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
|
"""Tests for handling of userdata within cloud init."""
import StringIO
import logging
import os
from email.mime.base import MIMEBase
from cloudinit import handlers
from cloudinit import helpers as c_helpers
from cloudinit import log
from cloudinit import sources
from cloudinit import stages
from cloudinit import util
INSTANCE_ID = "i-testing"
from tests.unittests import helpers
class FakeDataSource(sources.DataSource):
def __init__(self, userdata):
sources.DataSource.__init__(self, {}, None, None)
self.metadata = {'instance-id': INSTANCE_ID}
self.userdata_raw = userdata
# FIXME: these tests shouldn't be checking log output??
# Weirddddd...
class TestConsumeUserData(helpers.FilesystemMockingTestCase):
def setUp(self):
helpers.FilesystemMockingTestCase.setUp(self)
self._log = None
self._log_file = None
self._log_handler = None
def tearDown(self):
helpers.FilesystemMockingTestCase.tearDown(self)
if self._log_handler and self._log:
self._log.removeHandler(self._log_handler)
def capture_log(self, lvl=logging.DEBUG):
log_file = StringIO.StringIO()
self._log_handler = logging.StreamHandler(log_file)
self._log_handler.setLevel(lvl)
self._log = log.getLogger()
self._log.addHandler(self._log_handler)
return log_file
def test_merging_cloud_config(self):
blob = '''
#cloud-config
a: b
e: f
run:
- b
- c
'''
message1 = MIMEBase("text", "cloud-config")
message1.set_payload(blob)
blob2 = '''
#cloud-config
a: e
e: g
run:
- stuff
- morestuff
'''
message2 = MIMEBase("text", "cloud-config")
message2['X-Merge-Type'] = ('dict(recurse_array,'
'recurse_str)+list(append)+str(append)')
message2.set_payload(blob2)
blob3 = '''
#cloud-config
e:
- 1
- 2
- 3
p: 1
'''
message3 = MIMEBase("text", "cloud-config")
message3.set_payload(blob3)
messages = [message1, message2, message3]
paths = c_helpers.Paths({}, ds=FakeDataSource(''))
cloud_cfg = handlers.cloud_config.CloudConfigPartHandler(paths)
new_root = self.makeDir()
self.patchUtils(new_root)
self.patchOS(new_root)
cloud_cfg.handle_part(None, handlers.CONTENT_START, None, None, None,
None)
for i, m in enumerate(messages):
headers = dict(m)
fn = "part-%s" % (i + 1)
payload = m.get_payload(decode=True)
cloud_cfg.handle_part(None, headers['Content-Type'],
fn, payload, None, headers)
cloud_cfg.handle_part(None, handlers.CONTENT_END, None, None, None,
None)
contents = util.load_file(paths.get_ipath('cloud_config'))
contents = util.load_yaml(contents)
self.assertEquals(contents['run'], ['b', 'c', 'stuff', 'morestuff'])
self.assertEquals(contents['a'], 'be')
self.assertEquals(contents['e'], [1, 2, 3])
self.assertEquals(contents['p'], 1)
def test_unhandled_type_warning(self):
"""Raw text without magic is ignored but shows warning."""
ci = stages.Init()
data = "arbitrary text\n"
ci.datasource = FakeDataSource(data)
mock_write = self.mocker.replace("cloudinit.util.write_file",
passthrough=False)
mock_write(ci.paths.get_ipath("cloud_config"), "", 0600)
self.mocker.replay()
log_file = self.capture_log(logging.WARNING)
ci.fetch()
ci.consume_userdata()
self.assertIn(
"Unhandled non-multipart (text/x-not-multipart) userdata:",
log_file.getvalue())
def test_mime_text_plain(self):
"""Mime message of type text/plain is ignored but shows warning."""
ci = stages.Init()
message = MIMEBase("text", "plain")
message.set_payload("Just text")
ci.datasource = FakeDataSource(message.as_string())
mock_write = self.mocker.replace("cloudinit.util.write_file",
passthrough=False)
mock_write(ci.paths.get_ipath("cloud_config"), "", 0600)
self.mocker.replay()
log_file = self.capture_log(logging.WARNING)
ci.fetch()
ci.consume_userdata()
self.assertIn(
"Unhandled unknown content-type (text/plain)",
log_file.getvalue())
def test_shellscript(self):
"""Raw text starting #!/bin/sh is treated as script."""
ci = stages.Init()
script = "#!/bin/sh\necho hello\n"
ci.datasource = FakeDataSource(script)
outpath = os.path.join(ci.paths.get_ipath_cur("scripts"), "part-001")
mock_write = self.mocker.replace("cloudinit.util.write_file",
passthrough=False)
mock_write(ci.paths.get_ipath("cloud_config"), "", 0600)
mock_write(outpath, script, 0700)
self.mocker.replay()
log_file = self.capture_log(logging.WARNING)
ci.fetch()
ci.consume_userdata()
self.assertEqual("", log_file.getvalue())
def test_mime_text_x_shellscript(self):
"""Mime message of type text/x-shellscript is treated as script."""
ci = stages.Init()
script = "#!/bin/sh\necho hello\n"
message = MIMEBase("text", "x-shellscript")
message.set_payload(script)
ci.datasource = FakeDataSource(message.as_string())
outpath = os.path.join(ci.paths.get_ipath_cur("scripts"), "part-001")
mock_write = self.mocker.replace("cloudinit.util.write_file",
passthrough=False)
mock_write(ci.paths.get_ipath("cloud_config"), "", 0600)
mock_write(outpath, script, 0700)
self.mocker.replay()
log_file = self.capture_log(logging.WARNING)
ci.fetch()
ci.consume_userdata()
self.assertEqual("", log_file.getvalue())
def test_mime_text_plain_shell(self):
"""Mime type text/plain starting #!/bin/sh is treated as script."""
ci = stages.Init()
script = "#!/bin/sh\necho hello\n"
message = MIMEBase("text", "plain")
message.set_payload(script)
ci.datasource = FakeDataSource(message.as_string())
outpath = os.path.join(ci.paths.get_ipath_cur("scripts"), "part-001")
mock_write = self.mocker.replace("cloudinit.util.write_file",
passthrough=False)
mock_write(outpath, script, 0700)
mock_write(ci.paths.get_ipath("cloud_config"), "", 0600)
self.mocker.replay()
log_file = self.capture_log(logging.WARNING)
ci.fetch()
ci.consume_userdata()
self.assertEqual("", log_file.getvalue())
|
