diff options
5 files changed, 94 insertions, 1 deletions
diff --git a/yardstick/network_services/vnf_generic/vnf/acl_vnf.py b/yardstick/network_services/vnf_generic/vnf/acl_vnf.py index e51d38748..46380e216 100644 --- a/yardstick/network_services/vnf_generic/vnf/acl_vnf.py +++ b/yardstick/network_services/vnf_generic/vnf/acl_vnf.py @@ -251,3 +251,7 @@ class AclApproxVnf(SampleVNF): setup_env_helper_type = AclApproxSetupEnvSetupEnvHelper super(AclApproxVnf, self).__init__(name, vnfd, setup_env_helper_type, resource_helper_type) + + def wait_for_instantiate(self): + """Wait for VNF to initialize""" + self.wait_for_initialize() diff --git a/yardstick/network_services/vnf_generic/vnf/cgnapt_vnf.py b/yardstick/network_services/vnf_generic/vnf/cgnapt_vnf.py index bfe628f09..62e15094a 100644 --- a/yardstick/network_services/vnf_generic/vnf/cgnapt_vnf.py +++ b/yardstick/network_services/vnf_generic/vnf/cgnapt_vnf.py @@ -120,3 +120,7 @@ class CgnaptApproxVnf(SampleVNF): self.vnf_execute(cmd) time.sleep(WAIT_FOR_STATIC_NAPT) + + def wait_for_instantiate(self): + """Wait for VNF to initialize""" + self.wait_for_initialize() diff --git a/yardstick/network_services/vnf_generic/vnf/sample_vnf.py b/yardstick/network_services/vnf_generic/vnf/sample_vnf.py index 6c2e940d1..6ae393bc4 100644 --- a/yardstick/network_services/vnf_generic/vnf/sample_vnf.py +++ b/yardstick/network_services/vnf_generic/vnf/sample_vnf.py @@ -1,4 +1,4 @@ -# Copyright (c) 2016-2018 Intel Corporation +# Copyright (c) 2016-2019 Intel Corporation # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -764,6 +764,53 @@ class SampleVNF(GenericVNF): # by other VNF output self.q_in.put('\r\n') + def wait_for_initialize(self): + buf = [] + vnf_prompt_found = False + prompt_command = '\r\n' + script_name = 'non_existent_script_name' + done_string = 'Cannot open file "{}"'.format(script_name) + time.sleep(self.WAIT_TIME) # Give some time for config to load + while True: + if not self._vnf_process.is_alive(): + raise RuntimeError("%s VNF process died." % self.APP_NAME) + while self.q_out.qsize() > 0: + buf.append(self.q_out.get()) + message = ''.join(buf) + + if self.VNF_PROMPT in message and not vnf_prompt_found: + # Once we got VNF promt, it doesn't mean that the VNF is + # up and running/initialized completely. But we can run + # addition (any) VNF command and wait for it to complete + # as it will be finished ONLY at the end of the VNF + # initialization. So, this approach can be used to + # indentify that VNF is completely initialized. + LOG.info("Got %s VNF prompt.", self.APP_NAME) + prompt_command = "run {}\r\n".format(script_name) + self.q_in.put(prompt_command) + # Cut the buffer since we are not interesting to find + # the VNF prompt anymore + prompt_pos = message.find(self.VNF_PROMPT) + buf = [message[prompt_pos + len(self.VNF_PROMPT):]] + vnf_prompt_found = True + continue + + if done_string in message: + LOG.info("%s VNF is up and running.", self.APP_NAME) + self._vnf_up_post() + self.queue_wrapper.clear() + return self._vnf_process.exitcode + + if "PANIC" in message: + raise RuntimeError("Error starting %s VNF." % + self.APP_NAME) + + LOG.info("Waiting for %s VNF to start.. ", self.APP_NAME) + time.sleep(self.WAIT_TIME_FOR_SCRIPT) + # Send command again to display the expected prompt in case the + # expected text was corrupted by other VNF output + self.q_in.put(prompt_command) + def start_collect(self): self.resource_helper.start_collect() diff --git a/yardstick/network_services/vnf_generic/vnf/vfw_vnf.py b/yardstick/network_services/vnf_generic/vnf/vfw_vnf.py index 432f30a0c..572243194 100644 --- a/yardstick/network_services/vnf_generic/vnf/vfw_vnf.py +++ b/yardstick/network_services/vnf_generic/vnf/vfw_vnf.py @@ -57,3 +57,7 @@ class FWApproxVnf(SampleVNF): setup_env_helper_type = FWApproxSetupEnvHelper super(FWApproxVnf, self).__init__(name, vnfd, setup_env_helper_type, resource_helper_type) + + def wait_for_instantiate(self): + """Wait for VNF to initialize""" + self.wait_for_initialize() diff --git a/yardstick/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py index 405eeceb7..5dae5cdb1 100644 --- a/yardstick/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py +++ b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py @@ -16,6 +16,7 @@ from copy import deepcopy import unittest import mock +import time import paramiko @@ -1627,6 +1628,39 @@ class TestSampleVnf(unittest.TestCase): self.assertEqual(sample_vnf.wait_for_instantiate(), 0) + @mock.patch.object(time, 'sleep') + @mock.patch.object(ssh, 'SSH') + def test_wait_for_initialize(self, ssh, *args): + test_base.mock_ssh(ssh, exec_result=(1, "", "")) + queue_get_list = [ + 'some output', + 'pipeline> ', + 'run non_existent_script_name', + 'Cannot open file "non_existent_script_name"' + ] + queue_size_list = [ + 0, + len(queue_get_list[0]), + 0, + len(queue_get_list[1]), + len(queue_get_list[2]), + 0, + len(queue_get_list[3]) + ] + vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] + sample_vnf = SampleVNF('vnf1', vnfd) + sample_vnf.APP_NAME = 'sample1' + sample_vnf.WAIT_TIME_FOR_SCRIPT = 0 + sample_vnf._vnf_process = mock.Mock() + sample_vnf._vnf_process.exitcode = 0 + sample_vnf._vnf_process._is_alive.return_value = 1 + sample_vnf.queue_wrapper = mock.Mock() + sample_vnf.q_in = mock.Mock() + sample_vnf.q_out = mock.Mock() + sample_vnf.q_out.qsize.side_effect = iter(queue_size_list) + sample_vnf.q_out.get.side_effect = iter(queue_get_list) + sample_vnf.wait_for_initialize() + @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time") def test_vnf_execute_with_queue_data(self, *args): queue_size_list = [ |