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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
"""vPingSSH testcase."""
# This 1st import is here simply for pep8 as the 'os' package import appears
# to be required for mock and the unit tests will fail without it
import os # noqa # pylint: disable=unused-import
import time
from scp import SCPClient
import pkg_resources
from functest.core.testcase import TestCase
from functest.energy import energy
from functest.opnfv_tests.openstack.snaps import snaps_utils
from functest.opnfv_tests.openstack.vping import vping_base
from functest.utils.constants import CONST
from snaps.openstack.create_instance import FloatingIpSettings, \
VmInstanceSettings
from snaps.openstack.create_keypairs import KeypairSettings
from snaps.openstack.create_network import PortSettings
from snaps.openstack.create_router import RouterSettings
from snaps.openstack.create_security_group import Direction, Protocol, \
SecurityGroupSettings, SecurityGroupRuleSettings
from snaps.openstack.utils import deploy_utils
class VPingSSH(vping_base.VPingBase):
"""
VPingSSH testcase implementation.
Class to execute the vPing test using a Floating IP to connect to one VM
to issue the ping command to the second
"""
def __init__(self, **kwargs):
"""Initialize testcase."""
if "case_name" not in kwargs:
kwargs["case_name"] = "vping_ssh"
super(VPingSSH, self).__init__(**kwargs)
self.kp_name = CONST.__getattribute__('vping_keypair_name') + self.guid
self.kp_priv_file = CONST.__getattribute__('vping_keypair_priv_file')
self.kp_pub_file = CONST.__getattribute__('vping_keypair_pub_file')
self.router_name = CONST.__getattribute__(
'vping_router_name') + self.guid
self.sg_name = CONST.__getattribute__('vping_sg_name') + self.guid
self.sg_desc = CONST.__getattribute__('vping_sg_desc')
@energy.enable_recording
def run(self):
"""
Excecute VPingSSH testcase.
Sets up the OpenStack keypair, router, security group, and VM instance
objects then validates the ping.
:return: the exit code from the super.execute() method
"""
try:
super(VPingSSH, self).run()
log = "Creating keypair with name: '%s'" % self.kp_name
self.logger.info(log)
kp_creator = deploy_utils.create_keypair(
self.os_creds,
KeypairSettings(name=self.kp_name,
private_filepath=self.kp_priv_file,
public_filepath=self.kp_pub_file))
self.creators.append(kp_creator)
# Creating router to external network
log = "Creating router with name: '%s'" % self.router_name
self.logger.info(log)
net_set = self.network_creator.network_settings
sub_set = [net_set.subnet_settings[0].name]
ext_net_name = snaps_utils.get_ext_net_name(self.os_creds)
router_creator = deploy_utils.create_router(
self.os_creds,
RouterSettings(
name=self.router_name,
external_gateway=ext_net_name,
internal_subnets=sub_set))
self.creators.append(router_creator)
# Creating Instance 1
port1_settings = PortSettings(
name=self.vm1_name + '-vPingPort',
network_name=self.network_creator.network_settings.name)
instance1_settings = VmInstanceSettings(
name=self.vm1_name, flavor=self.flavor_name,
vm_boot_timeout=self.vm_boot_timeout,
vm_delete_timeout=self.vm_delete_timeout,
ssh_connect_timeout=self.vm_ssh_connect_timeout,
port_settings=[port1_settings])
log = ("Creating VM 1 instance with name: '%s'"
% instance1_settings.name)
self.logger.info(log)
self.vm1_creator = deploy_utils.create_vm_instance(
self.os_creds,
instance1_settings,
self.image_creator.image_settings,
keypair_creator=kp_creator)
self.creators.append(self.vm1_creator)
# Creating Instance 2
sg_creator = self.__create_security_group()
self.creators.append(sg_creator)
port2_settings = PortSettings(
name=self.vm2_name + '-vPingPort',
network_name=self.network_creator.network_settings.name)
instance2_settings = VmInstanceSettings(
name=self.vm2_name, flavor=self.flavor_name,
vm_boot_timeout=self.vm_boot_timeout,
vm_delete_timeout=self.vm_delete_timeout,
ssh_connect_timeout=self.vm_ssh_connect_timeout,
port_settings=[port2_settings],
security_group_names=[sg_creator.sec_grp_settings.name],
floating_ip_settings=[FloatingIpSettings(
name=self.vm2_name + '-FIPName',
port_name=port2_settings.name,
router_name=router_creator.router_settings.name)])
log = ("Creating VM 2 instance with name: '%s'"
% instance2_settings.name)
self.logger.info(log)
self.vm2_creator = deploy_utils.create_vm_instance(
self.os_creds,
instance2_settings,
self.image_creator.image_settings,
keypair_creator=kp_creator)
self.creators.append(self.vm2_creator)
return self._execute()
except Exception as exc: # pylint: disable=broad-except
self.logger.error('Unexpected error running test - ' + exc.message)
return TestCase.EX_RUN_ERROR
finally:
self._cleanup()
def _do_vping(self, vm_creator, test_ip):
"""
Execute ping command.
