Use ubuntu servers as LB members
Change-Id: I0edc58b64cfdb3ed3ec6c5397afb1dc11b7406c4changes/12/821412/10
parent
35058b22d3
commit
af3ae474b7
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@ -36,7 +36,7 @@ def check_members_balanced(ip_address: str,
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members_count: int = None,
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lb_algorithm: str = None,
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requests_count: int = 10,
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connect_timeout: tobiko.Seconds = 2.,
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connect_timeout: tobiko.Seconds = 10.,
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interval: tobiko.Seconds = 1,
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ssh_client: ssh.SSHClientFixture = None) -> (
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typing.Dict[str, int]):
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@ -85,7 +85,6 @@ OctaviaLoadbalancerStackFixture = _octavia.OctaviaLoadbalancerStackFixture
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OctaviaListenerStackFixture = _octavia.OctaviaListenerStackFixture
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OctaviaPoolStackFixture = _octavia.OctaviaPoolStackFixture
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OctaviaMemberServerStackFixture = _octavia.OctaviaMemberServerStackFixture
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OctaviaServerStackFixture = _octavia.OctaviaServerStackFixture
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OctaviaOtherServerStackFixture = _octavia.OctaviaOtherServerStackFixture
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OctaviaOtherMemberServerStackFixture = (
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_octavia.OctaviaOtherMemberServerStackFixture)
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@ -100,7 +99,6 @@ OctaviaOvnProviderMemberServerStackFixture = (
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_octavia.OctaviaOvnProviderMemberServerStackFixture)
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OctaviaOvnProviderOtherMemberServerStackFixture = (
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_octavia.OctaviaOvnProviderOtherMemberServerStackFixture)
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OctaviaVipNetworkStackFixture = _octavia.OctaviaVipNetworkStackFixture
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QosNetworkStackFixture = _qos.QosNetworkStackFixture
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QosPolicyStackFixture = _qos.QosPolicyStackFixture
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@ -19,67 +19,17 @@ import tobiko
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from tobiko import config
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from tobiko.openstack import heat
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from tobiko.openstack import octavia
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from tobiko.openstack.stacks import _centos
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from tobiko.openstack.stacks import _cirros
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from tobiko.openstack.stacks import _hot
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from tobiko.openstack.stacks import _neutron
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from tobiko.openstack.stacks import _ubuntu
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CONF = config.CONF
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class OctaviaVipNetworkStackFixture(_neutron.NetworkStackFixture):
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# Load Balancer VIP network must use port security (required by neutron to
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# support allowed address pairs on ports)
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port_security_enabled = True
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class OctaviaCentosServerStackFixture(_centos.CentosServerStackFixture):
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network_stack = tobiko.required_setup_fixture(
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OctaviaVipNetworkStackFixture)
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@property
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def user_data(self):
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# Launch a webserver on port 80 that replies the server name to the
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# client
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return ("#cloud-config\n"
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"packages:\n"
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"- httpd\n"
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"runcmd:\n"
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"- [ sh, -c, \"hostname > /var/www/html/id\" ]\n"
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"- [ systemctl, enable, --now, httpd ]\n")
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class OctaviaCirrosServerStackFixture(_cirros.CirrosServerStackFixture):
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network_stack = tobiko.required_setup_fixture(
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OctaviaVipNetworkStackFixture)
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@property
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def user_data(self):
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# Launch a webserver on port 80 that replies the server name to the
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# client
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# This webserver relies on the nc command which may fail if multiple
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# clients connect at the same time. For concurrency testing,
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# OctaviaCentosServerStackFixture is more suited to handle multiple
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# requests.
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return (
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"#!/bin/sh\n"
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"sudo nc -k -p 80 -e echo -e \"HTTP/1.1 200 OK\r\n"
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"Content-Length: $(hostname | head -c-1 | wc -c )\r\n"
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"Server: $(hostname)\r\n"
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"Content-type: text/html; charset=utf-8\r\n"
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"Connection: close\r\n\r\n"
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"$(hostname)\"\n")
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class OctaviaServerStackFixture(OctaviaCirrosServerStackFixture):
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pass
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class OctaviaLoadbalancerStackFixture(heat.HeatStackFixture):
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template = _hot.heat_template_file('octavia/load_balancer.yaml')
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vip_network = tobiko.required_setup_fixture(OctaviaVipNetworkStackFixture)
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vip_network = tobiko.required_setup_fixture(_neutron.NetworkStackFixture)
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#: Floating IP network where the Neutron floating IP are created
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@property
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@ -187,9 +137,9 @@ class OctaviaPoolStackFixture(heat.HeatStackFixture):
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class OctaviaMemberServerStackFixture(heat.HeatStackFixture):
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template = _hot.heat_template_file('octavia/member.yaml')
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pool = tobiko.required_setup_fixture(OctaviaPoolStackFixture)
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pool = tobiko.required_fixture(OctaviaPoolStackFixture)
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server_stack = tobiko.required_setup_fixture(OctaviaServerStackFixture)
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server_stack = tobiko.required_fixture(_ubuntu.UbuntuServerStackFixture)
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application_port = 80
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@ -207,19 +157,11 @@ class OctaviaMemberServerStackFixture(heat.HeatStackFixture):
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return self.server_stack.network_stack.ipv6_subnet_id
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@property
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def member_address(self):
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return [
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fixed_ip['ip_address']
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for fixed_ip in self.server_stack.fixed_ips
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if ((self.ip_version == 4 and
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':' not in fixed_ip['ip_address']) or
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(self.ip_version == 6 and
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':' in fixed_ip['ip_address']))
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][0]
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def member_address(self) -> str:
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return str(self.server_stack.find_fixed_ip(ip_version=self.ip_version))
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class OctaviaOtherServerStackFixture(
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OctaviaServerStackFixture):
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class OctaviaOtherServerStackFixture(_ubuntu.UbuntuServerStackFixture):
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pass
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@ -18,7 +18,6 @@ import collections
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import json
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import typing
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import pytest
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import testtools
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from oslo_log import log
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@ -75,12 +74,10 @@ class OctaviaBasicTrafficScenarioTest(testtools.TestCase):
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lb_port=self.listener_stack.lb_port
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)
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@pytest.mark.flaky(reruns=3)
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def test_round_robin_traffic(self):
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# For 30 seconds we ignore specific exceptions as we know that Octavia
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# resources are being provisioned
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for attempt in tobiko.retry(timeout=30.):
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# For 5 minutes seconds we ignore specific exceptions as we know
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# that Octavia resources are being provisioned
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for attempt in tobiko.retry(timeout=300.):
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try:
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octavia.check_members_balanced(
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pool_id=self.pool_stack.pool_id,
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@ -88,14 +85,13 @@ class OctaviaBasicTrafficScenarioTest(testtools.TestCase):
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lb_algorithm=self.pool_stack.lb_algorithm,
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protocol=self.listener_stack.lb_protocol,
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port=self.listener_stack.lb_port)
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break
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except (octavia.RoundRobinException,
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octavia.TrafficTimeoutError,
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sh.ShellCommandFailed) as e:
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LOG.debug(f"Traffic couldn't reach for the #{attempt.count} "
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f"time, because of the next exception: {e}")
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LOG.exception(f"Traffic didn't reach all members after "
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f"#{attempt.number} attempts and "
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f"{attempt.elapsed_time} seconds")
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if attempt.is_last:
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raise e
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