769 lines
29 KiB
Python
Executable File
769 lines
29 KiB
Python
Executable File
# Copyright 2014 Cisco Systems, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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import argparse
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import ast
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import datetime
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import json
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import os
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import pprint
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import re
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import socket
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import stat
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import sys
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import traceback
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import compute
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import credentials
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import iperf_tool
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import network
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import nuttcp_tool
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import pns_mongo
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import sshutils
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import configure
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from neutronclient.v2_0 import client as neutronclient
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from novaclient.client import Client
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__version__ = '2.0.0'
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from perf_instance import PerfInstance as PerfInstance
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# Global external host info
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ext_host_list = []
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# Check IPv4 address syntax - not completely fool proof but will catch
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# some invalid formats
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def is_ipv4(address):
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try:
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socket.inet_aton(address)
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except socket.error:
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return False
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return True
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def get_absolute_path_for_file(file_name):
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'''
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Return the filename in absolute path for any file
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passed as relateive path.
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'''
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if os.path.isabs(__file__):
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abs_file_path = os.path.join(__file__.split("vmtp.py")[0],
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file_name)
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else:
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abs_file = os.path.abspath(__file__)
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abs_file_path = os.path.join(abs_file.split("vmtp.py")[0],
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file_name)
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return abs_file_path
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def normalize_paths(cfg):
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'''
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Normalize the various paths to config files, tools, ssh priv and pub key
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files.
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'''
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cfg.public_key_file = get_absolute_path_for_file(cfg.public_key_file)
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cfg.private_key_file = get_absolute_path_for_file(cfg.private_key_file)
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cfg.perf_tool_path = get_absolute_path_for_file(cfg.perf_tool_path)
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class FlowPrinter(object):
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def __init__(self):
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self.flow_num = 0
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def print_desc(self, desc):
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self.flow_num += 1
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print "=" * 60
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print('Flow %d: %s' % (self.flow_num, desc))
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class ResultsCollector(object):
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def __init__(self):
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self.results = {'flows': []}
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self.results['date'] = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
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self.results['args'] = ' '.join(sys.argv)
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self.results['version'] = __version__
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self.ppr = pprint.PrettyPrinter(indent=4, width=100)
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def add_property(self, name, value):
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self.results[name] = value
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def add_flow_result(self, flow_res):
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self.results['flows'].append(flow_res)
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self.ppr.pprint(flow_res)
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def display(self):
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self.ppr.pprint(self.results)
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def pprint(self, res):
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self.ppr.pprint(res)
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def save(self, filename):
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'''Save results in json format file.'''
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print('Saving results in json file: ' + filename)
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with open(filename, 'w') as jfp:
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json.dump(self.results, jfp, indent=4, sort_keys=True)
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def save_to_db(self, cfg):
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'''Save resutls to MongoDB database.'''
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print "Saving results to MongoDB database."
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sshcon = sshutils.SSH(cfg.access_username,
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cfg.access_host,
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password=cfg.access_password)
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if sshcon is not None:
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self.results['distro'] = sshcon.get_host_os_version()
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self.results['openstack_version'] = sshcon.check_openstack_version()
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post_id = pns_mongo.\
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pns_add_test_result_to_mongod(cfg.pns_mongod_ip,
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cfg.pns_mongod_port,
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cfg.pns_db,
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cfg.pns_collection,
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self.results)
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if post_id is None:
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print "ERROR: Failed to add result to DB"
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class VmtpException(Exception):
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pass
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class VmtpTest(object):
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def __init__(self):
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'''
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1. Authenticate nova and neutron with keystone
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2. Create new client objects for neutron and nova
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3. Find external network
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4. Find or create router for external network
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5. Find or create internal mgmt and data networks
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6. Add internal mgmt network to router
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7. Import public key for ssh
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8. Create 2 VM instances on internal networks
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9. Create floating ips for VMs
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10. Associate floating ip with VMs
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'''
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self.server = None
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self.client = None
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self.net = None
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self.comp = None
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self.ping_status = None
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self.client_az_list = None
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self.sec_group = None
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self.image_instance = None
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self.flavor_type = None
