Add clustering app

apps/clustering/views.py

@@ -0,0 +1,67 @@
+from __future__ import absolute_import
+
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.utils.translation import ugettext_lazy as _
+from django.shortcuts import get_object_or_404
+from django.db.models.loading import get_model
+from django.http import Http404
+from django.core.exceptions import PermissionDenied
+
+from permissions.models import Permission
+from common.utils import encapsulate
+from acls.models import AccessEntry
+
+from .models import Node
+from .permissions import PERMISSION_NODES_VIEW
+
+
+def node_list(request):
+    Permission.objects.check_permissions(request.user, [PERMISSION_NODES_VIEW])
+
+    context = {
+        'object_list': Node.objects.all(),
+        'title': _(u'nodes'),
+        'extra_columns': [
+            {
+                'name': _(u'hostname'),
+                'attribute': 'hostname',
+            },
+            {
+                'name': _(u'cpu load'),
+                'attribute': 'cpuload',
+            },
+            {
+                'name': _(u'heartbeat'),
+                'attribute': 'heartbeat',
+            },
+            {
+                'name': _(u'memory usage'),
+                'attribute': 'memory_usage',
+            },
+
+        ],
+        'hide_object': True,
+    }
+
+    return render_to_response('generic_list.html', context,
+        context_instance=RequestContext(request))
+
+
+def node_workers(request, node_pk):
+    node = get_object_or_404(Node, pk=node_pk)
+
+    try:
+        Permission.objects.check_permissions(request.user, [PERMISSION_NODES_VIEW])
+    except PermissionDenied:
+        AccessEntry.objects.check_access(PERMISSION_NODES_VIEW, request.user, node)
+
+    context = {
+        'object_list': node.workers.all(),
+        'title': _(u'workers for node: %s') % node,
+        'object': node,
+        'hide_object': True,
+    }
+
+    return render_to_response('generic_list.html', context,
+        context_instance=RequestContext(request))