
            self.logs.getvalue())

    def test_basic_seed_dir(self):
        odata = {'HostName': "myhost", 'UserName': "myuser"}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata),
                'sys_cfg': {}}

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)
        self.assertEqual(dsrc.userdata_raw, "")
        self.assertEqual(dsrc.metadata['local-hostname'], odata['HostName'])
        self.assertTrue(os.path.isfile(
            os.path.join(self.waagent_d, 'ovf-env.xml')))

    def test_waagent_d_has_0700_perms(self):
        # we expect /var/lib/waagent to be created 0700
        dsrc = self._get_ds({'ovfcontent': construct_valid_ovf_env()})
        ret = dsrc.get_data()
        self.assertTrue(ret)
        self.assertTrue(os.path.isdir(self.waagent_d))
        self.assertEqual(stat.S_IMODE(os.stat(self.waagent_d).st_mode), 0o700)

    def test_user_cfg_set_agent_command_plain(self):
        # set dscfg in via plaintext
        # we must have friendly-to-xml formatted plaintext in yaml_cfg
        # not all plaintext is expected to work.
        yaml_cfg = "{agent_command: my_command}\n"
        cfg = yaml.safe_load(yaml_cfg)
        odata = {'HostName': "myhost", 'UserName': "myuser",
                 'dscfg': {'text': yaml_cfg, 'encoding': 'plain'}}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata)}

        dsrc = self._get_ds(data)
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(data['agent_invoked'], cfg['agent_command'])

    def test_user_cfg_set_agent_command(self):
        # set dscfg in via base64 encoded yaml
        cfg = {'agent_command': "my_command"}
        odata = {'HostName': "myhost", 'UserName': "myuser",
                 'dscfg': {'text': b64e(yaml.dump(cfg)),
                           'encoding': 'base64'}}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata)}

        dsrc = self._get_ds(data)
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(data['agent_invoked'], cfg['agent_command'])

    def test_sys_cfg_set_agent_command(self):
        sys_cfg = {'datasource': {'Azure': {'agent_command': '_COMMAND'}}}
        data = {'ovfcontent': construct_valid_ovf_env(data={}),
                'sys_cfg': sys_cfg}

        dsrc = self._get_ds(data)
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(data['agent_invoked'], '_COMMAND')

    def test_username_used(self):
        odata = {'HostName': "myhost", 'UserName': "myuser"}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata)}

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)
        self.assertEqual(dsrc.cfg['system_info']['default_user']['name'],
                         "myuser")

    def test_password_given(self):
        odata = {'HostName': "myhost", 'UserName': "myuser",
                 'UserPassword': "mypass"}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata)}

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)
        self.assertTrue('default_user' in dsrc.cfg['system_info'])
        defuser = dsrc.cfg['system_info']['default_user']

        # default user should be updated username and should not be locked.
        self.assertEqual(defuser['name'], odata['UserName'])
        self.assertFalse(defuser['lock_passwd'])
        # passwd is crypt formated string $id$salt$encrypted
        # encrypting plaintext with salt value of everything up to final '$'
        # should equal that after the '$'
        pos = defuser['passwd'].rfind("$") + 1
        self.assertEqual(defuser['passwd'],
                         crypt.crypt(odata['UserPassword'],
                                     defuser['passwd'][0:pos]))

    def test_userdata_plain(self):
        mydata = "FOOBAR"
        odata = {'UserData': {'text': mydata, 'encoding': 'plain'}}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata)}

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)
        self.assertEqual(decode_binary(dsrc.userdata_raw), mydata)

    def test_userdata_found(self):
        mydata = "FOOBAR"
        odata = {'UserData': {'text': b64e(mydata), 'encoding': 'base64'}}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata)}

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)
        self.assertEqual(dsrc.userdata_raw, mydata.encode('utf-8'))

    def test_no_datasource_expected(self):
        # no source should be found if no seed_dir and no devs
        data = {}
        dsrc = self._get_ds({})
        ret = dsrc.get_data()
        self.assertFalse(ret)
        self.assertFalse('agent_invoked' in data)

    def test_cfg_has_pubkeys_fingerprint(self):
        odata = {'HostName': "myhost", 'UserName': "myuser"}
        mypklist = [{'fingerprint': 'fp1', 'path': 'path1', 'value': ''}]
        pubkeys = [(x['fingerprint'], x['path'], x['value']) for x in mypklist]
        data = {'ovfcontent': construct_valid_ovf_env(data=odata,
                                                      pubkeys=pubkeys)}

        dsrc = self._get_ds(data, agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        for mypk in mypklist:
            self.assertIn(mypk, dsrc.cfg['_pubkeys'])
            self.assertIn('pubkey_from', dsrc.metadata['public-keys'][-1])

