Revert "*: providers and sources -> channels, PolicyModel to PolicyBindingModel that uses custom M2M through"

This reverts commit 7ed3ceb960.

passbook/providers/app_gw/views.py

@@ -0,0 +1,40 @@
+"""passbook app_gw views"""
+import string
+from random import SystemRandom
+
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.http import HttpRequest, HttpResponse
+from django.shortcuts import get_object_or_404, render
+from django.views import View
+from structlog import get_logger
+
+from passbook import __version__
+from passbook.providers.app_gw.models import ApplicationGatewayProvider
+
+ORIGINAL_URL = "HTTP_X_ORIGINAL_URL"
+LOGGER = get_logger()
+
+
+def get_cookie_secret():
+    """Generate random 50-character string for cookie-secret"""
+    return "".join(
+        SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(50)
+    )
+
+
+class K8sManifestView(LoginRequiredMixin, View):
+    """Generate K8s Deployment and SVC for gatekeeper"""
+
+    def get(self, request: HttpRequest, provider: int) -> HttpResponse:
+        """Render deployment template"""
+        provider = get_object_or_404(ApplicationGatewayProvider, pk=provider)
+        return render(
+            request,
+            "app_gw/k8s-manifest.yaml",
+            {
+                "provider": provider,
+                "cookie_secret": get_cookie_secret(),
+                "version": __version__,
+            },
+            content_type="text/yaml",
+        )