vm: add context support (BootUrl)

circle/circle/urls.py

@@ -17,4 +17,5 @@ urlpatterns = patterns(
     url(r'^admin/', include(admin.site.urls)),
     url(r'^network/', include('network.urls')),
     url(r'^dashboard/', include('dashboard.urls')),
+    url(r'^vm-api/', include('vm.urls')),
 )

circle/vm/models.py

@@ -17,6 +17,7 @@ from .tasks import local_tasks, vm_tasks, net_tasks
 from common.models import ActivityModel, activitycontextimpl
 from firewall.models import Vlan, Host
 from storage.models import Disk
+from django.core import signing
 
 
 logger = logging.getLogger(__name__)
@@ -510,6 +511,7 @@ class Instance(VirtualMachineDescModel, TimeStampedModel):
                 'passwd': '',
                 'port': self.vnc_port
             },
+            'boot_token': signing.dumps(self.id, salt='activate'),
             'raw_data': "" if not self.raw_data else self.raw_data
         }
 

circle/vm/urls.py

+from django.conf.urls import patterns, url
+
+from .views import BootUrl
+
+
+urlpatterns = patterns(
+    '',
+    url(r'^b/(?P<token>.*)/$', BootUrl.as_view()),
+)

circle/vm/views.py

-# Create your views here.
+from django.views.generic.base import View
+from django.http import HttpResponse
+from django.core import signing
+from django.shortcuts import get_object_or_404
+from vm.models import Instance
+from datetime import datetime
+
+
+class BootUrl(View):
+    def get(self, request, token):
+        try:
+            id = signing.loads(token, salt='activate')
+        except:
+            return HttpResponse("Invalid token.")
+        inst = get_object_or_404(Instance, id=id)
+        if inst.active_since:
+            return HttpResponse("Already booted?")
+        else:
+            inst.active_since = datetime.now()
+            inst.save()
+            return HttpResponse("KTHXBYE")