    def test_cfg_has_pubkeys_value(self):
        # make sure that provided key is used over fingerprint
        odata = {'HostName': "myhost", 'UserName': "myuser"}
        mypklist = [{'fingerprint': 'fp1', 'path': 'path1', 'value': 'value1'}]
        pubkeys = [(x['fingerprint'], x['path'], x['value']) for x in mypklist]
        data = {'ovfcontent': construct_valid_ovf_env(data=odata,
                                                      pubkeys=pubkeys)}

        dsrc = self._get_ds(data, agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)

        for mypk in mypklist:
            self.assertIn(mypk, dsrc.cfg['_pubkeys'])
            self.assertIn(mypk['value'], dsrc.metadata['public-keys'])

    def test_cfg_has_no_fingerprint_has_value(self):
        # test value is used when fingerprint not provided
        odata = {'HostName': "myhost", 'UserName': "myuser"}
        mypklist = [{'fingerprint': None, 'path': 'path1', 'value': 'value1'}]
        pubkeys = [(x['fingerprint'], x['path'], x['value']) for x in mypklist]
        data = {'ovfcontent': construct_valid_ovf_env(data=odata,
                                                      pubkeys=pubkeys)}

        dsrc = self._get_ds(data, agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)

        for mypk in mypklist:
            self.assertIn(mypk['value'], dsrc.metadata['public-keys'])

    def test_default_ephemeral(self):
        # make sure the ephemeral device works
        odata = {}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata),
                'sys_cfg': {}}

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)
        cfg = dsrc.get_config_obj()

        self.assertEqual(dsrc.device_name_to_device("ephemeral0"),
                         dsaz.RESOURCE_DISK_PATH)
        assert 'disk_setup' in cfg
        assert 'fs_setup' in cfg
        self.assertIsInstance(cfg['disk_setup'], dict)
        self.assertIsInstance(cfg['fs_setup'], list)

    def test_provide_disk_aliases(self):
        # Make sure that user can affect disk aliases
        dscfg = {'disk_aliases': {'ephemeral0': '/dev/sdc'}}
        odata = {'HostName': "myhost", 'UserName': "myuser",
                 'dscfg': {'text': b64e(yaml.dump(dscfg)),
                           'encoding': 'base64'}}
        usercfg = {'disk_setup': {'/dev/sdc': {'something': '...'},
                                  'ephemeral0': False}}
        userdata = '#cloud-config' + yaml.dump(usercfg) + "\n"

        ovfcontent = construct_valid_ovf_env(data=odata, userdata=userdata)
        data = {'ovfcontent': ovfcontent, 'sys_cfg': {}}

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)
        cfg = dsrc.get_config_obj()
        self.assertTrue(cfg)

    def test_userdata_arrives(self):
        userdata = "This is my user-data"
        xml = construct_valid_ovf_env(data={}, userdata=userdata)
        data = {'ovfcontent': xml}
        dsrc = self._get_ds(data)
        dsrc.get_data()

        self.assertEqual(userdata.encode('us-ascii'), dsrc.userdata_raw)

    def test_password_redacted_in_ovf(self):
        odata = {'HostName': "myhost", 'UserName': "myuser",
                 'UserPassword': "mypass"}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata)}
        dsrc = self._get_ds(data)
        ret = dsrc.get_data()

        self.assertTrue(ret)
        ovf_env_path = os.path.join(self.waagent_d, 'ovf-env.xml')

        # The XML should not be same since the user password is redacted
        on_disk_ovf = load_file(ovf_env_path)
        self.xml_notequals(data['ovfcontent'], on_disk_ovf)

        # Make sure that the redacted password on disk is not used by CI
        self.assertNotEqual(dsrc.cfg.get('password'),
                            dsaz.DEF_PASSWD_REDACTION)

        # Make sure that the password was really encrypted
        et = ET.fromstring(on_disk_ovf)
        for elem in et.iter():
            if 'UserPassword' in elem.tag:
                self.assertEqual(dsaz.DEF_PASSWD_REDACTION, elem.text)

    def test_ovf_env_arrives_in_waagent_dir(self):
        xml = construct_valid_ovf_env(data={}, userdata="FOODATA")
        dsrc = self._get_ds({'ovfcontent': xml})
        dsrc.get_data()

        # 'data_dir' is '/var/lib/waagent' (walinux-agent's state dir)
        # we expect that the ovf-env.xml file is copied there.
        ovf_env_path = os.path.join(self.waagent_d, 'ovf-env.xml')
        self.assertTrue(os.path.exists(ovf_env_path))
        self.xml_equals(xml, load_file(ovf_env_path))

    def test_ovf_can_include_unicode(self):
        xml = construct_valid_ovf_env(data={})
        xml = u'\ufeff{0}'.format(xml)
        dsrc = self._get_ds({'ovfcontent': xml})
        dsrc.get_data()

    def test_exception_fetching_fabric_data_doesnt_propagate(self):
        """Errors communicating with fabric should warn, but return True."""
        dsrc = self._get_ds({'ovfcontent': construct_valid_ovf_env()})
        dsrc.ds_cfg['agent_command'] = '__builtin__'
        self.get_metadata_from_fabric.side_effect = Exception
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)

