def shand(signum, frame):
now = time.time()
if now - self.int_time < INTERRUPT_REPEAT_INTERVAL:
self.stop_messaging()
else:
self.int_time = now
log.info('mi/core/instrument/driver_process.py DRIVER GOT SIGINT and is ignoring it...')
def main():
# Get the command line arguments
options = docopt.docopt(__doc__)
subsites = options.get('<subsites>')
deployments = options.get('<deployments>')
dates = options.get('<dates>')
keep_temp_files = options.get('--keep')
process_mode = options.get('--process')
all_subsites = options.get('--all')
zplsc_datafile = options.get('<zplsc_datafile>')
if subsites is not None:
subsites = subsites.split(" ")
if deployments is not None:
deployments = deployments.split(" ")
else:
deployments = []
if dates is not None:
dates = dates.split(" ")
try:
echogram_generator = ZPLSCEchogramGenerator(subsites, deployments, dates, keep_temp_files,
zplsc_datafile, process_mode, all_subsites)
echogram_generator.generate_zplsc_echograms()
log.info('Echogram processing completed successfully!')
except ValueError:
log.error('Invalid command line parameters: exiting Echogram Generator')
def test_real_file(self):
"""
The file used in this test, is a real file from the IDD. It contains 14 records:
7 power records, 6 CO2 records (normal) and 1 CO2 record (blank).
(No control files are in the real file.)
Verify that the correct number of particles are generated
from a real file.
"""
log.debug('===== START TEST REAL FILE =====')
with open(os.path.join(RESOURCE_PATH, '20140507.pco2w1.log'),
'r') as file_handle:
num_particles_to_request = 2500
num_expected_particles = 14
parser = Pco2wAbcDclParser(self._recovered_parser_config,
file_handle, self.exception_callback,
None, None)
particles = parser.get_records(num_particles_to_request)
log.info(len(particles))
self.assertEquals(len(particles), num_expected_particles)
self.assertEquals(self.exception_callback_value, [])
log.debug('===== END TEST REAL FILE =====')
def fix_yml_pressure_params(self):
"""
This helper tool was used to modify the yml files in response to ticket #4341
"""
pressure_regex = r' pressure:\s+(0.\d+)'
for file_name in os.listdir(RESOURCE_PATH):
if file_name.endswith('.yml'):
with open(os.path.join(RESOURCE_PATH, file_name), 'rU') as in_file_id:
out_file_name = file_name + '.new'
log.info('fixing file %s', file_name)
log.info('creating file %s', out_file_name)
out_file_id = open(os.path.join(RESOURCE_PATH, out_file_name), 'w')
for line in in_file_id:
match = re.match(pressure_regex, line)
if match is not None:
new_value = float(match.group(1)) * 1000.0
new_line = ' pressure_mbar: ' + str(new_value)
out_file_id.write(new_line + '\n')
else:
out_file_id.write(line)
out_file_id.close()
def test_real_file(self):
"""
The file used in this test, is a real file from the IDD. It contains 14 records:
7 power records, 6 CO2 records (normal) and 1 CO2 record (blank).
(No control files are in the real file.)
Verify that the correct number of particles are generated
from a real file.
"""
log.debug('===== START TEST REAL FILE =====')
with open(os.path.join(RESOURCE_PATH, '20140507.pco2w1.log'), 'r') as file_handle:
num_particles_to_request = 2500
num_expected_particles = 14
parser = Pco2wAbcDclParser(self._recovered_parser_config,
file_handle,
self.exception_callback,
None,
None)
particles = parser.get_records(num_particles_to_request)
log.info(len(particles))
self.assertEquals(len(particles), num_expected_particles)
self.assertEquals(self.exception_callback_value, [])
log.debug('===== END TEST REAL FILE =====')
def main():
# Get the command line arguments
options = docopt.docopt(__doc__)
subsites = options.get('<subsites>')
deployments = options.get('<deployments>')
dates = options.get('<dates>')
keep_temp_files = options.get('--keep')
process_mode = options.get('--process')
all_subsites = options.get('--all')
zplsc_datafile = options.get('<zplsc_datafile>')
if subsites is not None:
subsites = subsites.split(" ")
if deployments is not None:
deployments = deployments.split(" ")
else:
deployments = []
if dates is not None:
dates = dates.split(" ")
try:
echogram_generator = ZPLSCEchogramGenerator(subsites, deployments,
dates, keep_temp_files,
zplsc_datafile,
process_mode, all_subsites)
echogram_generator.generate_zplsc_echograms()
log.info('Echogram processing completed successfully!')
