def validate_app_context(session_name, save_file):
xpath_provider_name = '/sessions/session[name="{}"]/domains/domain[type="JUL" or type="LOG4J"]/channels/channel/contexts/context/app/provider_name'.format(
session_name)
xpath_ctx_name = '/sessions/session[name="{}"]/domains/domain[type="JUL" or type="LOG4J"]/channels/channel/contexts/context/app/ctx_name'.format(
session_name)
xpath_node_expected = 2
# Check that the file is present
assert (os.path.isfile(save_file))
# Validate provider name
node_list = xpath_query(save_file, xpath_provider_name)
assert (len(node_list) == xpath_node_expected)
for node in node_list:
assert (node.text == "myRetriever")
# Validate ctx_name
node_list = xpath_query(save_file, xpath_ctx_name)
assert (len(node_list) == xpath_node_expected)
for node in node_list:
assert (node.text == "intCtx")
def test_save_load_timer_interval(tmpdir, tools_save_l, tools_load_l,
should_load):
# Prepare environment
t_save = ProjectFactory.get_precook(tools_save_l)
t_load = ProjectFactory.get_precook(tools_load_l)
t_save_runtime_path = os.path.join(str(tmpdir), "tools-save")
t_load_runtime_path = os.path.join(str(tmpdir), "tools-load")
save_load_path = os.path.join(str(tmpdir), 'save_load')
trace_name = "saved_trace"
channel_name = "my_channel"
trace_filename = trace_name + Settings.save_ext
trace_file_path = os.path.join(save_load_path, trace_filename)
monitor_timer_interval = 1000
# Craft the save
with Run.get_runtime(t_save_runtime_path) as runtime:
runtime.add_project(t_save)
# Start lttng-sessiond
sessiond = utils.sessiond_spawn(runtime)
runtime.run("lttng create {}".format(trace_name))
runtime.run("lttng enable-channel -u --monitor-timer={} {}".format(
monitor_timer_interval, channel_name))
runtime.run("lttng save --output-path={}".format(save_load_path))
assert (os.path.isfile(trace_file_path))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on save return code")
assert (os.path.isfile(trace_file_path))
xpath_monitor_interval = '/sessions/session/domains/domain[type="UST"]/channels/channel/monitor_timer_interval'
node = xpath_query(trace_file_path, xpath_monitor_interval)
assert (len(node) == 1)
assert (node[0].text == str(monitor_timer_interval))
# Load the save
with Run.get_runtime(t_load_runtime_path) as runtime:
runtime.add_project(t_load)
# Start lttng-sessiond
sessiond = utils.sessiond_spawn(runtime)
if should_load:
runtime.run("lttng load --input-path={} {}".format(
save_load_path, trace_name))
else:
with pytest.raises(subprocess.CalledProcessError):
runtime.run("lttng load --input-path={} {}".format(
save_load_path, trace_name))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on load return code")
return
cp, mi_out, err = runtime.run(
"lttng --mi xml list {}".format(trace_name))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on load return code")
assert (os.path.isfile(mi_out))
xpath_mi = '/command/output/sessions/session/domains/domain/channels/channel/attributes/monitor_timer_interval'
node = xpath_query(mi_out, xpath_mi)
assert (len(node) == 1)
assert (node[0].text == str(monitor_timer_interval))