DAG: acknowledgement

schedule: None

acknowledgement

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"""
Code that goes along with the Airflow tutorial located at:
https://github.com/apache/incubator-airflow/blob/master/airflow/example_dags/tutorial.py
"""

import sys
import uuid
from os.path import dirname
from os.path import realpath

sys.path.append(dirname(dirname(dirname(realpath(__file__)))))  # noqa

import logging

from datetime import datetime, timedelta

import requests

from airflow import DAG
from airflow.operators.python_operator import (
    PythonOperator
)
from airflow.utils.db import provide_session
from airflow.utils import timezone
from routing.common import Routing


logger = logging.getLogger()

ACK_RESPONSE_API = "/api/monitor/acknowledge/response/update/"

default_args = {
    'owner': 'sourav',
    'depends_on_past': False,
    'start_date': datetime(2019, 1, 4),
    'email': ['noreply@intellectselect.com'],
    'email_on_failure': True,
    'email_on_retry': False,
    'retries': 1,
    'retry_delay': timedelta(minutes=1),
    'queue': 'acknowledgement',
    # 'pool': 'backfill',
    # 'priority_weight': 10,
    # 'end_date': datetime(2016, 1, 1),
}


class IBaseDag(DAG):
    @provide_session
    def create_dagrun(
            self,
            run_id,
            state,
            execution_date=timezone.utcnow(),
            start_date=None,
            external_trigger=False,
            conf=None,
            session=None):
        return super().create_dagrun(
            run_id=str("ISELECT___") + str(uuid.uuid4()) + str("__") + str(
                timezone.utcnow()),
            state=state,
            execution_date=timezone.utcnow(),
            start_date=start_date,
            external_trigger=external_trigger,
            conf=conf,
            session=session)

dag = IBaseDag(
    'acknowledgement', default_args=default_args,
    schedule_interval=None
)


def route(**kwargs):
    data = kwargs.get('dag_run').conf
    logger.info('################# --- acknowledgement --- #################')
    logger.info(data)
    short_names = data['destinations']
    responses = []
    for name in short_names:
        logger.info(name)
        rdata = Routing(name).get_tenant_routing()
        url = '{}{}'.format(rdata['destination_url'], ACK_RESPONSE_API)
        r = requests.post(url, json=data['propagation_data'])
        logger.info(url)
        logger.info(r.text)
        responses.append(r.json)
    return responses


t1 = PythonOperator(
    task_id='acknowledge_task',
    python_callable=route,
    provide_context=True,
    dag=dag
)