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# Create an instance on a particular availability zone
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def create_instance(self, inst, az, int_net):
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nics = [{'net-id': int_net['id']}]
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self.assert_true(inst.create(self.image_instance,
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self.flavor_type,
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config.public_key_name,
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nics,
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az,
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int_net['name'],
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self.sec_group))
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def assert_true(self, cond):
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if not cond:
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raise VmtpException('Assert failure')
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def setup(self):
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# If we need to reuse existing vms just return without setup
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if not config.reuse_existing_vm:
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creds = cred.get_credentials()
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creds_nova = cred.get_nova_credentials_v2()
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# Create the nova and neutron instances
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nova_client = Client(**creds_nova)
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neutron = neutronclient.Client(**creds)
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self.comp = compute.Compute(nova_client, config)
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# Add the script public key to openstack
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self.comp.add_public_key(config.public_key_name,
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config.public_key_file)
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self.image_instance = self.comp.find_image(config.image_name)
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if self.image_instance is None:
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"""
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# Try to upload the image
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print '%s: image not found, will try to upload it' % (config.image_name)
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self.comp.copy_and_upload_image(config.image_name, config.server_ip_for_image,
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config.image_path_in_server)
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time.sleep(10)
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self.image_instance = self.comp.find_image(config.image_name)
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"""
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# Exit the pogram
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print '%s: image not found.' % (config.image_name)
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sys.exit(1)
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self.assert_true(self.image_instance)
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print 'Found image: %s' % (config.image_name)
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self.flavor_type = self.comp.find_flavor(config.flavor_type)
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self.net = network.Network(neutron, config)
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# Create a new security group for the test
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self.sec_group = self.comp.security_group_create()
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if not self.sec_group:
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raise VmtpException("Security group creation failed")
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if config.reuse_existing_vm:
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self.server.internal_ip = config.vm_server_internal_ip
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self.client.internal_ip = config.vm_client_internal_ip
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if config.vm_server_external_ip:
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self.server.ssh_ip = config.vm_server_external_ip
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else:
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self.server.ssh_ip = config.vm_server_internal_ip
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if config.vm_client_external_ip:
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self.client.ssh_ip = config.vm_client_external_ip
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else:
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self.client.ssh_ip = config.vm_client_internal_ip
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return
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# this is the standard way of running the test
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# NICs to be used for the VM
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if config.reuse_network_name:
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# VM needs to connect to existing management and new data network
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# Reset the management network name
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config.internal_network_name[0] = config.reuse_network_name
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else:
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# Make sure we have an external network and an external router
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self.assert_true(self.net.ext_net)
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self.assert_true(self.net.ext_router)
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self.assert_true(self.net.vm_int_net)
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# Get hosts for the availability zone to use
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avail_list = self.comp.list_hypervisor(config.availability_zone)
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# compute the list of client vm placements to run
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if avail_list:
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server_az = config.availability_zone + ":" + avail_list[0]
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if len(avail_list) > 1:
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# can do intra + inter
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if config.inter_node_only:
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# inter-node only
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self.client_az_list = [config.availability_zone +
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":" + avail_list[1]]
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else:
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self.client_az_list = [server_az, config.availability_zone +
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":" + avail_list[1]]
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else:
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# can only do intra
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self.client_az_list = [server_az]
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else:
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# cannot get the list of hosts
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# can do intra or inter (cannot know)
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server_az = config.availability_zone
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self.client_az_list = [server_az]
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self.server = PerfInstance(config.vm_name_server,
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config,
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self.comp,
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self.net,
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server=True)
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self.server.display('Creating server VM...')
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self.create_instance(self.server, server_az,
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self.net.vm_int_net[0])
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# Test throughput for the case of the external host
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def ext_host_tp_test(self):
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client = PerfInstance('Host-' + ext_host_list[1] + '-Client', config)
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if not client.setup_ssh(ext_host_list[1], ext_host_list[0]):
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client.display('SSH failed, check IP or make sure public key is configured')
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else:
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client.buginf('SSH connected')
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client.create()
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fpr.print_desc('External-VM (upload/download)')
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res = client.run_client('External-VM',
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self.server.ssh_ip,
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self.server,
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bandwidth=config.vm_bandwidth,
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bidirectional=True)
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if res:
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rescol.add_flow_result(res)
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client.dispose()
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def add_location(self, label):
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'''Add a note to a label to specify same node or differemt node.'''
