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 os
  19 from random import randint
  20
  21 from fastapi import FastAPI
  22 import requests
  23
  24
  25 app = FastAPI()
  26
  27
  28 def send_to_airflow(output_endpoint, content):
  29     try:
  30         requests.Session()
  31         # Airflow params should come from env variables from configmaps and secrets
  32         airflow_host = os.environ["AIRFLOW_HOST"]
  33         airflow_port = os.environ["AIRFLOW_PORT"]
  34         airflow_user = os.environ["AIRFLOW_USER"]
  35         airflow_pass = os.environ["AIRFLOW_PASS"]
  36         url = f"http://{airflow_host}:{airflow_port}/api/v1/dags/{output_endpoint}/dagRuns"
  37         rnd = str(randint(0, 999999)).rjust(6, "0")
  38         timestamp = datetime.now().strftime("%Y%m%d%H%M%S")
  39         dag_run_id = output_endpoint + "_" + timestamp + "_" + rnd
  40         print(f"HTTP POST {url}...")
  41         req = requests.post(
  42             url=url,
  43             auth=(airflow_user, airflow_pass),
  44             json={"dag_run_id": dag_run_id, "conf": content},
  45         )
  46         print(req.text)
  47         # timeout and retries
  48     except Exception as e:
  49         print(f"HTTP error: {repr(e)}")
  50         raise requests.HTTPException(status_code=403, detail=repr(e))
  51
  52
  53 @app.post("/{input_endpoint}")
  54 async def webhook(input_endpoint: str, content: dict):
  55     send_to_airflow(input_endpoint, content)
  56     return {}