except ValueError:
log.error(
'Invalid command line parameters: exiting Echogram Generator')
def fix_yml_pressure_params(self):
"""
This helper tool was used to modify the yml files in response to ticket #4341
"""
pressure_regex = r'\s+pressure:\s+(0.\d+)'
for file_name in os.listdir(RESOURCE_PATH):
if file_name.endswith('.yml'):
with open(os.path.join(RESOURCE_PATH, file_name),
'rU') as in_file_id:
out_file_name = file_name + '.new'
log.info('fixing file %s', file_name)
log.info('creating file %s', out_file_name)
out_file_id = open(
os.path.join(RESOURCE_PATH, out_file_name), 'w')
for line in in_file_id:
match = re.match(pressure_regex, line)
if match is not None:
new_value = float(match.group(1)) * 1000.0
new_line = ' pressure_mbar: ' + str(new_value)
out_file_id.write(new_line + '\n')
else:
out_file_id.write(line)
out_file_id.close()
def test_real_file(self):
"""
The file used in this test, is a real file from the acquisition server.
It contains 20 pH records:
Verify that 20 instrument particles and one metadata particle are generated
from the real file.
"""
log.debug('===== START TEST REAL FILE =====')
with open(os.path.join(RESOURCE_PATH, 'phsen1_20140730_190554.DAT'), O_MODE) as file_handle:
num_particles_to_request = 25
num_expected_particles = 21
parser = PhsenAbcdefImodemParser(self._recovered_parser_config,
file_handle,
self.exception_callback)
particles = parser.get_records(num_particles_to_request)
log.info(len(particles))
self.assertEquals(len(particles), num_expected_particles)
self.assertEquals(self.exception_callback_value, [])
log.debug('===== END TEST REAL FILE =====')
def test_real_file(self):
"""
Verify that the correct number of particles are generated
from a real file.
"""
log.debug('===== START TEST REAL FILE =====')
with open(os.path.join(RESOURCE_PATH, 'SAMI_C0069_300614.txt'), 'r') as file_handle:
NUM_PARTICLES_TO_REQUEST = 2500
NUM_EXPECTED_PARTICLES = 2063
parser = Pco2wAbcParser(self._parser_config,
file_handle,
self.exception_callback,
None,
None)
particles = parser.get_records(NUM_PARTICLES_TO_REQUEST)
log.info(len(particles))
self.assertEquals(len(particles), NUM_EXPECTED_PARTICLES)
self.assertEqual(self._exception_occurred, False)
log.debug('===== END TEST REAL FILE =====')
def test_real_file(self):
"""
Verify that the correct number of particles are generated
from a real file.
"""
log.debug('===== START TEST REAL FILE =====')
with open(os.path.join(RESOURCE_PATH, 'SAMI_C0069_300614.txt'),
'r') as file_handle:
NUM_PARTICLES_TO_REQUEST = 2500
NUM_EXPECTED_PARTICLES = 2063
parser = Pco2wAbcParser(self._parser_config, file_handle,
self.exception_callback, None, None)
particles = parser.get_records(NUM_PARTICLES_TO_REQUEST)
log.info(len(particles))
self.assertEquals(len(particles), NUM_EXPECTED_PARTICLES)
self.assertEqual(self._exception_occurred, False)
log.debug('===== END TEST REAL FILE =====')
def shutdown(self):
"""
Shutdown function prior to process exit.
"""
log.info('Driver process shutting down.')
self.driver_module = None
self.driver_class = None
self.driver = None
def shutdown(self):
"""
Shutdown function prior to process exit.
"""
log.info('Driver process shutting down.')
self.driver_module = None
self.driver_class = None
self.driver = None
def rec_exception_callback(exception):
"""
Callback function to log exceptions and continue.
@param exception - Exception that occurred
"""
log.info("Exception occurred: %s", exception.message)
def exception_callback(self, exception):
"""
Store any exceptions that come into the exception callback
@param exception The exception that occurred
"""
log.info('Received exception: %r', exception)
self.exception_callback_value.append(exception)
def __init__(self, allowed, max_events=None, publish_interval=None):
self._allowed = allowed
self._deque = deque()
self._max_events = max_events if max_events else self.DEFAULT_MAX_EVENTS
self._publish_interval = publish_interval if publish_interval else self.DEFAULT_PUBLISH_INTERVAL
self._running = False
self._headers = {}
log.info('Publisher: max_events: %d publish_interval: %d', self._max_events, self._publish_interval)
def test_one(self):
particle_data_handler = parse(None, self.source_file_path, ParticleDataHandler())
log.info("SAMPLES: %s", particle_data_handler._samples)
log.info("FAILURE: %s", particle_data_handler._failure)
self.assertEquals(particle_data_handler._failure, False)
def rec_exception_callback(exception):
"""
Callback function to log exceptions and continue.
