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|
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Unit tests for the API endpoint."""
import random
import re
import StringIO
import boto
import boto.connection
from boto.ec2 import regioninfo
from boto import exception as boto_exc
# newer versions of boto use their own wrapper on top of httplib.HTTPResponse
if hasattr(boto.connection, 'HTTPResponse'):
httplib = boto.connection
else:
import httplib
import fixtures
import webob
from nova.api import auth
from nova.api import ec2
from nova.api.ec2 import ec2utils
from nova import block_device
from nova import context
from nova import exception
from nova.openstack.common import versionutils
from nova import test
from nova.tests.unit import matchers
class FakeHttplibSocket(object):
"""a fake socket implementation for httplib.HTTPResponse, trivial."""
def __init__(self, response_string):
self.response_string = response_string
self._buffer = StringIO.StringIO(response_string)
def makefile(self, _mode, _other):
"""Returns the socket's internal buffer."""
return self._buffer
class FakeHttplibConnection(object):
"""A fake httplib.HTTPConnection for boto to use
requests made via this connection actually get translated and routed into
our WSGI app, we then wait for the response and turn it back into
the HTTPResponse that boto expects.
"""
def __init__(self, app, host, is_secure=False):
self.app = app
self.host = host
def request(self, method, path, data, headers):
req = webob.Request.blank(path)
req.method = method
req.body = data
req.headers = headers
req.headers['Accept'] = 'text/html'
req.host = self.host
# Call the WSGI app, get the HTTP response
resp = str(req.get_response(self.app))
# For some reason, the response doesn't have "HTTP/1.0 " prepended; I
# guess that's a function the web server usually provides.
resp = "HTTP/1.0 %s" % resp
self.sock = FakeHttplibSocket(resp)
self.http_response = httplib.HTTPResponse(self.sock)
# NOTE(vish): boto is accessing private variables for some reason
self._HTTPConnection__response = self.http_response
self.http_response.begin()
def getresponse(self):
return self.http_response
def getresponsebody(self):
return self.sock.response_string
def close(self):
"""Required for compatibility with boto/tornado."""
pass
class XmlConversionTestCase(test.NoDBTestCase):
"""Unit test api xml conversion."""
def test_number_conversion(self):
conv = ec2utils._try_convert
self.assertIsNone(conv('None'))
self.assertEqual(conv('True'), True)
self.assertEqual(conv('TRUE'), True)
self.assertEqual(conv('true'), True)
self.assertEqual(conv('False'), False)
self.assertEqual(conv('FALSE'), False)
self.assertEqual(conv('false'), False)
self.assertEqual(conv('0'), 0)
self.assertEqual(conv('42'), 42)
self.assertEqual(conv('3.14'), 3.14)
self.assertEqual(conv('-57.12'), -57.12)
self.assertEqual(conv('0x57'), 0x57)
self.assertEqual(conv('-0x57'), -0x57)
self.assertEqual(conv('-'), '-')
self.assertEqual(conv('-0'), 0)
self.assertEqual(conv('0.0'), 0.0)
self.assertEqual(conv('1e-8'), 0.0)
self.assertEqual(conv('-1e-8'), 0.0)
self.assertEqual(conv('0xDD8G'), '0xDD8G')
self.assertEqual(conv('0XDD8G'), '0XDD8G')
self.assertEqual(conv('-stringy'), '-stringy')
self.assertEqual(conv('stringy'), 'stringy')
self.assertEqual(conv('add'), 'add')
self.assertEqual(conv('remove'), 'remove')
self.assertEqual(conv(''), '')
class Ec2utilsTestCase(test.NoDBTestCase):
def test_ec2_id_to_id(self):
self.assertEqual(ec2utils.ec2_id_to_id('i-0000001e'), 30)
self.assertEqual(ec2utils.ec2_id_to_id('ami-1d'), 29)
