fuel-qa/fuelweb_test/tests/tests_strength/test_neutron_base.py
Alexey Stepanov 3a68610a79 run_on_remote, execute_remote_cmd and run_on_remote_get_results elimination
use SSHClient().check_call instead

Change-Id: I39f505c860d54558734bfe1efa173cefe54cf097
2016-08-12 13:45:17 +03:00

528 lines
23 KiB
Python

# Copyright 2015 Mirantis, Inc.
#
# 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.
import re
from devops.helpers.helpers import wait
from proboscis.asserts import assert_equal
from proboscis.asserts import assert_true
from proboscis import SkipTest
# pylint: disable=redefined-builtin
from six.moves import xrange
# pylint: enable=redefined-builtin
from fuelweb_test.helpers import checkers
from fuelweb_test.helpers.decorators import retry
from fuelweb_test.helpers import os_actions
from fuelweb_test import logger
from fuelweb_test import logwrap
from fuelweb_test import settings
from fuelweb_test.tests import base_test_case
class NotFound(Exception):
message = "Not Found."
class TestNeutronFailoverBase(base_test_case.TestBasic):
"""TestNeutronFailoverBase
:param: self.segment_type - string, one of the elements from the
list settings.NEUTRON_SEGMENT
"""
# ----------- helpers -----------
@property
def segment_type(self):
raise ValueError(
'Property segment_type should be redefined in child classes '
'before use!')
@staticmethod
@logwrap
def create_instance_with_keypair(os_conn, key_name, label):
return os_conn.create_server_for_migration(key_name=key_name,
label=label)
@staticmethod
@logwrap
def reschedule_router_manually(os_conn, router_id):
router_l3_agents = os_conn.get_l3_agent_ids(router_id)
if not router_l3_agents:
raise NotFound("l3 agent hosting router with id:{}"
" not found.".format(router_id))
l3_agent = router_l3_agents[0]
logger.debug("l3 agent id is {0}".format(l3_agent))
another_l3_agents = os_conn.get_available_l3_agents_ids(l3_agent)
if not another_l3_agents:
raise NotFound("another l3 agent except l3 agent with id:{}"
" not found.".format(l3_agent))
another_l3_agent = another_l3_agents[0]
logger.debug("another l3 agent is {0}".format(another_l3_agent))
os_conn.remove_l3_from_router(l3_agent, router_id)
os_conn.add_l3_to_router(another_l3_agent, router_id)
err_msg = ("l3 agent with id:{l3_1} don't start hosting router "
"with id:{router} after remove l3 agent with id:{l3_2} "
"as a hosting this router during 5 minutes.")
wait(lambda: os_conn.get_l3_agent_ids(router_id), timeout=60 * 5,
timeout_msg=err_msg.format(l3_1=l3_agent, router=router_id,
l3_2=another_l3_agent))
@staticmethod
@logwrap
def check_instance_connectivity(remote, dhcp_namespace, instance_ip,
instance_keypair):
cmd_check_ns = 'ip netns list'
namespaces = [
l.strip() for l in remote.check_call(cmd_check_ns).stdout]
logger.debug('Net namespaces on remote: {0}.'.format(namespaces))
assert_true(dhcp_namespace in namespaces,
"Network namespace '{0}' doesn't exist on "
"remote slave!".format(dhcp_namespace))
instance_key_path = '/root/.ssh/instancekey_rsa'
remote.check_call('echo "{0}" > {1} && chmod 400 {1}'.format(
instance_keypair.private_key, instance_key_path))
cmd = (". openrc; ip netns exec {0} ssh -i {1}"
" -o 'StrictHostKeyChecking no'"
" cirros@{2} \"ping -c 1 {3}\"").format(dhcp_namespace,
instance_key_path,
instance_ip,
settings.PUBLIC_TEST_IP)
err_msg = ("SSH command:\n{command}\nwas not completed with "
"exit code 0 after 3 attempts with 1 minute timeout.")
