| import logging |
| import sys |
| import time |
| |
| import pytest |
| from texttable import Texttable |
| |
| import utils |
| from utils import os_client |
| from utils import ssh |
| |
| |
| logger = logging.getLogger(__name__) |
| |
| |
| def test_vm2vm(openstack_clients, pair, os_resources, record_property): |
| """ |
| Simplified Performance Tests VM to VM test in different topologies |
| 1. Create 4 VMs admin project |
| 2. Associate floating IPs to the VMs |
| 3. Connect to each VM via SSH and install iperf3 |
| 4. Measure VM to VM on same node via Private IP, 1 thread |
| 5. Measure VM to VM on different HW nodes via Private IP, 1 thread |
| 6. Measure VM to VM on different HW nodes via Private IP, multiple threads |
| (10 by default) |
| 7. Measure VM to VM on different HW nodes via Floating IP, 1 thread |
| 8. Measure VM to VM on different HW nodes, each VM is in separate network, |
| the networks are connected using Router via Private IP, 1 thread |
| 9. Draw the table with all pairs and results |
| """ |
| os_actions = os_client.OSCliActions(openstack_clients) |
| config = utils.get_configuration() |
| timeout = int(config.get('nova_timeout', 30)) |
| iperf_time = int(config.get('iperf_time', 60)) |
| private_key = os_resources['keypair'].private_key |
| ssh_timeout = int(config.get('ssh_timeout', 500)) |
| threads = int(config.get('multiple_threads_number', 10)) |
| iperf_utility = config.get('multiple_threads_iperf_utility', 'iperf3') |
| utils.check_iperf_utility(iperf_utility) |
| result_table = Texttable(max_width=120) |
| |
| try: |
| zone1 = [service.zone for service in |
| openstack_clients.compute.services.list() if |
| service.host == pair[0]] |
| zone2 = [service.zone for service in |
| openstack_clients.compute.services.list() |
| if service.host == pair[1]] |
| |
| # create 4 VMs |
| logger.info("Creating 4 VMs...") |
| vm1 = os_actions.create_basic_server( |
| os_resources['image_id'], os_resources['flavor_id'], |
| os_resources['net1'], '{0}:{1}'.format(zone1[0], pair[0]), |
| [os_resources['sec_group']['name']], os_resources['keypair'].name) |
| logger.info("Created VM {}.".format(vm1.id)) |
| |
| vm2 = os_actions.create_basic_server( |
| os_resources['image_id'], os_resources['flavor_id'], |
| os_resources['net1'], '{0}:{1}'.format(zone1[0], pair[0]), |
| [os_resources['sec_group']['name']], os_resources['keypair'].name) |
| logger.info("Created VM {}.".format(vm2.id)) |
| |
| vm3 = os_actions.create_basic_server( |
| os_resources['image_id'], os_resources['flavor_id'], |
| os_resources['net1'], '{0}:{1}'.format(zone2[0], pair[1]), |
| [os_resources['sec_group']['name']], os_resources['keypair'].name) |
| logger.info("Created VM {}.".format(vm3.id)) |
| |
| vm4 = os_actions.create_basic_server( |
| os_resources['image_id'], os_resources['flavor_id'], |
| os_resources['net2'], '{0}:{1}'.format(zone2[0], pair[1]), |
| [os_resources['sec_group']['name']], os_resources['keypair'].name) |
| logger.info("Created VM {}.".format(vm4.id)) |
| |
| vm_info = [] |
| vms = [] |
| vms.extend([vm1, vm2, vm3, vm4]) |
| fips = [] |
| time.sleep(5) |
| |
| # Associate FIPs and check VMs are Active |
| logger.info("Creating Floating IPs and associating them...") |
| for i in range(4): |
| fip = os_actions.create_floating_ip(os_resources['ext_net']['id']) |
| fips.append(fip['id']) |
| os_actions.check_vm_is_active(vms[i].id, timeout=timeout) |
| vms[i].add_floating_ip(fip['floating_ip_address']) |
| private_address = vms[i].addresses[ |
| list(vms[i].addresses.keys())[0]][0]['addr'] |
| vm_info.append({'vm': vms[i], 'fip': fip['floating_ip_address'], |
| 'private_address': private_address}) |
| # Check VMs are reachable and prepare iperf3 |
| transport1 = ssh.SSHTransport(vm_info[0]['fip'], 'ubuntu', |
| password='dd', private_key=private_key) |
| logger.info("Checking VMs are reachable via SSH, getting MTU...") |
| mtus = [] |
| for i in range(4): |
| if transport1.check_vm_is_reachable_ssh( |
| floating_ip=vm_info[i]['fip'], timeout=ssh_timeout): |
| ssh.prepare_iperf(vm_info[i]['fip'], private_key=private_key) |
| mtus.append(transport1.get_mtu_from_vm( |
| vm_info[i]['fip'], private_key=private_key)) |
| logger.info("MTU at networks: {}, {}".format(os_resources['net1']['mtu'], |
| os_resources['net2']['mtu'])) |
| logger.info("MTU at VMs: {}".format(", ".join(mtus))) |
| |
| # Prepare the result table and run iperf3 |
| table_rows = [] |
| table_rows.append(['Test Case', 'Host 1', 'Host 2', |
| 'MTU at VMs', 'Result']) |
| # Do iperf3 measurement #1 |
