Add telnet server

webserver/handlers/api/status.py

@@ -0,0 +1,49 @@
+import logging
+from datetime import datetime
+from typing import Any
+
+import pytz
+import tornado
+from tornado import httputil
+from tornado.web import Application
+
+from core.prometheus_metrics_handler import api_requests_counter
+from core.utils import safe_json_dumps
+
+logger = logging.getLogger(__name__)
+
+
+class APIStatusHandler(tornado.web.RequestHandler):
+    """API request handler for /api/v2/status"""
+
+    def __init__(
+        self,
+        application: "Application",
+        request: httputil.HTTPServerRequest,
+        **kwargs: Any,
+    ):
+        self._status_data = None
+        self._web_server_metrics = None
+        super().__init__(application, request, **kwargs)
+
+    def initialize(self, status_data, web_server_metrics):
+        self._status_data = status_data
+        self._web_server_metrics = web_server_metrics
+
+    def get(self):
+        try:
+            # Metrics
+            self._web_server_metrics["last_api_access_time"] = datetime.now(pytz.UTC)
+            self._web_server_metrics["api_access_counter"] += 1
+            self._web_server_metrics["status"] = "OK"
+            api_requests_counter.inc()
+
+            self.write(safe_json_dumps(self._status_data))
+            self.set_status(200)
+            self.set_header("Cache-Control", "no-store")
+            self.set_header("Content-Type", "application/json")
+
+        except Exception:
+            logger.exception("Exception when handling client request to status API")
+            self.write(safe_json_dumps("Error - an internal server error occurred."))
+            self.set_status(500)