wait(lambda: remote.execute(cmd)['exit_code'] == 0,
interval=60, timeout=3 * 60,
timeout_msg=err_msg.format(command=cmd))
res = remote.execute(cmd)
assert_equal(0, res['exit_code'],
'Instance has no connectivity, exit code {0},'
'stdout {1}, stderr {2}'.format(res['exit_code'],
res['stdout'],
res['stderr']))
@logwrap
def get_node_with_dhcp(self, os_conn, net_id):
nodes = os_conn.get_node_with_dhcp_for_network(net_id)
if not nodes:
raise NotFound("Nodes with dhcp for network with id:{}"
" not found.".format(net_id))
node_fqdn = self.fuel_web.get_fqdn_by_hostname(nodes[0])
logger.debug('node name with dhcp is {0}'.format(nodes[0]))
return self.fuel_web.find_devops_node_by_nailgun_fqdn(
node_fqdn, self.env.d_env.nodes().slaves[0:6])
@logwrap
def get_node_with_l3(self, node_with_l3):
node_with_l3_fqdn = self.fuel_web.get_fqdn_by_hostname(node_with_l3)
logger.debug("new node with l3 is {0}".format(node_with_l3))
devops_node = self.fuel_web.find_devops_node_by_nailgun_fqdn(
node_with_l3_fqdn,
self.env.d_env.nodes().slaves[0:6])
return devops_node
def deploy_ha_neutron(self):
try:
self.check_run('deploy_ha_neutron_{}'.format(self.segment_type))
except SkipTest:
return
self.env.revert_snapshot("ready")
self.env.bootstrap_nodes(
self.env.d_env.nodes().slaves[:6])
cluster_id = self.fuel_web.create_cluster(
name=self.__class__.__name__,
mode=settings.DEPLOYMENT_MODE,
settings={
"net_provider": 'neutron',
"net_segment_type": self.segment_type
}
)
self.fuel_web.update_nodes(
cluster_id,
{
'slave-01': ['controller'],
'slave-02': ['controller'],
'slave-03': ['controller'],
'slave-04': ['compute'],
'slave-05': ['compute'],
'slave-06': ['cinder']
}
)
self.fuel_web.deploy_cluster_wait(cluster_id)
for node in ['slave-0{0}'.format(slave) for slave in xrange(1, 4)]:
ip = self.fuel_web.get_nailgun_node_by_name(node)['ip']
checkers.check_public_ping(ip)
self.env.make_snapshot('deploy_ha_neutron_{}'.format(
self.segment_type), is_make=True)
# ----------- test suites -----------
def neutron_l3_migration(self):
self.env.revert_snapshot("deploy_ha_neutron_{}".format(
self.segment_type))
# init variables
cluster_id = self.fuel_web.get_last_created_cluster()
os_conn = os_actions.OpenStackActions(
self.fuel_web.get_public_vip(cluster_id))
net_name = self.fuel_web.get_cluster_predefined_networks_name(
cluster_id)['private_net']
net_id = os_conn.get_network(net_name)['id']
router_id = os_conn.get_routers_ids()[0]
devops_node = self.get_node_with_dhcp(os_conn, net_id)
_ip = self.fuel_web.get_nailgun_node_by_name(devops_node.name)['ip']
nodes_with_l3 = os_conn.get_l3_agent_hosts(router_id)
if not nodes_with_l3:
err_msg = ("Node with l3 agent from router:{r_id} after reset "
"old node with l3 agent not found.")