@param exception - Exception that occurred
"""
log.info("Exception occurred: %s", exception.message)
def test_recovered_deprecation(self):
particle_data_handler = parse_recovered(None, self.source_file_path, ParticleDataHandler())
log.info("SAMPLES: %s", particle_data_handler._samples)
log.info("FAILURE: %s", particle_data_handler._failure)
self.assertEquals(particle_data_handler._failure, False)
def _publish(self, events, headers):
for e in events:
try:
json.dumps(e)
except (ValueError, UnicodeDecodeError) as err:
log.exception('Unable to publish event: %r %r', e, err)
count = len(events)
self.total += count
log.info('Publish %d events (%d total)', count, self.total)
def shand(signum, frame):
now = time.time()
if now - self.int_time < INTERRUPT_REPEAT_INTERVAL:
self.stop_messaging()
else:
self.int_time = now
log.info(
'mi/core/instrument/driver_process.py DRIVER GOT SIGINT and is ignoring it...'
)
def __init__(self, allowed, max_events=None, publish_interval=None):
self._allowed = allowed
self._deque = deque()
self._max_events = max_events if max_events else self.DEFAULT_MAX_EVENTS
self._publish_interval = publish_interval if publish_interval else self.DEFAULT_PUBLISH_INTERVAL
self._running = False
self._headers = {}
log.info('Publisher: max_events: %d publish_interval: %d',
self._max_events, self._publish_interval)
def _publish(self, events, headers):
for e in events:
try:
json.dumps(e)
except (ValueError, UnicodeDecodeError) as err:
log.exception('Unable to publish event: %r %r', e, err)
count = len(events)
self.total += count
log.info('Publish %d events (%d total)', count, self.total)
def test_one(self):
particle_data_hdlr_obj = parse(Config().base_dir(), self.sourceFilePath,
ParticleDataHandler())
log.info("SAMPLES: %s", particle_data_hdlr_obj._samples)
log.info("FAILURE: %s", particle_data_hdlr_obj._failure)
self.assertEquals(particle_data_hdlr_obj._failure, False)
def _spawn(self, spawnargs):
"""
Launch a process using popen
@param spawnargs a list of arguments for the Popen command line.
The first argument must be a path to a
program and arguments much be in additional list elements.
@return subprocess.Popen object
"""
log.info('spawnargs: %s', spawnargs)
return subprocess.Popen(spawnargs, env=os.environ, close_fds=True)
def _spawn(self, spawnargs):
"""
Launch a process using popen
@param spawnargs a list of arguments for the Popen command line.
The first argument must be a path to a
program and arguments much be in additional list elements.
@return subprocess.Popen object
"""
log.info('spawnargs: %s', spawnargs)
return subprocess.Popen(spawnargs, env=os.environ, close_fds=True)
def test_one(self):
particle_data_hdlr_obj = parse(Config().base_dir(),
self.sourceFilePath,
ParticleDataHandler())
log.info("SAMPLES: %s", particle_data_hdlr_obj._samples)
log.info("FAILURE: %s", particle_data_hdlr_obj._failure)
self.assertEquals(particle_data_hdlr_obj._failure, False)
def _publish(self, events, headers):
msg_headers = self._merge_headers(headers)