self.assertEqual(ec2utils.ec2_id_to_id('snap-0000001c'), 28)
self.assertEqual(ec2utils.ec2_id_to_id('vol-0000001b'), 27)
def test_bad_ec2_id(self):
self.assertRaises(exception.InvalidEc2Id,
ec2utils.ec2_id_to_id,
'badone')
def test_id_to_ec2_id(self):
self.assertEqual(ec2utils.id_to_ec2_id(30), 'i-0000001e')
self.assertEqual(ec2utils.id_to_ec2_id(29, 'ami-%08x'), 'ami-0000001d')
self.assertEqual(ec2utils.id_to_ec2_snap_id(28), 'snap-0000001c')
self.assertEqual(ec2utils.id_to_ec2_vol_id(27), 'vol-0000001b')
def test_dict_from_dotted_str(self):
in_str = [('BlockDeviceMapping.1.DeviceName', '/dev/sda1'),
('BlockDeviceMapping.1.Ebs.SnapshotId', 'snap-0000001c'),
('BlockDeviceMapping.1.Ebs.VolumeSize', '80'),
('BlockDeviceMapping.1.Ebs.DeleteOnTermination', 'false'),
('BlockDeviceMapping.2.DeviceName', '/dev/sdc'),
('BlockDeviceMapping.2.VirtualName', 'ephemeral0')]
expected_dict = {
'block_device_mapping': {
'1': {'device_name': '/dev/sda1',
'ebs': {'snapshot_id': 'snap-0000001c',
'volume_size': 80,
'delete_on_termination': False}},
'2': {'device_name': '/dev/sdc',
'virtual_name': 'ephemeral0'}}}
out_dict = ec2utils.dict_from_dotted_str(in_str)
self.assertThat(out_dict, matchers.DictMatches(expected_dict))
def test_properties_root_defice_name(self):
mappings = [{"device": "/dev/sda1", "virtual": "root"}]
properties0 = {'mappings': mappings}
properties1 = {'root_device_name': '/dev/sdb', 'mappings': mappings}
root_device_name = block_device.properties_root_device_name(
properties0)
self.assertEqual(root_device_name, '/dev/sda1')
root_device_name = block_device.properties_root_device_name(
properties1)
self.assertEqual(root_device_name, '/dev/sdb')
def test_regex_from_ec2_regex(self):
def _test_re(ec2_regex, expected, literal, match=True):
regex = ec2utils.regex_from_ec2_regex(ec2_regex)
self.assertEqual(regex, expected)
if match:
self.assertIsNotNone(re.match(regex, literal))
else:
self.assertIsNone(re.match(regex, literal))
# wildcards
_test_re('foo', '\Afoo\Z(?s)', 'foo')
_test_re('foo', '\Afoo\Z(?s)', 'baz', match=False)
_test_re('foo?bar', '\Afoo.bar\Z(?s)', 'foo bar')
_test_re('foo?bar', '\Afoo.bar\Z(?s)', 'foo bar', match=False)
_test_re('foo*bar', '\Afoo.*bar\Z(?s)', 'foo QUUX bar')
# backslashes and escaped wildcards
_test_re('foo\\', '\Afoo\\\\\Z(?s)', 'foo\\')
_test_re('foo*bar', '\Afoo.*bar\Z(?s)', 'zork QUUX bar', match=False)
_test_re('foo\\?bar', '\Afoo[?]bar\Z(?s)', 'foo?bar')
_test_re('foo\\?bar', '\Afoo[?]bar\Z(?s)', 'foo bar', match=False)
_test_re('foo\\*bar', '\Afoo[*]bar\Z(?s)', 'foo*bar')
_test_re('foo\\*bar', '\Afoo[*]bar\Z(?s)', 'foo bar', match=False)
# analog to the example given in the EC2 API docs
ec2_regex = '\*nova\?\\end'
expected = r'\A[*]nova[?]\\end\Z(?s)'
literal = r'*nova?\end'
_test_re(ec2_regex, expected, literal)
def test_mapping_prepend_dev(self):
mappings = [
{'virtual': 'ami',
'device': 'sda1'},
{'virtual': 'root',
'device': '/dev/sda1'},
{'virtual': 'swap',
'device': 'sdb1'},
{'virtual': 'swap',
'device': '/dev/sdb2'},
{'virtual': 'ephemeral0',
'device': 'sdc1'},
{'virtual': 'ephemeral1',
'device': '/dev/sdc1'}]
expected_result = [
{'virtual': 'ami',
'device': 'sda1'},
{'virtual': 'root',
'device': '/dev/sda1'},
{'virtual': 'swap',
'device': '/dev/sdb1'},
{'virtual': 'swap',
'device': '/dev/sdb2'},
{'virtual': 'ephemeral0',
'device': '/dev/sdc1'},
{'virtual': 'ephemeral1',
'device': '/dev/sdc1'}]
self.assertThat(block_device.mappings_prepend_dev(mappings),
matchers.DictListMatches(expected_result))
class ApiEc2TestCase(test.TestCase):
"""Unit test for the cloud controller on an EC2 API."""
