views.py 97.7 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
# 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/>.

18
from __future__ import unicode_literals, absolute_import
19

20 21
from os import getenv
import json
Őry Máté committed
22
import logging
23
import re
24
from hashlib import md5
25
import requests
26

27
from django.conf import settings
28
from django.contrib.auth.models import User, Group
Őry Máté committed
29
from django.contrib.auth.views import login, redirect_to_login
30
from django.contrib.messages import warning
31
from django.core.exceptions import (
32
    PermissionDenied, SuspiciousOperation,
33
)
34 35
from django.core import signing
from django.core.urlresolvers import reverse, reverse_lazy
36
from django.db.models import Count
37
from django.http import HttpResponse, HttpResponseRedirect, Http404
Őry Máté committed
38
from django.shortcuts import redirect, render, get_object_or_404
39
from django.views.decorators.http import require_GET, require_POST
40
from django.views.generic.detail import SingleObjectMixin
41
from django.views.generic import (TemplateView, DetailView, View, DeleteView,
42
                                  UpdateView, CreateView, ListView)
43 44
from django.contrib import messages
from django.utils.translation import ugettext as _
45
from django.utils.translation import ungettext as __
46
from django.template.defaultfilters import title as title_filter
47
from django.template.loader import render_to_string
48
from django.template import RequestContext
49
from django.templatetags.static import static
50

51
from django.forms.models import inlineformset_factory
52
from django_tables2 import SingleTableView
53 54
from braces.views import (LoginRequiredMixin, SuperuserRequiredMixin,
                          PermissionRequiredMixin)
55
from braces.views._access import AccessMixin
Kálmán Viktor committed
56

57
from .forms import (
58
    CircleAuthenticationForm, DiskAddForm, HostForm, LeaseForm, MyProfileForm,
59
    NodeForm, TemplateForm, TraitForm, VmCustomizeForm, GroupCreateForm,
60
    UserCreationForm,
61
    CirclePasswordChangeForm
62
)
63 64 65 66

from .tables import (
    NodeListTable, NodeVmListTable, TemplateListTable, LeaseListTable,
    GroupListTable,
67
)
Őry Máté committed
68 69 70 71
from vm.models import (
    Instance, instance_activity, InstanceActivity, InstanceTemplate, Interface,
    InterfaceTemplate, Lease, Node, NodeActivity, Trait,
)
72
from storage.models import Disk
73
from firewall.models import Vlan, Host, Rule
74
from .models import Favourite, Profile, GroupProfile
75

Őry Máté committed
76
logger = logging.getLogger(__name__)
77

78

79 80 81 82
def search_user(keyword):
    try:
        return User.objects.get(username=keyword)
    except User.DoesNotExist:
83 84 85 86
        try:
            return User.objects.get(profile__org_id=keyword)
        except User.DoesNotExist:
            return User.objects.get(email=keyword)
87 88


89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
# github.com/django/django/blob/stable/1.6.x/django/contrib/messages/views.py
class SuccessMessageMixin(object):
    """
    Adds a success message on successful form submission.
    """
    success_message = ''

    def form_valid(self, form):
        response = super(SuccessMessageMixin, self).form_valid(form)
        success_message = self.get_success_message(form.cleaned_data)
        if success_message:
            messages.success(self.request, success_message)
        return response

    def get_success_message(self, cleaned_data):
        return self.success_message % cleaned_data


107
class IndexView(LoginRequiredMixin, TemplateView):
Kálmán Viktor committed
108
    template_name = "dashboard/index.html"
109

110
    def get_context_data(self, **kwargs):
111
        user = self.request.user
112
        context = super(IndexView, self).get_context_data(**kwargs)
113

114
        # instances
115
        favs = Instance.objects.filter(favourite__user=self.request.user)
116
        instances = Instance.get_objects_with_level(
117
            'user', user, disregard_superuser=True).filter(destroyed_at=None)
118 119 120
        display = list(favs) + list(set(instances) - set(favs))
        for d in display:
            d.fav = True if d in favs else False
121
        context.update({
122
            'instances': display[:5],
123
            'more_instances': instances.count() - len(instances[:5])
124 125
        })

126 127
        running = instances.filter(status='RUNNING')
        stopped = instances.exclude(status__in=('RUNNING', 'NOSTATE'))
128

129
        context.update({
130 131 132
            'running_vms': running[:20],
            'running_vm_num': running.count(),
            'stopped_vm_num': stopped.count()
133
        })
134

