tobiko/tobiko/tests/scenario/neutron/test_floating_ip.py

283 lines
9.9 KiB
Python

# Copyright (c) 2019 Red Hat
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import
import tobiko
from tobiko import config
from tobiko.shell import ping
from tobiko.shell import sh
from tobiko.openstack import neutron
from tobiko.openstack import stacks
from tobiko.tests import base
from tobiko.tests.scenario.neutron import _stacks
CONF = config.CONF
class FloatingIPFixture(stacks.FloatingIpServerStackFixture):
"""Heat stack for testing a floating IP instance
"""
#: stack with the internal where the server port is created
network_stack = tobiko.required_setup_fixture(
_stacks.InternalNetworkFixture)
#: Whenever port security on internal network is enable
port_security_enabled = False
#: Security groups to be associated to network ports
security_groups = []
def setup_parameters(self):
"""Setup template parameters
"""
super(FloatingIPFixture, self).setup_parameters()
if self.port_security_enabled:
self.setup_port_security()
@neutron.skip_if_missing_networking_extensions('port-security')
def setup_port_security(self):
"""Setup port security template parameters
"""
self.parameters.update(
port_security_enabled=self.port_security_enabled,
security_groups=self.security_groups or [])
@property
def server_name(self):
return self.outputs.server_name
@property
def floating_ip_address(self):
return self.outputs.floating_ip_address
class FloatingIPTest(base.TobikoTest):
"""Tests connectivity to Nova instances via floating IPs"""
#: Resources stack with floating IP and Nova server
floating_ip_stack = tobiko.required_setup_fixture(FloatingIPFixture)
@property
def floating_ip_address(self):
"""Floating IP address"""
return self.floating_ip_stack.floating_ip_address
@property
def server_name(self):
"""Floating IP address"""
return self.floating_ip_stack.server_name
@property
def ssh_client(self):
"""Floating IP address"""
return self.floating_ip_stack.ssh_client
def test_ssh(self):
"""Test SSH connectivity to floating IP address"""
result = sh.execute("hostname", ssh_client=self.ssh_client)
self.assertEqual([self.server_name.lower()],
str(result.stdout).splitlines())
def test_ssh_from_cli(self):
"""Test SSH connectivity to floating IP address from CLI"""
result = sh.execute(self.floating_ip_stack.ssh_command + ['hostname'])
self.assertEqual([self.server_name.lower()],
str(result.stdout).splitlines())
def test_ping(self):
"""Test ICMP connectivity to floating IP address"""
ping.ping_until_received(self.floating_ip_address).assert_replied()
# --- test port-security extension ---------------------------------------
@neutron.skip_if_missing_networking_extensions('port-security')
def test_port_security_enabled_port_attribute(self):
"""Test port security enabled port attribute"""
self.assertEqual(self.expected_port_security_enabled,
self.observed_port_security_enabled)
@property
def expected_port_security_enabled(self):
"""Expected port security enabled value"""
return self.floating_ip_stack.port_security_enabled
@property
def observed_port_security_enabled(self):
"""Actual MTU value for internal network"""
return self.floating_ip_stack.outputs.port_security_enabled
# --- test security_group extension --------------------------------------
@neutron.skip_if_missing_networking_extensions('security-group')
def test_security_groups_port_attribute(self):
"""Test security groups port attribute"""
self.assertEqual(self.expected_security_groups,
self.observed_security_groups)
@property
def expected_security_groups(self):
"""Expected port security groups"""
return set(self.floating_ip_stack.security_groups)
@property
def observed_security_groups(self):
"""Actual port security group"""
return set(self.floating_ip_stack.outputs.security_groups)
# --- test net-mtu and net-mtu-writable extensions -----------------------
@neutron.skip_if_missing_networking_extensions('net-mtu')
def test_ping_with_net_mtu(self):
"""Test connectivity to floating IP address with MTU sized packets"""
