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from copy import copy
import os
from cloudinit.sources import DataSourceMAAS
from cloudinit import url_helper
from tests.unittests.helpers import populate_dir
from mocker import MockerTestCase
class TestMAASDataSource(MockerTestCase):
def setUp(self):
super(TestMAASDataSource, self).setUp()
# Make a temp directoy for tests to use.
self.tmp = self.makeDir()
def test_seed_dir_valid(self):
"""Verify a valid seeddir is read as such."""
data = {'instance-id': 'i-valid01',
'local-hostname': 'valid01-hostname',
'user-data': 'valid01-userdata',
'public-keys': 'ssh-rsa AAAAB3Nz...aC1yc2E= keyname'}
my_d = os.path.join(self.tmp, "valid")
populate_dir(my_d, data)
(userdata, metadata) = DataSourceMAAS.read_maas_seed_dir(my_d)
self.assertEqual(userdata, data['user-data'])
for key in ('instance-id', 'local-hostname'):
self.assertEqual(data[key], metadata[key])
# verify that 'userdata' is not returned as part of the metadata
self.assertFalse(('user-data' in metadata))
def test_seed_dir_valid_extra(self):
"""Verify extra files do not affect seed_dir validity."""
data = {'instance-id': 'i-valid-extra',
'local-hostname': 'valid-extra-hostname',
'user-data': 'valid-extra-userdata', 'foo': 'bar'}
my_d = os.path.join(self.tmp, "valid_extra")
populate_dir(my_d, data)
(userdata, metadata) = DataSourceMAAS.read_maas_seed_dir(my_d)
self.assertEqual(userdata, data['user-data'])
for key in ('instance-id', 'local-hostname'):
self.assertEqual(data[key], metadata[key])
# additional files should not just appear as keys in metadata atm
self.assertFalse(('foo' in metadata))
def test_seed_dir_invalid(self):
"""Verify that invalid seed_dir raises MAASSeedDirMalformed."""
valid = {'instance-id': 'i-instanceid',
'local-hostname': 'test-hostname', 'user-data': ''}
my_based = os.path.join(self.tmp, "valid_extra")
# missing 'userdata' file
my_d = "%s-01" % my_based
invalid_data = copy(valid)
del invalid_data['local-hostname']
populate_dir(my_d, invalid_data)
self.assertRaises(DataSourceMAAS.MAASSeedDirMalformed,
DataSourceMAAS.read_maas_seed_dir, my_d)
# missing 'instance-id'
my_d = "%s-02" % my_based
invalid_data = copy(valid)
del invalid_data['instance-id']
populate_dir(my_d, invalid_data)
self.assertRaises(DataSourceMAAS.MAASSeedDirMalformed,
DataSourceMAAS.read_maas_seed_dir, my_d)
def test_seed_dir_none(self):
"""Verify that empty seed_dir raises MAASSeedDirNone."""
my_d = os.path.join(self.tmp, "valid_empty")
self.assertRaises(DataSourceMAAS.MAASSeedDirNone,
DataSourceMAAS.read_maas_seed_dir, my_d)
def test_seed_dir_missing(self):
"""Verify that missing seed_dir raises MAASSeedDirNone."""
self.assertRaises(DataSourceMAAS.MAASSeedDirNone,
DataSourceMAAS.read_maas_seed_dir,
os.path.join(self.tmp, "nonexistantdirectory"))
def test_seed_url_valid(self):
"""Verify that valid seed_url is read as such."""
valid = {'meta-data/instance-id': 'i-instanceid',
'meta-data/local-hostname': 'test-hostname',
'meta-data/public-keys': 'test-hostname',
'user-data': 'foodata'}
valid_order = [
'meta-data/local-hostname',
'meta-data/instance-id',
'meta-data/public-keys',
'user-data',
]
my_seed = "http://example.com/xmeta"
my_ver = "1999-99-99"
my_headers = {'header1': 'value1', 'header2': 'value2'}
def my_headers_cb(url):
return my_headers
mock_request = self.mocker.replace(url_helper.readurl,
passthrough=False)
for key in valid_order:
url = "%s/%s/%s" % (my_seed, my_ver, key)
mock_request(url, headers=my_headers, timeout=None)
resp = valid.get(key)
self.mocker.result(url_helper.UrlResponse(200, resp))
self.mocker.replay()
(userdata, metadata) = DataSourceMAAS.read_maas_seed_url(my_seed,
header_cb=my_headers_cb, version=my_ver)
self.assertEqual("foodata", userdata)
self.assertEqual(metadata['instance-id'],
valid['meta-data/instance-id'])
self.assertEqual(metadata['local-hostname'],
valid['meta-data/local-hostname'])
def test_seed_url_invalid(self):
"""Verify that invalid seed_url raises MAASSeedDirMalformed."""
pass
def test_seed_url_missing(self):
"""Verify seed_url with no found entries raises MAASSeedDirNone."""
pass
# vi: ts=4 expandtab
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