135 136 137 138
        # nodes
        if user.is_superuser:
            nodes = Node.objects.all()
            context.update({
139 140
                'nodes': nodes[:5],
                'more_nodes': nodes.count() - len(nodes[:5]),
141 142 143 144 145 146 147 148 149 150
                '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
151
        if user.has_module_perms('auth'):
152 153
            profiles = GroupProfile.get_objects_with_level('operator', user)
            groups = Group.objects.filter(groupprofile__in=profiles)
154 155 156 157
            context.update({
                'groups': groups[:5],
                'more_groups': groups.count() - len(groups[:5]),
            })
158 159 160 161 162 163

        # template
        if user.has_perm('vm.create_template'):
            context['templates'] = InstanceTemplate.get_objects_with_level(
                'operator', user).all()[:5]

164 165
        return context

166

167
def get_vm_acl_data(obj):
168 169 170 171 172 173 174 175 176
    levels = obj.ACL_LEVELS
    users = obj.get_users_with_level()
    users = [{'user': u, 'level': l} for u, l in users]
    groups = obj.get_groups_with_level()
    groups = [{'group': g, 'level': l} for g, l in groups]
    return {'users': users, 'groups': groups, 'levels': levels,
            'url': reverse('dashboard.views.vm-acl', args=[obj.pk])}


177 178 179 180 181 182 183 184 185 186 187
def get_group_acl_data(obj):
    aclobj = obj.profile
    levels = aclobj.ACL_LEVELS
    users = aclobj.get_users_with_level()
    users = [{'user': u, 'level': l} for u, l in users]
    groups = aclobj.get_groups_with_level()
    groups = [{'group': g, 'level': l} for g, l in groups]
    return {'users': users, 'groups': groups, 'levels': levels,
            'url': reverse('dashboard.views.group-acl', args=[obj.pk])}


188
class CheckedDetailView(LoginRequiredMixin, DetailView):
189 190
    read_level = 'user'

191 192 193
    def get_has_level(self):
        return self.object.has_level

194 195
    def get_context_data(self, **kwargs):
        context = super(CheckedDetailView, self).get_context_data(**kwargs)
196
        if not self.get_has_level()(self.request.user, self.read_level):
197 198 199 200
            raise PermissionDenied()
        return context


201 202 203 204 205 206 207 208 209
class VmDetailVncTokenView(CheckedDetailView):
    template_name = "dashboard/vm-detail.html"
    model = Instance

    def get(self, request, **kwargs):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'operator'):
            raise PermissionDenied()
        if self.object.node:
210 211 212 213 214 215 216 217
            with instance_activity(code_suffix='console-accessed',
                                   instance=self.object, user=request.user,
                                   concurrency_check=False):
                port = self.object.vnc_port
                host = str(self.object.node.host.ipv4)
                value = signing.dumps({'host': host, 'port': port},
                                      key=getenv("PROXY_SECRET", 'asdasd')),
                return HttpResponse('vnc/?d=%s' % value)
218 219 220 221
        else:
            raise Http404()


222
class VmDetailView(CheckedDetailView):
Kálmán Viktor committed
223
    template_name = "dashboard/vm-detail.html"
224
    model = Instance
225 226

    def get_context_data(self, **kwargs):
227
        context = super(VmDetailView, self).get_context_data(**kwargs)
228
        instance = context['instance']
229 230 231
        context.update({
            'graphite_enabled': VmGraphView.get_graphite_url() is not None,
            'vnc_url': reverse_lazy("dashboard.views.detail-vnc",
232
                                    kwargs={'pk': self.object.pk}),
233
            'ops': get_operations(instance, self.request.user),
234
        })
235 236

        # activity data
237
        context['activities'] = self.object.get_activities(self.request.user)
238

239
        context['vlans'] = Vlan.get_objects_with_level(
240
            'user', self.request.user
241
        ).exclude(  # exclude already added interfaces
242 243 244
            pk__in=Interface.objects.filter(
                instance=self.get_object()).values_list("vlan", flat=True)
        ).all()
245
        context['acl'] = get_vm_acl_data(instance)
246
        context['forms'] = {
247
            'disk_add_form': DiskAddForm(
248
                user=self.request.user,
249
                is_template=False, object_pk=self.get_object().pk,
250
                prefix="disk"),
251
        }
252 253
        context['os_type_icon'] = instance.os_type.replace("unknown",
                                                           "question")
254
        return context
Kálmán Viktor committed
255

256 257 258 259 260
    def post(self, request, *args, **kwargs):
        if (request.POST.get('ram-size') and request.POST.get('cpu-count')
                and request.POST.get('cpu-priority')):
            return self.__set_resources(request)

