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import os
import pprint
import re
import sys
import time
import paramiko
from scp import SCPClient
import functest.utils.functest_utils as ft_utils
import functest.utils.openstack_utils as os_utils
FUNCTEST_REPO = ft_utils.FUNCTEST_REPO
NAME_VM_1 = ft_utils.get_functest_config('vping.vm_name_1')
NAME_VM_2 = ft_utils.get_functest_config('vping.vm_name_2')
VM_BOOT_TIMEOUT = 180
VM_DELETE_TIMEOUT = 100
PING_TIMEOUT = ft_utils.get_functest_config('vping.ping_timeout')
GLANCE_IMAGE_NAME = ft_utils.get_functest_config('vping.image_name')
GLANCE_IMAGE_FILENAME = \
ft_utils.get_functest_config('general.openstack.image_file_name')
GLANCE_IMAGE_FORMAT = \
ft_utils.get_functest_config('general.openstack.image_disk_format')
GLANCE_IMAGE_PATH = \
ft_utils.get_functest_config('general.directories.dir_functest_data') + \
"/" + GLANCE_IMAGE_FILENAME
FLAVOR = ft_utils.get_functest_config('vping.vm_flavor')
# NEUTRON Private Network parameters
PRIVATE_NET_NAME = \
ft_utils.get_functest_config('vping.vping_private_net_name')
PRIVATE_SUBNET_NAME = \
ft_utils.get_functest_config('vping.vping_private_subnet_name')
PRIVATE_SUBNET_CIDR = \
ft_utils.get_functest_config('vping.vping_private_subnet_cidr')
ROUTER_NAME = ft_utils.get_functest_config('vping.vping_router_name')
SECGROUP_NAME = ft_utils.get_functest_config('vping.vping_sg_name')
SECGROUP_DESCR = ft_utils.get_functest_config('vping.vping_sg_descr')
neutron_client = None
glance_client = None
nova_client = None
logger = None
pp = pprint.PrettyPrinter(indent=4)
def pMsg(value):
"""pretty printing"""
pp.pprint(value)
def check_repo_exist():
if not os.path.exists(FUNCTEST_REPO):
logger.error("Functest repository not found '%s'" % FUNCTEST_REPO)
exit(-1)
def get_vmname_1():
return NAME_VM_1
def get_vmname_2():
return NAME_VM_2
def init(vping_logger):
global nova_client
nova_client = os_utils.get_nova_client()
global neutron_client
neutron_client = os_utils.get_neutron_client()
global glance_client
glance_client = os_utils.get_glance_client()
global logger
logger = vping_logger
def waitVmActive(nova, vm):
# sleep and wait for VM status change
sleep_time = 3
count = VM_BOOT_TIMEOUT / sleep_time
while True:
status = os_utils.get_instance_status(nova, vm)
logger.debug("Status: %s" % status)
if status == "ACTIVE":
return True
if status == "ERROR" or status == "error":
return False
if count == 0:
logger.debug("Booting a VM timed out...")
return False
count -= 1
time.sleep(sleep_time)
return False
def create_security_group():
sg_id = os_utils.get_security_group_id(neutron_client,
SECGROUP_NAME)
if sg_id != '':
logger.info("Using existing security group '%s'..." % SECGROUP_NAME)
else:
logger.info("Creating security group '%s'..." % SECGROUP_NAME)
SECGROUP = os_utils.create_security_group(neutron_client,
SECGROUP_NAME,
SECGROUP_DESCR)
if not SECGROUP:
logger.error("Failed to create the security group...")
return False
sg_id = SECGROUP['id']
logger.debug("Security group '%s' with ID=%s created successfully."
% (SECGROUP['name'], sg_id))
logger.debug("Adding ICMP rules in security group '%s'..."
% SECGROUP_NAME)
if not os_utils.create_secgroup_rule(neutron_client, sg_id,
'ingress', 'icmp'):
logger.error("Failed to create the security group rule...")
return False
logger.debug("Adding SSH rules in security group '%s'..."
