def __init__(self, configuration):
self.config = configuration
self.input = None
self.parser = None
self.metadata = None
# Input is required
arguments = {}
if 'arguments' in self.config['input']:
arguments = self.config['input']['arguments']
if self.config['input']['type'] == 'command':
self.input = CommandRunner(**arguments)
elif self.config['input']['type'] == 'file':
self.input = FileReader(**arguments)
elif self.config['input']['type'] == 'http':
self.input = HTTPReader(**arguments)
elif self.config['input']['type'] == 'class':
self.input = init_object(self.config['input']['name'], **arguments)
elif self.config['input']['type'] == 'tailer':
if 'tailer' in config:
self.input = Tailer(config['tailer'])
else:
raise AttributeError(
"Missing tailer in config file for tailer type input")
assert self.input
# parser is optional for parsing data collected by input
if 'parser' in self.config:
arguments = {}
if 'arguments' in self.config['parser']:
arguments = self.config['parser']['arguments']
if self.config['parser']['type'] == 'match':
self.parser = MatchParser(
self.config['parser']['pattern'].strip(),
self.config['parser']['transform'].strip())
elif self.config['parser']['type'] == 'split':
self.parser = SplitParser(
self.config['parser']['delimiter'].strip(),
self.config['parser']['transform'].strip())
elif self.config['parser']['type'] == 'dummy':
self.parser = DummyParser()
elif self.config['parser']['type'] == 'json':
self.parser = JsonGrepParser(**arguments)
elif self.config['parser']['type'] == 'class':
self.parser = init_object(self.config['parser']['name'],
**arguments)
self._max_error_count = self.config['input'].get('max_error_count', -1)
self._current_data = None
self._number_collected = 0
self._number_failed = 0
self._error_count = 0
self._output = create_output(config['output'])
if 'metadata' in self.config:
self.metadata = self.config['metadata']
def __init__(self, collector_name, config, output, tailer):
threading.Thread.__init__(self, name=collector_name)
self.__collector_name=collector_name
self.__config=config
self.__sleep_time=self.__config['input'].get('frequency',10)
self.__cron=self.__config['input'].get('schedule',None)
self.__schedule=None
if self.__cron is not None:
self.__schedule=CronEvent(self.__cron)
log.debug("job scheduled at %s"%self.__schedule.numerical_tab)
self.__input=None
self.__parser=None
self.__output=output
if self.__config['input']['type']=='command':
self.__input=CommandRunner(self.__config['input']['source'])
elif self.__config['input']['type']=='file':
self.__input=FileReader(self.__config['input']['path'])
elif self.__config['input']['type']=='http':
#log.debug('input %s'%self.__config['input'])
url=self.__config['input']['url']
headers=self.__config['input'].get('headers', {})
#log.debug('headers %s'%headers)
auth=self.__config['input'].get('auth', None)
self.__input=HTTPReader(url, headers, auth)
elif self.__config['input']['type']=='class':
arguments={}
if 'arguments' in self.__config['input']:
arguments=self.__config['input']['arguments']
self.__input=init_object(self.__config['input']['name'], **arguments)
elif self.__config['input']['type']=='tailer':
self.__input=tailer
if 'parser' in self.__config:
if self.__config['parser']['type']=='match':
self.__parser=MatchParser(self.__config['parser']['pattern'].strip(), self.__config['parser']['transform'].strip())
elif self.__config['parser']['type']=='split':
self.__parser=SplitParser(self.__config['parser']['delimiter'].strip(), self.__config['parser']['transform'].strip())
elif self.__config['parser']['type']=='dummy':
self.__parser=DummyParser()
elif self.__config['parser']['type']=='json':
arguments={}
if 'arguments' in self.__config['parser']:
arguments=self.__config['parser']['arguments']
self.__parser=JsonGrepParser(**arguments)
elif self.__config['parser']['type']=='class':
arguments={}
if 'arguments' in self.__config['parser']:
arguments=self.__config['parser']['arguments']
self.__parser=init_object(self.__config['parser']['name'], **arguments)
self.__running=True
self.__session_id=str(uuid.uuid4())
self.__max_error_count=self.__config['input'].get('max_error_count', -1)
self.__current_data=None
self.__number_collected=0
self.__number_failed=0
self.__sleep_count=0
self.__error_count=0
self.__last_check_minute=-1
def init(self):
if 'global' in config:
global_vars=config['global']
set_global(global_vars)
for n,cfg in config['output'].iteritems():
if n=='buffer':
if not 'directory' in cfg:
print("ERROR: buffer directory not specified in config.")
