Add /burn endpoint for CPU load simulation

Author: emyller

src/common/core/urls.py

@@ -11,6 +11,7 @@
     # Aptible health checks must be on /healthcheck and cannot redirect
     # see https://www.aptible.com/docs/core-concepts/apps/connecting-to-apps/app-endpoints/https-endpoints/health-checks
     re_path(r"^healthcheck", include("health_check.urls", namespace="health-aptible")),
+    path("burn/", views.burn),
 ]
 
 if settings.PROMETHEUS_ENABLED:

src/common/core/views.py

@@ -1,4 +1,5 @@
 import logging
+import time
 
 import prometheus_client
 from django.http import HttpResponse, JsonResponse
@@ -25,3 +26,17 @@ def metrics(request: Request) -> HttpResponse:
         metrics_page,
         content_type=prometheus_client.CONTENT_TYPE_LATEST,
     )
+
+
+def burn(request: Request) -> HttpResponse:
+    """
+    Burn CPU for a specified duration to simulate load.
+
+    Usage: GET /burn?s=10 (burns CPU for 10 seconds)
+    """
+    seconds = int(request.GET.get("s", 1))
+    end_time = time.monotonic() + seconds
+    while time.monotonic() < end_time:
+        pass  # Busy wait
+
+    return HttpResponse("waited")