def setUp(self):
super(ApiEc2TestCase, self).setUp()
self.host = '127.0.0.1'
# NOTE(vish): skipping the Authorizer
roles = ['sysadmin', 'netadmin']
ctxt = context.RequestContext('fake', 'fake', roles=roles)
self.app = auth.InjectContext(ctxt, ec2.FaultWrapper(
ec2.RequestLogging(ec2.Requestify(ec2.Authorizer(ec2.Executor()
), 'nova.api.ec2.cloud.CloudController'))))
self.useFixture(fixtures.FakeLogger('boto'))
def expect_http(self, host=None, is_secure=False, api_version=None):
"""Returns a new EC2 connection."""
self.ec2 = boto.connect_ec2(
aws_access_key_id='fake',
aws_secret_access_key='fake',
is_secure=False,
region=regioninfo.RegionInfo(None, 'test', self.host),
port=8773,
path='/services/Cloud')
if api_version:
self.ec2.APIVersion = api_version
self.mox.StubOutWithMock(self.ec2, 'new_http_connection')
self.http = FakeHttplibConnection(
self.app, '%s:8773' % (self.host), False)
# pylint: disable=E1103
if versionutils.is_compatible('2.14', boto.Version, same_major=False):
self.ec2.new_http_connection(host or self.host, 8773,
is_secure).AndReturn(self.http)
elif versionutils.is_compatible('2', boto.Version, same_major=False):
self.ec2.new_http_connection(host or '%s:8773' % (self.host),
is_secure).AndReturn(self.http)
else:
self.ec2.new_http_connection(host, is_secure).AndReturn(self.http)
return self.http
def test_xmlns_version_matches_request_version(self):
self.expect_http(api_version='2010-10-30')
self.mox.ReplayAll()
# Any request should be fine
self.ec2.get_all_instances()
self.assertTrue(self.ec2.APIVersion in self.http.getresponsebody(),
'The version in the xmlns of the response does '
'not match the API version given in the request.')
def test_describe_instances(self):
"""Test that, after creating a user and a project, the describe
instances call to the API works properly.
"""
self.expect_http()
self.mox.ReplayAll()
self.assertEqual(self.ec2.get_all_instances(), [])
def test_terminate_invalid_instance(self):
# Attempt to terminate an invalid instance.
self.expect_http()
self.mox.ReplayAll()
self.assertRaises(boto_exc.EC2ResponseError,
self.ec2.terminate_instances, "i-00000005")
def test_get_all_key_pairs(self):
"""Test that, after creating a user and project and generating
a key pair, that the API call to list key pairs works properly.
"""
keyname = "".join(random.choice("sdiuisudfsdcnpaqwertasd")
for x in range(random.randint(4, 8)))
self.expect_http()
self.mox.ReplayAll()
self.ec2.create_key_pair(keyname)
rv = self.ec2.get_all_key_pairs()
results = [k for k in rv if k.name == keyname]
self.assertEqual(len(results), 1)
def test_create_duplicate_key_pair(self):
"""Test that, after successfully generating a keypair,
requesting a second keypair with the same name fails sanely.
"""
self.expect_http()
self.mox.ReplayAll()
self.ec2.create_key_pair('test')
try:
self.ec2.create_key_pair('test')
except boto_exc.EC2ResponseError as e:
if e.code == 'InvalidKeyPair.Duplicate':
pass
else:
self.assertEqual('InvalidKeyPair.Duplicate', e.code)
else:
self.fail('Exception not raised.')
def test_get_all_security_groups(self):
# Test that we can retrieve security groups.
self.expect_http()
self.mox.ReplayAll()
rv = self.ec2.get_all_security_groups()
self.assertEqual(len(rv), 1)
self.assertEqual(rv[0].name, 'default')
def test_create_delete_security_group(self):
# Test that we can create a security group.
self.expect_http()
self.mox.ReplayAll()
security_group_name = "".join(random.choice("sdiuisudfsdcnpaqwertasd")
for x in range(random.randint(4, 8)))
self.ec2.create_security_group(security_group_name, 'test group')
self.expect_http()
self.mox.ReplayAll()
rv = self.ec2.get_all_security_groups()
self.assertEqual(len(rv), 2)
self.assertIn(security_group_name, [group.name for group in rv])
self.expect_http()
self.mox.ReplayAll()
self.ec2.delete_security_group(security_group_name)
def test_group_name_valid_chars_security_group(self):
"""Test that we sanely handle invalid security group names.