return False
buffer_dir=cfg['directory']
if os.path.exists(buffer_dir) and (not os.path.isdir(buffer_dir)):
print("ERROR: buffer directory exists but it is not a directory.")
return False
if not os.path.exists(buffer_dir):
log.info("Creating buffer directory %s." % buffer_dir)
os.makedirs(buffer_dir)
self.__outputs[n]=BufferOutput(cfg)
elif n=='kafka-http':
self.__outputs[n]=KafkaHTTPOutput(cfg)
elif n=='file':
self.__outputs[n]=FileOutput(cfg)
elif 'class' in cfg:
arguments={}
if 'arguments' in cfg:
arguments=cfg['arguments']
self.__outputs[n]=init_object(cfg['class'], **arguments)
if 'pusher' in config:
if not 'directory' in config['pusher'] or not 'output' in config['pusher']:
print("ERROR: need to speficity directory and output in pusher.")
return False
if 'tailer' in config:
self.__tailer=Tailer(config['tailer'])
return True
def create_output(config):
"""Create an output object"""
# all output classes take one single config argument
# this is different to input classes
arguments = {}
if 'arguments' in config:
arguments = config['arguments']
return init_object(config['class'], arguments)
def create_input(input_config, **kwargs):
# Only support class type now
# these class needs to take whatever caller set
if 'class' in input_config:
class_name = input_config['class']
else:
assert input_config['type'] == 'class'
class_name = input_config['name']
if kwargs is None:
if 'arguments' in input_config:
kwargs = input_config['arguments']
return init_object(class_name, **kwargs)
def __init__(self, collector_name, config, output, tailer=None):
threading.Thread.__init__(self, name=collector_name)
self.__collector_name=collector_name
self.__config=config
self.__sleep_time=self.__config['input'].get('frequency',10)
self.__cron=self.__config['input'].get('schedule',None)
self.__schedule=None
if self.__cron is not None:
self.__schedule=CronEvent(self.__cron)
log.debug("job scheduled at %s"%self.__schedule.numerical_tab)
self.__input=None
self.__parser=None
self.__output=output
if self.__config['input']['type']=='command':
self.__input=CommandRunner(self.__config['input']['source'])
elif self.__config['input']['type']=='file':
self.__input=FileReader(self.__config['input']['path'])
elif self.__config['input']['type']=='http':
#log.debug('input %s'%self.__config['input'])
url=self.__config['input']['url']
headers=self.__config['input'].get('headers', {})
#log.debug('headers %s'%headers)
auth=self.__config['input'].get('auth', None)
self.__input=HTTPReader(url, headers, auth)
elif self.__config['input']['type']=='class':
arguments={}
if 'arguments' in self.__config['input']:
arguments=self.__config['input']['arguments']
self.__input=init_object(self.__config['input']['name'], **arguments)
elif self.__config['input']['type']=='tailer':
if tailer is None:
raise AttributeError("Missing tailer in config file for tailer type input")
self.__input=tailer
assert(self.__input)
if 'parser' in self.__config:
if self.__config['parser']['type']=='match':
self.__parser=MatchParser(self.__config['parser']['pattern'].strip(), self.__config['parser']['transform'].strip())
elif self.__config['parser']['type']=='split':
self.__parser=SplitParser(self.__config['parser']['delimiter'].strip(), self.__config['parser']['transform'].strip())
elif self.__config['parser']['type']=='dummy':
self.__parser=DummyParser()
elif self.__config['parser']['type']=='json':
arguments={}
if 'arguments' in self.__config['parser']:
arguments=self.__config['parser']['arguments']
self.__parser=JsonGrepParser(**arguments)
elif self.__config['parser']['type']=='class':
arguments={}
if 'arguments' in self.__config['parser']:
arguments=self.__config['parser']['arguments']
self.__parser=init_object(self.__config['parser']['name'], **arguments)
self.__running=True
self.__session_id=str(uuid.uuid4())
self.__max_error_count=self.__config['input'].get('max_error_count', -1)
self.__current_data=None
self.__number_collected=0
self.__number_failed=0
self.__sleep_count=0
self.__error_count=0
self.__last_check_minute=-1