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#!/usr/bin/env python
#
# Copyright (c) 2015 All rights reserved
# This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
#
# http://www.apache.org/licenses/LICENSE-2.0
import time
from snaps.config.network import PortConfig
from snaps.config.vm_inst import VmInstanceConfig
from snaps.openstack.utils import deploy_utils
from functest.core.testcase import TestCase
from functest.opnfv_tests.openstack.vping import vping_base
class VPingUserdata(vping_base.VPingBase):
"""
Class to execute the vPing test using userdata and the VM's console
"""
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs["case_name"] = "vping_userdata"
super(VPingUserdata, self).__init__(**kwargs)
def run(self):
"""
Sets up the OpenStack VM instance objects then executes the ping and
validates.
:return: the exit code from the super.execute() method
"""
try:
super(VPingUserdata, self).run()
# Creating Instance 1
port1_settings = PortConfig(
name=self.vm1_name + '-vPingPort',
network_name=self.network_creator.network_settings.name)
instance1_settings = VmInstanceConfig(
name=self.vm1_name,
flavor=self.flavor_name,
vm_boot_timeout=self.vm_boot_timeout,
port_settings=[port1_settings])
self.logger.info(
"Creating VM 1 instance with name: '%s'"
% instance1_settings.name)
self.vm1_creator = deploy_utils.create_vm_instance(
self.os_creds, instance1_settings,
self.image_creator.image_settings)
self.creators.append(self.vm1_creator)
userdata = _get_userdata(
self.vm1_creator.get_port_ip(port1_settings.name))
if userdata:
# Creating Instance 2
port2_settings = PortConfig(
name=self.vm2_name + '-vPingPort',
network_name=self.network_creator.network_settings.name)
instance2_settings = VmInstanceConfig(
name=self.vm2_name,
flavor=self.flavor_name,
vm_boot_timeout=self.vm_boot_timeout,
port_settings=[port2_settings],
userdata=userdata)
self.logger.info(
"Creating VM 2 instance with name: '%s'"
% instance2_settings.name)
self.vm2_creator = deploy_utils.create_vm_instance(
self.os_creds, instance2_settings,
self.image_creator.image_settings)
self.creators.append(self.vm2_creator)
else:
raise Exception('Userdata is None')
return self._execute()
finally:
self._cleanup()
def _do_vping(self, vm_creator, test_ip):
"""
Override from super
"""
self.logger.info("Waiting for ping...")
exit_code = TestCase.EX_TESTCASE_FAILED
sec = 0
tries = 0
while True:
time.sleep(1)
p_console = vm_creator.get_console_output()
if "vPing OK" in p_console:
self.logger.info("vPing detected!")
exit_code = TestCase.EX_OK
break
elif "failed to read iid from metadata" in p_console or tries > 5:
self.logger.info("Failed to read iid from metadata")
break
elif sec == self.ping_timeout:
self.logger.info("Timeout reached.")
break
elif sec % 10 == 0:
if "request failed" in p_console:
self.logger.debug(
"It seems userdata is not supported in nova boot. " +
"Waiting a bit...")
tries += 1
else:
self.logger.debug(
"Pinging %s. Waiting for response..." % test_ip)
sec += 1
return exit_code
def _get_userdata(test_ip):
"""
Returns the post VM creation script to be added into the VM's userdata
:param test_ip: the IP value to substitute into the script
:return: the bash script contents
"""
if test_ip:
return ("#!/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" % str(test_ip))
return None
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