114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
# Copyright 2018 Canonical Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Code for setting up neutron-openvswitch."""
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import logging
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import pprint
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import zaza
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import zaza.openstack.utilities.openstack as openstack_utils
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def overlay_network():
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"""Create network with subnets, add OVS port per unit.
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Useful for testing that the `neutron-openvswitch` charm configures the
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system, LXD profiles etc in such a way that the Neutron OpenvSwitch
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agent is able to perform the required OVS configuration.
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"""
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keystone_session = openstack_utils.get_overcloud_keystone_session()
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neutron_client = openstack_utils.get_neutron_session_client(
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keystone_session)
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resp = neutron_client.create_network(
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{'network': {'name': 'zaza-neutron-openvswitch-network'}})
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network = resp['network']
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logging.info('created network {}'.format(pprint.pformat(network)))
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# make rfc4193 Unique Local IPv6 Unicast Addresses from network UUID
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rfc4193_addr = 'fc00'
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for n in [0, 4, 8]:
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rfc4193_addr += ':' + network['id'].split('-')[4][n:n + 4]
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rfc4193_addr += '::/64'
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resp = neutron_client.create_subnet(
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{
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'subnets': [
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{
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'name': 'zaza-neutron-openvswitch-subnet',
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'ip_version': 4,
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'cidr': '10.42.42.0/24',
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'network_id': network['id'],
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},
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{
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'name': 'zaza-neutron-openvswitch-subnetv6',
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'ip_version': 6,
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'ipv6_address_mode': 'slaac',
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'ipv6_ra_mode': 'slaac',
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'cidr': rfc4193_addr,
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'network_id': network['id'],
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},
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],
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})
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logging.info('created subnets {}'
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.format(pprint.pformat(resp['subnets'])))
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for unit in zaza.model.get_units('neutron-openvswitch'):
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result = zaza.model.run_on_unit(unit.entity_id, 'hostname')
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hostname = result['Stdout'].rstrip()
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logging.info('hostname: "{}"'.format(hostname))
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resp = neutron_client.create_port(
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{
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'port': {
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'binding:host_id': hostname,
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'device_owner': 'Zaza:neutron-openvswitch-test',
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'name': hostname,
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'network_id': network['id'],
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},
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})
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port = resp['port']
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logging.info('created port {}'
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.format(pprint.pformat(port)))
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result = zaza.model.run_on_unit(
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unit.entity_id,
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'ovs-vsctl -- --may-exist add-port br-int zaza0 '
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'-- set Interface zaza0 type=internal '
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'-- set Interface zaza0 external-ids:iface-status=active '
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'-- set Interface zaza0 external-ids:attached-mac={} '
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'-- set Interface zaza0 external-ids:iface-id={} '
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'-- set Interface zaza0 external-ids:skip_cleanup=true '
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.format(port['mac_address'], port['id']))
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logging.info('do ovs configuration {}'
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.format(pprint.pformat(result)))
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result = zaza.model.run_on_unit(
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unit.entity_id,
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'ip link set dev zaza0 address {} up'
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.format(port['mac_address']))
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logging.info('ip link {}'
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.format(pprint.pformat(result)))
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for ip_info in port['fixed_ips']:
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# NOTE(fnordahl) overly simplified but is sufficient for test
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if ':' in ip_info['ip_address']:
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bits = '64'
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else:
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bits = '24'
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result = zaza.model.run_on_unit(
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unit.entity_id,
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'ip addr add {}/{} dev zaza0'
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.format(ip_info['ip_address'], bits))
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logging.info('ip addr add {}'
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.format(pprint.pformat(result)))
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