Override from super
"""
if vm_creator.vm_ssh_active(block=True):
ssh = vm_creator.ssh_client()
if not self._transfer_ping_script(ssh):
return TestCase.EX_RUN_ERROR
return self._do_vping_ssh(ssh, test_ip)
else:
return TestCase.EX_RUN_ERROR
def _transfer_ping_script(self, ssh):
"""
Transfert vping script to VM.
Uses SCP to copy the ping script via the SSH client
:param ssh: the SSH client
:return:
"""
self.logger.info("Trying to transfer ping.sh")
scp = SCPClient(ssh.get_transport())
ping_script = pkg_resources.resource_filename(
'functest.opnfv_tests.openstack.vping', 'ping.sh')
try:
scp.put(ping_script, "~/")
except Exception:
self.logger.error("Cannot SCP the file '%s'", ping_script)
return False
cmd = 'chmod 755 ~/ping.sh'
# pylint: disable=unused-variable
(stdin, stdout, stderr) = ssh.exec_command(cmd)
for line in stdout.readlines():
print line
return True
def _do_vping_ssh(self, ssh, test_ip):
"""
Execute ping command via SSH.
Pings the test_ip via the SSH client
:param ssh: the SSH client used to issue the ping command
:param test_ip: the IP for the ping command to use
:return: exit_code (int)
"""
exit_code = TestCase.EX_TESTCASE_FAILED
self.logger.info("Waiting for ping...")
sec = 0
cmd = '~/ping.sh ' + test_ip
flag = False
while True:
time.sleep(1)
(_, stdout, _) = ssh.exec_command(cmd)
output = stdout.readlines()
for line in output:
if "vPing OK" in line:
self.logger.info("vPing detected!")
exit_code = TestCase.EX_OK
flag = True
break
elif sec == self.ping_timeout:
self.logger.info("Timeout reached.")
flag = True
break
if flag:
break
log = "Pinging %s. Waiting for response..." % test_ip
self.logger.debug(log)
sec += 1
return exit_code
def __create_security_group(self):
"""
Configure OpenStack security groups.
Configures and deploys an OpenStack security group object
:return: the creator object
"""
sg_rules = list()
sg_rules.append(
SecurityGroupRuleSettings(sec_grp_name=self.sg_name,
direction=Direction.ingress,
protocol=Protocol.icmp))
sg_rules.append(
SecurityGroupRuleSettings(sec_grp_name=self.sg_name,
direction=Direction.ingress,
protocol=Protocol.tcp, port_range_min=22,
port_range_max=22))
sg_rules.append(
SecurityGroupRuleSettings(sec_grp_name=self.sg_name,
direction=Direction.egress,
protocol=Protocol.tcp, port_range_min=22,
port_range_max=22))
log = "Security group with name: '%s'" % self.sg_name
self.logger.info(log)
return deploy_utils.create_security_group(self.os_creds,
SecurityGroupSettings(
name=self.sg_name,
description=self.sg_desc,
rule_settings=sg_rules))
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