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Merged
stefanDeveloper merged 7 commits into from
Apr 22, 2025
Merged

Update collector #73

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b47258b
Remove queue from LogCollector
lamr02n Feb 24, 2025
c7c769d
Remove old store method
lamr02n Apr 7, 2025
9a12fe0
Update tests
lamr02n Apr 7, 2025
74cf70a
Update tests
lamr02n Apr 16, 2025
22c31e6
Update tests
lamr02n Apr 22, 2025
7f4b46c
Merge branch 'main' into update-collector
lamr02n Apr 22, 2025
6dbfc2a
Update add method in clickhouse_batch_sender.py
lamr02n Apr 22, 2025
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176 changes: 59 additions & 117 deletions src/logcollector/collector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,22 +66,19 @@ async def start(self) -> None:
)

task_fetch = asyncio.Task(self.fetch())
task_send = asyncio.Task(self.send())

try:
await asyncio.gather(
task_fetch,
task_send,
)
except KeyboardInterrupt:
task_fetch.cancel()
task_send.cancel()

logger.info("LogCollector stopped.")

async def fetch(self) -> None:
"""Starts a loop to continuously listen on the configured Kafka topic. If a message is consumed, it is
decoded and stored."""
decoded and sent."""
loop = asyncio.get_running_loop()

while True:
Expand All @@ -90,134 +87,79 @@ async def fetch(self) -> None:
)
logger.debug(f"From Kafka: '{value}'")

await self.store(datetime.datetime.now(), value)
self.send(datetime.datetime.now(), value)

async def send(self) -> None:
"""Continuously sends the next logline in JSON format to the BatchSender, where it is stored in
def send(self, timestamp_in: datetime.datetime, message: str) -> None:
"""Sends the logline in JSON format to the BatchSender, where it is stored in
a temporary batch before being sent to the :class:`Prefilter`. Adds the subnet ID to the message.

Args:
timestamp_in (datetime.datetime): Timestamp of entering the pipeline
message (str): Message to be stored
"""

try:
while True:
if not self.loglines.empty():
timestamp_in, logline = await self.loglines.get()

self.fill_levels.insert(
dict(
timestamp=datetime.datetime.now(),
stage=module_name,
entry_type="total_loglines",
entry_count=self.loglines.qsize(),
)
)

try:
fields = self.logline_handler.validate_logline_and_get_fields_as_json(
logline
)
except ValueError:
self.failed_dns_loglines.insert(
dict(
message_text=logline,
timestamp_in=timestamp_in,
timestamp_failed=datetime.datetime.now(),
reason_for_failure=None, # TODO: Add actual reason
)
)
continue

subnet_id = self._get_subnet_id(
ipaddress.ip_address(fields.get("client_ip"))
)

additional_fields = fields.copy()
for field in REQUIRED_FIELDS:
additional_fields.pop(field)

logline_id = uuid.uuid4()

self.dns_loglines.insert(
dict(
logline_id=logline_id,
subnet_id=subnet_id,
timestamp=datetime.datetime.strptime(
fields.get("timestamp"), TIMESTAMP_FORMAT
),
status_code=fields.get("status_code"),
client_ip=fields.get("client_ip"),
record_type=fields.get("record_type"),
additional_fields=json.dumps(additional_fields),
)
)

self.logline_timestamps.insert(
dict(
logline_id=logline_id,
stage=module_name,
status="in_process",
timestamp=timestamp_in,
is_active=True,
)
)

message_fields = fields.copy()
message_fields["logline_id"] = str(logline_id)

self.logline_timestamps.insert(
dict(
logline_id=logline_id,
stage=module_name,
status="finished",
timestamp=datetime.datetime.now(),
is_active=True,
)
)

self.batch_handler.add_message(
subnet_id, json.dumps(message_fields)
)
logger.debug(f"Sent: '{logline}'")
else:
await asyncio.sleep(0.1)
except KeyboardInterrupt:
while not self.loglines.empty():
logline = await self.loglines.get()

self.fill_levels.insert(
dict(
timestamp=datetime.datetime.now(),
stage=module_name,
entry_type="total_loglines",
entry_count=self.loglines.qsize(),
)
fields = self.logline_handler.validate_logline_and_get_fields_as_json(
message
)
except ValueError:
self.failed_dns_loglines.insert(
dict(
message_text=message,
timestamp_in=timestamp_in,
timestamp_failed=datetime.datetime.now(),
reason_for_failure=None, # TODO: Add actual reason
)
)
return

fields = self.logline_handler.validate_logline_and_get_fields_as_json(
logline
)
subnet_id = self._get_subnet_id(
ipaddress.ip_address(fields.get("client_ip"))
)
additional_fields = fields.copy()
for field in REQUIRED_FIELDS:
additional_fields.pop(field)

self.batch_handler.add_message(subnet_id, json.dumps(fields))
subnet_id = self._get_subnet_id(ipaddress.ip_address(fields.get("client_ip")))
logline_id = uuid.uuid4()

async def store(self, timestamp_in: datetime.datetime, message: str):
"""Stores the message temporarily.
self.dns_loglines.insert(
dict(
logline_id=logline_id,
subnet_id=subnet_id,
timestamp=datetime.datetime.strptime(
fields.get("timestamp"), TIMESTAMP_FORMAT
),
status_code=fields.get("status_code"),
client_ip=fields.get("client_ip"),
record_type=fields.get("record_type"),
additional_fields=json.dumps(additional_fields),
)
)

Args:
timestamp_in (datetime.datetime): Timestamp of entering the pipeline
message (str): Message to be stored
"""
await self.loglines.put((timestamp_in, message))
self.logline_timestamps.insert(
dict(
logline_id=logline_id,
stage=module_name,
status="in_process",
timestamp=timestamp_in,
is_active=True,
)
)

self.fill_levels.insert(
message_fields = fields.copy()
message_fields["logline_id"] = str(logline_id)

self.logline_timestamps.insert(
dict(
timestamp=datetime.datetime.now(),
logline_id=logline_id,
stage=module_name,
entry_type="total_loglines",
entry_count=self.loglines.qsize(),
status="finished",
timestamp=datetime.datetime.now(),
is_active=True,
)
)

self.batch_handler.add_message(subnet_id, json.dumps(message_fields))
logger.debug(f"Sent: '{message}'")

@staticmethod
def _get_subnet_id(address: ipaddress.IPv4Address | ipaddress.IPv6Address) -> str:
"""
Expand Down
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