X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=lttng_ivc%2Ftests%2Fust_python_agent_vs_tools%2Ftest_ust_python_agent_vs_tools.py;fp=lttng_ivc%2Ftests%2Fust_python_agent_vs_tools%2Ftest_ust_python_agent_vs_tools.py;h=a39c00953a39ed46eca5ab62415eca6585321de7;hb=2094d6728ae830f68895da418315d6523a9815f8;hp=0000000000000000000000000000000000000000;hpb=d96b684ba6d78ca3dfb19ff90e38ba1f3b78c9a1;p=deliverable%2Flttng-ivc.git diff --git a/lttng_ivc/tests/ust_python_agent_vs_tools/test_ust_python_agent_vs_tools.py b/lttng_ivc/tests/ust_python_agent_vs_tools/test_ust_python_agent_vs_tools.py new file mode 100644 index 0000000..a39c009 --- /dev/null +++ b/lttng_ivc/tests/ust_python_agent_vs_tools/test_ust_python_agent_vs_tools.py @@ -0,0 +1,213 @@ +import pytest +import os +import shutil +import signal +import subprocess + +import lttng_ivc.utils.ProjectFactory as ProjectFactory +import lttng_ivc.utils.utils as utils +import lttng_ivc.utils.runtime as Run +import lttng_ivc.settings as Settings + +""" + +FC: Fully Compatible +BC: Feature of the smallest version number will works. +TU: Tracing unavailable + +Note: actual testing is limited by lttng-ust and lttng-tools abi/api. + ++----------------------------------------------------------------------------------+ +| LTTng UST Python agent protocol vs LTTng session daemon | ++--------------------------+------------+------------+------------+----------------+ +| LTTng UST Java/ LTTng Tools | 2.7 (1.0) | 2.8 (2.0) | 2.9 (2.0) | 2.10 (2.0) | ++--------------------------+------------+------------+------------+----------------+ +| 2.7 | NA | NA | NA | NA | +| 2.8 (2.0) | TU | FC | BC | BC | +| 2.9 (2.0) | TU | BC | FC | BC | +| 2.10 (2.0) | TU | BC | BC | FC | ++--------------------------+------------+------------+------------+----------------+ + +""" + +""" +First tuple member: lttng-ust label +Second tuple member: lttng-tool label +Thirdd tuple member: expected scenario +""" + +test_matrix_tracing_available = [ + ("lttng-ust-2.7", "lttng-tools-2.7", True), + ("lttng-ust-2.7", "lttng-tools-2.8", False), + ("lttng-ust-2.7", "lttng-tools-2.9", False), + ("lttng-ust-2.7", "lttng-tools-2.10", False), + ("lttng-ust-2.8", "lttng-tools-2.7", False), + ("lttng-ust-2.8", "lttng-tools-2.8", True), + ("lttng-ust-2.8", "lttng-tools-2.9", False), + ("lttng-ust-2.8", "lttng-tools-2.10", False), + ("lttng-ust-2.9", "lttng-tools-2.7", False), + ("lttng-ust-2.9", "lttng-tools-2.8", False), + ("lttng-ust-2.9", "lttng-tools-2.9", True), + ("lttng-ust-2.9", "lttng-tools-2.10", True), + ("lttng-ust-2.10", "lttng-tools-2.7", False), + ("lttng-ust-2.10", "lttng-tools-2.8", False), + ("lttng-ust-2.10", "lttng-tools-2.9", True), + ("lttng-ust-2.10", "lttng-tools-2.10", True), +] + +test_matrix_agent_interface = [ + ("lttng-ust-2.7", "lttng-tools-2.7", "Success"), + ("lttng-ust-2.7", "lttng-tools-2.8", "Unsupported protocol"), + ("lttng-ust-2.7", "lttng-tools-2.9", "Unsupported protocol"), + ("lttng-ust-2.7", "lttng-tools-2.10", "Unsupported protocol"), + ("lttng-ust-2.8", "lttng-tools-2.7", "Unsupported protocol"), + ("lttng-ust-2.8", "lttng-tools-2.8", "Success"), + ("lttng-ust-2.8", "lttng-tools-2.9", "Success"), + ("lttng-ust-2.8", "lttng-tools-2.10", "Success"), + ("lttng-ust-2.9", "lttng-tools-2.7", "Unsupported protocol"), + ("lttng-ust-2.9", "lttng-tools-2.8", "Success"), + ("lttng-ust-2.9", "lttng-tools-2.9", "Success"), + ("lttng-ust-2.9", "lttng-tools-2.10", "Success"), + ("lttng-ust-2.10", "lttng-tools-2.7", "Unsupported protocol"), + ("lttng-ust-2.10", "lttng-tools-2.8", "Success"), + ("lttng-ust-2.10", "lttng-tools-2.9", "Success"), + ("lttng-ust-2.10", "lttng-tools-2.10", "Success"), +] + +runtime_matrix_tracing_available = [] +runtime_matrix_agent_interface = [] + +if not Settings.test_only: + runtime_matrix_tracing_available = test_matrix_tracing_available + runtime_matrix_agent_interface = test_matrix_agent_interface +else: + for tup in test_matrix_tracing_available: + if (tup[0] in Settings.test_only or tup[1] in + Settings.test_only): + runtime_matrix_tracing_available.append(tup) + for tup in test_matrix_agent_interface: + if (tup[0] in Settings.test_only or tup[1] in + Settings.test_only): + runtime_matrix_agent_interface.append(tup) + + +@pytest.mark.parametrize("ust_label,tools_label,should_trace", runtime_matrix_tracing_available) +def