X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=functest%2Fopnfv_tests%2Fopenstack%2Fvping%2Fvping_ssh.py;h=1fd2d975f958d2baf12a067131465ac113725004;hb=036cb7d9075f7eee45e7533d8c37a5b89e6c6dd5;hp=21a4338847e76cb84d7972091783a726f1dc8c92;hpb=f1fbaabcc46dafe4b9937af600294f042cab31e0;p=functest.git diff --git a/functest/opnfv_tests/openstack/vping/vping_ssh.py b/functest/opnfv_tests/openstack/vping/vping_ssh.py index 21a433884..1fd2d975f 100644 --- a/functest/opnfv_tests/openstack/vping/vping_ssh.py +++ b/functest/opnfv_tests/openstack/vping/vping_ssh.py @@ -10,21 +10,12 @@ """vPingSSH testcase.""" import logging -import os -import tempfile -import time -import paramiko -import pkg_resources -from scp import SCPClient -from xtesting.core import testcase -from xtesting.energy import energy - -from functest.opnfv_tests.openstack.vping import vping_base +from functest.core import singlevm from functest.utils import config -class VPingSSH(vping_base.VPingBase): +class VPingSSH(singlevm.SingleVm2): """ VPingSSH testcase implementation. @@ -32,159 +23,35 @@ class VPingSSH(vping_base.VPingBase): to issue the ping command to the second """ + __logger = logging.getLogger(__name__) + def __init__(self, **kwargs): """Initialize testcase.""" if "case_name" not in kwargs: kwargs["case_name"] = "vping_ssh" super(VPingSSH, self).__init__(**kwargs) - self.logger = logging.getLogger(__name__) self.vm2 = None - self.sec = None - self.fip = None - self.keypair = None - self.ssh = paramiko.SSHClient() - (_, self.key_filename) = tempfile.mkstemp() - - @energy.enable_recording - def run(self, **kwargs): - """ - 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: - assert self.cloud - super(VPingSSH, self).run() - kp_name = getattr(config.CONF, 'vping_keypair_name') + self.guid - self.logger.info("Creating keypair with name: '%s'", kp_name) - self.keypair = self.cloud.create_keypair(kp_name) - self.logger.debug("keypair: %s", self.keypair) - self.logger.debug("private_key: %s", self.keypair.private_key) - with open(self.key_filename, 'w') as private_key_file: - private_key_file.write(self.keypair.private_key) + def prepare(self): + super(VPingSSH, self).prepare() + self.vm2 = self.boot_vm( + '{}-vm2_{}'.format(self.case_name, self.guid), + security_groups=[self.sec.id]) - self.sec = self.cloud.create_security_group( - getattr(config.CONF, 'vping_sg_name') + self.guid, - getattr(config.CONF, 'vping_sg_desc')) - self.cloud.create_security_group_rule( - self.sec.id, port_range_min='22', port_range_max='22', - protocol='tcp', direction='ingress') - self.cloud.create_security_group_rule( - self.sec.id, protocol='icmp', direction='ingress') - - vm2_name = "{}-{}-{}".format( - getattr(config.CONF, 'vping_vm_name_2'), "ssh", self.guid) - self.logger.info( - "Creating VM 2 instance with name: '%s'", vm2_name) - self.vm2 = self.cloud.create_server( - vm2_name, image=self.image.id, flavor=self.flavor.id, - key_name=self.keypair.id, - auto_ip=False, wait=True, - timeout=getattr(config.CONF, 'vping_vm_boot_timeout'), - network=self.network.id, - security_groups=[self.sec.id]) - self.logger.debug("vm2: %s", self.vm2) - self.fip = self.cloud.create_floating_ip( - network=self.ext_net.id, server=self.vm2) - self.logger.debug("floating_ip2: %s", self.fip) - self.vm2 = self.cloud.wait_for_server(self.vm2, auto_ip=False) - - return self._execute() - except Exception: # pylint: disable=broad-except - self.logger.exception('Unexpected error running vping_ssh') - return testcase.TestCase.EX_RUN_ERROR - - def _do_vping(self): - """ - Execute ping command. - - Override from super - """ - time.sleep(10) - self.ssh.set_missing_host_key_policy(paramiko.client.AutoAddPolicy()) - self.ssh.connect( - self.vm2.public_v4, - username=getattr(config.CONF, 'openstack_image_user'), - key_filename=self.key_filename, - timeout=getattr(config.CONF, 'vping_vm_ssh_connect_timeout')) - self.logger.debug("ssh: %s", self.ssh) - if not self._transfer_ping_script(): - return testcase.TestCase.EX_RUN_ERROR - return self._do_vping_ssh() + def execute(self): + """Ping the second VM - def _transfer_ping_script(self): + Returns: ping exit codes """ - 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(self.ssh.get_transport()) - ping_script = pkg_resources.resource_filename( - 'functest.opnfv_tests.openstack.vping', 'ping.sh') - try: - scp.put(ping_script, "~/") - except Exception: # pylint: disable=broad-except - self.logger.error("Cannot SCP the file '%s'", ping_script) - return False - - cmd = 'chmod 755 ~/ping.sh' - (_, stdout, _) = self.ssh.exec_command(cmd) - for line in stdout.readlines(): - print line - - return True - - def _do_vping_ssh(self): - """ - 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.TestCase.EX_TESTCASE_FAILED - self.logger.info("Waiting for ping...") - - sec = 0 - cmd = '~/ping.sh ' + self.vm1.private_v4 - flag = False - - while True: - time.sleep(1) - (_, stdout, _) = self.ssh.exec_command(cmd) - output = stdout.readlines() - - for line in output: - if "vPing OK" in line: - self.logger.info("vPing detected!") - exit_code = testcase.TestCase.EX_OK - flag = True - break - elif sec == getattr(config.CONF, 'vping_ping_timeout'): - self.logger.info("Timeout reached.") - flag = True - break - if flag: - break - log = "Pinging %s. Waiting for response..." % self.vm1.private_v4 - self.logger.debug(log) - sec += 1 - return exit_code + assert self.ssh + (_, stdout, _) = self.ssh.exec_command( + 'ping -c 1 ' + self.vm2.private_v4) + self.__logger.debug("output:\n%s", stdout.read()) + return stdout.channel.recv_exit_status() def clean(self): assert self.cloud - os.remove(self.key_filename) self.cloud.delete_server( self.vm2, wait=True, timeout=getattr(config.CONF, 'vping_vm_delete_timeout')) - self.cloud.delete_security_group(self.sec.id) - self.cloud.delete_keypair(self.keypair.id) - self.cloud.delete_floating_ip(self.fip.id) super(VPingSSH, self).clean()