# HACK!
self.connection.error = None
now = time.time()
message = qm.Message(content=json.dumps(events), content_type='text/plain', durable=True,
properties=msg_headers, user_id='guest')
self.sender.send(message, sync=True)
elapsed = time.time() - now
log.info('Published %d messages to QPID in %.2f secs', len(events), elapsed)
def _get_attribute_values(self):
attrNames = self.ATTR_NAMES
# see OOIION-631 note in test_platform_agent_with_rsn
from_time = ntplib.system_to_ntp_time(time.time() - 50)
req_attrs = [(attr_id, from_time) for attr_id in attrNames]
attr_values = self._plat_driver.get_attribute_values(req_attrs)
log.info("attr_values = %s" % str(attr_values))
self.assertIsInstance(attr_values, dict)
for attr_name in attrNames:
self.assertTrue(attr_name in attr_values)
self.assertIsInstance(attr_values[attr_name], list)
def _get_attribute_values(self):
attrNames = self.ATTR_NAMES
# see OOIION-631 note in test_platform_agent_with_rsn
from_time = ntplib.system_to_ntp_time(time.time() - 50)
req_attrs = [(attr_id, from_time) for attr_id in attrNames]
attr_values = self._plat_driver.get_attribute_values(req_attrs)
log.info("attr_values = %s" % str(attr_values))
self.assertIsInstance(attr_values, dict)
for attr_name in attrNames:
self.assertTrue(attr_name in attr_values)
self.assertIsInstance(attr_values[attr_name], list)
def zplsc_playback(self):
for index, filename in enumerate(self.reader.read()):
if filename:
self.set_header_filename(filename)
log.info("filename is: %s", filename)
if hasattr(self.protocol, 'got_filename'):
self.protocol.got_filename(filename)
pub_index = 0
while True:
self.publish()
pub_index = pub_index + 1
log.info("publish index is: %d", pub_index)
def check_parent(self):
"""
Test for existence of original parent process, if ppid specified.
"""
if self.ppid:
try:
os.kill(self.ppid, 0)
except OSError:
log.info('Driver process COULD NOT DETECT PARENT.')
return False
return True
def zplsc_playback(self):
for index, filename in enumerate(self.reader.read()):
if filename:
self.set_header_filename(filename)
log.info("filename is: %s", filename)
if hasattr(self.protocol, 'got_filename'):
self.protocol.got_filename(filename)
pub_index = 0
while True:
self.publish()
pub_index = pub_index + 1
log.info("publish index is: %d", pub_index)
def check_parent(self):
"""
Test for existence of original parent process, if ppid specified.
"""
if self.ppid:
try:
os.kill(self.ppid, 0)
except OSError:
log.info('Driver process COULD NOT DETECT PARENT.')
return False
return True
def _publish(self, events, headers):
msg_headers = self._merge_headers(headers)
now = time.time()
try:
publish = self.connection.ensure(self.producer, self.producer.publish, max_retries=4)
publish(json.dumps(events), headers=msg_headers, user_id=self.username,
declare=[self._queue], content_type='text/plain')
log.info('Published %d messages using KOMBU in %.2f secs with headers %r',
len(events), time.time() - now, msg_headers)
except Exception as e:
log.error('Exception attempting to publish events: %r', e)
return events
def start_web_service(oms_uri, alert_alarm_server_uri):
"""
This method gets the proxy for the OMS Server, registers this server
as a listener to the OMS and starts the Flask web service that will
listen for OMS Events from the OMS Server.
:param oms_uri: The URI of the OMS Server
:param alert_alarm_server_uri: The URI of this server.
:return:
"""
alert_alarm_server_port = int(
re.search('http://.+:(.+?)/', alert_alarm_server_uri).group(1))
if oms_uri == 'DEBUG':
log.info(
'DEBUG mode: OMS Alert Alarm Server not registering with OMS.')
else:
log.info('Getting the proxy for OMS server: %r', oms_uri)
proxy = xmlrpclib.ServerProxy(oms_uri)
log.info('Registering OMS Alerts & Alarms server as listener: %r',
alert_alarm_server_uri)
proxy.event.register_event_listener(alert_alarm_server_uri)
log.info('Listening for Alerts & Alarms on 0.0.0.0:%d',
alert_alarm_server_port)
app.run(host='0.0.0.0', port=alert_alarm_server_port)
def main():
options = docopt(__doc__)
qpid_url = options['<qpid_url>']
qpid_queue = options['<qpid_queue>']
rabbit_url = options['<rabbit_url>']
rabbit_queue = options['<rabbit_queue>']
rabbit_key = options['<rabbit_key>']
log.info('Starting shovel: %r', options)
qpid = QpidProducer(qpid_url, qpid_queue)
rabbit = RabbitConsumer(rabbit_url, rabbit_queue, rabbit_key, qpid)
reporter = StatsReporter(rabbit)
reporter.daemon = True
reporter.start()
rabbit.run()
def _publish(self, events, headers):
msg_headers = self._merge_headers(headers)
# HACK!
self.connection.error = None
now = time.time()
message = qm.Message(content=json.dumps(events),
content_type='text/plain',
durable=True,
properties=msg_headers,
user_id='guest')
self.sender.send(message, sync=True)
elapsed = time.time() - now
log.info('Published %d messages to QPID in %.2f secs', len(events),
elapsed)
def stop_messaging(self):
"""
Close messaging resources for the driver process client. Close
ZMQ command socket and terminate command context. Set flag to
cause event thread to close event socket and context and terminate.