    def test_fabric_data_included_in_metadata(self):
        dsrc = self._get_ds({'ovfcontent': construct_valid_ovf_env()})
        dsrc.ds_cfg['agent_command'] = '__builtin__'
        self.get_metadata_from_fabric.return_value = {'test': 'value'}
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual('value', dsrc.metadata['test'])

    def test_instance_id_from_dmidecode_used(self):
        ds = self._get_ds({'ovfcontent': construct_valid_ovf_env()})
        ds.get_data()
        self.assertEqual(self.instance_id, ds.metadata['instance-id'])

    def test_instance_id_from_dmidecode_used_for_builtin(self):
        ds = self._get_ds({'ovfcontent': construct_valid_ovf_env()})
        ds.ds_cfg['agent_command'] = '__builtin__'
        ds.get_data()
        self.assertEqual(self.instance_id, ds.metadata['instance-id'])

    @mock.patch("cloudinit.sources.DataSourceAzure.util.is_FreeBSD")
    @mock.patch("cloudinit.sources.DataSourceAzure._check_freebsd_cdrom")
    def test_list_possible_azure_ds_devs(self, m_check_fbsd_cdrom,
                                         m_is_FreeBSD):
        """On FreeBSD, possible devs should show /dev/cd0."""
        m_is_FreeBSD.return_value = True
        m_check_fbsd_cdrom.return_value = True
        self.assertEqual(dsaz.list_possible_azure_ds_devs(), ['/dev/cd0'])
        self.assertEqual(
            [mock.call("/dev/cd0")], m_check_fbsd_cdrom.call_args_list)

    @mock.patch('cloudinit.net.get_interface_mac')
    @mock.patch('cloudinit.net.get_devicelist')
    @mock.patch('cloudinit.net.device_driver')
    @mock.patch('cloudinit.net.generate_fallback_config')
    def test_network_config(self, mock_fallback, mock_dd,
                            mock_devlist, mock_get_mac):
        odata = {'HostName': "myhost", 'UserName': "myuser"}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata),
                'sys_cfg': {}}

        fallback_config = {
            'version': 1,
            'config': [{
                'type': 'physical', 'name': 'eth0',
                'mac_address': '00:11:22:33:44:55',
                'params': {'driver': 'hv_netsvc'},
                'subnets': [{'type': 'dhcp'}],
            }]
        }
        mock_fallback.return_value = fallback_config

        mock_devlist.return_value = ['eth0']
        mock_dd.return_value = ['hv_netsvc']
        mock_get_mac.return_value = '00:11:22:33:44:55'

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)

        netconfig = dsrc.network_config
        self.assertEqual(netconfig, fallback_config)
        mock_fallback.assert_called_with(blacklist_drivers=['mlx4_core'],
                                         config_driver=True)

    @mock.patch('cloudinit.net.get_interface_mac')
    @mock.patch('cloudinit.net.get_devicelist')
    @mock.patch('cloudinit.net.device_driver')
    @mock.patch('cloudinit.net.generate_fallback_config')
    def test_network_config_blacklist(self, mock_fallback, mock_dd,
                                      mock_devlist, mock_get_mac):
        odata = {'HostName': "myhost", 'UserName': "myuser"}
        data = {'ovfcontent': construct_valid_ovf_env(data=odata),
                'sys_cfg': {}}

        fallback_config = {
            'version': 1,
            'config': [{
                'type': 'physical', 'name': 'eth0',
                'mac_address': '00:11:22:33:44:55',
                'params': {'driver': 'hv_netsvc'},
                'subnets': [{'type': 'dhcp'}],
            }]
        }
        blacklist_config = {
            'type': 'physical',
            'name': 'eth1',
            'mac_address': '00:11:22:33:44:55',
            'params': {'driver': 'mlx4_core'}
        }
        mock_fallback.return_value = fallback_config

        mock_devlist.return_value = ['eth0', 'eth1']
        mock_dd.side_effect = [
            'hv_netsvc',  # list composition, skipped
            'mlx4_core',  # list composition, match
            'mlx4_core',  # config get driver name
        ]
        mock_get_mac.return_value = '00:11:22:33:44:55'

        dsrc = self._get_ds(data)
        ret = dsrc.get_data()
        self.assertTrue(ret)

        netconfig = dsrc.network_config
        expected_config = fallback_config
        expected_config['config'].append(blacklist_config)
        self.assertEqual(netconfig, expected_config)


class TestAzureBounce(CiTestCase):

    with_logs = True

    def mock_out_azure_moving_parts(self):
        self.patches.enter_context(
            mock.patch.object(dsaz, 'invoke_agent'))
        self.patches.enter_context(
            mock.patch.object(dsaz.util, 'wait_for_files'))
        self.patches.enter_context(
            mock.patch.object(dsaz, 'list_possible_azure_ds_devs',
                              mock.MagicMock(return_value=[])))
        self.patches.enter_context(
            mock.patch.object(dsaz, 'get_metadata_from_fabric',
                              mock.MagicMock(return_value={})))
        self.patches.enter_context(
            mock.patch.object(dsaz.util, 'which', lambda x: True))

