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app.py
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app.py
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import logging
import signal
from typing import Any, Callable
import requests
import json
import os
from confluent_kafka import Consumer, KafkaException, Message
KAFKA_CONSUMER_BROKERS: str = "b-1-public.publicclusterprod.t9rw6w.c1.kafka.eu-west-1.amazonaws.com:9196,b-2-public.publicclusterprod.t9rw6w.c1.kafka.eu-west-1.amazonaws.com:9196,b-3-public.publicclusterprod.t9rw6w.c1.kafka.eu-west-1.amazonaws.com:9196"
KAFKA_CONSUMER_SECURITY_PROTOCOL: str = "SASL_SSL"
KAFKA_CONSUMER_AUTHENTICATION_MECHANISM: str = "SCRAM-SHA-512"
KAFKA_CONSUMER_USERNAME: str = os.getenv("KAFKA_CONSUMER_USERNAME")
KAFKA_CONSUMER_PASSWORD: str = os.getenv("KAFKA_CONSUMER_PASSWORD")
KAFKA_CONSUMER_SESSION_TIMEOUT_MS: int = 45000
KAFKA_CONSUMER_AUTO_OFFSET_RESET: str = "earliest"
KAFKA_CONSUMER_GROUP_ID: str = os.getenv("KAFKA_CONSUMER_GROUP_ID")
KAFKA_CONSUMER_CLIENT_ID = os.getenv("KAFKA_CONSUMER_CLIENT_ID")
KAFKA_RUNS_TOPIC: str = os.getenv("KAFKA_RUNS_TOPIC")
LOG_LEVEL: str = os.getenv("LOG_LEVEL")
PORT_CLIENT_ID = os.getenv("PORT_CLIENT_ID")
PORT_CLIENT_SECRET = os.getenv("PORT_CLIENT_SECRET")
API_URL = os.getenv("API_URL", default = "https://api.getport.io/v1")
WINDMILL_API_TOKEN = os.getenv("WINDMILL_API_TOKEN")
WINDMILL_API_URL = os.getenv("WINDMILL_API_URL")
logging.basicConfig(level=LOG_LEVEL)
logger = logging.getLogger(__name__)
def trigger_windmill_job(workspace: str, script_path: str, data: dict[str, Any]):
windmill_webhook_endpoint = f"{WINDMILL_API_URL}/w/{workspace}/jobs/run_wait_result/f/{script_path}"
headers = {
"Authorization": f"Bearer {WINDMILL_API_TOKEN}",
"Content-Type": "application/json"
}
webhook_response = requests.post(windmill_webhook_endpoint, json=data, headers=headers)
webhook_response.raise_for_status()
logger.info('Windmill job successfully triggered')
return webhook_response
def msg_process(msg: Message) -> None:
try:
msg_value = json.loads(msg.value().decode())
logger.info("Raw message value: %s", msg.value())
access_token_res = requests.post(f"{API_URL}/auth/access_token", json={
"clientId": PORT_CLIENT_ID,
"clientSecret": PORT_CLIENT_SECRET
})
access_token = access_token_res.json().get('accessToken')
headers = {
"Authorization": f"Bearer {access_token}"
}
run_id = msg_value['context']['runId']
properties = msg_value['payload']['properties']
insertLogsEndpoint = f"{API_URL}/actions/runs/{run_id}/logs"
updateRunEndpoint = f"{API_URL}/actions/runs/{run_id}"
# Triiger windmill job/workflow
windmill_webhook_response = trigger_windmill_job(workspace=properties['workspace'], script_path=properties['file_path'], data=properties['job_data'])
trigger_status = "SUCCESS" if windmill_webhook_response.json() is None else "FAILURE"
# Create run log
requests.post(insertLogsEndpoint, json={
"message": "Run completed successfully"
}, headers=headers)
print('Successfully created run log')
# Update the status of the run
requests.patch(updateRunEndpoint, json={
"status": trigger_status
}, headers=headers)
print('Successfully updated the run status')
except Exception as e:
raise Exception('Something went wrong', str(e))
return 'OK'
class KafkaConsumer():
def __init__(
self, msg_process: Callable[[Message], None], consumer: Consumer = None
) -> None:
self.running = False
signal.signal(signal.SIGINT, self.exit_gracefully)
signal.signal(signal.SIGTERM, self.exit_gracefully)
self.msg_process = msg_process
if consumer:
self.consumer = consumer
else:
conf = {
"bootstrap.servers": KAFKA_CONSUMER_BROKERS,
"client.id": KAFKA_CONSUMER_CLIENT_ID,
"security.protocol": KAFKA_CONSUMER_SECURITY_PROTOCOL,
"sasl.mechanism": KAFKA_CONSUMER_AUTHENTICATION_MECHANISM,
"sasl.username": KAFKA_CONSUMER_USERNAME,
"sasl.password": KAFKA_CONSUMER_PASSWORD,
"group.id": KAFKA_CONSUMER_GROUP_ID,
"session.timeout.ms": KAFKA_CONSUMER_SESSION_TIMEOUT_MS,
"auto.offset.reset": KAFKA_CONSUMER_AUTO_OFFSET_RESET,
"enable.auto.commit": "false",
}
self.consumer = Consumer(conf)
def start(self) -> None:
try:
self.consumer.subscribe(
[KAFKA_RUNS_TOPIC],
on_assign=lambda _, partitions: logger.info(
"Assignment: %s", partitions
),
)
self.running = True
while self.running:
try:
msg = self.consumer.poll(timeout=1.0)
if msg is None:
continue
if msg.error():
raise KafkaException(msg.error())
else:
try:
logger.info(
"Process message"
" from topic %s, partition %d, offset %d",
msg.topic(),
msg.partition(),
msg.offset(),
)
self.msg_process(msg)
except Exception as process_error:
logger.error(
"Failed process message"
" from topic %s, partition %d, offset %d: %s",
msg.topic(),
msg.partition(),
msg.offset(),
str(process_error),
)
finally:
self.consumer.commit(asynchronous=False)
except Exception as message_error:
logger.error(str(message_error))
finally:
self.consumer.close()
def exit_gracefully(self, *_: Any) -> None:
logger.info("Exiting gracefully...")
self.running = False
if __name__ == "__main__":
consumer = KafkaConsumer(msg_process)
consumer.start()