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# vi: ts=4 expandtab
#
# Copyright (C) 2013 Canonical Ltd.
#
# Author: Ben Howard <ben.howard@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
# This is a testcase for the SmartOS datasource. It replicates a serial
# console and acts like the SmartOS console does in order to validate
# return responses.
#
import base64
from cloudinit import helpers
from cloudinit.sources import DataSourceSmartOS
from mocker import MockerTestCase
import uuid
mock_returns = {
'hostname': 'test-host',
'root_authorized_keys': 'ssh-rsa AAAAB3Nz...aC1yc2E= keyname',
'disable_iptables_flag': None,
'enable_motd_sys_info': None,
'system_uuid': str(uuid.uuid4()),
'smartdc': 'smartdc',
'test-var1': 'some data',
'user-data': """
#!/bin/sh
/bin/true
""",
}
class MockSerial(object):
"""Fake a serial terminal for testing the code that
interfaces with the serial"""
port = None
def __init__(self, b64encode=False):
self.last = None
self.last = None
self.new = True
self.count = 0
self.mocked_out = []
self.b64encode = b64encode
self.b64excluded = DataSourceSmartOS.SMARTOS_NO_BASE64
def open(self):
return True
def close(self):
return True
def isOpen(self):
return True
def write(self, line):
line = line.replace('GET ', '')
self.last = line.rstrip()
def readline(self):
if self.new:
self.new = False
if self.last in mock_returns:
return 'SUCCESS\n'
else:
return 'NOTFOUND %s\n' % self.last
if self.last in mock_returns:
if not self.mocked_out:
self.mocked_out = [x for x in self._format_out()]
print self.mocked_out
if len(self.mocked_out) > self.count:
self.count += 1
return self.mocked_out[self.count - 1]
def _format_out(self):
if self.last in mock_returns:
_mret = mock_returns[self.last]
if self.b64encode and \
self.last not in self.b64excluded:
yield base64.b64encode(_mret)
else:
try:
for l in _mret.splitlines():
yield "%s\n" % l.rstrip()
except:
yield "%s\n" % _mret.rstrip()
yield '\n'
yield '.'
class TestSmartOSDataSource(MockerTestCase):
def setUp(self):
# makeDir comes from MockerTestCase
self.tmp = self.makeDir()
# patch cloud_dir, so our 'seed_dir' is guaranteed empty
self.paths = helpers.Paths({'cloud_dir': self.tmp})
self.unapply = []
super(TestSmartOSDataSource, self).setUp()
def tearDown(self):
apply_patches([i for i in reversed(self.unapply)])
super(TestSmartOSDataSource, self).tearDown()
def apply_patches(self, patches):
ret = apply_patches(patches)
self.unapply += ret
def _get_ds(self, b64encode=False, sys_cfg=None):
mod = DataSourceSmartOS
def _get_serial(*_):
return MockSerial(b64encode=b64encode)
def _dmi_data():
return mock_returns['system_uuid'], 'smartdc'
if not sys_cfg:
sys_cfg = {}
data = {'sys_cfg': sys_cfg}
self.apply_patches([(mod, 'get_serial', _get_serial)])
self.apply_patches([(mod, 'dmi_data', _dmi_data)])
dsrc = mod.DataSourceSmartOS(
data.get('sys_cfg', {}), distro=None, paths=self.paths)
return dsrc
def test_seed(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals('/dev/ttyS1', dsrc.seed)
def test_issmartdc(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertTrue(dsrc.is_smartdc)
def test_no_base64(self):
sys_cfg = {'no_base64_decode': ['test_var1'], 'all_base': True}
dsrc = self._get_ds(sys_cfg=sys_cfg)
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertTrue(dsrc.not_b64_var('test-var'))
def test_uuid(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals(mock_returns['system_uuid'],
dsrc.metadata['instance-id'])
def test_root_keys(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals(mock_returns['root_authorized_keys'],
dsrc.metadata['public-keys'])
def test_hostname_b64(self):
dsrc = self._get_ds(b64encode=True)
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals(base64.b64encode(mock_returns['hostname']),
dsrc.metadata['local-hostname'])
def test_hostname(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals(mock_returns['hostname'],
dsrc.metadata['local-hostname'])
def test_base64(self):
"""This tests to make sure that SmartOS system key/value pairs
are not interpetted as being base64 encoded, while making
sure that the others are when 'decode_base64' is set"""
dsrc = self._get_ds(sys_cfg={'decode_base64': True},
b64encode=True)
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals(mock_returns['hostname'],
dsrc.metadata['local-hostname'])
self.assertEquals("%s" % mock_returns['user-data'],
dsrc.userdata_raw)
self.assertEquals(mock_returns['root_authorized_keys'],
dsrc.metadata['public-keys'])
self.assertEquals(mock_returns['disable_iptables_flag'],
dsrc.metadata['iptables_disable'])
self.assertEquals(mock_returns['enable_motd_sys_info'],
dsrc.metadata['motd_sys_info'])
def test_userdata(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals("%s\n" % mock_returns['user-data'],
dsrc.userdata_raw)
def test_disable_iptables_flag(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals(mock_returns['disable_iptables_flag'],
dsrc.metadata['iptables_disable'])
def test_motd_sys_info(self):
dsrc = self._get_ds()
ret = dsrc.get_data()
self.assertTrue(ret)
self.assertEquals(mock_returns['enable_motd_sys_info'],
dsrc.metadata['motd_sys_info'])
def apply_patches(patches):
ret = []
for (ref, name, replace) in patches:
if replace is None:
continue
orig = getattr(ref, name)
setattr(ref, name, replace)
ret.append((ref, name, orig))
return ret
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