        def _dmi_mocks(key):
            if key == 'system-uuid':
                return 'test-instance-id'
            elif key == 'chassis-asset-tag':
                return '7783-7084-3265-9085-8269-3286-77'
            raise RuntimeError('should not get here')

        self.patches.enter_context(
            mock.patch.object(dsaz.util, 'read_dmi_data',
                              mock.MagicMock(side_effect=_dmi_mocks)))

    def setUp(self):
        super(TestAzureBounce, self).setUp()
        self.tmp = self.tmp_dir()
        self.waagent_d = os.path.join(self.tmp, 'var', 'lib', 'waagent')
        self.paths = helpers.Paths(
            {'cloud_dir': self.tmp, 'run_dir': self.tmp})
        dsaz.BUILTIN_DS_CONFIG['data_dir'] = self.waagent_d
        self.patches = ExitStack()
        self.mock_out_azure_moving_parts()
        self.get_hostname = self.patches.enter_context(
            mock.patch.object(dsaz, 'get_hostname'))
        self.set_hostname = self.patches.enter_context(
            mock.patch.object(dsaz, 'set_hostname'))
        self.subp = self.patches.enter_context(
            mock.patch('cloudinit.sources.DataSourceAzure.util.subp'))

    def tearDown(self):
        self.patches.close()

    def _get_ds(self, ovfcontent=None, agent_command=None):
        if ovfcontent is not None:
            populate_dir(os.path.join(self.paths.seed_dir, "azure"),
                         {'ovf-env.xml': ovfcontent})
        dsrc = dsaz.DataSourceAzure(
            {}, distro=None, paths=self.paths)
        if agent_command is not None:
            dsrc.ds_cfg['agent_command'] = agent_command
        return dsrc

    def _get_and_setup(self, dsrc):
        ret = dsrc.get_data()
        if ret:
            dsrc.setup(True)
        return ret

    def get_ovf_env_with_dscfg(self, hostname, cfg):
        odata = {
            'HostName': hostname,
            'dscfg': {
                'text': b64e(yaml.dump(cfg)),
                'encoding': 'base64'
            }
        }
        return construct_valid_ovf_env(data=odata)

    def test_disabled_bounce_does_not_change_hostname(self):
        cfg = {'hostname_bounce': {'policy': 'off'}}
        ds = self._get_ds(self.get_ovf_env_with_dscfg('test-host', cfg))
        ds.get_data()
        self.assertEqual(0, self.set_hostname.call_count)

    @mock.patch('cloudinit.sources.DataSourceAzure.perform_hostname_bounce')
    def test_disabled_bounce_does_not_perform_bounce(
            self, perform_hostname_bounce):
        cfg = {'hostname_bounce': {'policy': 'off'}}
        ds = self._get_ds(self.get_ovf_env_with_dscfg('test-host', cfg))
        ds.get_data()
        self.assertEqual(0, perform_hostname_bounce.call_count)

    def test_same_hostname_does_not_change_hostname(self):
        host_name = 'unchanged-host-name'
        self.get_hostname.return_value = host_name
        cfg = {'hostname_bounce': {'policy': 'yes'}}
        ds = self._get_ds(self.get_ovf_env_with_dscfg(host_name, cfg))
        ds.get_data()
        self.assertEqual(0, self.set_hostname.call_count)

    @mock.patch('cloudinit.sources.DataSourceAzure.perform_hostname_bounce')
    def test_unchanged_hostname_does_not_perform_bounce(
            self, perform_hostname_bounce):
        host_name = 'unchanged-host-name'
        self.get_hostname.return_value = host_name
        cfg = {'hostname_bounce': {'policy': 'yes'}}
        ds = self._get_ds(self.get_ovf_env_with_dscfg(host_name, cfg))
        ds.get_data()
        self.assertEqual(0, perform_hostname_bounce.call_count)

    @mock.patch('cloudinit.sources.DataSourceAzure.perform_hostname_bounce')
    def test_force_performs_bounce_regardless(self, perform_hostname_bounce):
        host_name = 'unchanged-host-name'
        self.get_hostname.return_value = host_name
        cfg = {'hostname_bounce': {'policy': 'force'}}
        dsrc = self._get_ds(self.get_ovf_env_with_dscfg(host_name, cfg),
                            agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(1, perform_hostname_bounce.call_count)

    def test_bounce_skipped_on_ifupdown_absent(self):
        host_name = 'unchanged-host-name'
        self.get_hostname.return_value = host_name
        cfg = {'hostname_bounce': {'policy': 'force'}}
        dsrc = self._get_ds(self.get_ovf_env_with_dscfg(host_name, cfg),
                            agent_command=['not', '__builtin__'])
        patch_path = 'cloudinit.sources.DataSourceAzure.util.which'
        with mock.patch(patch_path) as m_which:
            m_which.return_value = None
            ret = self._get_and_setup(dsrc)
        self.assertEqual([mock.call('ifup')], m_which.call_args_list)
        self.assertTrue(ret)
        self.assertIn(
            "Skipping network bounce: ifupdown utils aren't present.",
            self.logs.getvalue())

    def test_different_hostnames_sets_hostname(self):
        expected_hostname = 'azure-expected-host-name'
        self.get_hostname.return_value = 'default-host-name'
        dsrc = self._get_ds(
            self.get_ovf_env_with_dscfg(expected_hostname, {}),
            agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(expected_hostname,
                         self.set_hostname.call_args_list[0][0][0])

