def test_output_path_snapshot_relayd_add_output(tmpdir, client, server, mode,
state):
"""
Test of output path for relayd snapshot output created with 'lttng snapshot
add-output'.
"""
nb_loop = 10
datetime_re = "[0-9]{8}-[0-9]{6}"
snapshot_re = "snapshot-1-{}-0".format(datetime_re)
trailing = "{}/ust/{}".format(snapshot_re, mode)
hostname = socket.gethostname()
Output_test = namedtuple("Output_test", ["name", "command", "path_regex"])
# Prepare environment
lttng_tools = ProjectFactory.get_precook(client)
relay = ProjectFactory.get_precook(server)
app_path = os.path.join(str(tmpdir), "app")
app_sync_start = os.path.join(app_path, "sync_start")
app_sync_end = os.path.join(app_path, "sync_end")
shutil.copytree(Settings.apps_gen_events_folder, app_path)
tools_runtime_path = os.path.join(str(tmpdir), "client")
relayd_runtime_path = os.path.join(str(tmpdir), "relayd")
app_path = os.path.join(str(tmpdir), "app")
with Run.get_runtime(tools_runtime_path) as rt_tools, Run.get_runtime(
relayd_runtime_path) as rt_relayd:
rt_tools.add_project(lttng_tools)
rt_relayd.add_project(relay)
# Make application using the runtime
rt_tools.run("make V=1", cwd=app_path)
sessiond = utils.sessiond_spawn(rt_tools)
relayd, ctrl_port, data_port, live_port = utils.relayd_spawn(rt_relayd)
base_path = "{}/{}/{}".format(rt_relayd.lttng_home, "lttng-traces",
hostname)
path_with_session_name_tests = [
Output_test(
"test",
"net://127.0.0.1:{}:{}".format(ctrl_port, data_port),
"{}/test-{}/{}".format(base_path, datetime_re, trailing),
),
Output_test(
"test1",
"net://127.0.0.1:{}:{}/".format(ctrl_port, data_port),
"{}/test1-{}/{}".format(base_path, datetime_re, trailing),
),
Output_test(
"test-20190319-120000",
"net://127.0.0.1:{}:{}".format(ctrl_port, data_port),
"{}/test-20190319-120000-{}/{}".format(base_path, datetime_re,
trailing),
),
Output_test(
"test4",
"--ctrl-url=tcp4://127.0.0.1:{} --data-url=tcp4://127.0.0.1:{}"
.format(ctrl_port, data_port),
"{}/test4-{}/{}".format(base_path, datetime_re, trailing),
),
Output_test(
"test6",
"--ctrl-url=tcp4://127.0.0.1:{} --data-url=tcp4://127.0.0.1:{}/custom_output3"
.format(ctrl_port, data_port),
"{}/test6-{}/{}".format(base_path, datetime_re, trailing),
),
]
custom_output_tests = [
Output_test(
"test3",
"net://127.0.0.1:{}:{}/custom_output".format(
ctrl_port, data_port),
"{}/custom_output/{}".format(base_path, trailing),
),
Output_test(
"test5",
"--ctrl-url=tcp4://127.0.0.1:{}/custom_output2 --data-url=tcp4://127.0.0.1:{}"
.format(ctrl_port, data_port),
"{}/custom_output2/{}".format(base_path, trailing),
),
Output_test(
"test7",
"--ctrl-url=tcp4://127.0.0.1:{}/custom_output4 --data-url=tcp4://127.0.0.1:{}/custom_output4"
.format(ctrl_port, data_port),
"{}/custom_output4/{}".format(base_path, trailing),
),
]
tests = custom_output_tests
if state != "buggy_client":
tests += path_with_session_name_tests
# Create session using mi to get path and session name
failed_tests = []
for test in tests:
rt_tools.run("lttng create {} --snapshot --no-output".format(
test.name))
rt_tools.run(
"lttng enable-channel -u --buffers-{} channel".format(mode))
rt_tools.run("lttng enable-event -u tp:tptest -c channel")
rt_tools.run(
"lttng snapshot add-output --name snapshot-1 {}".format(
test.command))
rt_tools.run("lttng start")