raise NotFound(err_msg.format(router_id))
node_with_l3 = nodes_with_l3[0]
instance_keypair = os_conn.create_key(key_name='instancekey')
# create instance for check neutron migration processes
instance_ip = self.create_instance_with_keypair(
os_conn, instance_keypair.name,
label=net_name).addresses[net_name][0]['addr']
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
dhcp_namespace = ''.join(remote.execute(
'ip netns | grep {0}'.format(net_id))['stdout']).rstrip()
logger.debug('dhcp namespace is {0}'.format(dhcp_namespace))
ssh_awail_cmd = ('ip netns exec {ns} /bin/bash -c "{cmd}"'.format(
ns=dhcp_namespace,
cmd="echo '' | nc -w 1 {ip} 22 > /dev/null".format(
ip=instance_ip)))
# Wait 60 second until ssh is available on instance
wait(
lambda: remote.execute(ssh_awail_cmd)['exit_code'] == 0,
timeout=60)
logger.debug('instance internal ip is {0}'.format(instance_ip))
# Reschedule router for net for created instance to new controller
self.reschedule_router_manually(os_conn, router_id)
# Get remote to the controller with running DHCP agent
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
dhcp_namespace = ''.join(remote.execute(
'ip netns | grep {0}'.format(net_id))['stdout']).rstrip()
logger.debug('dhcp namespace is {0}'.format(dhcp_namespace))
# Check connect to public network from instance after
# rescheduling l3 agent for router
self.check_instance_connectivity(
remote, dhcp_namespace, instance_ip, instance_keypair)
# Find new l3 agent after rescheduling
node_with_l3 = os_conn.get_l3_agent_hosts(router_id)[0]
# Ban this l3 agent using pacemaker
remote.execute("pcs resource ban neutron-l3-agent {0}".format(
node_with_l3))
err_msg = "l3 agent wasn't banned, it is still {0}"
# Wait to migrate l3 agent on new controller
wait(lambda: not node_with_l3 == os_conn.get_l3_agent_hosts(
router_id)[0], timeout=60 * 3,
timeout_msg=err_msg.format(node_with_l3))
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
# Check connect to public network from instance after
# ban old l3 agent for router
self.check_instance_connectivity(remote, dhcp_namespace,
instance_ip, instance_keypair)
self.fuel_web.run_ostf(
cluster_id=cluster_id,
test_sets=['ha', 'smoke', 'sanity'])
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
# Unban banned l3 agent
remote.execute("pcs resource clear neutron-l3-agent {0}".
format(node_with_l3))
def neutron_l3_migration_after_reset(self):
self.env.revert_snapshot("deploy_ha_neutron_{}".format(
self.segment_type))
# Init variables
cluster_id = self.fuel_web.get_last_created_cluster()
os_conn = os_actions.OpenStackActions(
self.fuel_web.get_public_vip(cluster_id))
net_name = self.fuel_web.get_cluster_predefined_networks_name(
cluster_id)['private_net']
net_id = os_conn.get_network(net_name)['id']
devops_node = self.get_node_with_dhcp(os_conn, net_id)
instance_keypair = os_conn.create_key(key_name='instancekey')
router_id = os_conn.get_routers_ids()[0]
_ip = self.fuel_web.get_nailgun_node_by_name(devops_node.name)['ip']
# create instance for check neutron migration processes
instance_ip = self.create_instance_with_keypair(
os_conn, instance_keypair.name,
label=net_name).addresses[net_name][0]['addr']
logger.debug('instance internal ip is {0}'.format(instance_ip))
# Reschedule router for net for created instance to new controller
self.reschedule_router_manually(os_conn, router_id)
# Get remote to the controller with running DHCP agent
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
dhcp_namespace = ''.join(remote.execute(
'ip netns | grep {0}'.format(net_id))['stdout']).rstrip()
logger.debug('dhcp namespace is {0}'.format(dhcp_namespace))
# Check connect to public network from instance after
# rescheduling l3 agent for router
self.check_instance_connectivity(remote, dhcp_namespace,
instance_ip, instance_keypair)
# Find node with hosting l3 agent for router
nodes_with_l3 = os_conn.get_l3_agent_hosts(router_id)
if not nodes_with_l3:
err_msg = ("Node with l3 agent from router:{r_id} after reset "
"old node with l3 agent not found.")
raise NotFound(err_msg.format(router_id))
node_with_l3 = nodes_with_l3[0]
new_devops = self.get_node_with_l3(node_with_l3)
# Restart this node
self.fuel_web.warm_restart_nodes([new_devops])
err_msg = "Node:{node} was not come back to online state after reset."
