def setUp(self):
super(SyslogMonitorConnectTest, self).setUp()
self.monitor = None
self.sockets = []
# capture log output
scalyr_logging.set_log_destination(use_stdout=True)
scalyr_logging.set_log_level(scalyr_logging.DEBUG_LEVEL_0)
self.logger = logging.getLogger(
"scalyr_agent.builtin_monitors.syslog_monitor.syslog")
self.logger.setLevel(logging.INFO)
self.stream = StringIO()
self.handler = logging.StreamHandler(self.stream)
self.logger.addHandler(self.handler)
# Allow tcp_buffer_size to be set to less than 2k
for option in MonitorInformation.__monitor_info__[
"scalyr_agent.builtin_monitors.syslog_monitor"].config_options:
if option.option_name == "tcp_buffer_size":
option.min_value = 0
# hide stdout
self.old = sys.stdout
# Replace sys.stdout with 'dummy' StringIO.
# We must have one more variable which points to our 'dummy' stream because
# Pytest can replace 'sys.stdout' with its own stream,
# so we will not be able to access 'dummy' stream after that.
self.dummy_stream = StringIO()
sys.stdout = self.dummy_stream
def setUp(self):
super(SyslogMonitorConnectTest, self).setUp()
self.monitor = None
self.sockets = []
# capture log output
scalyr_logging.set_log_destination(use_stdout=True)
scalyr_logging.set_log_level(scalyr_logging.DEBUG_LEVEL_0)
self.logger = logging.getLogger(
"scalyr_agent.builtin_monitors.syslog_monitor.syslog"
)
self.logger.setLevel(logging.INFO)
self.stream = StringIO()
self.handler = logging.StreamHandler(self.stream)
self.logger.addHandler(self.handler)
# hide stdout
self.old = sys.stdout
# Replace sys.stdout with 'dummy' StringIO.
# We must have one more variable which points to our 'dummy' stream because
# Pytest can replace 'sys.stdout' with its own stream,
# so we will not be able to access 'dummy' stream after that.
self.dummy_stream = StringIO()
sys.stdout = self.dummy_stream
def run_standalone_monitor(monitor_module, monitor_python_path, monitor_config,
monitor_sample_interval, monitor_debug_level,
global_config_path):
"""Runs a single plugin monitor instance.
@param monitor_module: The name of the python module implementing the monitor.
@param monitor_python_path: The python path to search to find the module.
@param monitor_config: The monitor configuration object.
@param monitor_sample_interval: The default to use for the sample interval.
@param monitor_debug_level: The debug level to use for logging.
@param global_config_path: The path to the agent.json global configuration file to use, or None if none was
supplied.
"""
scalyr_logging.set_log_destination(use_stdout=True)
scalyr_logging.set_log_level(monitor_debug_level)
log.log(scalyr_logging.DEBUG_LEVEL_1, 'Attempting to run module %s',
monitor_module)
try:
parsed_config = json_lib.parse(monitor_config)
log.log(scalyr_logging.DEBUG_LEVEL_1,
'Parsed configuration successfully')
except json_lib.JsonParseException, e:
print >> sys.stderr, 'Failed to parse the monitor configuration as valid JSON: %s', str(
e)
return 1
def setUp(self):
self.monitor = None
self.sockets = []
# capture log output
scalyr_logging.set_log_destination(use_stdout=True)
scalyr_logging.set_log_level(scalyr_logging.DEBUG_LEVEL_0)
self.logger = logging.getLogger("scalyr_agent.builtin_monitors.syslog_monitor.syslog")
self.logger.setLevel(logging.INFO)
self.stream = StringIO()
self.handler = logging.StreamHandler(self.stream)
self.logger.addHandler(self.handler)
# hide stdout
self.old = sys.stdout
sys.stdout = StringIO()
def setUp(self):
self.monitor = None
self.sockets = []
# capture log output
scalyr_logging.set_log_destination(use_stdout=True)
scalyr_logging.set_log_level(scalyr_logging.DEBUG_LEVEL_0)
self.logger = logging.getLogger("scalyr_agent.builtin_monitors.syslog_monitor.syslog")
self.logger.setLevel(logging.INFO)
self.stream = StringIO()
self.handler = logging.StreamHandler(self.stream)
self.logger.addHandler(self.handler)
# hide stdout
self.old = sys.stdout
sys.stdout = StringIO()
def run_standalone_monitor(monitor_module, monitor_python_path, monitor_config, monitor_sample_interval,
monitor_debug_level):
"""Runs a single plugin monitor instance.
@param monitor_module: The name of the python module implementing the monitor.
@param monitor_python_path: The python path to search to find the module.
@param monitor_config: The monitor configuration object.
@param monitor_sample_interval: The default to use for the sample interval.
@param monitor_debug_level: The debug level to use for logging.
"""
scalyr_logging.set_log_destination(use_stdout=True)
scalyr_logging.set_log_level(monitor_debug_level)
log.log(scalyr_logging.DEBUG_LEVEL_1, 'Attempting to run module %s', monitor_module)
try:
parsed_config = json_lib.parse(monitor_config)
log.log(scalyr_logging.DEBUG_LEVEL_1, 'Parsed configuration successfully')
except json_lib.JsonParseException, e:
print >>sys.stderr, 'Failed to parse the monitor configuration as valid JSON: %s', str(e)
return 1
def run_standalone_monitor(
monitor_module,
monitor_python_path,
monitor_config,
monitor_sample_interval,
monitor_debug_level,
global_config_path,
):
"""Runs a single plugin monitor instance.
@param monitor_module: The name of the python module implementing the monitor.
@param monitor_python_path: The python path to search to find the module.
@param monitor_config: The monitor configuration object.
@param monitor_sample_interval: The default to use for the sample interval.
@param monitor_debug_level: The debug level to use for logging.
@param global_config_path: The path to the agent.json global configuration file to use, or None if none was
supplied.
"""
scalyr_logging.set_log_destination(use_stdout=True)
scalyr_logging.set_log_level(monitor_debug_level)
log.log(scalyr_logging.DEBUG_LEVEL_1, "Attempting to run module %s",
monitor_module)
try:
# Needs to be json_lib.parse because it is parsing configuration
parsed_config = scalyr_util.json_scalyr_config_decode(monitor_config)
log.log(scalyr_logging.DEBUG_LEVEL_1,
"Parsed configuration successfully")
except JsonParseException as e:
print(
"Failed to parse the monitor configuration as valid JSON: %s",
six.text_type(e),
file=sys.stderr,
)
return 1
parsed_config["module"] = monitor_module
if "id" not in parsed_config:
parsed_config["id"] = ""
# noinspection PyUnusedLocal
def handle_shutdown_signal(signum, frame):
print("Signal received, stopping monitor...", file=sys.stdout)
monitor.stop()
for sig in (signal.SIGTERM, signal.SIGINT):
signal.signal(sig, handle_shutdown_signal)
try:
if global_config_path is not None:
controller = PlatformController.new_platform()
paths = controller.default_paths
global_config = Configuration(global_config_path, paths, log)
global_config.parse()
else:
global_config = None
monitor = MonitorsManager.build_monitor(
parsed_config,
monitor_python_path,
float(monitor_sample_interval),
global_config,
)
log.log(scalyr_logging.DEBUG_LEVEL_1, "Constructed monitor")
monitor.open_metric_log()
log.log(scalyr_logging.DEBUG_LEVEL_1, "Starting monitor")
monitor.start()
while monitor.isAlive():
time.sleep(0.1)
except BadMonitorConfiguration as e:
print("Invalid monitor configuration: %s" % six.text_type(e),
file=sys.stderr)
return 0