# Run application asynchronously since per-pid and snapshot mode
# need the application alive at snapshot time. It does not matter
# in per-uid buffering mode.
cmd = "./app {} 0 {} {}".format(nb_loop, app_sync_start,
app_sync_end)
app_id = rt_tools.spawn_subprocess(cmd, cwd=app_path)
utils.wait_for_file(app_sync_start)
rt_tools.run("lttng snapshot record")
utils.create_empty_file(app_sync_end)
rt_tools.run("lttng stop")
rt_tools.run("lttng destroy -a")
rt_tools.subprocess_terminate(app_id)
if not utils.path_exists_regex(base_path, test.path_regex):
failed_tests.append(test)
os.remove(app_sync_start)
os.remove(app_sync_end)
rt_tools.subprocess_terminate(sessiond)
rt_relayd.subprocess_terminate(relayd)
if failed_tests:
s = StringIO()
utils.tree(base_path, s)
pytest.fail(pformat(failed_tests) + "\n" + s.getvalue())
def test_ust_app_regen_statedump(tmpdir, ust_label, tools_label, success):
nb_events = 100
if success:
expected_events = 4
else:
expected_events = 2
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")
app_sync_start = os.path.join(app_path, 'sync_start')
app_sync_end = os.path.join(app_path, 'sync_end')
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_gen_events_folder, app_path)
runtime_app.run("make V=1", cwd=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 -u lttng_ust_statedump:start,lttng_ust_statedump:end'
)
runtime_tools.run('lttng start')
# Run application
cmd = './app {} 0 {} {}'.format(nb_events, app_sync_start,
app_sync_end)
runtime_app.spawn_subprocess(cmd, cwd=app_path)
utils.wait_for_file(app_sync_start)
if not success:
with pytest.raises(subprocess.CalledProcessError):
runtime_tools.run('lttng regenerate statedump')
else:
runtime_tools.run('lttng regenerate statedump')
utils.create_empty_file(app_sync_end)
# Stop tracing
runtime_tools.run('lttng stop')
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)
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
assert (utils.line_count(cp_out) == expected_events)
def test_output_path_snapshot_local_add_output(tmpdir, version, mode):
"""
Test of output path for local snapshot output created with 'lttng snapshot
add-output'.
"""
nb_loop = 10
datetime_re = "[0-9]{8}-[0-9]{6}"
snapshot_re = "snapshot-1-{}-0".format(datetime_re)
trailing = "{}/ust/{}".format(snapshot_re, mode)
Output_test = namedtuple("Output_test", ["name", "command", "path_regex"])
# Prepare environment
lttng_tools = ProjectFactory.get_precook(version)
app_path = os.path.join(str(tmpdir), "app")
app_sync_start = os.path.join(app_path, "sync_start")
app_sync_end = os.path.join(app_path, "sync_end")
shutil.copytree(Settings.apps_gen_events_folder, app_path)
with Run.get_runtime(tmpdir) as runtime:
base_path = runtime.lttng_home
tests = [
Output_test(
"test1",
"--ctrl-url=file://{}/custom_output".format(str(base_path)) +
" --data-url=''",
"{}/custom_output/{}".format(str(base_path), trailing),
),
Output_test(
"test2",
"file://{}/custom_output2".format(str(base_path)),
"{}/custom_output2/{}".format(str(base_path), trailing),
),
]
runtime.add_project(lttng_tools)
# Make application using the runtime
runtime.run("make V=1", cwd=app_path)
sessiond = utils.sessiond_spawn(runtime)
# Create session using mi to get path and session name
failed_tests = []
for test in tests:
runtime.run("lttng create {} --snapshot --no-output".format(
test.name))
runtime.run(
"lttng enable-channel -u --buffers-{} channel".format(mode))
runtime.run("lttng enable-event -u tp:tptest -c channel")
runtime.run(
"lttng snapshot add-output --name snapshot-1 {}".format(
test.command))
runtime.run("lttng start")
# Run application asynchronously since per-pid and snapshot mode
# need the application alive at snapshot time. It does not matter
# in per-uid buffering mode.
cmd = "./app {} 0 {} {}".format(nb_loop, app_sync_start,
app_sync_end)
app_id = runtime.spawn_subprocess(cmd, cwd=app_path)
utils.wait_for_file(app_sync_start)
runtime.run("lttng snapshot record")
utils.create_empty_file(app_sync_end)
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
runtime.subprocess_terminate(app_id)
if not utils.path_exists_regex(base_path, test.path_regex):
failed_tests.append(test)
os.remove(app_sync_start)
os.remove(app_sync_end)
runtime.subprocess_terminate(sessiond)
if failed_tests:
s = StringIO()
utils.tree(base_path, s)
pytest.fail(pformat(failed_tests) + "\n" + s.getvalue())