261 262 263
        options = {
            'change_password': self.__change_password,
            'new_name': self.__set_name,
264
            'new_description': self.__set_description,
265 266
            'new_tag': self.__add_tag,
            'to_remove': self.__remove_tag,
267 268
            'port': self.__add_port,
            'new_network_vlan': self.__new_network,
269
            'abort_operation': self.__abort_operation,
270 271 272 273
        }
        for k, v in options.iteritems():
            if request.POST.get(k) is not None:
                return v(request)
Kálmán Viktor committed
274

275 276 277 278
    def __change_password(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
Kálmán Viktor committed
279

280
        self.object.change_password(user=request.user)
281
        messages.success(request, _("Password changed."))
282
        if request.is_ajax():
283
            return HttpResponse("Success.")
284 285 286
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.object.pk}))
287

288 289 290 291
    def __set_resources(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
292 293
        if not request.user.has_perm('vm.change_resources'):
            raise PermissionDenied()
294 295 296 297

        resources = {
            'num_cores': request.POST.get('cpu-count'),
            'ram_size': request.POST.get('ram-size'),
298
            'max_ram_size': request.POST.get('ram-size'),  # TODO: max_ram
299 300 301 302
            'priority': request.POST.get('cpu-priority')
        }
        Instance.objects.filter(pk=self.object.pk).update(**resources)

303
        success_message = _("Resources successfully updated.")
304 305 306 307 308 309 310 311 312 313 314
        if request.is_ajax():
            response = {'message': success_message}
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.object.pk}))

315 316
    def __set_name(self, request):
        self.object = self.get_object()
317 318
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
319 320 321 322
        new_name = request.POST.get("new_name")
        Instance.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

323
        success_message = _("VM successfully renamed.")
324 325 326 327 328 329 330 331 332 333 334 335
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
                'vm_pk': self.object.pk
            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
336 337 338 339 340 341 342 343 344 345 346
            return redirect(self.object.get_absolute_url())

    def __set_description(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        new_description = request.POST.get("new_description")
        Instance.objects.filter(pk=self.object.pk).update(
            **{'description': new_description})

347
        success_message = _("VM description successfully updated.")
348 349 350 351 352 353 354 355 356 357 358 359
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_description': new_description,
            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(self.object.get_absolute_url())
360

Kálmán Viktor committed
361 362 363
    def __add_tag(self, request):
        new_tag = request.POST.get('new_tag')
        self.object = self.get_object()
364 365
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
Kálmán Viktor committed
366 367

        if len(new_tag) < 1:
368
            message = u"Please input something."
Kálmán Viktor committed
369
        elif len(new_tag) > 20:
370
            message = u"Tag name is too long."
Kálmán Viktor committed
371 372 373 374 375 376 377 378 379 380 381 382 383 384 385
        else:
            self.object.tags.add(new_tag)

        try:
            messages.error(request, message)
        except:
            pass

        return redirect(reverse_lazy("dashboard.views.detail",
                                     kwargs={'pk': self.object.pk}))

    def __remove_tag(self, request):
        try:
            to_remove = request.POST.get('to_remove')
            self.object = self.get_object()
386 387
            if not self.object.has_level(request.user, 'owner'):
                raise PermissionDenied()
Kálmán Viktor committed
388 389 390 391 392 393 394 395 396 397 398

            self.object.tags.remove(to_remove)
            message = u"Success"
        except:  # note this won't really happen
            message = u"Not success"

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': message}),
                content_type="application=json"
            )
399 400 401
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                            kwargs={'pk': self.object.pk}))
Kálmán Viktor committed
402

403 404
    def __add_port(self, request):
        object = self.get_object()
405 406
        if (not object.has_level(request.user, 'owner') or
                not request.user.has_perm('vm.config_ports')):
407
            raise PermissionDenied()
408 409 410 411 412 413

        port = request.POST.get("port")
        proto = request.POST.get("proto")

        try:
            error = None
414 415 416
            interfaces = object.interface_set.all()
            host = Host.objects.get(pk=request.POST.get("host_pk"),
                                    interface__in=interfaces)
417
            host.add_port(proto, private=port)
418 419 420 421 422
        except Host.DoesNotExist:
            logger.error('Tried to add port to nonexistent host %d. User: %s. '
                         'Instance: %s', request.POST.get("host_pk"),
                         unicode(request.user), object)
            raise PermissionDenied()
423
        except ValueError:
424
            error = _("There is a problem with your input.")
425
        except Exception as e:
Bach Dániel committed
426 427
            error = _("Unknown error.")
            logger.error(e)
428 429 430 431 432 433 434 435 436

        if request.is_ajax():
            pass
        else:
            if error:
                messages.error(request, error)
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.get_object().pk}))

