Merge pull request netbox-community#3069 from digitalocean/2647-caching

intial work on netbox-community#2647 - caching

.travis.yml

@@ -1,6 +1,7 @@
 sudo: required
 services:
   - postgresql
+  - redis-server
 addons:
   postgresql: "9.4"
 language: python

base_requirements.txt

@@ -18,6 +18,10 @@ django-filter
 # https://github.com/django-mptt/django-mptt
 django-mptt
 
+# Django caching using Redis
+# https://github.com/niwinz/django-redis
+django-redis
+
 # Abstraction models for rendering and paginating HTML tables
 # https://github.com/jieter/django-tables2
 django-tables2

netbox/circuits/views.py

@@ -1,9 +1,12 @@
+from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.decorators import permission_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.db import transaction
 from django.db.models import Count
 from django.shortcuts import get_object_or_404, redirect, render
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import cache_page
 from django.views.generic import View
 
 from extras.models import Graph, GRAPH_TYPE_PROVIDER
@@ -32,6 +35,7 @@ class ProviderListView(PermissionRequiredMixin, ObjectListView):
 class ProviderView(PermissionRequiredMixin, View):
     permission_required = 'circuits.view_provider'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, slug):
 
         provider = get_object_or_404(Provider, slug=slug)
@@ -147,6 +151,7 @@ class CircuitListView(PermissionRequiredMixin, ObjectListView):
 class CircuitView(PermissionRequiredMixin, View):
     permission_required = 'circuits.view_circuit'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         circuit = get_object_or_404(Circuit.objects.select_related('provider', 'type', 'tenant__group'), pk=pk)

netbox/dcim/views.py

@@ -13,6 +13,8 @@
 from django.utils.html import escape
 from django.utils.http import is_safe_url
 from django.utils.safestring import mark_safe
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import cache_page
 from django.views.generic import View
 
 from circuits.models import Circuit
@@ -195,6 +197,7 @@ class SiteListView(PermissionRequiredMixin, ObjectListView):
 class SiteView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_site'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, slug):
 
         site = get_object_or_404(Site.objects.select_related('region', 'tenant__group'), slug=slug)
@@ -353,6 +356,7 @@ class RackElevationListView(PermissionRequiredMixin, View):
     """
     permission_required = 'dcim.view_rack'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request):
 
         racks = Rack.objects.select_related(
@@ -392,6 +396,7 @@ def get(self, request):
 class RackView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_rack'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         rack = get_object_or_404(Rack.objects.select_related('site__region', 'tenant__group', 'group', 'role'), pk=pk)
@@ -570,6 +575,7 @@ class DeviceTypeListView(PermissionRequiredMixin, ObjectListView):
 class DeviceTypeView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_devicetype'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         devicetype = get_object_or_404(DeviceType, pk=pk)
@@ -910,6 +916,7 @@ class DeviceListView(PermissionRequiredMixin, ObjectListView):
 class DeviceView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_device'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device = get_object_or_404(Device.objects.select_related(
@@ -991,6 +998,7 @@ def get(self, request, pk):
 class DeviceInventoryView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_device'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device = get_object_or_404(Device, pk=pk)
@@ -1012,6 +1020,7 @@ def get(self, request, pk):
 class DeviceStatusView(PermissionRequiredMixin, View):
     permission_required = ('dcim.view_device', 'dcim.napalm_read')
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device = get_object_or_404(Device, pk=pk)
@@ -1025,6 +1034,7 @@ def get(self, request, pk):
 class DeviceLLDPNeighborsView(PermissionRequiredMixin, View):
     permission_required = ('dcim.view_device', 'dcim.napalm_read')
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device = get_object_or_404(Device, pk=pk)
@@ -1042,6 +1052,7 @@ def get(self, request, pk):
 class DeviceConfigView(PermissionRequiredMixin, View):
     permission_required = ('dcim.view_device', 'dcim.napalm_read')
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device = get_object_or_404(Device, pk=pk)
@@ -1279,6 +1290,7 @@ class PowerOutletBulkDeleteView(PermissionRequiredMixin, BulkDeleteView):
 class InterfaceView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_interface'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         interface = get_object_or_404(Interface, pk=pk)
@@ -1499,6 +1511,7 @@ class DeviceBayDeleteView(PermissionRequiredMixin, ObjectDeleteView):
 class DeviceBayPopulateView(PermissionRequiredMixin, View):
     permission_required = 'dcim.change_devicebay'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device_bay = get_object_or_404(DeviceBay, pk=pk)
@@ -1533,6 +1546,7 @@ def post(self, request, pk):
 class DeviceBayDepopulateView(PermissionRequiredMixin, View):
     permission_required = 'dcim.change_devicebay'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device_bay = get_object_or_404(DeviceBay, pk=pk)
@@ -1672,6 +1686,7 @@ class CableListView(PermissionRequiredMixin, ObjectListView):
 class CableView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_cable'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         cable = get_object_or_404(Cable, pk=pk)
@@ -1687,6 +1702,7 @@ class CableTraceView(PermissionRequiredMixin, View):
     """
     permission_required = 'dcim.view_cable'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, model, pk):
 
