def get_by_id(self, message_id):
# FIXME: add documentation
# FIXME: add tests
column_key = self.str_to_column_key(message_id)
row_key = ymdhm_from_uuid1(column_key[0])
try:
json_str = self._get_cf_logs().get(row_key, columns=[column_key])[column_key]
except NotFoundException:
return None
return json.loads(json_str)
def get_by_id(self, message_id):
# FIXME: add documentation
# FIXME: add tests
column_key = self.str_to_column_key(message_id)
row_key = ymdhm_from_uuid1(column_key[0])
try:
json_str = self._get_cf_logs().get(row_key, columns=[column_key
])[column_key]
except NotFoundException:
return None
return json.loads(json_str)
def save_log(self,
application,
host,
severity,
timestamp,
message,
multi_message=False,
multimessage_id=None):
"""
Saves a log message.
Raises:
- DaedalusException if any parameter isn't valid.
Returns:
- tuple with (row_key, column_key, multimessage_id)
"""
_check_application(application)
_check_severity(severity)
_check_host(host)
_check_message(message)
try:
timestamp = float(timestamp)
except:
raise (DaedalusException(
"The timestamp '{0}' couldn't be "
"transformed to a float".format(timestamp)))
assert multi_message in (
True,
False,
)
event_uuid = convert_time_to_uuid(timestamp, randomize=True)
column_key = (event_uuid, host, application, severity)
_id = ','.join((
event_uuid.get_hex(),
host,
application,
severity,
))
if not application in self._app_cache:
self._app_cache[application] = True
self._get_cf_metadata().insert('applications', {application: ''})
if not host in self._host_cache:
self._host_cache[host] = True
self._get_cf_metadata().insert('hosts', {host: ''})
row_key = ymdhm_from_uuid1(event_uuid)
key_for_bitmap = int(row_key)
if not key_for_bitmap in self._timestamp_bitmap_cache:
self._timestamp_bitmap_cache[key_for_bitmap] = True
self._get_cf_timestamp_bitmap().insert('timestamp_bitmap',
{key_for_bitmap: ''})
message_dict = {
'application': application,
'host': host,
'severity': severity,
'timestamp': timestamp,
'_id': _id,
'message': message,
}
if multi_message: # this message is part of a multi-message
if multimessage_id:
# The multi-message key was passed as parameter
message_dict['multimessage_id'] = multimessage_id
else:
message_dict['multimessage_id'] = ','.join([row_key, _id])
self._get_cf_logs().insert(row_key, {
column_key: json.dumps(message_dict),
})
return (row_key, column_key, message_dict.get('multimessage_id', None))
def _get_bitmap_key_from_event_uuid(self, event_uuid):
row_key = ymdhm_from_uuid1(event_uuid)
key_for_bitmap = int(row_key)
return key_for_bitmap
def save_log(self, application, host, severity, timestamp, message,
multi_message=False, multimessage_id=None):
"""
Saves a log message.
Raises:
- DaedalusException if any parameter isn't valid.
Returns:
- tuple with (row_key, column_key, multimessage_id)
"""
_check_application(application)
_check_severity(severity)
_check_host(host)
_check_message(message)
try:
timestamp = float(timestamp)
except:
raise(DaedalusException("The timestamp '{0}' couldn't be "
"transformed to a float".format(timestamp)))
assert multi_message in (True, False,)
event_uuid = convert_time_to_uuid(timestamp, randomize=True)
column_key = (event_uuid, host, application, severity)
_id = ','.join((event_uuid.get_hex(), host, application, severity, ))
if not application in self._app_cache:
self._app_cache[application] = True
self._get_cf_metadata().insert('applications', {application: ''})
if not host in self._host_cache:
self._host_cache[host] = True
self._get_cf_metadata().insert('hosts', {host: ''})
row_key = ymdhm_from_uuid1(event_uuid)
key_for_bitmap = int(row_key)
if not key_for_bitmap in self._timestamp_bitmap_cache:
self._timestamp_bitmap_cache[key_for_bitmap] = True
self._get_cf_timestamp_bitmap().insert('timestamp_bitmap', {key_for_bitmap: ''})
message_dict = {
'application': application,
'host': host,
'severity': severity,
'timestamp': timestamp,
'_id': _id,
'message': message,
}
if multi_message: # this message is part of a multi-message
if multimessage_id:
# The multi-message key was passed as parameter
message_dict['multimessage_id'] = multimessage_id
else:
message_dict['multimessage_id'] = ','.join([row_key, _id])
self._get_cf_logs().insert(row_key, {
column_key: json.dumps(message_dict),
})
return (row_key, column_key, message_dict.get('multimessage_id', None))
def _get_bitmap_key_from_event_uuid(self, event_uuid):
row_key = ymdhm_from_uuid1(event_uuid)
key_for_bitmap = int(row_key)
return key_for_bitmap