% SECGROUP_NAME)
if not os_utils.create_secgroup_rule(neutron_client, sg_id,
'ingress', 'tcp',
'22', '22'):
logger.error("Failed to create the security group rule...")
return False
if not os_utils.create_secgroup_rule(
neutron_client, sg_id, 'egress', 'tcp', '22', '22'):
logger.error("Failed to create the security group rule...")
return False
return sg_id
def create_image():
_, image_id = os_utils.get_or_create_image(GLANCE_IMAGE_NAME,
GLANCE_IMAGE_PATH,
GLANCE_IMAGE_FORMAT)
if not image_id:
exit(-1)
return image_id
def get_flavor():
EXIT_CODE = -1
# Check if the given flavor exists
try:
flavor = nova_client.flavors.find(name=FLAVOR)
logger.info("Using existing Flavor '%s'..." % FLAVOR)
return flavor
except:
logger.error("Flavor '%s' not found." % FLAVOR)
logger.info("Available flavors are: ")
pMsg(nova_client.flavor.list())
exit(EXIT_CODE)
def create_network_full():
EXIT_CODE = -1
network_dic = os_utils.create_network_full(neutron_client,
PRIVATE_NET_NAME,
PRIVATE_SUBNET_NAME,
ROUTER_NAME,
PRIVATE_SUBNET_CIDR)
if not network_dic:
logger.error(
"There has been a problem when creating the neutron network")
exit(EXIT_CODE)
network_id = network_dic["net_id"]
return network_id
def delete_exist_vms():
servers = nova_client.servers.list()
for server in servers:
if server.name == NAME_VM_1 or server.name == NAME_VM_2:
logger.info("Instance %s found. Deleting..." % server.name)
server.delete()
def is_userdata(case):
return case == 'vping_userdata'
def is_ssh(case):
return case == 'vping_ssh'
def boot_vm(case, name, image_id, flavor, network_id, test_ip, sg_id):
EXIT_CODE = -1
config = dict()
config['name'] = name
config['flavor'] = flavor
config['image'] = image_id
config['nics'] = [{"net-id": network_id}]
if is_userdata(case):
config['config_drive'] = True
if name == NAME_VM_2:
u = ("#!/bin/sh\n\n"
"while true; do\n"
" ping -c 1 %s 2>&1 >/dev/null\n"
" RES=$?\n"
" if [ \"Z$RES\" = \"Z0\" ] ; then\n"
" echo 'vPing OK'\n"
" break\n"
" else\n"
" echo 'vPing KO'\n"
" fi\n"
" sleep 1\n"
"done\n" % test_ip)
config['userdata'] = u
logger.info("Creating instance '%s'..." % name)
logger.debug("Configuration: %s" % config)
vm = nova_client.servers.create(**config)
# wait until VM status is active
if not waitVmActive(nova_client, vm):
logger.error("Instance '%s' cannot be booted. Status is '%s'" % (
name, os_utils.get_instance_status(nova_client, vm)))
exit(EXIT_CODE)
else:
logger.info("Instance '%s' is ACTIVE." % name)
add_secgroup(name, vm.id, sg_id)
return vm
def get_test_ip(vm):
test_ip = vm.networks.get(PRIVATE_NET_NAME)[0]
logger.debug("Instance '%s' got %s" % (vm.name, test_ip))
return test_ip
def add_secgroup(vmname, vm_id, sg_id):
logger.info("Adding '%s' to security group '%s'..." %
(vmname, SECGROUP_NAME))
os_utils.add_secgroup_to_instance(nova_client, vm_id, sg_id)
def add_float_ip(vm):
EXIT_CODE = -1
logger.info("Creating floating IP for VM '%s'..." % NAME_VM_2)
floatip_dic = os_utils.create_floating_ip(neutron_client)
floatip = floatip_dic['fip_addr']
if floatip is None:
logger.error("Cannot create floating IP.")
exit(EXIT_CODE)
logger.info("Floating IP created: '%s'" % floatip)
logger.info("Associating floating ip: '%s' to VM '%s' "
% (floatip, NAME_VM_2))
if not os_utils.add_floating_ip(nova_client, vm.id, floatip):
logger.error("Cannot associate floating IP to VM.")
exit(EXIT_CODE)
return floatip
def establish_ssh(vm, floatip):
EXIT_CODE = -1
logger.info("Trying to establish SSH connection to %s..." % floatip)
username = 'cirros'
password = 'cubswin:)'
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
timeout = 50
nolease = False
got_ip = False
discover_count = 0
cidr_first_octet = PRIVATE_SUBNET_CIDR.split('.')[0]
while timeout > 0:
try:
ssh.connect(floatip, username=username,
password=password, timeout=2)
logger.debug("SSH connection established to %s." % floatip)
break
except:
logger.debug("Waiting for %s..." % floatip)
time.sleep(6)
timeout -= 1
console_log = vm.get_console_output()
# print each "Sending discover" captured on the console log
if (len(re.findall("Sending discover", console_log)) >
discover_count and not got_ip):
discover_count += 1
logger.debug("Console-log '%s': Sending discover..."
