feat: automatische Prefix-Zuordnung und IP-Netzübersicht hinzufügen

- fehlende Prefixe beim Speichern von IP-Adressen automatisch erstellen - VRF, Mandant, Standort und Lokation übernehmen - bestehende IP-Adressen per Management-Command abgleichen - filterbare IP-Netzübersicht für Regionen, Standorte und Mandanten ergänzen - NetBox 4.6.5 unterstützen
2026-07-23 11:06:50 +02:00
commit 24e59ee9c0
16 changed files with 461 additions and 0 deletions
@@ -0,0 +1,89 @@
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.auth.mixins import PermissionRequiredMixin
+from django.core.paginator import Paginator
+from django.db.models import Q
+from django.views.generic import TemplateView
+from dcim.models import Location, Region, Site, SiteGroup
+from ipam.models import Prefix
+import netaddr
+
+from .forms import NetworkOverviewFilterForm
+
+
+def _descendant_ids(obj):
+    """Return an object's ID plus nested-tree descendants across NetBox versions."""
+    try:
+        return list(obj.get_descendants(include_self=True).values_list("pk", flat=True))
+    except (AttributeError, TypeError):
+        ids = list(obj.get_descendants().values_list("pk", flat=True))
+        return [obj.pk, *ids]
+
+
+def _scope_query(model, ids):
+    content_type = ContentType.objects.get_for_model(model)
+    return Q(scope_type=content_type, scope_id__in=ids)
+
+
+def apply_overview_filters(queryset, data):
+    if q := data.get("q"):
+        search = Q(description__icontains=q) | Q(comments__icontains=q)
+        try:
+            search |= Q(prefix__net_contains_or_equals=str(netaddr.IPNetwork(q)))
+        except (netaddr.AddrFormatError, ValueError):
+            pass
+        queryset = queryset.filter(search)
+    if tenant := data.get("tenant"):
+        queryset = queryset.filter(tenant=tenant)
+    if group := data.get("tenant_group"):
+        queryset = queryset.filter(tenant__group_id__in=_descendant_ids(group))
+    if location := data.get("location"):
+        queryset = queryset.filter(_scope_query(Location, _descendant_ids(location)))
+    if site := data.get("site"):
+        location_ids = Location.objects.filter(site=site).values_list("pk", flat=True)
+        queryset = queryset.filter(
+            _scope_query(Site, [site.pk]) | _scope_query(Location, location_ids)
+        )
+    if site_group := data.get("site_group"):
+        site_ids = Site.objects.filter(group_id__in=_descendant_ids(site_group)).values_list(
+            "pk", flat=True
+        )
+        location_ids = Location.objects.filter(site_id__in=site_ids).values_list("pk", flat=True)
+        queryset = queryset.filter(
+            _scope_query(SiteGroup, _descendant_ids(site_group))
+            | _scope_query(Site, site_ids)
+            | _scope_query(Location, location_ids)
+        )
+    if region := data.get("organization"):
+        region_ids = _descendant_ids(region)
+        site_ids = Site.objects.filter(region_id__in=region_ids).values_list("pk", flat=True)
+        location_ids = Location.objects.filter(site_id__in=site_ids).values_list("pk", flat=True)
+        queryset = queryset.filter(
+            _scope_query(Region, region_ids)
+            | _scope_query(Site, site_ids)
+            | _scope_query(Location, location_ids)
+        )
+    return queryset
+
+
+class NetworkOverviewView(PermissionRequiredMixin, TemplateView):
+    template_name = "netbox_better_ips/network_overview.html"
+    permission_required = "ipam.view_prefix"
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        form = NetworkOverviewFilterForm(self.request.GET or None)
+        prefixes = Prefix.objects.restrict(self.request.user, "view").select_related(
+            "vrf", "tenant", "scope_type"
+        )
+        if form.is_valid():
+            prefixes = apply_overview_filters(prefixes, form.cleaned_data)
+        prefixes = prefixes.order_by("prefix", "vrf")
+        paginator = Paginator(prefixes, 50)
+        context.update(
+            {
+                "filter_form": form,
+                "page_obj": paginator.get_page(self.request.GET.get("page")),
+                "total_count": prefixes.count(),
+            }
+        )
+        return context