         obj = get_object_or_404(model, pk=pk)
@@ -1726,6 +1742,7 @@ def dispatch(self, request, *args, **kwargs):
 
         return super().dispatch(request, *args, **kwargs)
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, *args, **kwargs):
 
         # Parse initial data manually to avoid setting field values as lists
@@ -2042,6 +2059,7 @@ def post(self, request):
 class VirtualChassisEditView(PermissionRequiredMixin, GetReturnURLMixin, View):
     permission_required = 'dcim.change_virtualchassis'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         virtual_chassis = get_object_or_404(VirtualChassis, pk=pk)
@@ -2110,6 +2128,7 @@ class VirtualChassisDeleteView(PermissionRequiredMixin, ObjectDeleteView):
 class VirtualChassisAddMemberView(PermissionRequiredMixin, GetReturnURLMixin, View):
     permission_required = 'dcim.change_virtualchassis'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         virtual_chassis = get_object_or_404(VirtualChassis, pk=pk)
@@ -2164,6 +2183,7 @@ def post(self, request, pk):
 class VirtualChassisRemoveMemberView(PermissionRequiredMixin, GetReturnURLMixin, View):
     permission_required = 'dcim.change_virtualchassis'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         device = get_object_or_404(Device, pk=pk, virtual_chassis__isnull=False)
@@ -2227,6 +2247,7 @@ class PowerPanelListView(PermissionRequiredMixin, ObjectListView):
 class PowerPanelView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_powerpanel'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         powerpanel = get_object_or_404(PowerPanel.objects.select_related('site', 'rack_group'), pk=pk)
@@ -2296,6 +2317,7 @@ class PowerFeedListView(PermissionRequiredMixin, ObjectListView):
 class PowerFeedView(PermissionRequiredMixin, View):
     permission_required = 'dcim.view_powerfeed'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         powerfeed = get_object_or_404(PowerFeed.objects.select_related('power_panel', 'rack'), pk=pk)

netbox/extras/views.py

@@ -7,6 +7,8 @@
 from django.http import Http404
 from django.shortcuts import get_object_or_404, redirect, render
 from django.utils.safestring import mark_safe
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import cache_page
 from django.views.generic import View
 from django_tables2 import RequestConfig
 