Await event thread completion and return.
"""
if self.event_thread:
self.stop_event_thread = True
self.event_thread.join()
self.event_thread = None
if self.zmq_context:
self.zmq_context.destroy(linger=1)
self.zmq_context = None
self.evt_callback = None
log.info('Driver client messaging closed.')
def stop_messaging(self):
"""
Close messaging resources for the driver process client. Close
ZMQ command socket and terminate command context. Set flag to
cause event thread to close event socket and context and terminate.
Await event thread completion and return.
"""
if self.event_thread:
self.stop_event_thread = True
self.event_thread.join()
self.event_thread = None
if self.zmq_context:
self.zmq_context.destroy(linger=1)
self.zmq_context = None
self.evt_callback = None
log.info('Driver client messaging closed.')
def filter_events(self, events):
if self._allowed is not None and isinstance(self._allowed, list):
log.info('Filtering %d events with: %r', len(events), self._allowed)
new_events = []
dropped = 0
for event in events:
if event.get('type') == DriverAsyncEvent.SAMPLE:
if event.get('value', {}).get('stream_name') in self._allowed:
new_events.append(event)
else:
dropped += 1
else:
new_events.append(event)
log.info('Dropped %d unallowed particles', dropped)
return new_events
return events
def _write(self):
dataframes = self.to_dataframes()
for particle_type in dataframes:
# very large dataframes don't work with pickle
# split if too large
df = dataframes[particle_type]
max_size = 5000000
if len(df) > max_size:
num_slices = len(df) / max_size
slices = np.array_split(df, num_slices)
for index, df_slice in enumerate(slices):
file_path = '%s_%d.pd' % (particle_type, index)
df_slice.to_pickle(file_path)
else:
log.info('length of dataframe: %d', len(df))
file_path = '%s.pd' % particle_type
dataframes[particle_type].to_pickle(file_path)
def _write(self):
dataframes = self.to_dataframes()
for particle_type in dataframes:
# very large dataframes don't work with pickle
# split if too large
df = dataframes[particle_type]
max_size = 5000000
if len(df) > max_size:
num_slices = len(df) / max_size
slices = np.array_split(df, num_slices)
for index, df_slice in enumerate(slices):
file_path = '%s_%d.pd' % (particle_type, index)
df_slice.to_pickle(file_path)
else:
log.info('length of dataframe: %d', len(df))
file_path = '%s.pd' % particle_type
dataframes[particle_type].to_pickle(file_path)
def test_real_file_2(self):
"""
The file used in this test, is a real file from the acquisition server.
It contains 9 pH records:
Verify that 9 instrument particles and one metadata particle are generated
from the real file.
"""
log.debug('===== START TEST REAL 2 FILE =====')
num_particles_to_request = 10
num_expected_particles = 10
with open(os.path.join(RESOURCE_PATH, 'phsen1_20140725_192532.DAT'), O_MODE) as file_handle:
parser = PhsenAbcdefImodemParser(self._recovered_parser_config,
file_handle,
self.exception_callback)
particles = parser.get_records(num_particles_to_request)
log.info(len(particles))
self.assertEquals(len(particles), num_expected_particles)
self.assert_particles(particles, "phsen1_20140725_192532_rec.yml", RESOURCE_PATH)
self.assertEquals(self.exception_callback_value, [])
with open(os.path.join(RESOURCE_PATH, 'phsen1_20140725_192532.DAT'), O_MODE) as file_handle:
parser = PhsenAbcdefImodemParser(self._telemetered_parser_config,
file_handle,
self.exception_callback)
particles = parser.get_records(num_particles_to_request)
log.info(len(particles))
self.assertEquals(len(particles), num_expected_particles)
self.assert_particles(particles, "phsen1_20140725_192532_tel.yml", RESOURCE_PATH)
self.assertEquals(self.exception_callback_value, [])
log.debug('===== END TEST REAL 2 FILE =====')
def filter_events(self, events):
if self._allowed is not None and isinstance(self._allowed, list):
log.info('Filtering %d events with: %r', len(events),
self._allowed)
new_events = []
dropped = 0
for event in events:
if event.get('type') == DriverAsyncEvent.SAMPLE:
if event.get('value',
{}).get('stream_name') in self._allowed:
new_events.append(event)
else:
dropped += 1
else:
new_events.append(event)
log.info('Dropped %d unallowed particles', dropped)
return new_events
return events
def run(self):
while True:
queue_name, queue_depth, sent_count = self.rabbit.get_current_queue_depth(
)
now = time.time()
if self.last_time is not None:
elapsed = now - self.last_time
if elapsed > 0:
rate = float(sent_count - self.last_count) / elapsed
else:
rate = -1
log.info('Queue: %s Depth: %d Sent Count: %d Rate: %.2f/s',
queue_name, queue_depth, sent_count, rate)
self.last_time = now
self.last_count = sent_count
time.sleep(self.report_interval)
def construct_driver(self):
"""
Attempt to import and construct the driver object based on
configuration.
