180 lines
6.5 KiB
Python
180 lines
6.5 KiB
Python
# Copyright 2015 Mirantis Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from netaddr import ip
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import random
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import re
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import six
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from tempest import config
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import testtools
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CONF = config.CONF
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def get_microversion_as_tuple(microversion_str):
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"""Transforms string-like microversion to two-value tuple of integers.
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Tuple of integers useful for microversion comparisons.
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"""
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regex = r"^([1-9]\d*)\.([1-9]\d*|0)$"
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match = re.match(regex, microversion_str)
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if not match:
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raise ValueError(
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"Microversion does not fit template 'x.y' - %s" % microversion_str)
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return int(match.group(1)), int(match.group(2))
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def is_microversion_gt(left, right):
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"""Is microversion for left is greater than the right one."""
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return get_microversion_as_tuple(left) > get_microversion_as_tuple(right)
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def is_microversion_ge(left, right):
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"""Is microversion for left is greater than or equal to the right one."""
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return get_microversion_as_tuple(left) >= get_microversion_as_tuple(right)
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def is_microversion_eq(left, right):
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"""Is microversion for left is equal to the right one."""
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return get_microversion_as_tuple(left) == get_microversion_as_tuple(right)
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def is_microversion_ne(left, right):
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"""Is microversion for left is not equal to the right one."""
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return get_microversion_as_tuple(left) != get_microversion_as_tuple(right)
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def is_microversion_le(left, right):
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"""Is microversion for left is less than or equal to the right one."""
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return get_microversion_as_tuple(left) <= get_microversion_as_tuple(right)
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def is_microversion_lt(left, right):
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"""Is microversion for left is less than the right one."""
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return get_microversion_as_tuple(left) < get_microversion_as_tuple(right)
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def is_microversion_supported(microversion):
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bottom = get_microversion_as_tuple(CONF.share.min_api_microversion)
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microversion = get_microversion_as_tuple(microversion)
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top = get_microversion_as_tuple(CONF.share.max_api_microversion)
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return bottom <= microversion <= top
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def skip_if_microversion_not_supported(microversion):
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"""Decorator for tests that are microversion-specific."""
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if not is_microversion_supported(microversion):
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reason = ("Skipped. Test requires microversion '%s'." % microversion)
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return testtools.skip(reason)
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return lambda f: f
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def skip_if_microversion_lt(microversion):
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"""Decorator for tests that are microversion-specific."""
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if is_microversion_lt(CONF.share.max_api_microversion, microversion):
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reason = ("Skipped. Test requires microversion greater than or "
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"equal to '%s'." % microversion)
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return testtools.skip(reason)
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return lambda f: f
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def rand_ip(network=False):
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"""This uses the TEST-NET-3 range of reserved IP addresses.
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Using this range, which are reserved solely for use in
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documentation and example source code, should avoid any potential
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conflicts in real-world testing.
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"""
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test_net_3 = '203.0.113.'
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address = test_net_3 + six.text_type(random.randint(0, 255))
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if network:
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mask_length = six.text_type(random.randint(24, 32))
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address = '/'.join((address, mask_length))
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ip_network = ip.IPNetwork(address)
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return '/'.join((six.text_type(ip_network.network), mask_length))
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return address
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def rand_ipv6_ip(network=False):
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"""This uses the IPv6 documentation range of 2001:DB8::/32"""
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ran_add = ["%x" % random.randrange(0, 16 ** 4) for i in range(6)]
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address = "2001:0DB8:" + ":".join(ran_add)
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if network:
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mask_length = six.text_type(random.randint(32, 128))
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address = '/'.join((address, mask_length))
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ip_network = ip.IPNetwork(address)
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return '/'.join((six.text_type(ip_network.network), mask_length))
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return address
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def choose_matching_backend(share, pools, share_type):
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extra_specs = {}
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# fix extra specs with string values instead of boolean
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for k, v in share_type['extra_specs'].items():
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extra_specs[k] = (True if six.text_type(v).lower() == 'true'
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else False if six.text_type(v).lower() == 'false'
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else v)
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selected_pool = next(
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(x for x in pools if (x['name'] != share['host'] and all(
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y in x['capabilities'].items() for y in extra_specs.items()))),
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None)
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return selected_pool
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def get_configured_extra_specs(variation=None):
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"""Retrieve essential extra specs according to configuration in tempest.
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:param variation: can assume possible values: None to be as configured in
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tempest; 'opposite_driver_modes' for as configured in tempest but
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inverse driver mode; 'invalid' for inverse as configured in tempest,
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ideal for negative tests.
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:return: dict containing essential extra specs.
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"""
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extra_specs = {'storage_protocol': CONF.share.capability_storage_protocol}
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if variation == 'invalid':
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extra_specs['driver_handles_share_servers'] = (
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not CONF.share.multitenancy_enabled)
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extra_specs['snapshot_support'] = (
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not CONF.share.capability_snapshot_support)
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elif variation == 'opposite_driver_modes':
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extra_specs['driver_handles_share_servers'] = (
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not CONF.share.multitenancy_enabled)
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extra_specs['snapshot_support'] = (
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CONF.share.capability_snapshot_support)
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else:
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extra_specs['driver_handles_share_servers'] = (
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CONF.share.multitenancy_enabled)
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extra_specs['snapshot_support'] = (
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CONF.share.capability_snapshot_support)
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extra_specs['create_share_from_snapshot_support'] = (
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CONF.share.capability_create_share_from_snapshot_support)
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return extra_specs
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def skip_if_manage_not_supported_for_version(
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version=CONF.share.max_api_microversion):
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if (is_microversion_lt(version, "2.49")
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and CONF.share.multitenancy_enabled):
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raise testtools.TestCase.skipException(
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"Share manage tests with multitenancy are disabled for "
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"microversion < 2.49")
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