-class KafkaProducer(object):
-
- def __init__(self, topic):
-
- self._topic = topic
-
- if "BROKER_URI" in os.environ:
- broker = os.getenv("BROKER_URI")
- else:
- broker = "localhost:9092"
-
- '''
- If the broker URI is not set in the env, by default,
- localhost container is taken as the host because an instance of
- is already running.
- '''
-
- self.producer = kaf(
- key_serializer=str.encode,
- value_serializer=lambda v: json.dumps(v).encode('ascii'),
- bootstrap_servers=broker, api_version=(0, 10))
-
- def publish(self, key, value, topic=None):
- try:
- future = self.producer.send(topic=topic, key=key, value=value)
- self.producer.flush()
- except Exception:
- logging.exception("Error publishing to {} topic." .format(topic))
- raise
- try:
- record_metadata = future.get(timeout=10)
- logging.debug("TOPIC:", record_metadata.topic)
- logging.debug("PARTITION:", record_metadata.partition)
- logging.debug("OFFSET:", record_metadata.offset)
- except KafkaError:
- pass
-
- def create_alarm_request(self, key, message, topic):
-
- # External to MON
-
- payload_create_alarm = jsmin(
- open(os.path.join(json_path, 'create_alarm.json')).read())
- self.publish(key,
- value=json.dumps(payload_create_alarm),
- topic='alarm_request')
-
- def create_alarm_response(self, key, message, topic):
-
- # Internal to MON
-
- payload_create_alarm_resp = jsmin(
- open(os.path.join(json_path, 'create_alarm_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='alarm_response')
-
- def acknowledge_alarm(self, key, message, topic):
-
- # Internal to MON
-
- payload_acknowledge_alarm = jsmin(
- open(os.path.join(json_path, 'acknowledge_alarm.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_acknowledge_alarm),
- topic='alarm_request')
-
- def list_alarm_request(self, key, message, topic):
-
- # External to MON
-
- payload_alarm_list_req = jsmin(
- open(os.path.join(json_path, 'list_alarm_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_alarm_list_req),
- topic='alarm_request')
-
- def notify_alarm(self, key, message, topic):
-
- payload_notify_alarm = jsmin(
- open(os.path.join(json_path, 'notify_alarm.json')).read())
-
- self.publish(key,
- value=message,
- topic='alarm_response')
-
- def list_alarm_response(self, key, message, topic):
-
- payload_list_alarm_resp = jsmin(
- open(os.path.join(json_path, 'list_alarm_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='alarm_response')
-
- def update_alarm_request(self, key, message, topic):
-
- # External to Mon
-
- payload_update_alarm_req = jsmin(
- open(os.path.join(json_path, 'update_alarm_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_update_alarm_req),
- topic='alarm_request')
-
- def update_alarm_response(self, key, message, topic):
-
- # Internal to Mon
-
- payload_update_alarm_resp = jsmin(
- open(os.path.join(json_path, 'update_alarm_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='alarm_response')
-
- def delete_alarm_request(self, key, message, topic):
-
- # External to Mon
-
- payload_delete_alarm_req = jsmin(
- open(os.path.join(json_path, 'delete_alarm_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_delete_alarm_req),
- topic='alarm_request')
-
- def delete_alarm_response(self, key, message, topic):
-
- # Internal to Mon
-
- payload_delete_alarm_resp = jsmin(
- open(os.path.join(json_path, 'delete_alarm_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='alarm_response')
-
- def create_metrics_request(self, key, message, topic):
-
- # External to Mon
-
- payload_create_metrics_req = jsmin(
- open(os.path.join(json_path, 'create_metric_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_create_metrics_req),
- topic='metric_request')
-
- def create_metrics_resp(self, key, message, topic):
-
- # Internal to Mon
-
- payload_create_metrics_resp = jsmin(
- open(os.path.join(json_path, 'create_metric_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='metric_response')
-
- def read_metric_data_request(self, key, message, topic):
-
- # External to Mon
-
- payload_read_metric_data_request = jsmin(
- open(os.path.join(json_path, 'read_metric_data_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_read_metric_data_request),
- topic='metric_request')
-
- def read_metric_data_response(self, key, message, topic):
-
- # Internal to Mon
-
- payload_metric_data_response = jsmin(
- open(os.path.join(json_path, 'read_metric_data_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='metric_response')
-
- def list_metric_request(self, key, message, topic):
-
- # External to MON
-
- payload_metric_list_req = jsmin(
- open(os.path.join(json_path, 'list_metric_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_metric_list_req),
- topic='metric_request')
-
- def list_metric_response(self, key, message, topic):
-
- # Internal to MON
-
- payload_metric_list_resp = jsmin(
- open(os.path.join(json_path, 'list_metrics_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='metric_response')
-
- def delete_metric_request(self, key, message, topic):
-
- # External to Mon
-
- payload_delete_metric_req = jsmin(
- open(os.path.join(json_path, 'delete_metric_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_delete_metric_req),
- topic='metric_request')
-
- def delete_metric_response(self, key, message, topic):
-
- # Internal to Mon
-
- payload_delete_metric_resp = jsmin(
- open(os.path.join(json_path, 'delete_metric_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='metric_response')
-
- def update_metric_request(self, key, message, topic):
-
- # External to Mon
-
- payload_update_metric_req = jsmin(
- open(os.path.join(json_path, 'update_metric_req.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_update_metric_req),
- topic='metric_request')
-
- def update_metric_response(self, key, message, topic):
-
- # Internal to Mon
-
- payload_update_metric_resp = jsmin(
- open(os.path.join(json_path, 'update_metric_resp.json')).read())
-
- self.publish(key,
- value=message,
- topic='metric_response')
-
- def access_credentials(self, key, message, topic):
-
- payload_access_credentials = jsmin(
- open(os.path.join(json_path, 'access_credentials.json')).read())
-
- self.publish(key,
- value=json.dumps(payload_access_credentials),
- topic='access_credentials')