@retval True if successful, False otherwise.
"""
try:
module = importlib.import_module(self.driver_module)
driver_class = getattr(module, self.driver_class)
self.driver = driver_class(self.send_event)
log.info('Imported and created driver from module: %r class: %r driver: %r',
module, driver_class, self.driver)
return True
except Exception as e:
log.error('Could not import/construct driver module %s, class %s.',
self.driver_module, self.driver_class)
log.error('%s' % str(e))
return False
def construct_driver(self):
"""
Attempt to import and construct the driver object based on
configuration.
@retval True if successful, False otherwise.
"""
try:
module = importlib.import_module(self.driver_module)
driver_class = getattr(module, self.driver_class)
self.driver = driver_class(self.send_event)
log.info(
'Imported and created driver from module: %r class: %r driver: %r',
module, driver_class, self.driver)
return True
except Exception as e:
log.error('Could not import/construct driver module %s, class %s.',
self.driver_module, self.driver_class)
log.error('%s' % str(e))
return False
def read(self):
while True:
if self._filehandle is None and not self.files:
log.info('Completed reading specified port agent logs, exiting...')
raise StopIteration
if self._filehandle is None:
name = self.files.pop(0)
log.info('Begin reading: %r', name)
# yield the filename so we can pass it through to the driver
yield name
self.file_name_list.append(name)
self._filehandle = open(name, 'r')
if not self._process_packet():
self._filehandle.close()
self._filehandle = None
yield
def read(self):
while True:
if self._filehandle is None and not self.files:
log.info('Completed reading specified port agent logs, exiting...')
raise StopIteration
if self._filehandle is None:
name = self.files.pop(0)
log.info('Begin reading: %r', name)
# yield the filename so we can pass it through to the driver
yield name
self.file_name_list.append(name)
self._filehandle = open(name, 'r')
if not self._process_packet():
self._filehandle.close()
self._filehandle = None
yield
def process_oms_request():
"""
This is the method that is called when the OMS POSTs OMS Events to
this registered listener at the "/" path.
:return:
"""
if isinstance(request.json, list):
# Log the list of Alert & Alarm messages from the OMS Event
for alert_alarm_dict in request.json:
aa_publisher.enqueue(alert_alarm_dict)
log.info('oms_alert_alarm_server: OMS_AA_MSG: %r', alert_alarm_dict)
# Publish the list of Alert & Alarm messages to qpid
aa_publisher.publish()
else:
log.error('No data in the POSTed alert/alarm OMS Event ...')
return '', httplib.ACCEPTED
def _publish(self, events, headers):
msg_headers = self._merge_headers(headers)
now = time.time()
try:
publish = self.connection.ensure(self.producer,
self.producer.publish,
max_retries=4)
publish(json.dumps(events),
headers=msg_headers,
user_id=self.username,
declare=[self._queue],
content_type='text/plain')
log.info(
'Published %d messages using KOMBU in %.2f secs with headers %r',
len(events),
time.time() - now, msg_headers)
except Exception as e:
log.error('Exception attempting to publish events: %r', e)
return events
def process_oms_request():
"""
This is the method that is called when the OMS POSTs OMS Events to
this registered listener at the "/" path.
:return:
"""
if isinstance(request.json, list):
# Log the list of Alert & Alarm messages from the OMS Event
for alert_alarm_dict in request.json:
aa_publisher.enqueue(alert_alarm_dict)
log.info('oms_alert_alarm_server: OMS_AA_MSG: %r',
alert_alarm_dict)
# Publish the list of Alert & Alarm messages to qpid
aa_publisher.publish()
else:
log.error('No data in the POSTed alert/alarm OMS Event ...')
return '', httplib.ACCEPTED
def connect(self):
delay = 1
max_delay = 60
while True:
try:
connection = qm.Connection(self.url,
reconnect=False,
username=self.username,
password=self.password)
connection.open()
session = connection.session()
self.sender = session.sender(
'%s; {create: always, node: {type: queue, durable: true}}'
% self.queue)
log.info('Shovel connected to QPID')
return
except qm.ConnectError:
log.error('Shovel QPID connection error. Sleep %d seconds',
delay)
time.sleep(delay)
delay = min(max_delay, delay * 2)
def run(self):
"""
Process entry point. Construct driver and start messaging loops.
