Dmitrii Shcherbakov
110242796c
A separate service subnet for FIPs is useful in making sure that connectivity based on the advertised routes really works as opposed to relying on directly connected routes to FIPs in the undercloud network subnet used as an external network.
194 lines
7.1 KiB
Python
194 lines
7.1 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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"""Setup for Neutron deployments."""
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import functools
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import logging
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from zaza.openstack.configure import (
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network,
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)
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from zaza.openstack.utilities import (
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cli as cli_utils,
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generic as generic_utils,
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openstack as openstack_utils,
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)
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import zaza.utilities.juju as juju_utils
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import zaza.charm_lifecycle.utils as lifecycle_utils
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# The overcloud network configuration settings are declared.
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# These are the network configuration settings under test.
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OVERCLOUD_NETWORK_CONFIG = {
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"network_type": "gre",
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"router_name": openstack_utils.PROVIDER_ROUTER,
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"ip_version": "4",
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"address_scope": "public",
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"external_net_name": openstack_utils.EXT_NET,
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"external_subnet_name": openstack_utils.EXT_NET_SUBNET,
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"prefix_len": "24",
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"subnetpool_name": "pooled_subnets",
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"subnetpool_prefix": "192.168.0.0/16",
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"project_net_name": openstack_utils.PRIVATE_NET,
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"project_subnet_name": openstack_utils.PRIVATE_NET_SUBNET,
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}
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OVERCLOUD_PROVIDER_VLAN_NETWORK_CONFIG = {
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"provider_vlan_net_name": "provider_vlan",
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"provider_vlan_subnet_name": "provider_vlan_subnet",
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"provider_vlan_cidr": "10.42.33.0/24",
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"provider_vlan_id": "2933",
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}
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# The undercloud network configuration settings are substrate specific to
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# the environment where the tests are being executed. These settings may be
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# overridden by environment variables. See the doc string documentation for
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# zaza.openstack.utilities.generic_utils.get_undercloud_env_vars for the
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# environment variables required to be exported and available to zaza.
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# These are default settings provided as an example.
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DEFAULT_UNDERCLOUD_NETWORK_CONFIG = {
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"start_floating_ip": "10.5.150.0",
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"end_floating_ip": "10.5.150.254",
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"external_dns": "10.5.0.2",
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"external_net_cidr": "10.5.0.0/16",
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"default_gateway": "10.5.0.1",
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}
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# For Neutron Dynamic Tests it is useful to avoid relying on the directly
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# connected routes and instead using the advertised routes on the southbound
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# path and default routes on the northbound path. To do that, a separate
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# service subnet may be optionally created to force Neutron to use that instead
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# of the external network subnet without concrete service IPs which is used as
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# a fallback only.
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DEFAULT_FIP_SERVICE_SUBNET_CONFIG = {
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"fip_service_subnet_name": openstack_utils.FIP_SERVICE_SUBNET_NAME,
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"fip_service_subnet_cidr": "100.64.0.0/24"
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}
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def undercloud_and_charm_setup(limit_gws=None):
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"""Perform undercloud and charm setup for network plumbing.
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:param limit_gws: Limit the number of gateways that get a port attached
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:type limit_gws: int
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"""
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# Get network configuration settings
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network_config = {}
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# Default undercloud settings
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network_config.update(DEFAULT_UNDERCLOUD_NETWORK_CONFIG)
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# Environment specific settings
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network_config.update(generic_utils.get_undercloud_env_vars())
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# Get optional use_juju_wait for network option
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options = (lifecycle_utils
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.get_charm_config(fatal=False)
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.get('configure_options', {}))
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use_juju_wait = options.get(
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'configure_gateway_ext_port_use_juju_wait', True)
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# Handle network for OpenStack-on-OpenStack scenarios
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provider_type = juju_utils.get_provider_type()
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if provider_type == "openstack":
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undercloud_ks_sess = openstack_utils.get_undercloud_keystone_session()
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network.setup_gateway_ext_port(network_config,
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keystone_session=undercloud_ks_sess,
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limit_gws=limit_gws,
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use_juju_wait=use_juju_wait)
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elif provider_type == "maas":
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# NOTE(fnordahl): After validation of the MAAS+Netplan Open vSwitch
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# integration support, we would most likely want to add multiple modes
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# of operation with MAAS.
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#
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# Perform charm based OVS configuration
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openstack_utils.configure_charmed_openstack_on_maas(
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network_config, limit_gws=limit_gws)
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else:
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logging.warning('Unknown Juju provider type, "{}", will not perform'
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' charm network configuration.'
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.format(provider_type))
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def basic_overcloud_network(limit_gws=None, use_separate_fip_subnet=False):
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"""Run setup for neutron networking.
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Configure the following:
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The overcloud network using subnet pools
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:param limit_gws: Limit the number of gateways that get a port attached
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:type limit_gws: int
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:param use_separate_fip_subnet: Use a separate service subnet for floating
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ips instead of relying on the external
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network subnet for FIP allocations.
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:type use_separate_fip_subnet: bool
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"""
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cli_utils.setup_logging()
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# Get network configuration settings
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network_config = {}
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# Declared overcloud settings
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network_config.update(OVERCLOUD_NETWORK_CONFIG)
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# Default undercloud settings
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network_config.update(DEFAULT_UNDERCLOUD_NETWORK_CONFIG)
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if use_separate_fip_subnet:
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network_config.update(DEFAULT_FIP_SERVICE_SUBNET_CONFIG)
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# Environment specific settings
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network_config.update(generic_utils.get_undercloud_env_vars())
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# Get keystone session
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keystone_session = openstack_utils.get_overcloud_keystone_session()
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# Perform undercloud and charm setup for network plumbing
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undercloud_and_charm_setup(limit_gws=limit_gws)
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# Configure the overcloud network
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network.setup_sdn(network_config, keystone_session=keystone_session)
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def vlan_provider_overcloud_network():
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"""Run setup to create a VLAN provider network."""
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cli_utils.setup_logging()
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# Get network configuration settings
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network_config = {}
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# Declared overcloud settings
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network_config.update(OVERCLOUD_NETWORK_CONFIG)
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# Declared provider vlan overcloud settings
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network_config.update(OVERCLOUD_PROVIDER_VLAN_NETWORK_CONFIG)
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# Environment specific settings
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network_config.update(generic_utils.get_undercloud_env_vars())
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# Get keystone session
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keystone_session = openstack_utils.get_overcloud_keystone_session()
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# Configure the overcloud network
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network.setup_sdn_provider_vlan(network_config,
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keystone_session=keystone_session)
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# Configure function to get one gateway with external network
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overcloud_network_one_gw = functools.partial(
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basic_overcloud_network,
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limit_gws=1)
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# Configure function to get two gateways with external network
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overcloud_network_two_gws = functools.partial(
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basic_overcloud_network,
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limit_gws=2)
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