EC2 API Spec states we should only accept alphanumeric characters,
spaces, dashes, and underscores. Amazon implementation
accepts more characters - so, [:print:] is ok.
"""
bad_strict_ec2 = "aa \t\x01\x02\x7f"
bad_amazon_ec2 = "aa #^% -=99"
test_raise = [
(True, bad_amazon_ec2, "test desc"),
(True, "test name", bad_amazon_ec2),
(False, bad_strict_ec2, "test desc"),
]
for t in test_raise:
self.expect_http()
self.mox.ReplayAll()
self.flags(ec2_strict_validation=t[0])
self.assertRaises(boto_exc.EC2ResponseError,
self.ec2.create_security_group,
t[1],
t[2])
test_accept = [
(False, bad_amazon_ec2, "test desc"),
(False, "test name", bad_amazon_ec2),
]
for t in test_accept:
self.expect_http()
self.mox.ReplayAll()
self.flags(ec2_strict_validation=t[0])
self.ec2.create_security_group(t[1], t[2])
self.expect_http()
self.mox.ReplayAll()
self.ec2.delete_security_group(t[1])
def test_group_name_valid_length_security_group(self):
"""Test that we sanely handle invalid security group names.
API Spec states that the length should not exceed 255 char.
"""
self.expect_http()
self.mox.ReplayAll()
# Test block group_name > 255 chars
security_group_name = "".join(random.choice("poiuytrewqasdfghjklmnbvc")
for x in range(random.randint(256, 266)))
self.assertRaises(boto_exc.EC2ResponseError,
self.ec2.create_security_group,
security_group_name,
'test group')
def test_authorize_revoke_security_group_cidr(self):
"""Test that we can add and remove CIDR based rules
to a security group
"""
self.expect_http()
self.mox.ReplayAll()
security_group_name = "".join(random.choice("sdiuisudfsdcnpaqwertasd")
for x in range(random.randint(4, 8)))
group = self.ec2.create_security_group(security_group_name,
'test group')
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
group.authorize('tcp', 80, 81, '0.0.0.0/0')
group.authorize('icmp', -1, -1, '0.0.0.0/0')
group.authorize('udp', 80, 81, '0.0.0.0/0')
group.authorize('tcp', 1, 65535, '0.0.0.0/0')
group.authorize('udp', 1, 65535, '0.0.0.0/0')
group.authorize('icmp', 1, 0, '0.0.0.0/0')
group.authorize('icmp', 0, 1, '0.0.0.0/0')
group.authorize('icmp', 0, 0, '0.0.0.0/0')
def _assert(message, *args):
try:
group.authorize(*args)
except boto_exc.EC2ResponseError as e:
self.assertEqual(e.status, 400, 'Expected status to be 400')
self.assertIn(message, e.error_message)
else:
raise self.failureException, 'EC2ResponseError not raised'
# Invalid CIDR address
_assert('Invalid CIDR', 'tcp', 80, 81, '0.0.0.0/0444')
# Missing ports
_assert('Not enough parameters', 'tcp', '0.0.0.0/0')
# from port cannot be greater than to port
_assert('Invalid port range', 'tcp', 100, 1, '0.0.0.0/0')
# For tcp, negative values are not allowed
_assert('Invalid port range', 'tcp', -1, 1, '0.0.0.0/0')
# For tcp, valid port range 1-65535
_assert('Invalid port range', 'tcp', 1, 65599, '0.0.0.0/0')
# Invalid Cidr for ICMP type
_assert('Invalid CIDR', 'icmp', -1, -1, '0.0.444.0/4')
# Invalid protocol
_assert('Invalid IP protocol', 'xyz', 1, 14, '0.0.0.0/0')
# Invalid port
_assert('Invalid input received: To and From ports must be integers',
'tcp', " ", "81", '0.0.0.0/0')
# Invalid icmp port
_assert('Invalid input received: '
'Type and Code must be integers for ICMP protocol type',
'icmp', " ", "81", '0.0.0.0/0')
# Invalid CIDR Address
_assert('Invalid CIDR', 'icmp', -1, -1, '0.0.0.0')
# Invalid CIDR Address
_assert('Invalid CIDR', 'icmp', -1, -1, '0.0.0.0/')
# Invalid Cidr ports
_assert('Invalid port range', 'icmp', 1, 256, '0.0.0.0/0')
self.expect_http()
self.mox.ReplayAll()
rv = self.ec2.get_all_security_groups()
group = [grp for grp in rv if grp.name == security_group_name][0]
self.assertEqual(len(group.rules), 8)
