index.py 5.38 KB
Newer Older
Őry Máté committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
# 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 get_cache
22
from django.core.urlresolvers import reverse
Őry Máté committed
23
from django.conf import settings
24
from django.contrib.auth.models import Group, User
Őry Máté committed
25 26 27 28 29 30
from django.views.generic import TemplateView

from braces.views import LoginRequiredMixin

from dashboard.models import GroupProfile
from vm.models import Instance, Node, InstanceTemplate
Kálmán Viktor committed
31
from dashboard.views.vm import vm_ops
Őry Máté committed
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

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
67
        if user.has_perm('vm.view_statistics'):
Őry Máté committed
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89
            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]),
            })

90 91 92 93 94 95 96 97
        # 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]),
            })

Őry Máté committed
98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
        # template
        if user.has_perm('vm.create_template'):
            context['templates'] = InstanceTemplate.get_objects_with_level(
                'operator', user, disregard_superuser=True).all()[:5]

        # toplist
        if settings.STORE_URL:
            cache_key = "files-%d" % self.request.user.pk
            cache = get_cache("default")
            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)
Kálmán Viktor committed
131 132
        operations = [(o, Instance._ops[o.op])
                      for o in vm_ops.values() if o.show_in_toolbar]
Őry Máté committed
133
        ctx.update({"saml": hasattr(settings, "SAML_CONFIG"),
Kálmán Viktor committed
134
                    "operations": operations,
Őry Máté committed
135 136
                    "store": settings.STORE_URL})
        return ctx
137 138


139 140 141 142
class ResizeHelpView(TemplateView):
    template_name = "info/resize.html"


143 144 145 146 147 148 149 150 151 152
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