osm_webhook_translator/src/osm_webhook_translator/main.py

   1 #######################################################################################
   2 # Copyright ETSI Contributors and Others.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #    http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  13 # implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #######################################################################################
  17 from datetime import datetime
  18 import logging
  19 import os
  20 from random import randint
  21
  22 from fastapi import FastAPI
  23 import requests
  24
  25
  26 logging.basicConfig(
  27     format="%(asctime)s %(levelname)s %(filename)s:%(lineno)s %(message)s",
  28     datefmt="%Y/%m/%d %H:%M:%S",
  29 )
  30 logger = logging.getLogger(__name__)
  31 logger.setLevel(logging.INFO)
  32 app = FastAPI()
  33
  34
  35 def send_to_airflow(output_endpoint, content):
  36     try:
  37         requests.Session()
  38         # Airflow params should come from env variables from configmaps and secrets
  39         airflow_host = os.environ["AIRFLOW_HOST"]
  40         airflow_port = os.environ["AIRFLOW_PORT"]
  41         airflow_user = os.environ["AIRFLOW_USER"]
  42         airflow_pass = os.environ["AIRFLOW_PASS"]
  43         url = f"http://{airflow_host}:{airflow_port}/api/v1/dags/{output_endpoint}/dagRuns"
  44         rnd = str(randint(0, 999999)).rjust(6, "0")
  45         timestamp = datetime.now().strftime("%Y%m%d%H%M%S")
  46         dag_run_id = output_endpoint + "_" + timestamp + "_" + rnd
  47         logger.info(f"HTTP POST {url}")
  48         req = requests.post(
  49             url=url,
  50             auth=(airflow_user, airflow_pass),
  51             json={"dag_run_id": dag_run_id, "conf": content},
  52         )
  53         logger.info(f"Response: {req.text}")
  54         # timeout and retries
  55     except Exception as e:
  56         logger.error(f"HTTP error: {repr(e)}")
  57         raise requests.HTTPException(status_code=403, detail=repr(e))
  58
  59
  60 @app.post("/{input_endpoint}")
  61 async def webhook(input_endpoint: str, content: dict):
  62     send_to_airflow(input_endpoint, content)
  63     return {}