self.assertEqual(int(group.rules[0].from_port), 80)
self.assertEqual(int(group.rules[0].to_port), 81)
self.assertEqual(len(group.rules[0].grants), 1)
self.assertEqual(str(group.rules[0].grants[0]), '0.0.0.0/0')
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
group.revoke('tcp', 80, 81, '0.0.0.0/0')
group.revoke('icmp', -1, -1, '0.0.0.0/0')
group.revoke('udp', 80, 81, '0.0.0.0/0')
group.revoke('tcp', 1, 65535, '0.0.0.0/0')
group.revoke('udp', 1, 65535, '0.0.0.0/0')
group.revoke('icmp', 1, 0, '0.0.0.0/0')
group.revoke('icmp', 0, 1, '0.0.0.0/0')
group.revoke('icmp', 0, 0, '0.0.0.0/0')
self.expect_http()
self.mox.ReplayAll()
self.ec2.delete_security_group(security_group_name)
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
rv = self.ec2.get_all_security_groups()
self.assertEqual(len(rv), 1)
self.assertEqual(rv[0].name, 'default')
def test_authorize_revoke_security_group_cidr_v6(self):
"""Test that we can add and remove CIDR based rules
to a security group for IPv6
"""
self.expect_http()
self.mox.ReplayAll()
security_group_name = "".join(random.choice("sdiuisudfsdcnpaqwertasd")
for x in range(random.randint(4, 8)))
group = self.ec2.create_security_group(security_group_name,
'test group')
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
group.authorize('tcp', 80, 81, '::/0')
self.expect_http()
self.mox.ReplayAll()
rv = self.ec2.get_all_security_groups()
group = [grp for grp in rv if grp.name == security_group_name][0]
self.assertEqual(len(group.rules), 1)
self.assertEqual(int(group.rules[0].from_port), 80)
self.assertEqual(int(group.rules[0].to_port), 81)
self.assertEqual(len(group.rules[0].grants), 1)
self.assertEqual(str(group.rules[0].grants[0]), '::/0')
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
group.revoke('tcp', 80, 81, '::/0')
self.expect_http()
self.mox.ReplayAll()
self.ec2.delete_security_group(security_group_name)
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
rv = self.ec2.get_all_security_groups()
self.assertEqual(len(rv), 1)
self.assertEqual(rv[0].name, 'default')
def test_authorize_revoke_security_group_foreign_group(self):
"""Test that we can grant and revoke another security group access
to a security group
"""
self.expect_http()
self.mox.ReplayAll()
rand_string = 'sdiuisudfsdcnpaqwertasd'
security_group_name = "".join(random.choice(rand_string)
for x in range(random.randint(4, 8)))
other_security_group_name = "".join(random.choice(rand_string)
for x in range(random.randint(4, 8)))
group = self.ec2.create_security_group(security_group_name,
'test group')
self.expect_http()
self.mox.ReplayAll()
other_group = self.ec2.create_security_group(other_security_group_name,
'some other group')
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
group.authorize(src_group=other_group)
self.expect_http()
self.mox.ReplayAll()
rv = self.ec2.get_all_security_groups()
# I don't bother checkng that we actually find it here,
# because the create/delete unit test further up should
# be good enough for that.
for group in rv:
if group.name == security_group_name:
self.assertEqual(len(group.rules), 3)
self.assertEqual(len(group.rules[0].grants), 1)
self.assertEqual(str(group.rules[0].grants[0]),
'%s-%s' % (other_security_group_name, 'fake'))
self.expect_http()
self.mox.ReplayAll()
rv = self.ec2.get_all_security_groups()
for group in rv:
if group.name == security_group_name:
self.expect_http()
self.mox.ReplayAll()
group.connection = self.ec2
group.revoke(src_group=other_group)
self.expect_http()
self.mox.ReplayAll()
self.ec2.delete_security_group(security_group_name)
self.ec2.delete_security_group(other_security_group_name)
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