class SyslogMonitorConnectTest(SyslogMonitorTestCase):
@classmethod
def setUpClass(cls):
# clear the syslog disk logger
try:
os.remove("agent_syslog.log")
except OSError:
pass
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 tearDown(self):
# close any open sockets
for s in self.sockets:
s.close()
# stop any running monitors - this might be open if an exception was thrown before a test called monitor.stop()
if self.monitor != None:
self.monitor.stop(wait_on_join=False)
self.logger.removeHandler(self.handler)
self.handler.close()
# restore stdout
sys.stdout.close()
sys.stdout = self.old
def connect(self, socket, addr, max_tries=3):
connected = False
tries = 0
while not connected and tries < max_tries:
try:
socket.connect(addr)
connected = True
except:
time.sleep(0.1)
tries += 1
return connected
def test_run_tcp_server(self):
config = {
'module': 'scalyr_agent.builtin_monitors.syslog_monitor',
'protocols': 'tcp:8514',
}
self.monitor = SyslogMonitor(config, self.logger)
self.monitor.open_metric_log()
self.monitor.start()
time.sleep(0.05)
s = socket.socket()
self.sockets.append(s)
expected = "TCP TestXX\n"
self.connect(s, ('localhost', 8514))
s.sendall(expected)
time.sleep(1)
self.monitor.stop(wait_on_join=False)
self.monitor = None
f = open('agent_syslog.log')
actual = f.read().strip()
expected = expected.strip()
self.assertTrue(expected in actual, "Unable to find '%s' in output:\n\t %s" % (expected, actual))
def test_run_udp_server(self):
config = {
'module': 'scalyr_agent.builtin_monitors.syslog_monitor',
'protocols': 'udp:5514',
}
self.monitor = SyslogMonitor(config, scalyr_logging.getLogger("syslog_monitor[test]"))
self.monitor.open_metric_log()
self.monitor.start()
time.sleep(0.1)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sockets.append(s)
expected = "UDP Test %s" % (uuid.uuid4())
s.sendto(expected, ('localhost', 5514))
time.sleep(1)
self.monitor.stop(wait_on_join=False)
self.monitor = None
f = open('agent_syslog.log')
actual = f.read().strip()
self.assertTrue(
expected in actual,
"Unable to find '%s' in output:\n\t %s" % (expected, actual)
)
def test_run_multiple_servers(self):
config = {
'module': 'scalyr_agent.builtin_monitors.syslog_monitor',
'protocols': 'udp:8000, tcp:8001, udp:8002, tcp:8003',
}
self.monitor = SyslogMonitor(config, scalyr_logging.getLogger("syslog_monitor[test]"))
self.monitor.open_metric_log()
self.monitor.start()
time.sleep(0.05)
udp = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sockets.append(udp)
tcp1 = socket.socket()
self.sockets.append(tcp1)
tcp2 = socket.socket()
self.sockets.append(tcp2)
self.connect(tcp1, ('localhost', 8001))
self.connect(tcp2, ('localhost', 8003))
expected_udp1 = "UDP Test"
udp.sendto(expected_udp1, ('localhost', 8000))
expected_udp2 = "UDP2 Test"
udp.sendto(expected_udp2, ('localhost', 8002))
expected_tcp1 = "TCP Test\n"
tcp1.sendall(expected_tcp1)
expected_tcp2 = "TCP2 Test\n"
tcp2.sendall(expected_tcp2)
time.sleep(1)
self.monitor.stop(wait_on_join=False)
self.monitor = None
f = open('agent_syslog.log')
actual = f.read().strip()
expected_tcp1 = expected_tcp1.strip()
expected_tcp2 = expected_tcp2.strip()
self.assertTrue(expected_udp1 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_udp1, actual))
self.assertTrue(expected_udp2 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_udp2, actual))
self.assertTrue(expected_tcp1 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_tcp1, actual))
self.assertTrue(expected_tcp2 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_tcp2, actual))