Periodically check messaging is going and parent exists if
specified.
"""
from mi.core.log import LoggerManager
LoggerManager()
log.info('Driver process started.')
# noinspection PyUnusedLocal
def shand(signum, frame):
now = time.time()
if now - self.int_time < INTERRUPT_REPEAT_INTERVAL:
self.stop_messaging()
else:
self.int_time = now
log.info(
'mi/core/instrument/driver_process.py DRIVER GOT SIGINT and is ignoring it...'
)
signal.signal(signal.SIGINT, shand)
if self.driver is not None or self.construct_driver():
self.start_messaging()
while self.messaging_started:
if self.check_parent():
time.sleep(2)
else:
self.stop_messaging()
break
self.shutdown()
time.sleep(1)
os._exit(0)
def run(self):
"""
Process entry point. Construct driver and start messaging loops.
Periodically check messaging is going and parent exists if
specified.
"""
from mi.core.log import LoggerManager
LoggerManager()
log.info('Driver process started.')
# noinspection PyUnusedLocal
def shand(signum, frame):
now = time.time()
if now - self.int_time < INTERRUPT_REPEAT_INTERVAL:
self.stop_messaging()
else:
self.int_time = now
log.info('mi/core/instrument/driver_process.py DRIVER GOT SIGINT and is ignoring it...')
signal.signal(signal.SIGINT, shand)
if self.driver is not None or self.construct_driver():
self.start_messaging()
while self.messaging_started:
if self.check_parent():
time.sleep(2)
else:
self.stop_messaging()
break
self.shutdown()
time.sleep(1)
os._exit(0)
def start_web_service(oms_uri, alert_alarm_server_uri):
"""
This method gets the proxy for the OMS Server, registers this server
as a listener to the OMS and starts the Flask web service that will
listen for OMS Events from the OMS Server.
:param oms_uri: The URI of the OMS Server
:param alert_alarm_server_uri: The URI of this server.
:return:
"""
alert_alarm_server_port = int(re.search('http://.+:(.+?)/', alert_alarm_server_uri).group(1))
if oms_uri == 'DEBUG':
log.info('DEBUG mode: OMS Alert Alarm Server not registering with OMS.')
else:
log.info('Getting the proxy for OMS server: %r', oms_uri)
proxy = xmlrpclib.ServerProxy(oms_uri)
log.info('Registering OMS Alerts & Alarms server as listener: %r', alert_alarm_server_uri)
proxy.event.register_event_listener(alert_alarm_server_uri)
log.info('Listening for Alerts & Alarms on 0.0.0.0:%d', alert_alarm_server_port)
app.run(host='0.0.0.0', port=alert_alarm_server_port)
def fix_yml_float_params(self):
"""
This helper tool was used to modify the yml files in response to ticket #8564
"""
param_change_table = [
('battery_voltage', 'battery_voltage_dV', 10),
('sound_speed_analog2', 'sound_speed_dms', 10),
('heading', 'heading_decidegree', 10),
('pitch', 'pitch_decidegree', 10),
('roll', 'roll_decidegree', 10),
('pressure_mbar', 'pressure_mbar', 1),
('temperature', 'temperature_centidegree', 100),
('velocity_beam1', 'velocity_beam1', 1),
('velocity_beam2', 'velocity_beam2', 1),
('velocity_beam3', 'velocity_beam3', 1)
]
for file_name in os.listdir(RESOURCE_PATH):
if file_name.endswith('.yml'):
with open(os.path.join(RESOURCE_PATH, file_name), 'rU') as in_file_id:
out_file_name = file_name + '.new'
log.info('fixing file %s', file_name)
log.info('creating file %s', out_file_name)
out_file_id = open(os.path.join(RESOURCE_PATH, out_file_name), 'w')
for line in in_file_id:
new_line = line
for param_name, new_name, mult in param_change_table:
param_regex = r'\s+' + param_name + r':\s+(' + FLOAT_REGEX + ')' + END_OF_LINE_REGEX
match = re.match(param_regex, line)
if match is not None:
new_value = int(float(match.group(1)) * mult)
new_line = ' ' + new_name + ': ' + str(new_value) + '\n'
log.info('%s', new_line)
out_file_id.write(new_line)
out_file_id.close()
def start_messaging(self, evt_callback=None):
"""
Initialize and start messaging resources for the driver process client.