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# We can only tell if there is a host part in the az
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# e.g. 'nova:GG34-7'
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if ':' in self.client.az:
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if self.client.az == self.server.az:
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return label + ' (intra-node)'
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else:
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return label + ' (inter-node)'
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return label
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def create_flow_client(self, client_az, int_net):
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self.client = PerfInstance(config.vm_name_client, config,
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self.comp,
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self.net)
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self.create_instance(self.client, client_az, int_net)
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def measure_flow(self, label, target_ip):
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label = self.add_location(label)
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fpr.print_desc(label)
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# results for this flow as a dict
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perf_output = self.client.run_client(label, target_ip,
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self.server,
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bandwidth=config.vm_bandwidth,
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az_to=self.server.az)
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if opts.stop_on_error:
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# check if there is any error in the results
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results_list = perf_output['results']
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for res_dict in results_list:
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if 'error' in res_dict:
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print('Stopping execution on error, cleanup all VMs/networks manually')
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rescol.pprint(perf_output)
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sys.exit(2)
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rescol.add_flow_result(perf_output)
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def measure_vm_flows(self):
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network_type = 'Unknown'
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try:
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network_type = self.net.vm_int_net[0]['provider:network_type']
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print "OpenStack network type: " + network_type
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rescol.add_property('encapsulation', network_type)
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except KeyError as exp:
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network_type = 'Unknown'
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print "Provider network type not found: ", str(exp)
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# scenarios need to be tested for both inter and intra node
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# 1. VM to VM on same data network
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# 2. VM to VM on seperate networks fixed-fixed
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# 3. VM to VM on seperate networks floating-floating
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# we should have 1 or 2 AZ to use (intra and inter-node)
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for client_az in self.client_az_list:
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self.create_flow_client(client_az, self.net.vm_int_net[0])
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self.measure_flow("VM to VM same network fixed IP",
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self.server.internal_ip)
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self.client.dispose()
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self.client = None
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if not config.reuse_network_name:
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# Different network
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self.create_flow_client(client_az, self.net.vm_int_net[1])
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self.measure_flow("VM to VM different network fixed IP",
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self.server.internal_ip)
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self.measure_flow("VM to VM different network floating IP",
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self.server.ssh_ip)
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self.client.dispose()
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self.client = None
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# If external network is specified run that case
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if ext_host_list:
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self.ext_host_tp_test()
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def teardown(self):
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'''
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Clean up the floating ip and VMs
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'''
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print '---- Cleanup ----'
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if self.server:
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self.server.dispose()
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if self.client:
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self.client.dispose()
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if not config.reuse_existing_vm and self.net:
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self.net.dispose()
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# Remove the public key
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if self.comp:
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self.comp.remove_public_key(config.public_key_name)
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# Finally remove the security group
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self.comp.security_group_delete(self.sec_group)
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def run(self):
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error_flag = False
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try:
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self.setup()
