tempest-stress/tempest_stress/actions/ssh_floating.py
Ghanshyam Mann 0d1b2d9f2a Switch to use stable data_utils
Tempest provides stable library interfaces under tempest.lib.
This patch switches to use it for data_utils.

Tempest will remove the deprecated version of data_utils
in https://review.opendev.org/c/openstack/tempest/+/499869

Change-Id: I82621da3b9fe33063827f4f662b8fe9b07d6acee
2020-12-29 15:19:12 -06:00

202 lines
8.0 KiB
Python

# 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 socket
import subprocess
from tempest.common import waiters
from tempest import config
from tempest.lib.common.utils import data_utils
from tempest.lib.common.utils import test_utils
import tempest_stress.stressaction as stressaction
CONF = config.CONF
class FloatingStress(stressaction.StressAction):
# from the scenario manager
def ping_ip_address(self, ip_address):
cmd = ['ping', '-c1', '-w1', ip_address]
proc = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
proc.communicate()
success = proc.returncode == 0
return success
def tcp_connect_scan(self, addr, port):
# like tcp
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
s.connect((addr, port))
except socket.error as exc:
self.logger.info("%s(%s): %s", self.server_id, self.floating['ip'],
str(exc))
return False
self.logger.info("%s(%s): Connected :)", self.server_id,
self.floating['ip'])
s.close()
return True
def check_port_ssh(self):
def func():
return self.tcp_connect_scan(self.floating['ip'], 22)
if not test_utils.call_until_true(func, self.check_timeout,
self.check_interval):
raise RuntimeError("Cannot connect to the ssh port.")
def check_icmp_echo(self):
self.logger.info("%s(%s): Pinging..",
self.server_id, self.floating['ip'])
def func():
return self.ping_ip_address(self.floating['ip'])
if not test_utils.call_until_true(func, self.check_timeout,
self.check_interval):
raise RuntimeError("%s(%s): Cannot ping the machine.",
self.server_id, self.floating['ip'])
self.logger.info("%s(%s): pong :)",
self.server_id, self.floating['ip'])
def _create_vm(self):
self.name = name = data_utils.rand_name(
self.__class__.__name__ + "-instance")
servers_client = self.manager.servers_client
self.logger.info("creating %s" % name)
vm_args = self.vm_extra_args.copy()
vm_args['security_groups'] = [self.sec_grp]
server = servers_client.create_server(name=name, imageRef=self.image,
flavorRef=self.flavor,
**vm_args)['server']
self.server_id = server['id']
if self.wait_after_vm_create:
waiters.wait_for_server_status(self.manager.servers_client,
self.server_id, 'ACTIVE')
def _destroy_vm(self):
self.logger.info("deleting %s" % self.server_id)
self.manager.servers_client.delete_server(self.server_id)
waiters.wait_for_server_termination(self.manager.servers_client,
self.server_id)
self.logger.info("deleted %s" % self.server_id)
def _create_sec_group(self):
sec_grp_cli = self.manager.compute_security_groups_client
s_name = data_utils.rand_name(self.__class__.__name__ + '-sec_grp')
s_description = data_utils.rand_name('desc')
self.sec_grp = sec_grp_cli.create_security_group(
name=s_name, description=s_description)['security_group']
create_rule = sec_grp_cli.create_security_group_rule
create_rule(parent_group_id=self.sec_grp['id'], ip_protocol='tcp',
from_port=22, to_port=22)
create_rule(parent_group_id=self.sec_grp['id'], ip_protocol='icmp',
from_port=-1, to_port=-1)
def _destroy_sec_grp(self):
sec_grp_cli = self.manager.compute_security_groups_client
sec_grp_cli.delete_security_group(self.sec_grp['id'])
def _create_floating_ip(self):
floating_cli = self.manager.compute_floating_ips_client
self.floating = (floating_cli.create_floating_ip(self.floating_pool)
['floating_ip'])
def _destroy_floating_ip(self):
cli = self.manager.compute_floating_ips_client
cli.delete_floating_ip(self.floating['id'])
cli.wait_for_resource_deletion(self.floating['id'])
self.logger.info("Deleted Floating IP %s", str(self.floating['ip']))
def setUp(self, **kwargs):
self.image = CONF.compute.image_ref
self.flavor = CONF.compute.flavor_ref
self.vm_extra_args = kwargs.get('vm_extra_args', {})
self.wait_after_vm_create = kwargs.get('wait_after_vm_create',
True)
self.new_vm = kwargs.get('new_vm', False)
self.new_sec_grp = kwargs.get('new_sec_group', False)
self.new_floating = kwargs.get('new_floating', False)
self.reboot = kwargs.get('reboot', False)
self.floating_pool = kwargs.get('floating_pool', None)
self.verify = kwargs.get('verify', ('check_port_ssh',
'check_icmp_echo'))
self.check_timeout = kwargs.get('check_timeout', 120)
self.check_interval = kwargs.get('check_interval', 1)
self.wait_for_disassociate = kwargs.get('wait_for_disassociate',
True)
# allocate floating
if not self.new_floating:
self._create_floating_ip()
# add security group
if not self.new_sec_grp:
self._create_sec_group()
# create vm
if not self.new_vm:
self._create_vm()
def wait_disassociate(self):
cli = self.manager.compute_floating_ips_client
def func():
floating = (cli.show_floating_ip(self.floating['id'])
['floating_ip'])
return floating['instance_id'] is None
if not test_utils.call_until_true(func, self.check_timeout,
self.check_interval):
raise RuntimeError("IP disassociate timeout!")
def run_core(self):
cli = self.manager.compute_floating_ips_client
cli.associate_floating_ip_to_server(self.floating['ip'],
self.server_id)
for method in self.verify:
m = getattr(self, method)
m()
cli.disassociate_floating_ip_from_server(self.floating['ip'],
self.server_id)
if self.wait_for_disassociate:
self.wait_disassociate()
def run(self):
if self.new_sec_grp:
self._create_sec_group()
if self.new_floating:
self._create_floating_ip()
if self.new_vm:
self._create_vm()
if self.reboot:
self.manager.servers_client.reboot(self.server_id, 'HARD')
waiters.wait_for_server_status(self.manager.servers_client,
self.server_id, 'ACTIVE')
self.run_core()
if self.new_vm:
self._destroy_vm()
if self.new_floating:
self._destroy_floating_ip()
if self.new_sec_grp:
self._destroy_sec_grp()
def tearDown(self):
if not self.new_vm:
self._destroy_vm()
if not self.new_floating:
self._destroy_floating_ip()
if not self.new_sec_grp:
self._destroy_sec_grp()