Created "convert_byte_size" method to convert the memory and disk size according to unit informed.

Changed "get_extra_context" method from "ClusterView" to use the method above and convert all the disks and memories from VMs to normalize the units.

netbox/netbox/utils.py

@@ -24,3 +24,21 @@ def register_data_backend():
         return cls
 
     return _wrapper
+
+
+def convert_byte_size(value, unit="mega"):
+    """
+    Convert a size value to unit.
+    """
+    factors = {
+        "kilo": 1024,
+        "mega": 1024 ** 2,
+        "giga": 1024 ** 3,
+        "tera": 1024 ** 4,
+    }
+    if value:
+        if len(str(value)) < 6:
+            return value
+        value_converted = float(value) / factors[unit]
+        return value_converted
+    return 0

netbox/templates/virtualization/cluster.html

@@ -59,9 +59,9 @@
               <th scope="row"><i class="mdi mdi-chip"></i> {% trans "Memory" %}</th>
               <td>
                   {% if memory_sum %}
-                      {{ memory_sum|humanize_megabytes }}
+                      {{ memory_sum }} {% trans "MB" context "Abbreviation for megabyte" %}
                   {% else %}
-                      {{ ''|placeholder }}
+                      {{ ''|placeholder }} 
                   {% endif %}
               </td>
           </tr>

netbox/virtualization/views.py

@@ -16,6 +16,7 @@ from extras.views import ObjectConfigContextView
 from ipam.models import IPAddress
 from ipam.tables import InterfaceVLANTable
 from netbox.constants import DEFAULT_ACTION_PERMISSIONS
+from netbox.utils import convert_byte_size
 from netbox.views import generic
 from tenancy.views import ObjectContactsView
 from utilities.query import count_related
@@ -172,7 +173,17 @@ class ClusterView(generic.ObjectView):
     queryset = Cluster.objects.all()
 
     def get_extra_context(self, request, instance):
-        return instance.virtual_machines.aggregate(vcpus_sum=Sum('vcpus'), memory_sum=Sum('memory'), disk_sum=Sum('disk'))
+        vm_memory = [convert_byte_size(item.memory, 'mega') for item in instance.virtual_machines.all() if item.memory]
+        vm_disk = [convert_byte_size(item.disk, 'giga') for item in instance.virtual_machines.all() if item.disk]
+
+        memory_sum = sum(vm_memory)
+        disk_sum = sum(vm_disk)
+
+        extra_content = instance.virtual_machines.aggregate(vcpus_sum=Sum('vcpus'))
+        extra_content['memory_sum'] = f"{memory_sum:.0f}"
+        extra_content['disk_sum'] = f"{disk_sum:.0f}"
+
+        return extra_content
 
 
 @register_model_view(Cluster, 'virtualmachines', path='virtual-machines')