wait(lambda: self.fuel_web.get_nailgun_node_by_devops_node(
new_devops)['online'], timeout=60 * 5,
timeout_msg=err_msg.format(node=new_devops))
# Wait for HA services get ready
self.fuel_web.assert_ha_services_ready(cluster_id)
# Wait for Galera service get ready
self.fuel_web.wait_mysql_galera_is_up(['slave-01', 'slave-02',
'slave-03'])
# Wait reschedule l3 agent
err_msg = "l3 agent wasn't rescheduled, it is still {0}"
wait(lambda: not node_with_l3 == os_conn.get_l3_agent_hosts(
router_id)[0], timeout=60 * 3,
timeout_msg=err_msg.format(node_with_l3))
# Find host with dhcp agent for private network
# after reset one of controllers
devops_node = self.get_node_with_dhcp(os_conn, net_id)
_ip = self.fuel_web.get_nailgun_node_by_devops_node(devops_node)['ip']
# Get remote to the controller with running DHCP agent
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
# Check connect to public network from instance after
# reset controller with l3 agent from this instance
self.check_instance_connectivity(remote, dhcp_namespace,
instance_ip, instance_keypair)
self.fuel_web.run_ostf(cluster_id=cluster_id,
test_sets=['ha', 'smoke', 'sanity'])
def neutron_l3_migration_after_destroy(self):
self.env.revert_snapshot("deploy_ha_neutron_{}".format(
self.segment_type))
# Init variables
cluster_id = self.fuel_web.get_last_created_cluster()
os_conn = os_actions.OpenStackActions(
self.fuel_web.get_public_vip(cluster_id))
net_name = self.fuel_web.get_cluster_predefined_networks_name(
cluster_id)['private_net']
net_id = os_conn.get_network(net_name)['id']
router_id = os_conn.get_routers_ids()[0]
devops_node = self.get_node_with_dhcp(os_conn, net_id)
_ip = self.fuel_web.get_nailgun_node_by_name(devops_node.name)['ip']
instance_keypair = os_conn.create_key(key_name='instancekey')
# create instance for check neutron migration processes
instance_ip = self.create_instance_with_keypair(
os_conn, instance_keypair.name,
label=net_name).addresses[net_name][0]['addr']
logger.debug('instance internal ip is {0}'.format(instance_ip))
# Reschedule router for net for created instance to new controller
self.reschedule_router_manually(os_conn, router_id)
# Get remote to the controller with running DHCP agent
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
dhcp_namespace = ''.join(remote.execute(
'ip netns | grep {0}'.format(net_id))['stdout']).rstrip()
logger.debug('dhcp namespace is {0}'.format(dhcp_namespace))
# Check connect to public network from instance after
# rescheduling l3 agent for router
self.check_instance_connectivity(remote, dhcp_namespace,
instance_ip, instance_keypair)
# Find node with hosting l3 agent for router
nodes_with_l3 = os_conn.get_l3_agent_hosts(router_id)
err_msg = ("Node with l3 agent from router:{r_id} after reset "
"old node with l3 agent not found.")
if not nodes_with_l3:
raise NotFound(err_msg.format(router_id))
node_with_l3 = nodes_with_l3[0]
devops_node_with_l3 = self.get_node_with_l3(node_with_l3)
# Destroy controller with l3 agent for start migration process
devops_node_with_l3.destroy()
wait(lambda: not self.fuel_web.get_nailgun_node_by_devops_node(
devops_node_with_l3)['online'], timeout=60 * 10)
# Wait for HA services get ready
self.fuel_web.assert_ha_services_ready(cluster_id, should_fail=1)
# Wait for Galera service get ready
n_ctrls = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
cluster_id,
['controller'])
d_ctrls = self.fuel_web.get_devops_nodes_by_nailgun_nodes(n_ctrls)
online_controllers_names = [n.name for n in
set(d_ctrls) - {devops_node_with_l3}]
self.fuel_web.wait_mysql_galera_is_up(online_controllers_names)
# Wait reschedule l3 agent
err_msg = "l3 agent wasn't rescheduled, it is still {0}"
wait(lambda: not node_with_l3 == os_conn.get_l3_agent_hosts(
router_id)[0], timeout=60 * 3,
timeout_msg=err_msg.format(node_with_l3))
# Find host with dhcp agent for private network
# after reset one of controllers
err_msg = ("Not found new controller node after destroy old "
"controller node:{node} with dhcp for net:{net}")
wait(lambda: self.get_node_with_dhcp(os_conn, net_id), timeout=60 * 3,
timeout_msg=err_msg.format(node=devops_node, net=net_id))
new_devops_node = self.get_node_with_dhcp(os_conn, net_id)
_ip = self.fuel_web.get_nailgun_node_by_devops_node(
new_devops_node)['ip']
# Get remote to the controller with running DHCP agent
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
# Check connect to public network from instance after
# reset controller with l3 agent from this instance
self.check_instance_connectivity(remote, dhcp_namespace,
instance_ip, instance_keypair)
# Run OSTF after destroy controller
@retry(count=3, delay=120)
def run_single_test(cluster_id):
self.fuel_web.run_single_ostf_test(
cluster_id, test_sets=['smoke'],
test_name='fuel_health.tests.smoke.'