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self.measure_vm_flows()
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except KeyboardInterrupt:
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traceback.format_exc()
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except VmtpException:
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traceback.format_exc()
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error_flag = True
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except sshutils.SSHError:
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traceback.format_exc()
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error_flag = True
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if opts.stop_on_error and error_flag:
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print('Stopping execution on error, cleanup all VMs/networks manually')
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sys.exit(2)
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else:
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self.teardown()
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def test_native_tp(nhosts):
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fpr.print_desc('Native Host to Host throughput')
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server_host = nhosts[0]
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server = PerfInstance('Host-' + server_host[1] + '-Server', config, server=True)
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if not server.setup_ssh(server_host[1], server_host[0]):
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server.display('SSH failed, check IP or make sure public key is configured')
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else:
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server.display('SSH connected')
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server.create()
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# if inter-node-only requested we avoid running the client on the
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# same node as the server - but only if there is at least another
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# IP provided
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if config.inter_node_only and len(nhosts) > 1:
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# remove the first element of the list
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nhosts.pop(0)
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# IP address clients should connect to, check if the user
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# has passed a server listen interface name
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if len(server_host) == 3:
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# use the IP address configured on given interface
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server_ip = server.get_interface_ip(server_host[2])
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if not server_ip:
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print('Error: cannot get IP address for interface ' + server_host[2])
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else:
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server.display('Clients will use server IP address %s (%s)' %
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(server_ip, server_host[2]))
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else:
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# use same as ssh IP
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server_ip = server_host[1]
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if server_ip:
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# start client side, 1 per host provided
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for client_host in nhosts:
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client = PerfInstance('Host-' + client_host[1] + '-Client', config)
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if not client.setup_ssh(client_host[1], client_host[0]):
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client.display('SSH failed, check IP or make sure public key is configured')
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else:
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client.buginf('SSH connected')
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client.create()
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res = client.run_client('Native host-host',
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server_ip,
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server,
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bandwidth=config.vm_bandwidth)
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rescol.add_flow_result(res)
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client.dispose()
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server.dispose()
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if __name__ == '__main__':
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fpr = FlowPrinter()
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rescol = ResultsCollector()
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parser = argparse.ArgumentParser(description='OpenStack VM Throughput V' + __version__)
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parser.add_argument('-c', '--config', dest='config',
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action='store',
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help='override default values with a config file',
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metavar='<config_file>')
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parser.add_argument('-r', '--rc', dest='rc',
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action='store',
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help='source OpenStack credentials from rc file',
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metavar='<openrc_file>')
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parser.add_argument('-m', '--monitor', dest='monitor',
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action='store',
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help='Enable CPU monitoring (requires Ganglia)',
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metavar='<gmond_ip>[:<port>]')
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parser.add_argument('-p', '--password', dest='pwd',
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action='store',
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help='OpenStack password',
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metavar='<password>')
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parser.add_argument('-t', '--time', dest='time',
