Device asns (#254)

Added ASNs to device view

Author: Jawny

changes/251.added

@@ -0,0 +1 @@
+Added ASNs list to Device view.

nautobot_bgp_models/template_content.py

@@ -2,7 +2,7 @@
 
 from nautobot.extras.plugins import PluginTemplateExtension
 
-from .models import AddressFamily, BGPRoutingInstance, PeerEndpoint
+from .models import AddressFamily, AutonomousSystem, BGPRoutingInstance, PeerEndpoint
 
 
 class DevicePeerEndpoints(PluginTemplateExtension):  # pylint: disable=abstract-method
@@ -15,10 +15,12 @@ def right_page(self):
         endpoints = PeerEndpoint.objects.filter(
             routing_instance__device=self.context["object"],
         )
-        return self.render(
-            "nautobot_bgp_models/inc/device_peer_endpoints.html",
-            extra_context={"endpoints": endpoints},
-        )
+        if endpoints.exists():
+            return self.render(
+                "nautobot_bgp_models/inc/device_peer_endpoints.html",
+                extra_context={"endpoints": endpoints},
+            )
+        return ""
 
 
 class DeviceAddressFamilies(PluginTemplateExtension):  # pylint: disable=abstract-method
@@ -31,10 +33,12 @@ def right_page(self):
         address_families = AddressFamily.objects.filter(
             routing_instance__device=self.context["object"],
         )
-        return self.render(
-            "nautobot_bgp_models/inc/device_address_families.html",
-            extra_context={"address_families": address_families},
-        )
+        if address_families.exists():
+            return self.render(
+                "nautobot_bgp_models/inc/device_address_families.html",
+                extra_context={"address_families": address_families},
+            )
+        return ""
 
 
 class DeviceBgpRoutingInstances(PluginTemplateExtension):  # pylint: disable=abstract-method
@@ -47,13 +51,38 @@ def right_page(self):
         bgp_routing_instances = BGPRoutingInstance.objects.filter(
             device=self.context["object"],
         )
-        return self.render(
-            "nautobot_bgp_models/inc/device_bgp_routing_instances.html",
-            extra_context={"bgp_routing_instances": bgp_routing_instances},
+        if bgp_routing_instances.exists():
+            return self.render(
+                "nautobot_bgp_models/inc/device_bgp_routing_instances.html",
+                extra_context={"bgp_routing_instances": bgp_routing_instances},
+            )
+        return ""
+
+
+class DeviceAutonomousSystems(PluginTemplateExtension):  # pylint: disable=abstract-method
+    """Add AutonomousSystems to the right side of the Device page."""
+
+    model = "dcim.device"
+
+    def right_page(self):
+        """Add content to the right side of the Device detail view."""
+        autonomous_systems = (
+            AutonomousSystem.objects.filter(
+                bgproutinginstance__device=self.context["object"],
+            )
+            .distinct()
+            .order_by("asn")
         )
+        if autonomous_systems.exists():
+            return self.render(
+                "nautobot_bgp_models/inc/device_autonomous_systems.html",
+                extra_context={"autonomous_systems": autonomous_systems},
+            )
+        return ""
 
 
 template_extensions = [
+    DeviceAutonomousSystems,
     DeviceBgpRoutingInstances,
     DeviceAddressFamilies,
     DevicePeerEndpoints,

nautobot_bgp_models/templates/nautobot_bgp_models/inc/device_autonomous_systems.html

@@ -0,0 +1,27 @@
+{% if autonomous_systems %}
+    <div class="panel panel-default">
+        <div class="panel-heading"><strong>Autonomous Systems</strong></div>
+        <table class="table table-hover panel-body">
+        {% for autonomous_system in autonomous_systems %}
+            <tr>
+                <td>
+                    <a href="{{ autonomous_system.get_absolute_url }}">
+                        ASN {{ autonomous_system.asn }} ({{ autonomous_system.asn_asdot }}){% if autonomous_system.description %} - {{ autonomous_system.description }}{% endif %}
+                    </a>
+                </td>
+            </tr>
+        {% endfor %}
+        </table>
+    </div>
+{% else %}
+    <div class="panel panel-default">
+        <div class="panel-heading"><strong>Autonomous Systems</strong></div>
+        <table class="table table-hover panel-body">
+            <tr>
+                <td>
+                    No autonomous systems
+                </td>
+            </tr>
+        </table>
+    </div>
+{% endif %}