# Wait until it can reach remote port with maximum-sized packets
ping.ping(self.floating_ip_address,
until=ping.RECEIVED,
packet_size=self.observed_net_mtu,
fragmentation=False).assert_replied()
# Verify it can't reach remote port with over-sized packets
ping.ping(self.floating_ip_address,
packet_size=self.observed_net_mtu + 1,
fragmentation=False,
count=5,
check=False).assert_not_replied()
@neutron.skip_if_missing_networking_extensions('net-mtu-writable')
def test_mtu_net_attribute(self):
"""Test 'mtu' network attribute"""
if self.expected_net_mtu:
self.assertEqual(self.expected_net_mtu,
self.observed_net_mtu)
@property
def expected_net_mtu(self):
"""Expected MTU value for internal network"""
return self.floating_ip_stack.network_stack.mtu
@property
def observed_net_mtu(self):
"""Actual MTU value for internal network"""
return self.floating_ip_stack.network_stack.outputs.mtu
@neutron.skip_if_missing_networking_extensions('port-security')
class FloatingIPWithPortSecurityFixture(FloatingIPFixture):
"""Heat stack for testing a floating IP instance with port security enabled
"""
#: Resources stack with security group to allow ping Nova servers
security_groups_stack = tobiko.required_setup_fixture(
stacks.SecurityGroupsFixture)
#: Enable port security on internal network
port_security_enabled = True
@property
def security_groups(self):
"""List with ICMP security group"""
return [self.security_groups_stack.ssh_security_group_id]
@neutron.skip_if_missing_networking_extensions('port-security',
'security-group')
class FloatingIPWithPortSecurityTest(FloatingIPTest):
"""Tests connectivity to Nova instances via floating IPs with port security
"""
#: Resources stack with floating IP and Nova server with port security
floating_ip_stack = tobiko.required_setup_fixture(
FloatingIPWithPortSecurityFixture)
def test_ping(self):
"""Test connectivity to floating IP address"""
# Wait for server instance to get ready by logging in
tobiko.setup_fixture(self.ssh_client)
# Check can't reach secured port via floating IP
ping.ping(self.floating_ip_address,
count=5,
check=False).assert_not_replied()
@neutron.skip_if_missing_networking_extensions('net-mtu')
def test_ping_with_net_mtu(self):
"""Test connectivity to floating IP address"""
# Wait for server instance to get ready by logging in
tobiko.setup_fixture(self.ssh_client)
# Verify it can't reach secured port with maximum-sized packets
ping.ping(self.floating_ip_address,
packet_size=self.observed_net_mtu,
fragmentation=False,
count=5,
check=False).assert_not_replied()
# Verify it can't reach secured port with over-sized packets
ping.ping(self.floating_ip_address,
packet_size=self.observed_net_mtu + 1,
fragmentation=False,
count=5,
check=False).assert_not_replied()
class FloatingIPWithICMPSecurityGroupFixture(
FloatingIPWithPortSecurityFixture):
"""Heat stack for testing a floating IP instance with security groups
"""
@property
def security_groups(self):
"""List with ICMP security group"""
return [self.security_groups_stack.ssh_security_group_id,
self.security_groups_stack.icmp_security_group_id]
@neutron.skip_if_missing_networking_extensions('port-security',
'security-group')
class FloatingIPWithICMPSecurityGroupTest(FloatingIPTest):
"""Tests connectivity via floating IP with security ICMP security group
"""
#: Resources stack with floating IP and Nova server to ping
floating_ip_stack = tobiko.required_setup_fixture(
FloatingIPWithICMPSecurityGroupFixture)
class FloatingIPWithNetMtuWritableFixture(FloatingIPFixture):
"""Heat stack for testing setting MTU value to internal network
"""
#: Heat stack for creating internal network with custom MTU value
network_stack = tobiko.required_setup_fixture(
_stacks.InternalNetworkWithNetMtuWritableFixture)
@neutron.skip_if_missing_networking_extensions('net-mtu-writable')
class FlatingIpWithMtuWritableTest(FloatingIPTest):
"""Tests connectivity via floating IP with modified MTU value
"""
#: Resources stack with floating IP and Nova server
floating_ip_stack = tobiko.required_setup_fixture(
FloatingIPWithNetMtuWritableFixture)