% NAME_VM_2)
# check if eth0 got an ip,the line looks like this:
# "inet addr:192.168."....
# if the dhcp agent fails to assing ip, this line will not appear
if "inet addr:" + cidr_first_octet in console_log and not got_ip:
got_ip = True
logger.debug("The instance '%s' succeeded to get the IP "
"from the dhcp agent." % NAME_VM_2)
# if dhcp doesnt work,it shows "No lease, failing".The test will fail
if "No lease, failing" in console_log and not nolease and not got_ip:
nolease = True
logger.debug("Console-log '%s': No lease, failing..."
% NAME_VM_2)
logger.info("The instance failed to get an IP from the "
"DHCP agent. The test will probably timeout...")
if timeout == 0: # 300 sec timeout (5 min)
logger.error("Cannot establish connection to IP '%s'. Aborting"
% floatip)
exit(EXIT_CODE)
return ssh
def transfer_ping_script(ssh, floatip):
EXIT_CODE = -1
logger.info("Trying to transfer ping.sh to %s..." % floatip)
scp = SCPClient(ssh.get_transport())
ping_script = FUNCTEST_REPO + "/testcases/OpenStack/vPing/ping.sh"
try:
scp.put(ping_script, "~/")
except:
logger.error("Cannot SCP the file '%s' to VM '%s'"
% (ping_script, floatip))
exit(EXIT_CODE)
cmd = 'chmod 755 ~/ping.sh'
(stdin, stdout, stderr) = ssh.exec_command(cmd)
for line in stdout.readlines():
print line
def do_vping_ssh(ssh, test_ip):
logger.info("Waiting for ping...")
sec = 0
cmd = '~/ping.sh ' + test_ip
flag = False
while True:
time.sleep(1)
(stdin, stdout, stderr) = ssh.exec_command(cmd)
output = stdout.readlines()
for line in output:
if "vPing OK" in line:
logger.info("vPing detected!")
EXIT_CODE = 0
flag = True
break
elif sec == PING_TIMEOUT:
logger.info("Timeout reached.")
flag = True
break
if flag:
break
logger.debug("Pinging %s. Waiting for response..." % test_ip)
sec += 1
return EXIT_CODE, time.time()
def do_vping_userdata(vm, test_ip):
logger.info("Waiting for ping...")
EXIT_CODE = -1
sec = 0
metadata_tries = 0
while True:
time.sleep(1)
console_log = vm.get_console_output()
if "vPing OK" in console_log:
logger.info("vPing detected!")
EXIT_CODE = 0
break
elif ("failed to read iid from metadata" in console_log or
metadata_tries > 5):
EXIT_CODE = -2
break
elif sec == PING_TIMEOUT:
logger.info("Timeout reached.")
break
elif sec % 10 == 0:
if "request failed" in console_log:
logger.debug("It seems userdata is not supported in "
"nova boot. Waiting a bit...")
metadata_tries += 1
else:
logger.debug("Pinging %s. Waiting for response..." % test_ip)
sec += 1
return EXIT_CODE, time.time()
def do_vping(case, vm, test_ip):
if is_userdata(case):
return do_vping_userdata(vm, test_ip)
else:
floatip = add_float_ip(vm)
ssh = establish_ssh(vm, floatip)
transfer_ping_script(ssh, floatip)
return do_vping_ssh(ssh, test_ip)
def check_result(code, start_time, stop_time):
test_status = "FAIL"
if code == 0:
logger.info("vPing OK")
duration = round(stop_time - start_time, 1)
logger.info("vPing duration:'%s'" % duration)
test_status = "PASS"
elif code == -2:
duration = 0
logger.info("Userdata is not supported in nova boot. Aborting test...")
else:
duration = 0
logger.error("vPing FAILED")
details = {'timestart': start_time,
'duration': duration,
'status': test_status}
return details
def push_result(report, case, start_time, stop_time, details):
if report:
try:
logger.debug("Pushing vPing %s results into DB..." % case)
ft_utils.push_results_to_db('functest',
case,
start_time,
stop_time,
details['status'],
details=details)
except:
logger.error("Error pushing results into Database '%s'"
% sys.exc_info()[0])
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