    @mock.patch('cloudinit.sources.DataSourceAzure.perform_hostname_bounce')
    def test_different_hostnames_performs_bounce(
            self, perform_hostname_bounce):
        expected_hostname = 'azure-expected-host-name'
        self.get_hostname.return_value = 'default-host-name'
        dsrc = self._get_ds(
            self.get_ovf_env_with_dscfg(expected_hostname, {}),
            agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(1, perform_hostname_bounce.call_count)

    def test_different_hostnames_sets_hostname_back(self):
        initial_host_name = 'default-host-name'
        self.get_hostname.return_value = initial_host_name
        dsrc = self._get_ds(
            self.get_ovf_env_with_dscfg('some-host-name', {}),
            agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(initial_host_name,
                         self.set_hostname.call_args_list[-1][0][0])

    @mock.patch('cloudinit.sources.DataSourceAzure.perform_hostname_bounce')
    def test_failure_in_bounce_still_resets_host_name(
            self, perform_hostname_bounce):
        perform_hostname_bounce.side_effect = Exception
        initial_host_name = 'default-host-name'
        self.get_hostname.return_value = initial_host_name
        dsrc = self._get_ds(
            self.get_ovf_env_with_dscfg('some-host-name', {}),
            agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(initial_host_name,
                         self.set_hostname.call_args_list[-1][0][0])

    def test_environment_correct_for_bounce_command(self):
        interface = 'int0'
        hostname = 'my-new-host'
        old_hostname = 'my-old-host'
        self.get_hostname.return_value = old_hostname
        cfg = {'hostname_bounce': {'interface': interface, 'policy': 'force'}}
        data = self.get_ovf_env_with_dscfg(hostname, cfg)
        dsrc = self._get_ds(data, agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(1, self.subp.call_count)
        bounce_env = self.subp.call_args[1]['env']
        self.assertEqual(interface, bounce_env['interface'])
        self.assertEqual(hostname, bounce_env['hostname'])
        self.assertEqual(old_hostname, bounce_env['old_hostname'])

    def test_default_bounce_command_ifup_used_by_default(self):
        cfg = {'hostname_bounce': {'policy': 'force'}}
        data = self.get_ovf_env_with_dscfg('some-hostname', cfg)
        dsrc = self._get_ds(data, agent_command=['not', '__builtin__'])
        ret = self._get_and_setup(dsrc)
        self.assertTrue(ret)
        self.assertEqual(1, self.subp.call_count)
        bounce_args = self.subp.call_args[1]['args']
        self.assertEqual(
            dsaz.BOUNCE_COMMAND_IFUP, bounce_args)

    @mock.patch('cloudinit.sources.DataSourceAzure.perform_hostname_bounce')
    def test_set_hostname_option_can_disable_bounce(
            self, perform_hostname_bounce):
        cfg = {'set_hostname': False, 'hostname_bounce': {'policy': 'force'}}
        data = self.get_ovf_env_with_dscfg('some-hostname', cfg)
        self._get_ds(data).get_data()

        self.assertEqual(0, perform_hostname_bounce.call_count)

    def test_set_hostname_option_can_disable_hostname_set(self):
        cfg = {'set_hostname': False, 'hostname_bounce': {'policy': 'force'}}
        data = self.get_ovf_env_with_dscfg('some-hostname', cfg)
        self._get_ds(data).get_data()

        self.assertEqual(0, self.set_hostname.call_count)


class TestLoadAzureDsDir(CiTestCase):
    """Tests for load_azure_ds_dir."""

