index.py
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# Copyright 2014 Budapest University of Technology and Economics (BME IK)
#
# This file is part of CIRCLE Cloud.
#
# CIRCLE is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# CIRCLE is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with CIRCLE. If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals, absolute_import
import logging
from django.core.cache import cache
from django.core.urlresolvers import reverse
from django.conf import settings
from django.contrib.auth.models import Group, User
from django.views.generic import TemplateView
from braces.views import LoginRequiredMixin
from dashboard.models import GroupProfile
from vm.models import Instance, Node, InstanceTemplate
from dashboard.views.vm import vm_ops
from network.models import Vxlan
from ..store_api import Store
logger = logging.getLogger(__name__)
class IndexView(LoginRequiredMixin, TemplateView):
template_name = "dashboard/index.html"
def get_context_data(self, **kwargs):
user = self.request.user
context = super(IndexView, self).get_context_data(**kwargs)
# instances
favs = Instance.objects.filter(favourite__user=self.request.user)
instances = Instance.get_objects_with_level(
'user', user, disregard_superuser=True).filter(destroyed_at=None)
display = list(favs) + list(set(instances) - set(favs))
for d in display:
d.fav = True if d in favs else False
context.update({
'instances': display[:5],
'more_instances': instances.count() - len(instances[:5])
})
running = instances.filter(status='RUNNING')
stopped = instances.exclude(status__in=('RUNNING', 'NOSTATE'))
context.update({
'running_vms': running[:20],
'running_vm_num': running.count(),
'stopped_vm_num': stopped.count()
})
# nodes
if user.has_perm('vm.view_statistics'):
nodes = Node.objects.all()
context.update({
'nodes': nodes[:5],
'more_nodes': nodes.count() - len(nodes[:5]),
'sum_node_num': nodes.count(),
'node_num': {
'running': Node.get_state_count(True, True),
'missing': Node.get_state_count(False, True),
'disabled': Node.get_state_count(True, False),
'offline': Node.get_state_count(False, False)
}
})
# groups
if user.has_module_perms('auth'):
profiles = GroupProfile.get_objects_with_level('operator', user)
groups = Group.objects.filter(groupprofile__in=profiles)
context.update({
'groups': groups[:5],
'more_groups': groups.count() - len(groups[:5]),
})
# users
if user.has_module_perms('auth.change_user'):
users = User.objects.all()
context.update({
'users': users[:5],
'more_users': users.count() - len(users[:5]),
})
# template
if user.has_perm('vm.create_template'):
context['templates'] = InstanceTemplate.get_objects_with_level(
'operator', user, disregard_superuser=True).all()[:5]
# vxlan
if user.has_perm('network.create_vxlan'):
context['vxlans'] = Vxlan.get_objects_with_level(
'user', user).all()[:5]
# toplist
if settings.STORE_URL:
cache_key = "files-%d" % self.request.user.pk
files = cache.get(cache_key)
if not files:
try:
store = Store(self.request.user)
toplist = store.toplist()
quota = store.get_quota()
files = {'toplist': toplist, 'quota': quota}
except Exception:
logger.exception("Unable to get tolist for %s",
unicode(self.request.user))
files = {'toplist': []}
cache.set(cache_key, files, 300)
context['files'] = files
else:
context['no_store'] = True
return context
class HelpView(TemplateView):
def get_context_data(self, *args, **kwargs):
ctx = super(HelpView, self).get_context_data(*args, **kwargs)
operations = [(o, Instance._ops[o.op])
for o in vm_ops.values() if o.show_in_toolbar]
ctx.update({"saml": hasattr(settings, "SAML_CONFIG"),
"operations": operations,
"store": settings.STORE_URL})
return ctx
class ResizeHelpView(TemplateView):
template_name = "info/resize.html"
class OpenSearchDescriptionView(TemplateView):
template_name = "dashboard/vm-opensearch.xml"
content_type = "application/opensearchdescription+xml"
def get_context_data(self, **kwargs):
context = super(OpenSearchDescriptionView, self).get_context_data(
**kwargs)
context['url'] = self.request.build_absolute_uri(
reverse("dashboard.views.vm-list"))
return context