| logger.info("Doing 'VM to VM in same tenant on same node via Private " |
| "IP, 1 thread' measurement...") |
| result1 = transport1.exec_command( |
| 'iperf3 -c {} -t {} | grep sender | tail -n 1'.format( |
| vm_info[1]['private_address'], iperf_time)) |
| res1 = (b" ".join(result1.split()[-4:-2:])).decode('utf-8') |
| logger.info("Result #1 is {}".format(res1)) |
| table_rows.append(['VM to VM in same tenant on same node via ' |
| 'Private IP, 1 thread; iperf3', |
| "{}".format(pair[0]), |
| "{}".format(pair[0]), |
| "{}, {}".format(mtus[0], mtus[1]), |
| "{}".format(res1)]) |
| |
| # Do iperf3 measurement #2 |
| logger.info("Doing 'VM to VM in same tenant on different HW nodes " |
| "via Private IP, 1 thread' measurement...") |
| result2 = transport1.exec_command( |
| 'iperf3 -c {} -t {} | grep sender | tail -n 1'.format( |
| vm_info[2]['private_address'], iperf_time)) |
| res2 = (b" ".join(result2.split()[-4:-2:])).decode('utf-8') |
| logger.info("Result #2 is {}".format(res2)) |
| table_rows.append(['VM to VM in same tenant on different HW nodes ' |
| 'via Private IP, 1 thread; iperf3', |
| "{}".format(pair[0]), |
| "{}".format(pair[1]), |
| "{}, {}".format(mtus[0], mtus[2]), |
| "{}".format(res2)]) |
| |
| # Do iperf3 measurement #3 |
| logger.info("Doing 'VM to VM in same tenant on different HW nodes " |
| "via Private IP, {} threads' measurement..." |
| "".format(threads)) |
| if iperf_utility == "iperf3": |
| result3 = transport1.exec_command( |
| '{} -c {} -P {} -t {} | grep sender | tail -n 1' |
| ''.format(iperf_utility, vm_info[2]['private_address'], |
| threads, iperf_time)) |
| res3 = (b" ".join(result3.split()[-4:-2:])).decode('utf-8') |
| else: |
| iperf_utility = "iperf" |
| result3 = transport1.exec_command( |
| '{} -c {} -P {} -t {} | tail -n 1'.format(iperf_utility, |
| vm_info[2]['private_address'], threads, iperf_time)) |
| res3 = (b" ".join(result3.split()[-2::])).decode('utf-8') |
| logger.info("Result #3 is {}".format(res3)) |
| table_rows.append(['VM to VM in same tenant on different HW nodes ' |
| 'via Private IP, {} threads; {}' |
| ''.format(threads, iperf_utility), |
| "{}".format(pair[0]), |
| "{}".format(pair[1]), |
| "{}, {}".format(mtus[0], mtus[2]), |
| "{}".format(res3)]) |
| |
| # Do iperf (v2) measurement #4 |
| logger.info("Doing 'VM to VM in same tenant via Floating IP and VMs " |
| "are on different nodes, 1 thread' measurement...") |
| result4 = transport1.exec_command( |
| 'iperf3 -c {} -t {} | grep sender | tail -n 1'.format( |
| vm_info[2]['fip'], iperf_time)) |
| res4 = (b" ".join(result4.split()[-4:-2:])).decode('utf-8') |
| logger.info("Result #4 is {}".format(res4)) |
| table_rows.append(['VM to VM in same tenant via Floating IP and VMs ' |
| 'are on different nodes, 1 thread; iperf3', |
| "{}".format(pair[0]), |
| "{}".format(pair[1]), |
| "{}, {}".format(mtus[0], mtus[2]), |
| "{}".format(res4)]) |
| |
| # Do iperf3 measurement #5 |
| logger.info("Doing 'VM to VM in same tenant, different HW nodes and " |
| "each VM is connected to separate network which are " |
| " connected using Router via Private IP, 1 thread' " |
| "measurement...") |
| result5 = transport1.exec_command( |
| 'iperf3 -c {} -t {} | grep sender | tail -n 1'.format( |
| vm_info[3]['private_address'], iperf_time)) |
| res5 = (b" ".join(result5.split()[-4:-2:])).decode('utf-8') |
| logger.info("Result #5 is {}".format(res5)) |
| table_rows.append(['VM to VM in same tenant, different HW nodes and ' |
| 'each VM is connected to separate network which are' |
| ' connected using Router via Private IP, 1 thread; ' |
| 'iperf3', |
| "{}".format(pair[0]), |
| "{}".format(pair[1]), |
| "{}, {}".format(mtus[0], mtus[3]), |
| "{}".format(res5)]) |
| |
| logger.info("Drawing the table with iperf results...") |
| result_table.add_rows(table_rows) |
| sys.stdout.write('\n{}\n'.format(result_table.draw())) |
| |
| logger.info("Removing VMs and FIPs...") |
| for vm in vms: |
| openstack_clients.compute.servers.delete(vm) |
| logger.info("Removing FIPs...") |
| for fip in fips: |
| os_actions.delete_floating_ip(fip) |
| except Exception as e: |
| sys.stdout.write("\n{}".format(e)) |
| sys.stdout.write("\nSomething went wrong\n") |
| if 'vms' in locals(): |
| logger.info("Removing VMs...") |
| for vm in vms: |
| openstack_clients.compute.servers.delete(vm) |
| if 'fips' in locals(): |
| logger.info("Removing FIPs...") |
| for fip in fips: |
| os_actions.delete_floating_ip(fip) |
| else: |
| sys.stdout.write("\nSkipping cleaning, VMs were not created") |
| pytest.fail("Something went wrong") |