    def setUp(self):
        self.source_dir = self.tmp_dir()
        super(TestLoadAzureDsDir, self).setUp()

    def test_missing_ovf_env_xml_raises_non_azure_datasource_error(self):
        """load_azure_ds_dir raises an error When ovf-env.xml doesn't exit."""
        with self.assertRaises(dsaz.NonAzureDataSource) as context_manager:
            dsaz.load_azure_ds_dir(self.source_dir)
        self.assertEqual(
            'No ovf-env file found',
            str(context_manager.exception))

    def test_wb_invalid_ovf_env_xml_calls_read_azure_ovf(self):
        """load_azure_ds_dir calls read_azure_ovf to parse the xml."""
        ovf_path = os.path.join(self.source_dir, 'ovf-env.xml')
        with open(ovf_path, 'wb') as stream:
            stream.write(b'invalid xml')
        with self.assertRaises(dsaz.BrokenAzureDataSource) as context_manager:
            dsaz.load_azure_ds_dir(self.source_dir)
        self.assertEqual(
            'Invalid ovf-env.xml: syntax error: line 1, column 0',
            str(context_manager.exception))


class TestReadAzureOvf(TestCase):

    def test_invalid_xml_raises_non_azure_ds(self):
        invalid_xml = "<foo>" + construct_valid_ovf_env(data={})
        self.assertRaises(dsaz.BrokenAzureDataSource,
                          dsaz.read_azure_ovf, invalid_xml)

    def test_load_with_pubkeys(self):
        mypklist = [{'fingerprint': 'fp1', 'path': 'path1', 'value': ''}]
        pubkeys = [(x['fingerprint'], x['path'], x['value']) for x in mypklist]
        content = construct_valid_ovf_env(pubkeys=pubkeys)
        (_md, _ud, cfg) = dsaz.read_azure_ovf(content)
        for mypk in mypklist:
            self.assertIn(mypk, cfg['_pubkeys'])


class TestCanDevBeReformatted(CiTestCase):
    warning_file = 'dataloss_warning_readme.txt'

    def _domock(self, mockpath, sattr=None):
        patcher = mock.patch(mockpath)
        setattr(self, sattr, patcher.start())
        self.addCleanup(patcher.stop)

    def patchup(self, devs):
        bypath = {}
        for path, data in devs.items():
            bypath[path] = data
            if 'realpath' in data:
                bypath[data['realpath']] = data
            for ppath, pdata in data.get('partitions', {}).items():
                bypath[ppath] = pdata
                if 'realpath' in data:
                    bypath[pdata['realpath']] = pdata

        def realpath(d):
            return bypath[d].get('realpath', d)

        def partitions_on_device(devpath):
            parts = bypath.get(devpath, {}).get('partitions', {})
            ret = []
            for path, data in parts.items():
                ret.append((data.get('num'), realpath(path)))
            # return sorted by partition number
            return sorted(ret, key=lambda d: d[0])

        def mount_cb(device, callback):
            p = self.tmp_dir()
            for f in bypath.get(device).get('files', []):
                write_file(os.path.join(p, f), content=f)
            return callback(p)

        def has_ntfs_fs(device):
            return bypath.get(device, {}).get('fs') == 'ntfs'

        p = 'cloudinit.sources.DataSourceAzure'
        self._domock(p + "._partitions_on_device", 'm_partitions_on_device')
        self._domock(p + "._has_ntfs_filesystem", 'm_has_ntfs_filesystem')
        self._domock(p + ".util.mount_cb", 'm_mount_cb')
        self._domock(p + ".os.path.realpath", 'm_realpath')
        self._domock(p + ".os.path.exists", 'm_exists')

        self.m_exists.side_effect = lambda p: p in bypath
        self.m_realpath.side_effect = realpath
        self.m_has_ntfs_filesystem.side_effect = has_ntfs_fs
        self.m_mount_cb.side_effect = mount_cb
        self.m_partitions_on_device.side_effect = partitions_on_device

    def test_three_partitions_is_false(self):
        """A disk with 3 partitions can not be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1},
                    '/dev/sda2': {'num': 2},
                    '/dev/sda3': {'num': 3},
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertFalse(value)
        self.assertIn("3 or more", msg.lower())

    def test_no_partitions_is_false(self):
        """A disk with no partitions can not be formatted."""
        self.patchup({'/dev/sda': {}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertFalse(value)
        self.assertIn("not partitioned", msg.lower())

    def test_two_partitions_not_ntfs_false(self):
        """2 partitions and 2nd not ntfs can not be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1},
                    '/dev/sda2': {'num': 2, 'fs': 'ext4', 'files': []},
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertFalse(value)
        self.assertIn("not ntfs", msg.lower())

    def test_two_partitions_ntfs_populated_false(self):
        """2 partitions and populated ntfs fs on 2nd can not be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1},
                    '/dev/sda2': {'num': 2, 'fs': 'ntfs',
                                  'files': ['secret.txt']},
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertFalse(value)
        self.assertIn("files on it", msg.lower())

    def test_two_partitions_ntfs_empty_is_true(self):
        """2 partitions and empty ntfs fs on 2nd can be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1},
                    '/dev/sda2': {'num': 2, 'fs': 'ntfs', 'files': []},
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertTrue(value)
        self.assertIn("safe for", msg.lower())

    def test_one_partition_not_ntfs_false(self):
        """1 partition witih fs other than ntfs can not be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1, 'fs': 'zfs'},
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertFalse(value)
        self.assertIn("not ntfs", msg.lower())

