initial version of osb

hub/servicebroker/views.py

@@ -0,0 +1,113 @@
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import status
+from django.conf import settings
+from .authentication import ServiceBrokerAuthentication
+from .serializers import (
+    CatalogSerializer,
+    ProvisionRequestSerializer,
+    ProvisionResponseSerializer,
+    BindingRequestSerializer,
+    BindingResponseSerializer,
+)
+from services.models import Service, ServiceLevel
+
+
+class ServiceBrokerView(APIView):
+    authentication_classes = [ServiceBrokerAuthentication]
+
+    def get_broker_version(self, request):
+        return request.META.get("HTTP_X_BROKER_API_VERSION", "2.14")
+
+
+class CatalogView(ServiceBrokerView):
+    def get(self, request):
+        services = []
+        marketplace_services = Service.objects.all().prefetch_related(
+            "cloud_provider", "service_level", "categories"
+        )
+
+        for service in marketplace_services:
+            plans = []
+            service_levels = ServiceLevel.objects.all()
+
+            for level in service_levels:
+                plan = {
+                    "id": f"plan-{service.id}-{level.id}",
+                    "name": level.name,
+                    "description": level.description,
+                    "metadata": {
+                        "costs": [{"amount": float(service.price), "unit": "MONTHLY"}],
+                        "bullets": [level.description],
+                    },
+                    "free": False,
+                }
+                plans.append(plan)
+
+            service_data = {
+                "id": f"service-{service.id}",
+                "name": service.name,
+                "description": service.description,
+                "bindable": True,
+                "plans": plans,
+                "metadata": {
+                    "displayName": service.name,
+                    "provider": service.cloud_provider.name,
+                    "imageUrl": service.logo.url if service.logo else None,
+                    "categories": [cat.name for cat in service.categories.all()],
+                },
+                "tags": [cat.name for cat in service.categories.all()],
+            }
+            services.append(service_data)
+
+        catalog = {"services": services}
+        serializer = CatalogSerializer(data=catalog)
+        serializer.is_valid(raise_exception=True)
+        return Response(serializer.data)
+
+
+class ProvisioningView(ServiceBrokerView):
+    def put(self, request, instance_id):
+        serializer = ProvisionRequestSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        service_id = serializer.validated_data["service_id"]
+        marketplace_service_id = service_id.replace("service-", "")
+        service = Service.objects.get(id=marketplace_service_id)
+
+        response_data = {
+            "dashboard_url": f"{settings.BASE_URL}/service/{service.slug}/",
+            "operation": None,
+        }
+
+        response_serializer = ProvisionResponseSerializer(data=response_data)
+        response_serializer.is_valid(raise_exception=True)
+        return Response(response_serializer.data, status=status.HTTP_201_CREATED)
+
+    def delete(self, request, instance_id):
+        return Response(status=status.HTTP_200_OK)
+
+
+class BindingView(ServiceBrokerView):
+    def put(self, request, instance_id, binding_id):
+        serializer = BindingRequestSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        service_id = serializer.validated_data["service_id"]
+        marketplace_service_id = service_id.replace("service-", "")
+        service = Service.objects.get(id=marketplace_service_id)
+
+        credentials = {
+            "service_name": service.name,
+            "provider": service.cloud_provider.name,
+            "service_url": f"{settings.BASE_URL}/service/{service.slug}/",
+        }
+
+        response_data = {"credentials": credentials}
+
+        response_serializer = BindingResponseSerializer(data=response_data)
+        response_serializer.is_valid(raise_exception=True)
+        return Response(response_serializer.data, status=status.HTTP_201_CREATED)
+
+    def delete(self, request, instance_id, binding_id):
+        return Response(status=status.HTTP_200_OK)