feat: IPAM-Bereiche automatisch ergänzen

Fehlende Prefixe können direkt aus der IPAM-Bereichsliste für alle sichtbaren IP-Adressen angelegt werden. Zusätzlich zeigt die Prefix-IP-Ansicht das zugewiesene Gerät oder die VM standardmäßig an.

netbox_better_ips/views.py

@@ -1,13 +1,18 @@
 from django.contrib.contenttypes.models import ContentType
+from django.contrib import messages
+from django.contrib.auth.decorators import permission_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.core.paginator import Paginator
 from django.db.models import Q
+from django.shortcuts import redirect
+from django.views.decorators.http import require_POST
 from django.views.generic import TemplateView
 from dcim.models import Location, Region, Site, SiteGroup
-from ipam.models import Prefix
+from ipam.models import IPAddress, Prefix
 import netaddr
 
 from .forms import NetworkOverviewFilterForm
+from .services import ensure_prefix_for_ip
 
 
 def _descendant_ids(obj):
@@ -87,3 +92,31 @@ class NetworkOverviewView(PermissionRequiredMixin, TemplateView):
             }
         )
         return context
+
+
+@require_POST
+@permission_required(("ipam.view_ipaddress", "ipam.add_prefix"), raise_exception=True)
+def reconcile_missing_prefixes(request):
+    created = skipped = failed = 0
+    addresses = IPAddress.objects.restrict(request.user, "view").select_related(
+        "tenant", "assigned_object_type"
+    )
+    for address in addresses.iterator():
+        try:
+            prefix, was_created = ensure_prefix_for_ip(address)
+            created += int(was_created)
+            skipped += int(prefix is None)
+        except Exception:
+            failed += 1
+
+    if failed:
+        messages.warning(
+            request,
+            f"{created} Bereiche wurden angelegt; {failed} IP-Adressen konnten nicht verarbeitet werden.",
+        )
+    else:
+        messages.success(
+            request,
+            f"{created} fehlende Bereiche wurden angelegt. {skipped} Host-Adressen wurden ignoriert.",
+        )
+    return redirect("ipam:prefix_list")