Add monitoring for APIs

airflow/dags/monitor/external_api.py

@@ -0,0 +1,36 @@
+from __future__ import annotations
+
+import requests
+
+
+class APIMonitoring:
+    """
+    A class to test API endpoints using GET or POST requests and ensure that they return HTTP 200 status codes.
+    """
+
+    def __init__(self, base_url: str) -> None:
+        self.base_url = base_url
+        if not self.base_url:
+            raise ValueError("ASK_ASTRO_API_BASE_URL cannot be empty.")
+
+    def test_endpoint(
+        self, endpoint: str, method: str = "GET", data: dict | None = None, headers: dict | None = None
+    ) -> int:
+        """
+        Test an endpoint with the specified method, data, and headers.
+
+        :param endpoint: The endpoint to test.
+        :param method: The HTTP method to use. Defaults to 'GET'.
+        :param data: The data to send in the request. Defaults to None.
+        :param headers: The headers to send in the request. Defaults to None.
+        """
+        url = f"{self.base_url}{endpoint}"
+        if method.upper() == "GET":
+            response = requests.get(url, headers=headers)
+        elif method.upper() == "POST":
+            response = requests.post(url, json=data, headers=headers)
+        else:
+            raise ValueError("Unsupported HTTP method.")
+
+        response.raise_for_status()  # Will raise an exception for non-200 responses
+        return response.status_code

airflow/dags/monitor/monitor.py

@@ -1,16 +1,21 @@
 import json
+import logging
 import os
 import tempfile
 from datetime import datetime
 
 import firebase_admin
 import requests
+from monitor.external_api import APIMonitoring
 from weaviate_provider.hooks.weaviate import WeaviateHook
 
 from airflow.decorators import dag, task
 from airflow.providers.slack.operators.slack_webhook import SlackWebhookOperator
 from airflow.utils.trigger_rule import TriggerRule
 
+# Set up the logger
+logger = logging.getLogger("airflow.task")
+
 monitoring_interval = os.environ.get("MONITORING_INTERVAL", "@daily")
 
 weaviate_conn_id = os.environ.get("WEAVIATE_CONN_ID", WeaviateHook.default_conn_name)
@@ -22,6 +27,11 @@
 
 google_service_account_json_value = os.environ.get("GOOGLE_APPLICATION_CREDENTIALS_VALUE", None)
 
+ASK_ASTRO_API_BASE_URL = os.environ.get("ASK_ASTRO_API_BASE_URL", None)
+
+ASK_ASTRO_REQUEST_ID_1 = os.environ.get("ASK_ASTRO_REQUEST_ID_1", "05d8882e-56ac-11ee-a818-4200a9fe0102")
+ASK_ASTRO_REQUEST_ID_2 = os.environ.get("ASK_ASTRO_REQUEST_ID_2", "f2d6524c-56ab-11ee-a818-4200a9fe0102")
+
 
 @task(trigger_rule=TriggerRule.ALL_DONE)
 def slack_status(**context):
@@ -71,7 +81,8 @@ def check_ui_status():
     endpoint = "https://ask.astronomer.io"
     response = requests.get(endpoint)
     if response.status_code != 200:
-        raise response
+        raise Exception(f"UI check failed with status code: {response.status_code}")
+    logger.info(f"UI check passed with status code: {response.status_code}")
 
 
 @task(trigger_rule=TriggerRule.ALL_DONE)
@@ -88,9 +99,9 @@ def check_weaviate_status():
             count = metadata.get("count")
             break
     if count == 0:
-        print(f"Weavaite class {weaviate_class} is empty!")
+        logger.error(f"Weaviate class {weaviate_class} is empty!")
     else:
-        print(f"{count} record found in Weavaite class {weaviate_class}")
+        logger.info(f"{count} record found in Weaviate class {weaviate_class}")
 
 
 @task(trigger_rule=TriggerRule.ALL_DONE)
@@ -105,14 +116,55 @@ def check_firestore_status():
         firebase_admin.initialize_app()
         app = firebase_admin.get_app(name=firestore_app_name)
 
-        print(f"{app.name} found!")
+        logger.info(f"{app.name} found!")
+
+
+@task(trigger_rule=TriggerRule.ALL_DONE)
+def monitor_apis():
+    """
+    Monitor a set of predefined API endpoints using the APIMonitoring class and report on their HTTP status codes.
+    This task will test each API endpoint defined in the endpoints list and will print the status code for each.
+    If any endpoint does not return a 200 status, an exception will be raised.
+    """
+    headers = {"accept": "*/*", "Content-Type": "application/json"}
+    api_monitor = APIMonitoring(base_url=ASK_ASTRO_API_BASE_URL)
+
+    slack_event_body = {}
+    request_body = {"prompt": "Example prompt"}
+    feedback_body = {"positive": True}
+
+    request_uuids = [ASK_ASTRO_REQUEST_ID_1, ASK_ASTRO_REQUEST_ID_2]
+
+    endpoints_to_monitor = [
+        ("/slack/events", "POST", headers, slack_event_body),
+        ("/slack/install", "GET", headers),
+        ("/slack/oauth_redirect", "GET", headers),
+        ("/requests", "POST", headers, request_body),
+        ("/requests", "GET", headers),
+    ]
+
+    request_uuids = [ASK_ASTRO_REQUEST_ID_1, ASK_ASTRO_REQUEST_ID_2]
+    for request_id in request_uuids:
+        endpoints_to_monitor.append((f"/requests/{request_id}", "GET", headers))
+        endpoints_to_monitor.append((f"/requests/{request_id}/feedback", "POST", headers, feedback_body))
+
+    # Monitor each API endpoint
+    for endpoint_info in endpoints_to_monitor:
+        try:
+            # Unpack the tuple with a default value for 'body'
+            endpoint, method, headers, body = (*endpoint_info, None)[:4]
+            status_code = api_monitor.test_endpoint(endpoint, method, headers, body)
+            logger.info(f"Endpoint {endpoint} returned status code {status_code}")
+        except requests.HTTPError as e:
+            logger.error(f"Endpoint {endpoint_info[0]} failed with status code: {e.response.status_code}")
+            raise Exception(f"Endpoint {endpoint_info[0]} failed with status code: {e.response.status_code}")
 
 
 @dag(
     schedule_interval=monitoring_interval, start_date=datetime(2023, 9, 27), catchup=False, is_paused_upon_creation=True
 )
 def monitoring_dag():
-    [check_ui_status(), check_weaviate_status(), check_firestore_status()] >> slack_status()
+    [check_ui_status(), check_weaviate_status(), check_firestore_status(), monitor_apis()] >> slack_status()
 
 
 monitoring_dag()