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

225 lines
8.7 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
CONF = config.CONF
class FloatingIPTest(base.TobikoTest):
"""Tests connectivity via floating IPs"""
#: Resources stack with floating IP and Nova server
stack = tobiko.required_setup_fixture(stacks.CirrosServerStackFixture)
def test_stack_create_complete(self):
self.stack.key_pair_stack.wait_for_create_complete()
self.stack.network_stack.wait_for_create_complete()
self.stack.wait_for_create_complete()
def test_ssh(self):
"""Test SSH connectivity to floating IP address"""
result = sh.execute("hostname", ssh_client=self.stack.ssh_client)
hostname, = str(result.stdout).splitlines()
self.assertEqual(self.stack.server_name.lower(), hostname)
def test_ssh_from_cli(self):
"""Test SSH connectivity to floating IP address from CLI"""
result = sh.execute("hostname", shell=self.stack.ssh_command)
hostname, = str(result.stdout).splitlines()
self.assertEqual(self.stack.server_name.lower(), hostname)
def test_ping(self):
"""Test ICMP connectivity to floating IP address"""
ping.ping_until_received(
self.stack.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.stack.port_security_enabled
@property
def observed_port_security_enabled(self):
"""Actual MTU value for internal network"""
return self.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.stack.security_groups)
@property
def observed_security_groups(self):
"""Actual port security group"""
return set(self.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.stack.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.stack.floating_ip_address,
packet_size=self.observed_net_mtu + 1,
fragmentation=False,
count=5,
check=False).assert_not_replied()
@property
def observed_net_mtu(self):
"""Actual MTU value for internal network"""
return self.stack.network_stack.outputs.mtu
# --- Test with port security enabled -----------------------------------------
@neutron.skip_if_missing_networking_extensions('port-security',
'security-group')
class FloatingIPWithPortSecurityFixture(stacks.CirrosServerStackFixture):
"""Heat stack for testing a floating IP instance with port security"""
#: 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 via floating IPs with port security"""
#: Resources stack with floating IP and Nova server with port security
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
self.stack.ssh_client.connect()
# Check can't reach secured port via floating IP
ping.ping(self.stack.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.stack.ssh_client)
self.stack.ssh_client.connect()
# Verify it can't reach secured port with maximum-sized packets
ping.ping(self.stack.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.stack.floating_ip_address,
packet_size=self.observed_net_mtu + 1,
fragmentation=False,
count=5,
check=False).assert_not_replied()
# --- Test with ICMP security group -------------------------------------------
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
stack = tobiko.required_setup_fixture(
FloatingIPWithICMPSecurityGroupFixture)
# --- Test net-mtu-write extension --------------------------------------------
@neutron.skip_if_missing_networking_extensions('net-mtu-writable')
class FloatingIPWithNetMtuWritableFixture(stacks.CirrosServerStackFixture):
"""Heat stack for testing floating IP with a custom MTU network value"""
#: Heat stack for creating internal network with custom MTU value
network_stack = tobiko.required_setup_fixture(
stacks.NetworkWithNetMtuWriteStackFixture)
@neutron.skip_if_missing_networking_extensions('net-mtu-writable')
class FloatingIpWithMtuWritableTest(FloatingIPTest):
"""Tests connectivity via floating IP with a custom MTU value"""
#: Resources stack with floating IP and Nova server
stack = tobiko.required_setup_fixture(FloatingIPWithNetMtuWritableFixture)
def test_net_mtu_write(self):
"""Test 'mtu' network attribute"""
self.assertEqual(self.expected_net_mtu, self.observed_net_mtu)
@property
def expected_net_mtu(self):
"""Expected MTU value for internal network"""
return self.stack.network_stack.custom_mtu_size