class SyslogMonitorConnectTest(SyslogMonitorTestCase):
@classmethod
def setUpClass(cls):
# clear the syslog disk logger
try:
os.remove("agent_syslog.log")
except OSError:
pass
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 tearDown(self):
# close any open sockets
for s in self.sockets:
s.close()
# stop any running monitors - this might be open if an exception was thrown before a test called monitor.stop()
if self.monitor != None:
self.monitor.stop(wait_on_join=False)
self.logger.removeHandler(self.handler)
self.handler.close()
# restore stdout
sys.stdout.close()
sys.stdout = self.old
def connect(self, socket, addr, max_tries=3):
connected = False
tries = 0
while not connected and tries < max_tries:
try:
socket.connect(addr)
connected = True
except:
time.sleep(0.1)
tries += 1
return connected
def test_run_tcp_server(self):
config = {
'module': 'scalyr_agent.builtin_monitors.syslog_monitor',
'protocols': 'tcp:8514',
}
self.monitor = SyslogMonitor(config, self.logger)
self.monitor.open_metric_log()
self.monitor.start()
time.sleep(0.05)
s = socket.socket()
self.sockets.append(s)
expected = "TCP TestXX\n"
self.connect(s, ('localhost', 8514))
s.sendall(expected)
time.sleep(1)
self.monitor.stop(wait_on_join=False)
self.monitor = None
f = open('agent_syslog.log')
actual = f.read().strip()
expected = expected.strip()
self.assertTrue(expected in actual, "Unable to find '%s' in output:\n\t %s" % (expected, actual))
def test_run_udp_server(self):
config = {
'module': 'scalyr_agent.builtin_monitors.syslog_monitor',
'protocols': 'udp:5514',
}
self.monitor = SyslogMonitor(config, scalyr_logging.getLogger("syslog_monitor[test]"))
self.monitor.open_metric_log()
self.monitor.start()
time.sleep(0.1)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sockets.append(s)
expected = "UDP Test {}".format(uuid.uuid4())
s.sendto(expected, ('localhost', 5514))
time.sleep(1)
self.monitor.stop(wait_on_join=False)
self.monitor = None
f = open('agent_syslog.log')
actual = f.read().strip()
self.assertTrue(
expected in actual,
"Unable to find '%s' in output:\n\t %s" % (expected, actual)
)
def test_run_multiple_servers(self):
config = {
'module': 'scalyr_agent.builtin_monitors.syslog_monitor',
'protocols': 'udp:8000, tcp:8001, udp:8002, tcp:8003',
}
self.monitor = SyslogMonitor(config, scalyr_logging.getLogger("syslog_monitor[test]"))
self.monitor.open_metric_log()
self.monitor.start()
time.sleep(0.05)
udp = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sockets.append(udp)
tcp1 = socket.socket()
self.sockets.append(tcp1)
tcp2 = socket.socket()
self.sockets.append(tcp2)
self.connect(tcp1, ('localhost', 8001))
self.connect(tcp2, ('localhost', 8003))
expected_udp1 = "UDP Test"
udp.sendto(expected_udp1, ('localhost', 8000))
expected_udp2 = "UDP2 Test"
udp.sendto(expected_udp2, ('localhost', 8002))
expected_tcp1 = "TCP Test\n"
tcp1.sendall(expected_tcp1)
expected_tcp2 = "TCP2 Test\n"
tcp2.sendall(expected_tcp2)
time.sleep(1)
self.monitor.stop(wait_on_join=False)
self.monitor = None
f = open('agent_syslog.log')
actual = f.read().strip()
expected_tcp1 = expected_tcp1.strip()
expected_tcp2 = expected_tcp2.strip()
self.assertTrue(expected_udp1 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_udp1, actual))
self.assertTrue(expected_udp2 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_udp2, actual))
self.assertTrue(expected_tcp1 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_tcp1, actual))
self.assertTrue(expected_tcp2 in actual, "Unable to find '%s' in output:\n\t %s" % (expected_tcp2, actual))