    def test_one_partition_ntfs_populated_false(self):
        """1 mountable ntfs partition with many files can not be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1, 'fs': 'ntfs',
                                  'files': ['file1.txt', 'file2.exe']},
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertFalse(value)
        self.assertIn("files on it", msg.lower())

    def test_one_partition_ntfs_empty_is_true(self):
        """1 mountable ntfs partition and no files can be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1, 'fs': 'ntfs', 'files': []}
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertTrue(value)
        self.assertIn("safe for", msg.lower())

    def test_one_partition_ntfs_empty_with_dataloss_file_is_true(self):
        """1 mountable ntfs partition and only warn file can be formatted."""
        self.patchup({
            '/dev/sda': {
                'partitions': {
                    '/dev/sda1': {'num': 1, 'fs': 'ntfs',
                                  'files': ['dataloss_warning_readme.txt']}
                }}})
        value, msg = dsaz.can_dev_be_reformatted("/dev/sda")
        self.assertTrue(value)
        self.assertIn("safe for", msg.lower())

    def test_one_partition_through_realpath_is_true(self):
        """A symlink to a device with 1 ntfs partition can be formatted."""
        epath = '/dev/disk/cloud/azure_resource'
        self.patchup({
            epath: {
                'realpath': '/dev/sdb',
                'partitions': {
                    epath + '-part1': {
                        'num': 1, 'fs': 'ntfs', 'files': [self.warning_file],
                        'realpath': '/dev/sdb1'}
                }}})
        value, msg = dsaz.can_dev_be_reformatted(epath)
        self.assertTrue(value)
        self.assertIn("safe for", msg.lower())

    def test_three_partition_through_realpath_is_false(self):
        """A symlink to a device with 3 partitions can not be formatted."""
        epath = '/dev/disk/cloud/azure_resource'
        self.patchup({
            epath: {
                'realpath': '/dev/sdb',
                'partitions': {
                    epath + '-part1': {
                        'num': 1, 'fs': 'ntfs', 'files': [self.warning_file],
                        'realpath': '/dev/sdb1'},
                    epath + '-part2': {'num': 2, 'fs': 'ext3',
                                       'realpath': '/dev/sdb2'},
                    epath + '-part3': {'num': 3, 'fs': 'ext',
                                       'realpath': '/dev/sdb3'}
                }}})
        value, msg = dsaz.can_dev_be_reformatted(epath)
        self.assertFalse(value)
        self.assertIn("3 or more", msg.lower())


class TestAzureNetExists(CiTestCase):

    def test_azure_net_must_exist_for_legacy_objpkl(self):
        """DataSourceAzureNet must exist for old obj.pkl files
           that reference it."""
        self.assertTrue(hasattr(dsaz, "DataSourceAzureNet"))


@mock.patch('cloudinit.sources.DataSourceAzure.util.subp')
@mock.patch.object(dsaz, 'get_hostname')
@mock.patch.object(dsaz, 'set_hostname')
class TestAzureDataSourcePreprovisioning(CiTestCase):

    def setUp(self):
        super(TestAzureDataSourcePreprovisioning, self).setUp()
        tmp = self.tmp_dir()
        self.waagent_d = self.tmp_path('/var/lib/waagent', tmp)
        self.paths = helpers.Paths({'cloud_dir': tmp})
        dsaz.BUILTIN_DS_CONFIG['data_dir'] = self.waagent_d

    def test_read_azure_ovf_with_true_flag(self, *args):
        """The read_azure_ovf method should set the PreprovisionedVM
           cfg flag if the proper setting is present."""
        content = construct_valid_ovf_env(
            platform_settings={"PreprovisionedVm": "True"})
        ret = dsaz.read_azure_ovf(content)
        cfg = ret[2]
        self.assertTrue(cfg['PreprovisionedVm'])

    def test_read_azure_ovf_with_false_flag(self, *args):
        """The read_azure_ovf method should set the PreprovisionedVM
           cfg flag to false if the proper setting is false."""
        content = construct_valid_ovf_env(
            platform_settings={"PreprovisionedVm": "False"})
        ret = dsaz.read_azure_ovf(content)
        cfg = ret[2]
        self.assertFalse(cfg['PreprovisionedVm'])

    def test_read_azure_ovf_without_flag(self, *args):
        """The read_azure_ovf method should not set the
           PreprovisionedVM cfg flag."""
        content = construct_valid_ovf_env()
        ret = dsaz.read_azure_ovf(content)
        cfg = ret[2]
        self.assertFalse(cfg['PreprovisionedVm'])