'test_neutron_actions.TestNeutron.'
'test_check_neutron_objects_creation')
run_single_test(cluster_id)
self.fuel_web.run_ostf(
cluster_id=cluster_id,
test_sets=['sanity'])
self.fuel_web.run_ostf(
cluster_id=cluster_id,
test_sets=['ha', 'smoke'], should_fail=1)
def neutron_packets_drop_stat(self):
self.env.revert_snapshot("deploy_ha_neutron_{}".format(
self.segment_type))
# Init variables
cluster_id = self.fuel_web.get_last_created_cluster()
os_conn = os_actions.OpenStackActions(
self.fuel_web.get_public_vip(cluster_id))
_ip = self.fuel_web.get_nailgun_node_by_name('slave-01')['ip']
# Size of the header in ICMP package in bytes
ping_header_size = 28
net_label = self.fuel_web.get_cluster_predefined_networks_name(
cluster_id)['private_net']
# Create instance with floating ip for check ping from ext network
instance = os_conn.create_server_for_migration(label=net_label)
floating_ip = os_conn.assign_floating_ip(
instance, use_neutron=True)['floating_ip_address']
logger.debug("Instance floating ip is {ip}".format(ip=floating_ip))
# command for check ping to instance
ping = "ping -c 3 -w 10 {ip}"
# Check ping to instance
check_ping = ping.format(ip=floating_ip)
err_msg = 'Instance with ip:{ip} is not reachable by ICMP.'
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
wait(lambda: remote.execute(check_ping)['exit_code'] == 0,
timeout=120,
timeout_msg=err_msg.format(ip=floating_ip))
# command for get original MTU for external bridge on one
# of controllers
orig_mtu = (r"cat /sys/class/net/$(ip r g {ip} | "
r"sed -rn 's/.*dev\s+(\S+)\s.*/\1/p')/mtu")
# Get MTU on controller
mtu_cmd = orig_mtu.format(ip=floating_ip)
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
ctrl_mtu = ''.join(remote.execute(mtu_cmd)['stdout'])
logger.info("MTU on controller is equal to {mtu}".format(mtu=ctrl_mtu))
max_packetsize = int(ctrl_mtu) - ping_header_size
# command for check ping to instance w/o MTU fragmentation
# w/ special packet size
mtu_ping = "ping -M do -s {data} -c 7 -w 10 {ip}"
# Check ping to instance from controller w/ wrong MTU
new_packetsize = None
cmd = mtu_ping.format(data=max_packetsize, ip=floating_ip)
logger.info("Executing command: {0}".format(cmd))
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
res = remote.execute(cmd)
message = (res['stdout'] + res['stderr'])
if res['exit_code'] == 1:
# No packets were received at all
for l in message:
# Check if actual MTU is in stdout or in stderr
if 'Frag needed and DF set' in l or 'Message too long' in l:
logger.error("Incorrect MTU: '{line}'".format(line=l))
m = re.match(".*mtu\s*=\s*(\d+)", l)
if m:
allowed_mtu = m.group(1)
new_packetsize = int(allowed_mtu) - ping_header_size
break
if new_packetsize:
# Check ping to instance from controller w/ correct MTU
cmd = mtu_ping.format(data=new_packetsize, ip=floating_ip)
logger.info("Executing command using new MTU: {0}".format(cmd))
with self.env.d_env.get_ssh_to_remote(_ip) as remote:
res = remote.execute(cmd)
message = (res['stdout'] + res['stderr'])
err_msg = "Most packages were dropped, result code:{0}\nmessage:{1}"
assert_equal(0, res['exit_code'],
err_msg.format(res, message))