def install(*args, **kwargs):
if "config" in kwargs:
ScoutConfig().set(**kwargs["config"])
context = AgentContext.build(config=ScoutConfig())
if not context.config.value("monitor"):
logger.info(
"APM Not Launching on PID: %s - Configuration 'monitor' is not true",
getpid(),
)
return False
InstrumentManager().install_all()
if objtrace is not None:
objtrace.enable()
logger.debug("APM Launching on PID: %s", getpid())
launched = CoreAgentManager().launch()
AppMetadata.report()
if launched:
AgentContext.socket().stop()
return True
def test_loads_default_instrument():
global default_instrument_installed
assert not default_instrument_installed
try:
assert InstrumentManager().install(__name__)
assert default_instrument_installed
finally:
default_instrument_installed = False
def test_loads_default_instrument():
global default_instrument_installed
assert(not default_instrument_installed)
result = InstrumentManager().install('scout_apm_tests.instrument_manager_test')
assert(default_instrument_installed)
assert(result)
default_instrument_installed = False
def test_loads_class_instrument():
global klassy_instrument_pos_arg
global klassy_instrument_kwarg
assert(not klassy_instrument_pos_arg)
assert(not klassy_instrument_kwarg)
result = InstrumentManager().install('scout_apm_tests.instrument_manager_test', 'KlassyInstrument', 'pos arg', kwarg='kwarg')
assert(klassy_instrument_pos_arg == 'pos arg')
assert(klassy_instrument_kwarg == 'kwarg')
assert(result)
klassy_instrument_pos_arg = False
klassy_instrument_kwarg = False
def test_loads_class_instrument():
global klassy_instrument_pos_arg
global klassy_instrument_kwarg
assert not klassy_instrument_pos_arg
assert not klassy_instrument_kwarg
try:
assert InstrumentManager().install(
__name__, "KlassyInstrument", "pos arg", kwarg="kwarg"
)
assert klassy_instrument_pos_arg == "pos arg"
assert klassy_instrument_kwarg == "kwarg"
finally:
klassy_instrument_pos_arg = False
klassy_instrument_kwarg = False
def test_install_all_installs_only_enabled_instruments():
# Disable all instruments except the last one.
ScoutConfig.set(
disabled_instruments=InstrumentManager.DEFAULT_INSTRUMENTS[:-1])
AgentContext.build()
try:
with patch(
"scout_apm.core.instrument_manager.InstrumentManager.install"
) as install:
# Only the last instrument is installed.
InstrumentManager().install_all()
install.assert_called_once_with("{}.{}".format(
InstrumentManager.INSTRUMENT_NAMESPACE,
InstrumentManager.DEFAULT_INSTRUMENTS[-1],
))
finally:
ScoutConfig.reset_all()
def install(*args, **kwargs):
if 'config' in kwargs:
ScoutConfig().set(**kwargs['config'])
context = AgentContext.build(config=ScoutConfig())
if not context.config.value('monitor'):
logger.info(
"APM Not Launching on PID: %s - Configuration 'monitor' is not true",
getpid())
return False
InstrumentManager().install_all()
if HAS_OBJTRACE:
objtrace.enable()
logger.debug('APM Launching on PID: %s', getpid())
CoreAgentManager().launch()
AppMetadata.report()
AgentContext.socket().stop()
return True
def test_handles_exception():
assert not InstrumentManager().install(__name__, "ExceptionalInstrument")
def test_handles_exception():
result = InstrumentManager().install('scout_apm_tests.instrument_manager_test', 'ExceptionalInstrument')
assert(not result)