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action='store',
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help='throughput test duration in seconds (default 10 sec)',
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metavar='<time>')
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parser.add_argument('--host', dest='hosts',
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action='append',
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help='native host throughput (targets requires ssh key)',
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metavar='<user>@<host_ssh_ip>[:<server-listen-if-name>]')
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parser.add_argument('--external-host', dest='ext_host',
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action='store',
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help='external-VM throughput (target requires ssh key)',
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metavar='<user>@<ext_host_ssh_ip>')
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parser.add_argument('--access_info', dest='access_info',
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action='store',
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help='access info for control host',
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metavar='{host:<hostip>, user:<user>, password:<pass>}')
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parser.add_argument('--mongod_server', dest='mongod_server',
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action='store',
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help='provide mongoDB server IP to store results',
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metavar='<server ip>')
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|
|
|
parser.add_argument('--json', dest='json',
|
|
action='store',
|
|
help='store results in json format file',
|
|
metavar='<file>')
|
|
|
|
parser.add_argument('--tp-tool', dest='tp_tool',
|
|
action='store',
|
|
default='nuttcp',
|
|
help='transport perf tool to use (default=nuttcp)',
|
|
metavar='nuttcp|iperf')
|
|
|
|
parser.add_argument('--hypervisor', dest='hypervisors',
|
|
action='append',
|
|
help='hypervisor to use in the avail zone (1 per arg, up to 2 args)',
|
|
metavar='name')
|
|
|
|
parser.add_argument('--inter-node-only', dest='inter_node_only',
|
|
default=False,
|
|
action='store_true',
|
|
help='only measure inter-node')
|
|
|
|
parser.add_argument('--protocols', dest='protocols',
|
|
action='store',
|
|
default='TUI',
|
|
help='protocols T(TCP), U(UDP), I(ICMP) - default=TUI (all)',
|
|
metavar='T|U|I')
|
|
|
|
parser.add_argument('--bandwidth', dest='vm_bandwidth',
|
|
action='store',
|
|
default=0,
|
|
help='the bandwidth limit for TCP/UDP flows in K/M/Gbps, '
|
|
'e.g. 128K/32M/5G. (default=no limit) ',
|
|
metavar='<bandwidth>')
|
|
|
|
parser.add_argument('--tcpbuf', dest='tcp_pkt_sizes',
|
|
action='store',
|
|
default=0,
|
|
help='list of buffer length when transmitting over TCP in Bytes, '
|
|
'e.g. --tcpbuf 8192,65536. (default=65536)',
|
|
metavar='<tcp_pkt_size1,...>')
|
|
|
|
parser.add_argument('--udpbuf', dest='udp_pkt_sizes',
|
|
action='store',
|
|
default=0,
|
|
help='list of buffer length when transmitting over UDP in Bytes, '
|
|
'e.g. --udpbuf 128,2048. (default=128,1024,8192)',
|
|
metavar='<udp_pkt_size1,...>')
|
|
|
|
parser.add_argument('--no-env', dest='no_env',
|
|
default=False,
|
|
action='store_true',
|
|
help='do not read env variables')
|
|
|
|
parser.add_argument('-d', '--debug', dest='debug',
|
|
default=False,
|
|
action='store_true',
|
|
help='debug flag (very verbose)')
|
|
|
|
parser.add_argument('-v', '--version', dest='version',
|
|
default=False,
|
|
action='store_true',
|
|
help='print version of this script and exit')
|
|
|
|
parser.add_argument('--stop-on-error', dest='stop_on_error',
|
|
default=False,
|
|
action='store_true',
|
|
help='Stop and keep everything as-is on error (must cleanup manually)')
|
|
|
|
(opts, args) = parser.parse_known_args()
|
|
|
|
default_cfg_file = get_absolute_path_for_file("cfg.default.yaml")
|
|
|
|
# read the default configuration file and possibly an override config file
|
|
config = configure.Configuration.from_file(default_cfg_file).configure()
|
|
if opts.config:
|
|
alt_config = configure.Configuration.from_file(opts.config).configure()
|
|
config = config.merge(alt_config)
|
|
|
|
if opts.version:
|
|
print('Version ' + __version__)
|
|
sys.exit(0)
|
|
|
|
# debug flag
|
|
config.debug = opts.debug
|
|
config.inter_node_only = opts.inter_node_only
|
|
|
|
config.hypervisors = opts.hypervisors
|
|
|
|
# time to run each perf test in seconds
|
|
if opts.time:
|
|
config.time = int(opts.time)
|
|
else:
|
|
config.time = 10
|
|
|
|
if opts.json:
|
|
config.json_file = opts.json
|
|
else:
|
|
config.json_file = None
|
|
|
|
###################################################
|
|
# Access info for the server to collect metadata for
|
|
# the run.
|
|
###################################################
|
|
if opts.access_info:
|
|
access_info = ast.literal_eval(opts.access_info)
|
|
config.access_host = access_info['host']
|
|
config.access_username = access_info['user']
|
|
config.access_password = access_info['password']
|
|
else:
|
|
config.access_host = None
|
|
config.access_username = None
|
|
config.access_password = None
|
|
|
|
###################################################
|
|
# MongoDB Server connection info.
|
|
###################################################
|
|
if opts.mongod_server:
|
|
config.pns_mongod_ip = opts.mongod_server
|
|
else:
|
|
config.pns_mongod_ip = None
|
|
|
|
if 'pns_mongod_port' not in config:
|
|
# Set MongoDB default port if not set.
|
|
config.pns_mongod_port = 27017
|
|
|
|
# the bandwidth limit for VMs
|
|
if opts.vm_bandwidth:
|
|
opts.vm_bandwidth = opts.vm_bandwidth.upper().strip()
|
|
ex_unit = 'KMG'.find(opts.vm_bandwidth[-1])
|
|
try:
|
|
if ex_unit == -1:
|
|
raise ValueError
|
|
val = int(opts.vm_bandwidth[0:-1])
|
|
except ValueError:
|
|
print 'Invalid --bandwidth parameter. A valid input must '\
|
|
'specify only one unit (K|M|G).'
|
|
sys.exit(1)
|
|
config.vm_bandwidth = int(val * (10 ** (ex_unit * 3)))
|
|
|
|
# the pkt size for TCP and UDP
|
|
if opts.tcp_pkt_sizes:
|
|
try:
|
|
config.tcp_pkt_sizes = opts.tcp_pkt_sizes.split(',')
|
|
for i in xrange(len(config.tcp_pkt_sizes)):
|
|
config.tcp_pkt_sizes[i] = int(config.tcp_pkt_sizes[i])
|
|
except ValueError:
|
|
print 'Invalid --tcpbuf parameter. A valid input must be '\
|
|
'integers seperated by comma.'
|
|
sys.exit(1)
|
|
|
|
if opts.udp_pkt_sizes:
|
|
try:
|
|
config.udp_pkt_sizes = opts.udp_pkt_sizes.split(',')
|
|
for i in xrange(len(config.udp_pkt_sizes)):
|
|
config.udp_pkt_sizes[i] = int(config.udp_pkt_sizes[i])
|
|
except ValueError:
|
|
print 'Invalid --udpbuf parameter. A valid input must be '\
|
|
'integers seperated by comma.'
