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/__init__.py

@@ -1,5 +1,4 @@
 from .config import BetterIPsConfig
 
-__version__ = "1.0.0"
+__version__ = "1.1.0"
 config = BetterIPsConfig
-

netbox_better_ips/config.py

@@ -6,7 +6,7 @@ class BetterIPsConfig(PluginConfig):
     verbose_name = "NetBox Better IPs"
     description = "Automatische Prefix-Zuordnung und erweiterte IP-Netzübersicht"
     author = "LKE"
-    version = "1.0.0"
+    version = "1.1.0"
     base_url = "better-ips"
     min_version = "4.6.5"
     max_version = "4.6.99"
@@ -21,4 +21,4 @@ class BetterIPsConfig(PluginConfig):
     def ready(self):
         super().ready()
         from . import signals  # noqa: F401
-
+        from . import tables  # noqa: F401

netbox_better_ips/tables.py

@@ -0,0 +1,23 @@
+import django_tables2 as tables
+from ipam.tables import AnnotatedIPAddressTable
+from utilities.tables import register_table_column
+
+
+device_or_vm = tables.Column(
+    accessor="assigned_object__parent_object",
+    linkify=True,
+    orderable=False,
+    verbose_name="Gerät / VM",
+    empty_values=(),
+)
+
+register_table_column(device_or_vm, "device_or_vm", AnnotatedIPAddressTable)
+
+# Registered columns are selectable but not displayed by default. The annotated
+# table is used specifically by Prefix -> IP Addresses, where this information
+# should be visible immediately.
+if "device_or_vm" not in AnnotatedIPAddressTable.Meta.default_columns:
+    AnnotatedIPAddressTable.Meta.default_columns = (
+        *AnnotatedIPAddressTable.Meta.default_columns,
+        "device_or_vm",
+    )

netbox_better_ips/template_content.py

@@ -0,0 +1,11 @@
+from netbox.plugins import PluginTemplateExtension
+
+
+class PrefixListActions(PluginTemplateExtension):
+    model = "ipam.prefix"
+
+    def list_buttons(self):
+        return self.render("netbox_better_ips/inc/prefix_list_buttons.html")
+
+
+template_extensions = (PrefixListActions,)

netbox_better_ips/templates/netbox_better_ips/inc/prefix_list_buttons.html

@@ -0,0 +1,9 @@
+{% if perms.ipam.view_ipaddress and perms.ipam.add_prefix %}
+  <form method="post" action="{% url 'plugins:netbox_better_ips:reconcile_missing_prefixes' %}" class="d-inline">
+    {% csrf_token %}
+    <button type="submit" class="btn btn-primary">
+      <i class="mdi mdi-auto-fix" aria-hidden="true"></i>
+      Alle fehlenden Bereiche anlegen
+    </button>
+  </form>
+{% endif %}

netbox_better_ips/urls.py

@@ -1,10 +1,10 @@
 from django.urls import path
 
-from .views import NetworkOverviewView
+from .views import NetworkOverviewView, reconcile_missing_prefixes
 
 app_name = "netbox_better_ips"
 
 urlpatterns = [
     path("networks/", NetworkOverviewView.as_view(), name="network_overview"),
+    path("reconcile/", reconcile_missing_prefixes, name="reconcile_missing_prefixes"),
 ]
-

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")