Initializes command socket for sending requests,
and starts event thread that listens for events from the driver
process independently of command request-reply.
"""
self.zmq_context = zmq.Context()
self.zmq_cmd_socket = self.zmq_context.socket(zmq.REQ)
self.zmq_cmd_socket.connect(self.cmd_host_string)
log.info('Driver client cmd socket connected to %s.' %
self.cmd_host_string)
self.zmq_evt_socket = self.zmq_context.socket(zmq.SUB)
self.zmq_evt_socket.connect(self.event_host_string)
self.zmq_evt_socket.setsockopt(zmq.SUBSCRIBE, '')
log.info('Driver client event thread connected to %s.' %
self.event_host_string)
self.evt_callback = evt_callback
def recv_evt_messages():
"""
A looping function that monitors a ZMQ SUB socket for asynchronous
driver events. Can be run as a thread or greenlet.
@param driver_client The client object that launches the thread.
"""
self.stop_event_thread = False
while not self.stop_event_thread:
try:
evt = self.zmq_evt_socket.recv_pyobj(flags=zmq.NOBLOCK)
log.debug('got event: %s' % str(evt))
if self.evt_callback:
self.evt_callback(evt)
except zmq.ZMQError:
time.sleep(.5)
except Exception, e:
log.error('Driver client error reading from zmq event socket: ' + str(e))
log.error('Driver client error type: ' + str(type(e)))
log.info('Client event socket closed.')
def get_date_dirs(self, subsite, deployment):
"""
This method will generate the path to the directory of date directories
in the format of YYYYMM.
Exceptions raised by this method:
OSError
ValueError
:param subsite: The subsite of the ZPLSC instrument.
:param deployment: The deployment number of the data of interest.
:return: echogram_dates: The mapping of echogram dates to the entire month flag
date_dirs_path: The path to the date directories.
"""
# Generate the portion of the path up to the DCL directory to get the all the instrument sub-directories.
deployment_dir = os.path.join(self.raw_data_dir, subsite.upper(), 'R%05d' % deployment)
dcl_path = ''
instrument_dirs = ''
for dcl_rel_path in DCL_PATHS:
dcl_path = os.path.join(deployment_dir, dcl_rel_path)
try:
instrument_dirs = self.get_dir_contents(dcl_path, True)
break
except OSError:
log.info('Could not find path: %s: checking alternate path', dcl_path)
if dcl_path is DCL_PATHS[-1]:
raise
# Generate the portion of the path up to the ZPLSC Instrument serial number.
serial_num_found = None
for instrument in instrument_dirs:
serial_num_found = SERIAL_NUM_DIR_MATCHER.match(instrument)
if serial_num_found:
break
if serial_num_found is None:
log.warning('Could not find ZPLSC data for subsite: %s and recovered deployment: %s', subsite, deployment)
raise OSError
self.serial_num = serial_num_found.group(1)
serial_num_dir = os.path.join(dcl_path, serial_num_found.group())
sub_dirs = self.get_dir_contents(serial_num_dir)
# Generate the portion of the path that contains the recovered data path.
recovered_path = RECOVERED_DIR % (subsite.lower(), self.serial_num)
recovered_dir = ''
for sub_dir in sub_dirs:
if sub_dir.startswith(recovered_path):
recovered_dir = sub_dir
break
if recovered_dir:
# Create the raw data path including the recovered path
date_dirs_path = os.path.join(serial_num_dir, recovered_dir, DATA_PATH)
else:
log.warning('Could not find ZPLSC recovered data path starting with: %s', recovered_path)
raise OSError
# If no dates were entered on the command line, get the entire list of date directories.
echogram_dates = self.echogram_dates
if not echogram_dates:
echogram_dates = {}
# Get all the year/month date subdirectories for this subsite/deployment the get contents of the directory.
date_dirs = self.get_dir_contents(date_dirs_path, True)
date_dirs = [(date_dir[:4], date_dir[4:]) for date_dir in date_dirs]
# If in process mode, get the latest date that has 24 1-hour data files for echogram generation.
if self.process_mode:
echogram_dates[self.get_latest_echogram_date(date_dirs_path, date_dirs)] = False
# Otherwise, get all the year/month date subdirectories for this subsite and deployment.
else:
for date_dir in date_dirs:
year = int(date_dir[0])
month = int(date_dir[1])
# Save the date and indicate that the entire month should be generated.
echogram_dates[date(year, month, 1)] = True
return echogram_dates, date_dirs_path