|
|
sys.exit(1)
|
|
|
|
#####################################################
|
|
# Set Ganglia server ip and port if the monitoring (-m)
|
|
# option is enabled.
|
|
#####################################################
|
|
config.gmond_svr_ip = None
|
|
config.gmond_svr_port = None
|
|
if opts.monitor:
|
|
# Add the default gmond port if not present
|
|
if ':' not in opts.monitor:
|
|
opts.monitor += ':8649'
|
|
|
|
mobj = re.match(r'(\d+\.\d+\.\d+\.\d+):(\d+)', opts.monitor)
|
|
if mobj:
|
|
config.gmond_svr_ip = mobj.group(1)
|
|
config.gmond_svr_port = mobj.group(2)
|
|
print "Ganglia monitoring enabled (%s:%s)" % \
|
|
(config.gmond_svr_ip, config.gmond_svr_port)
|
|
config.time = 30
|
|
|
|
else:
|
|
print 'Invalid --monitor syntax: ' + opts.monitor
|
|
|
|
###################################################
|
|
# Once we parse the config files, normalize
|
|
# the paths so that all paths are absolute paths.
|
|
###################################################
|
|
normalize_paths(config)
|
|
|
|
# first chmod the local private key since git does not keep the permission
|
|
# as this is required by ssh/scp
|
|
os.chmod(config.private_key_file, stat.S_IRUSR | stat.S_IWUSR)
|
|
|
|
# Check the tp-tool name
|
|
config.protocols = opts.protocols.upper()
|
|
if 'T' in config.protocols or 'U' in config.protocols:
|
|
if opts.tp_tool.lower() == 'nuttcp':
|
|
config.tp_tool = nuttcp_tool.NuttcpTool
|
|
elif opts.tp_tool.lower() == 'iperf':
|
|
config.tp_tool = iperf_tool.IperfTool
|
|
else:
|
|
print 'Invalid transport tool: ' + opts.tp_tool
|
|
sys.exit(1)
|
|
else:
|
|
config.tp_tool = None
|
|
|
|
# 3 forms are accepted:
|
|
# --host 1.1.1.1
|
|
# --host root@1.1.1.1
|
|
# --host root@1.1.1.1:eth0
|
|
# A list of 0 to 2 lists where each nested list is
|
|
# a list of 1 to 3 elements. e.g.:
|
|
# [['ubuntu','1.1.1.1'],['root', 2.2.2.2]]
|
|
# [['ubuntu','1.1.1.1', 'eth0'],['root', 2.2.2.2]]
|
|
# when not provided the default user is 'root'
|
|
if opts.hosts:
|
|
native_hosts = []
|
|
for host in opts.hosts:
|
|
# split on '@' first
|
|
elem_list = host.split("@")
|
|
if len(elem_list) == 1:
|
|
elem_list.insert(0, 'root')
|
|
# split out the if name if present
|
|
# ['root':'1.1.1.1:eth0'] becomes ['root':'1.1.1.1', 'eth0']
|
|
if ':' in elem_list[1]:
|
|
elem_list.extend(elem_list.pop().split(':'))
|
|
if not is_ipv4(elem_list[1]):
|
|
print 'Invalid IPv4 address ' + elem_list[1]
|
|
sys.exit(1)
|
|
native_hosts.append(elem_list)
|
|
test_native_tp(native_hosts)
|
|
|
|
# Add the external host info to a list
|
|
# if username is not given assume root as user
|
|
if opts.ext_host:
|
|
elem_list = opts.ext_host.split("@")
|
|
if len(elem_list) == 1:
|
|
elem_list.insert(0, 'root')
|
|
if not is_ipv4(elem_list[1]):
|
|
print 'Invalid IPv4 address ' + elem_list[1]
|
|
sys.exit(1)
|
|
ext_host_list = elem_list[:]
|
|
|
|
cred = credentials.Credentials(opts.rc, opts.pwd, opts.no_env)
|
|
|
|
# replace all command line arguments (after the prog name) with
|
|
# those args that have not been parsed by this parser so that the
|
|
# unit test parser is not bothered by local arguments
|
|
sys.argv[1:] = args
|
|
|
|
if cred.rc_auth_url:
|
|
if opts.debug:
|
|
print 'Using ' + cred.rc_auth_url
|
|
rescol.add_property('auth_url', cred.rc_auth_url)
|
|
vmtp = VmtpTest()
|
|
vmtp.run()
|
|
|
|
if config.json_file:
|
|
rescol.save(config.json_file)
|
|
|
|
if config.pns_mongod_ip:
|
|
rescol.save_to_db(config)
|