From 1738c931ab93816007b5434c17d46842e488424a Mon Sep 17 00:00:00 2001 From: Rodolfo Alonso Hernandez Date: Tue, 6 Feb 2018 10:34:33 +0000 Subject: Improve SampleVNF hugepages setup The goal of this function is to: - Read the default hugepage size. - Set 16GB of hugepages. - Check if the status of the last action. According to [1], the default hugepage size could be read in "/proc/meminfo", always in kB. Then "/proc/sys/vm/nr_hugepages" could be used to set the number of default hugepages. [1] https://www.kernel.org/doc/Documentation/vm/hugetlbpage.txt JIRA: YARDSTICK-997 Change-Id: I762d1b16294ba1c1c2feee56610819ac358c7410 Signed-off-by: Rodolfo Alonso Hernandez --- .../vnf_generic/vnf/test_sample_vnf.py | 57 ++++++++-------------- 1 file changed, 21 insertions(+), 36 deletions(-) (limited to 'tests') diff --git a/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py b/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py index af941c04f..1799353c4 100644 --- a/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py +++ b/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py @@ -15,14 +15,17 @@ # limitations under the License. # +from copy import deepcopy + import unittest import mock -from copy import deepcopy +import six from tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh from tests.unit import STL_MOCKS from yardstick.benchmark.contexts.base import Context from yardstick.common import exceptions as y_exceptions +from yardstick.common import utils from yardstick.network_services.nfvi.resource import ResourceProfile from yardstick.network_services.vnf_generic.vnf.base import VnfdHelper @@ -36,6 +39,7 @@ stl_patch = mock.patch.dict("sys.modules", STL_MOCKS) stl_patch.start() if stl_patch: + from yardstick.network_services.vnf_generic.vnf import sample_vnf from yardstick.network_services.vnf_generic.vnf.sample_vnf import VnfSshHelper from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNFDeployHelper from yardstick.network_services.vnf_generic.vnf.sample_vnf import ScenarioHelper @@ -528,41 +532,19 @@ class TestDpdkVnfSetupEnvHelper(unittest.TestCase): result = DpdkVnfSetupEnvHelper._update_traffic_type(ip_pipeline_cfg, traffic_options) self.assertEqual(result, expected) - def test__setup_hugepages(self): - vnfd_helper = VnfdHelper(self.VNFD_0) - ssh_helper = mock.Mock() - ssh_helper.execute.return_value = 0, '', '' - scenario_helper = mock.Mock() - dpdk_setup_helper = DpdkVnfSetupEnvHelper(vnfd_helper, ssh_helper, scenario_helper) - - result = dpdk_setup_helper._setup_hugepages() - expect_start_list = ['awk', 'awk', 'echo'] - expect_in_list = ['meminfo', 'nr_hugepages', '16'] - call_args_iter = (args[0][0] for args in ssh_helper.execute.call_args_list) - self.assertIsNone(result) - self.assertEqual(ssh_helper.execute.call_count, 3) - for expect_start, expect_in, arg0 in zip(expect_start_list, expect_in_list, - call_args_iter): - self.assertTrue(arg0.startswith(expect_start)) - self.assertIn(expect_in, arg0) - - def test__setup_hugepages_2_mb(self): - vnfd_helper = VnfdHelper(self.VNFD_0) + @mock.patch.object(six, 'BytesIO', return_value=six.BytesIO(b'100\n')) + @mock.patch.object(utils, 'read_meminfo', + return_value={'Hugepagesize': '2048'}) + def test__setup_hugepages(self, mock_meminfo, *args): ssh_helper = mock.Mock() - ssh_helper.execute.return_value = 0, '2048kB ', '' - scenario_helper = mock.Mock() - dpdk_setup_helper = DpdkVnfSetupEnvHelper(vnfd_helper, ssh_helper, scenario_helper) - - result = dpdk_setup_helper._setup_hugepages() - expect_start_list = ['awk', 'awk', 'echo'] - expect_in_list = ['meminfo', 'nr_hugepages', '8192'] - call_args_iter = (args[0][0] for args in ssh_helper.execute.call_args_list) - self.assertIsNone(result) - self.assertEqual(ssh_helper.execute.call_count, 3) - for expect_start, expect_in, arg0 in zip(expect_start_list, expect_in_list, - call_args_iter): - self.assertTrue(arg0.startswith(expect_start)) - self.assertIn(expect_in, arg0) + dpdk_setup_helper = DpdkVnfSetupEnvHelper( + mock.ANY, ssh_helper, mock.ANY) + with mock.patch.object(sample_vnf.LOG, 'info') as mock_info: + dpdk_setup_helper._setup_hugepages() + mock_info.assert_called_once_with( + 'Hugepages size (kB): %s, number claimed: %s, number set: ' + '%s', 2048, 8192, 100) + mock_meminfo.assert_called_once_with(ssh_helper) @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.open') @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.find_relative_file') @@ -622,7 +604,10 @@ class TestDpdkVnfSetupEnvHelper(unittest.TestCase): dpdk_vnf_setup_env_helper = DpdkVnfSetupEnvHelper(vnfd_helper, ssh_helper, mock.Mock()) dpdk_vnf_setup_env_helper._validate_cpu_cfg = mock.Mock(return_value=[]) - self.assertIsInstance(dpdk_vnf_setup_env_helper.setup_vnf_environment(), ResourceProfile) + with mock.patch.object(dpdk_vnf_setup_env_helper, '_setup_dpdk'): + self.assertIsInstance( + dpdk_vnf_setup_env_helper.setup_vnf_environment(), + ResourceProfile) def test__setup_dpdk_early_success(self): vnfd_helper = VnfdHelper(self.VNFD_0) -- cgit 1.2.3-korg