test_ust_python_agent_tracing_available(tmpdir, ust_label, tools_label, should_trace): + + nb_iter = 100 + nb_events = 5 * nb_iter + + # Prepare environment + ust = ProjectFactory.get_precook(ust_label) + tools = ProjectFactory.get_precook(tools_label) + babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace) + + tools_runtime_path = os.path.join(str(tmpdir), "tools") + ust_runtime_path = os.path.join(str(tmpdir), "ust") + app_path = os.path.join(str(tmpdir), "app") + + with Run.get_runtime(ust_runtime_path) as runtime_app, Run.get_runtime(tools_runtime_path) as runtime_tools: + runtime_tools.add_project(tools) + runtime_tools.add_project(babeltrace) + + runtime_app.add_project(ust) + runtime_app.lttng_home = runtime_tools.lttng_home + + trace_path = os.path.join(runtime_tools.lttng_home, 'trace') + + # Copy the python app + shutil.copytree(Settings.apps_python, app_path) + + # Start lttng-sessiond + sessiond = utils.sessiond_spawn(runtime_tools) + + # Create session using mi to get path and session name + runtime_tools.run('lttng create trace --output={}'.format(trace_path)) + + runtime_tools.run('lttng enable-event -p pello') + runtime_tools.run('lttng start') + + # Run application + cmd = 'python app.py -i {}'.format(nb_iter) + runtime_app.run(cmd, cwd=app_path) + + # Stop tracing + runtime_tools.run('lttng destroy -a') + cp = runtime_tools.subprocess_terminate(sessiond) + if cp.returncode != 0: + pytest.fail("Sessiond return code") + + # Read trace with babeltrace and check for event count via number of line + cmd = 'babeltrace {}'.format(trace_path) + if should_trace: + cp_process, cp_out, cp_err = runtime_tools.run(cmd) + assert(utils.line_count(cp_out) == nb_events) + else: + with pytest.raises(subprocess.CalledProcessError): + cp_process, cp_out, cp_err = runtime_tools.run(cmd) + +@pytest.mark.parametrize("ust_label,tools_label,outcome", runtime_matrix_agent_interface) +def test_ust_python_agent_interface(tmpdir, ust_label, tools_label, outcome): + """ + Use the agent coming from ust_label, but run app under tools_version runtime using ust agent. + """ + + nb_iter = 100 + nb_events = 5 * nb_iter + + # Prepare environment + ust = ProjectFactory.get_precook(ust_label) + tools = ProjectFactory.get_precook(tools_label) + babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace) + + tools_runtime_path = os.path.join(str(tmpdir), "tools") + ust_runtime_path = os.path.join(str(tmpdir), "ust") + app_path = os.path.join(str(tmpdir), "app") + + with Run.get_runtime(ust_runtime_path) as runtime_app, Run.get_runtime(tools_runtime_path) as runtime_tools: + runtime_tools.add_project(tools) + runtime_tools.add_project(babeltrace) + + runtime_app.add_project(ust) + runtime_app.lttng_home = runtime_tools.lttng_home + + trace_path = os.path.join(runtime_tools.lttng_home, 'trace') + + # Make application using the ust runtime + shutil.copytree(Settings.apps_python, app_path) + + # Start lttng-sessiond + sessiond = utils.sessiond_spawn(runtime_tools) + + # Create session using mi to get path and session name + runtime_tools.run('lttng create trace --output={}'.format(trace_path)) + + runtime_tools.run('lttng enable-event -p pello') + runtime_tools.run('lttng start') + + # Steal the PYTHONPATH from ust project and force it on the tools + # project + python_path = ust.special_env_variables['PYTHONPATH'] + tools.special_env_variables['PYTHONPATH'] = python_path + + # Run application with tools runtime + cmd = 'python app.py -i {}'.format(nb_iter) + runtime_tools.run(cmd, cwd=app_path) + + # Stop tracing + runtime_tools.run('lttng destroy -a') + cp = runtime_tools.subprocess_terminate(sessiond) + if cp.returncode != 0: + pytest.fail("Sessiond return code") + + # Read trace with babeltrace and check for event count via number of line + cmd = 'babeltrace {}'.format(trace_path) + if outcome == "Success": + assert(utils.file_contains(runtime_tools.get_subprocess_stderr_path(sessiond),["New registration for pid"])) + cp_process, cp_out, cp_err = runtime_tools.run(cmd) + assert(utils.line_count(cp_out) == nb_events) + else: + if outcome == "Unsupported protocol": + assert(not(utils.file_contains(runtime_tools.get_subprocess_stderr_path(sessiond),["New registration for pid"]))) + cp_process, cp_out, cp_err = runtime_tools.run(cmd) + assert(utils.line_count(cp_out) == 0)