Hmm,it's used to generate the ip address for validation or rule checking, Meanwhile add some randomness. Of course it's unreasonable the case you mentioned, please check the existed cases [1] and [2]
[1] https://github.com/openstack/manila/blob/master/manila_tempest_tests/tests/api/base.py#L828 [2] https://github.com/openstack/manila/blob/master/manila_tempest_tests/tests/api/test_replication.py#L76 Doug Hellmann <d...@doughellmann.com>于2016年10月18日周二 上午12:01写道： > Excerpts from TommyLike Hu's message of 2016-10-17 14:46:36 +0000: > > It's used in testcase already, and basic codes is from here: > > > https://github.com/openstack/manila/blob/master/manila_tempest_tests/utils.py#L93 > > OK, I guess the real question I had is why use *random* addresses. > Because that seems like a way to end up having two tests try to use the > same address at the same time. If that did happen, would it cause > conflicts or race conditions for the manila tests? > > > > > Doug Hellmann <d...@doughellmann.com>于2016年10月17日周一 下午10:13写道： > > > > > Excerpts from TommyLike Hu's message of 2016-10-17 09:56:15 +0000: > > > > When I handle some stuff related to Manila recently, I found a case > which > > > > may be suitable for Oslo, Anyhow I put it in the maillist so it can > be > > > > discussed before I put it in action. > > > > In testcase, we need a function(maybe 2) to generate random ip > address > > > (or > > > > network), also they should in the range of [1](ipv4 documentation > range) > > > or > > > > [2](ipv6 documentation range), this is the draft code for ipv4: > > > > > > > > import six > > > > import random > > > > > > > > > > > > def rand_ipv4(network=False): > > > > """This uses the TEST-NET-3 range of reserved IP addresses.""" > > > > > > > > test_net_3 = '203.0.113.' > > > > if network: > > > > host_length = random.randint(0, 8) > > > > address_segment = random.randint(0, 8 - host_length) > > > > address_segment <<= host_length > > > > address = test_net_3 + six.text_type(address_segment) > > > > address = '/'.join((address, > > > > six.text_type(32 - host_length))) > > > > else: > > > > address = test_net_3 + six.text_type(random.randint(0, 255)) > > > > return address > > > > > > > > The primary use case here is writing testcases, I am not sure > whether it > > > > is suitable here, or maybe I misunderstood the intention of > TEST-NET-3, > > > > please leave any comment you like. > > > > > > > > > > > > [1] https://tools.ietf.org/html/rfc5737 > > > > [2] https://tools.ietf.org/html/rfc5156 > > > > > > In what way are you using random addresses in tests? > > > > > > Doug > > > > > > > __________________________________________________________________________ > > > OpenStack Development Mailing List (not for usage questions) > > > Unsubscribe: > openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
__________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
