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
|
# This file is part of cloud-init. See LICENSE file for license information.
import pytest
from unittest import mock
from logging import Logger
from cloudinit.subp import ProcessExecutionError
from cloudinit.config.cc_grub_dpkg import fetch_idevs, handle
class TestFetchIdevs:
"""Tests cc_grub_dpkg.fetch_idevs()"""
# Note: udevadm info returns devices in a large single line string
@pytest.mark.parametrize(
"grub_output,path_exists,expected_log_call,udevadm_output"
",expected_idevs",
[
# Inside a container, grub not installed
(
ProcessExecutionError(reason=FileNotFoundError()),
False,
mock.call("'grub-probe' not found in $PATH"),
'',
'',
),
# Inside a container, grub installed
(
ProcessExecutionError(stderr="failed to get canonical path"),
False,
mock.call("grub-probe 'failed to get canonical path'"),
'',
'',
),
# KVM Instance
(
['/dev/vda'],
True,
None,
(
'/dev/disk/by-path/pci-0000:00:00.0 ',
'/dev/disk/by-path/virtio-pci-0000:00:00.0 '
),
'/dev/vda',
),
# Xen Instance
(
['/dev/xvda'],
True,
None,
'',
'/dev/xvda',
),
# NVMe Hardware Instance
(
['/dev/nvme1n1'],
True,
None,
(
'/dev/disk/by-id/nvme-Company_hash000 ',
'/dev/disk/by-id/nvme-nvme.000-000-000-000-000 ',
'/dev/disk/by-path/pci-0000:00:00.0-nvme-0 '
),
'/dev/disk/by-id/nvme-Company_hash000',
),
# SCSI Hardware Instance
(
['/dev/sda'],
True,
None,
(
'/dev/disk/by-id/company-user-1 ',
'/dev/disk/by-id/scsi-0Company_user-1 ',
'/dev/disk/by-path/pci-0000:00:00.0-scsi-0:0:0:0 '
),
'/dev/disk/by-id/company-user-1',
),
],
)
@mock.patch("cloudinit.config.cc_grub_dpkg.util.logexc")
@mock.patch("cloudinit.config.cc_grub_dpkg.os.path.exists")
@mock.patch("cloudinit.config.cc_grub_dpkg.subp.subp")
def test_fetch_idevs(self, m_subp, m_exists, m_logexc, grub_output,
path_exists, expected_log_call, udevadm_output,
expected_idevs):
"""Tests outputs from grub-probe and udevadm info against grub-dpkg"""
m_subp.side_effect = [
grub_output,
["".join(udevadm_output)]
]
m_exists.return_value = path_exists
log = mock.Mock(spec=Logger)
idevs = fetch_idevs(log)
assert expected_idevs == idevs
if expected_log_call is not None:
assert expected_log_call in log.debug.call_args_list
class TestHandle:
"""Tests cc_grub_dpkg.handle()"""
@pytest.mark.parametrize(
"cfg_idevs,cfg_idevs_empty,fetch_idevs_output,expected_log_output",
[
(
# No configuration
None,
None,
'/dev/disk/by-id/nvme-Company_hash000',
(
"Setting grub debconf-set-selections with ",
"'/dev/disk/by-id/nvme-Company_hash000','false'"
),
),
(
# idevs set, idevs_empty unset
'/dev/sda',
None,
'/dev/sda',
(
"Setting grub debconf-set-selections with ",
"'/dev/sda','false'"
),
),
(
# idevs unset, idevs_empty set
None,
'true',
'/dev/xvda',
(
"Setting grub debconf-set-selections with ",
"'/dev/xvda','true'"
),
),
(
# idevs set, idevs_empty set
'/dev/vda',
'false',
'/dev/disk/by-id/company-user-1',
(
"Setting grub debconf-set-selections with ",
"'/dev/vda','false'"
),
),
(
# idevs set, idevs_empty set
# Respect what the user defines, even if its logically wrong
'/dev/nvme0n1',
'true',
'',
(
"Setting grub debconf-set-selections with ",
"'/dev/nvme0n1','true'"
),
)
],
)
@mock.patch("cloudinit.config.cc_grub_dpkg.fetch_idevs")
@mock.patch("cloudinit.config.cc_grub_dpkg.util.get_cfg_option_str")
@mock.patch("cloudinit.config.cc_grub_dpkg.util.logexc")
@mock.patch("cloudinit.config.cc_grub_dpkg.subp.subp")
def test_handle(self, m_subp, m_logexc, m_get_cfg_str, m_fetch_idevs,
cfg_idevs, cfg_idevs_empty, fetch_idevs_output,
expected_log_output):
"""Test setting of correct debconf database entries"""
m_get_cfg_str.side_effect = [
cfg_idevs,
cfg_idevs_empty
]
m_fetch_idevs.return_value = fetch_idevs_output
log = mock.Mock(spec=Logger)
handle(mock.Mock(), mock.Mock(), mock.Mock(), log, mock.Mock())
log.debug.assert_called_with("".join(expected_log_output))
# vi: ts=4 expandtab
|