@@ -41,6 +43,7 @@ class TagListView(ObjectListView):
 
 class TagView(View):
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, slug):
 
         tag = get_object_or_404(Tag, slug=slug)
@@ -108,6 +111,7 @@ class ConfigContextListView(PermissionRequiredMixin, ObjectListView):
 class ConfigContextView(PermissionRequiredMixin, View):
     permission_required = 'extras.view_configcontext'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         configcontext = get_object_or_404(ConfigContext, pk=pk)
@@ -155,6 +159,7 @@ class ObjectConfigContextView(View):
     object_class = None
     base_template = None
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         obj = get_object_or_404(self.object_class, pk=pk)
@@ -187,6 +192,7 @@ class ObjectChangeListView(PermissionRequiredMixin, ObjectListView):
 class ObjectChangeView(PermissionRequiredMixin, View):
     permission_required = 'extras.view_objectchange'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         objectchange = get_object_or_404(ObjectChange, pk=pk)
@@ -209,6 +215,7 @@ class ObjectChangeLogView(View):
     Present a history of changes made to a particular object.
     """
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, model, **kwargs):
 
         # Get object my model and kwargs (e.g. slug='foo')
@@ -282,6 +289,7 @@ class ReportListView(PermissionRequiredMixin, View):
     """
     permission_required = 'extras.view_reportresult'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request):
 
         reports = get_reports()
@@ -306,6 +314,7 @@ class ReportView(PermissionRequiredMixin, View):
     """
     permission_required = 'extras.view_reportresult'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, name):
 
         # Retrieve the Report by "<module>.<report>"

netbox/ipam/views.py

@@ -3,6 +3,8 @@
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.db.models import Count, Q
 from django.shortcuts import get_object_or_404, redirect, render
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import cache_page
 from django.views.generic import View
 from django_tables2 import RequestConfig
 
@@ -125,6 +127,7 @@ class VRFListView(PermissionRequiredMixin, ObjectListView):
 class VRFView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_vrf'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         vrf = get_object_or_404(VRF.objects.all(), pk=pk)
@@ -319,6 +322,7 @@ def extra_context(self):
 class AggregateView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_aggregate'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         aggregate = get_object_or_404(Aggregate, pk=pk)
@@ -456,6 +460,7 @@ def alter_queryset(self, request):
 class PrefixView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_prefix'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         prefix = get_object_or_404(Prefix.objects.select_related(
@@ -500,6 +505,7 @@ def get(self, request, pk):
 class PrefixPrefixesView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_prefix'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         prefix = get_object_or_404(Prefix.objects.all(), pk=pk)
@@ -543,6 +549,7 @@ def get(self, request, pk):
 class PrefixIPAddressesView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_prefix'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         prefix = get_object_or_404(Prefix.objects.all(), pk=pk)
@@ -643,6 +650,7 @@ class IPAddressListView(PermissionRequiredMixin, ObjectListView):
 class IPAddressView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_ipaddress'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         ipaddress = get_object_or_404(IPAddress.objects.select_related('vrf__tenant', 'tenant'), pk=pk)
@@ -726,6 +734,7 @@ def dispatch(self, request, *args, **kwargs):
 
         return super().dispatch(request, *args, **kwargs)
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request):
 
         form = forms.IPAddressAssignForm()
@@ -838,6 +847,7 @@ class VLANGroupBulkDeleteView(PermissionRequiredMixin, BulkDeleteView):
 class VLANGroupVLANsView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_vlangroup'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         vlan_group = get_object_or_404(VLANGroup.objects.all(), pk=pk)
@@ -888,6 +898,7 @@ class VLANListView(PermissionRequiredMixin, ObjectListView):
 class VLANView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_vlan'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         vlan = get_object_or_404(VLAN.objects.select_related(
@@ -906,6 +917,7 @@ def get(self, request, pk):
 class VLANMembersView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_vlan'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         vlan = get_object_or_404(VLAN.objects.all(), pk=pk)
@@ -984,6 +996,7 @@ class ServiceListView(PermissionRequiredMixin, ObjectListView):
 class ServiceView(PermissionRequiredMixin, View):
     permission_required = 'ipam.view_service'
 
+    @method_decorator(cache_page(settings.CACHE_TIMEOUT))
     def get(self, request, pk):
 
         service = get_object_or_404(Service, pk=pk)