    @mock.patch('cloudinit.sources.DataSourceAzure.util.is_FreeBSD')
    @mock.patch('cloudinit.net.dhcp.EphemeralIPv4Network')
    @mock.patch('cloudinit.net.dhcp.maybe_perform_dhcp_discovery')
    @mock.patch('requests.Session.request')
    def test_poll_imds_returns_ovf_env(self, fake_resp, m_dhcp, m_net,
                                       m_is_bsd, *args):
        """The _poll_imds method should return the ovf_env.xml."""
        m_is_bsd.return_value = False
        m_dhcp.return_value = [{
            'interface': 'eth9', 'fixed-address': '192.168.2.9',
            'routers': '192.168.2.1', 'subnet-mask': '255.255.255.0'}]
        url = 'http://{0}/metadata/reprovisiondata?api-version=2017-04-02'
        host = "169.254.169.254"
        full_url = url.format(host)
        fake_resp.return_value = mock.MagicMock(status_code=200, text="ovf")
        dsa = dsaz.DataSourceAzure({}, distro=None, paths=self.paths)
        self.assertTrue(len(dsa._poll_imds()) > 0)
        self.assertEqual(fake_resp.call_args_list,
                         [mock.call(allow_redirects=True,
                                    headers={'Metadata': 'true',
                                             'User-Agent':
                                             'Cloud-Init/%s' % vs()
                                             }, method='GET', timeout=60.0,
                                    url=full_url),
                          mock.call(allow_redirects=True,
                                    headers={'Metadata': 'true',
                                             'User-Agent':
                                             'Cloud-Init/%s' % vs()
                                             }, method='GET', url=full_url)])
        self.assertEqual(m_dhcp.call_count, 1)
        m_net.assert_any_call(
            broadcast='192.168.2.255', interface='eth9', ip='192.168.2.9',
            prefix_or_mask='255.255.255.0', router='192.168.2.1')
        self.assertEqual(m_net.call_count, 1)

    @mock.patch('cloudinit.sources.DataSourceAzure.util.is_FreeBSD')
    @mock.patch('cloudinit.net.dhcp.EphemeralIPv4Network')
    @mock.patch('cloudinit.net.dhcp.maybe_perform_dhcp_discovery')
    @mock.patch('requests.Session.request')
    def test__reprovision_calls__poll_imds(self, fake_resp, m_dhcp, m_net,
                                           m_is_bsd, *args):
        """The _reprovision method should call poll IMDS."""
        m_is_bsd.return_value = False
        m_dhcp.return_value = [{
            'interface': 'eth9', 'fixed-address': '192.168.2.9',
            'routers': '192.168.2.1', 'subnet-mask': '255.255.255.0',
            'unknown-245': '624c3620'}]
        url = 'http://{0}/metadata/reprovisiondata?api-version=2017-04-02'
        host = "169.254.169.254"
        full_url = url.format(host)
        hostname = "myhost"
        username = "myuser"
        odata = {'HostName': hostname, 'UserName': username}
        content = construct_valid_ovf_env(data=odata)
        fake_resp.return_value = mock.MagicMock(status_code=200, text=content)
        dsa = dsaz.DataSourceAzure({}, distro=None, paths=self.paths)
        md, ud, cfg, d = dsa._reprovision()
        self.assertEqual(md['local-hostname'], hostname)
        self.assertEqual(cfg['system_info']['default_user']['name'], username)
        self.assertEqual(fake_resp.call_args_list,
                         [mock.call(allow_redirects=True,
                                    headers={'Metadata': 'true',
                                             'User-Agent':
                                             'Cloud-Init/%s' % vs()},
                                    method='GET', timeout=60.0, url=full_url),
                          mock.call(allow_redirects=True,
                                    headers={'Metadata': 'true',
                                             'User-Agent':
                                             'Cloud-Init/%s' % vs()},
                                    method='GET', url=full_url)])
        self.assertEqual(m_dhcp.call_count, 1)
        m_net.assert_any_call(
            broadcast='192.168.2.255', interface='eth9', ip='192.168.2.9',
            prefix_or_mask='255.255.255.0', router='192.168.2.1')
        self.assertEqual(m_net.call_count, 1)

    @mock.patch('cloudinit.sources.DataSourceAzure.util.write_file')
    @mock.patch('os.path.isfile')
    def test__should_reprovision_with_true_cfg(self, isfile, write_f, *args):
        """The _should_reprovision method should return true with config
           flag present."""
        isfile.return_value = False
        dsa = dsaz.DataSourceAzure({}, distro=None, paths=self.paths)
        self.assertTrue(dsa._should_reprovision(
            (None, None, {'PreprovisionedVm': True}, None)))

    @mock.patch('os.path.isfile')
    def test__should_reprovision_with_file_existing(self, isfile, *args):
        """The _should_reprovision method should return True if the sentinal
           exists."""
        isfile.return_value = True
        dsa = dsaz.DataSourceAzure({}, distro=None, paths=self.paths)
        self.assertTrue(dsa._should_reprovision(
            (None, None, {'preprovisionedvm': False}, None)))

    @mock.patch('os.path.isfile')
    def test__should_reprovision_returns_false(self, isfile, *args):
        """The _should_reprovision method should return False
           if config and sentinal are not present."""
        isfile.return_value = False
        dsa = dsaz.DataSourceAzure({}, distro=None, paths=self.paths)
        self.assertFalse(dsa._should_reprovision((None, None, {}, None)))


# vi: ts=4 expandtab