437 438 439 440 441
    def __new_network(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

442
        vlan = get_object_or_404(Vlan, pk=request.POST.get("new_network_vlan"))
443 444
        if not vlan.has_level(request.user, 'user'):
            raise PermissionDenied()
445
        try:
446
            self.object.add_interface(vlan=vlan, user=request.user)
447
            messages.success(request, _("Successfully added new interface."))
448 449 450 451 452 453 454
        except Exception, e:
            error = u' '.join(e.messages)
            messages.error(request, error)

        return redirect("%s#network" % reverse_lazy(
            "dashboard.views.detail", kwargs={'pk': self.object.pk}))

455
    def __abort_operation(self, request):
Kálmán Viktor committed
456 457 458 459
        self.object = self.get_object()

        activity = get_object_or_404(InstanceActivity,
                                     pk=request.POST.get("activity"))
460 461
        if not activity.is_abortable_for(request.user):
            raise PermissionDenied()
Kálmán Viktor committed
462 463 464
        activity.abort()
        return redirect("%s#activity" % self.object.get_absolute_url())

465

466
class OperationView(DetailView):
467

468
    template_name = 'dashboard/operate.html'
469

470 471 472
    @property
    def name(self):
        return self.get_op().name
473

474 475 476
    @property
    def description(self):
        return self.get_op().description
477

478 479 480
    @classmethod
    def get_urlname(cls):
        return 'dashboard.vm.op.%s' % cls.op
481

482 483
    def get_url(self):
        return reverse(self.get_urlname(), args=(self.get_object().pk, ))
484

485 486 487 488 489
    def get_wrapper_template_name(self):
        if self.request.is_ajax():
            return 'dashboard/_modal.html'
        else:
            return 'dashboard/_base.html'
490

491 492 493
    @classmethod
    def get_op_by_object(cls, obj):
        return getattr(obj, cls.op)
494

495 496 497 498
    def get_op(self):
        if not hasattr(self, '_opobj'):
            setattr(self, '_opobj', getattr(self.get_object(), self.op))
        return self._opobj
499

500
    def get_context_data(self, **kwargs):
501
        ctx = super(OperationView, self).get_context_data(**kwargs)
502 503 504
        ctx['op'] = self.get_op()
        ctx['url'] = self.request.path
        return ctx
505

506 507 508 509 510 511 512
    def get(self, request, *args, **kwargs):
        self.get_op().check_auth(request.user)
        response = super(OperationView, self).get(request, *args, **kwargs)
        response.render()
        response.content = render_to_string(self.get_wrapper_template_name(),
                                            {'body': response.content})
        return response
513

514
    def post(self, request, extra=None, *args, **kwargs):
515
        self.object = self.get_object()
516 517
        if extra is None:
            extra = {}
518
        try:
519
            self.get_op().async(user=request.user, **extra)
520 521 522
        except Exception as e:
            messages.error(request, _('Could not start operation.'))
            logger.error(e)
523
        return redirect("%s#activity" % self.object.get_absolute_url())
524

525 526 527 528
    @classmethod
    def factory(cls, op, icon='cog'):
        return type(str(cls.__name__ + op),
                    (cls, ), {'op': op, 'icon': icon})
529

530 531 532 533 534 535 536 537 538 539
    @classmethod
    def bind_to_object(cls, instance):
        v = cls()
        v.get_object = lambda: instance
        return v


class VmOperationView(OperationView):

    model = Instance
540
    context_object_name = 'instance'  # much simpler to mock object
541

542

543 544 545 546 547 548 549
class VmMigrateView(VmOperationView):

    op = 'migrate'
    icon = 'truck'
    template_name = 'dashboard/_vm-migrate.html'

    def get_context_data(self, **kwargs):
550
        ctx = super(VmMigrateView, self).get_context_data(**kwargs)
551 552 553 554 555
        ctx['nodes'] = [n for n in Node.objects.filter(enabled=True)
                        if n.state == "ONLINE"]
        return ctx

    def post(self, request, extra=None, *args, **kwargs):
556 557
        if extra is None:
            extra = {}
558 559 560 561 562 563 564
        node = self.request.POST.get("node")
        if node:
            node = get_object_or_404(Node, pk=node)
            extra["to_node"] = node
        return super(VmMigrateView, self).post(request, extra, *args, **kwargs)


565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584
class VmSaveView(VmOperationView):

    op = 'save_as_template'
    icon = 'save'
    template_name = 'dashboard/_vm-save.html'

    def get_context_data(self, **kwargs):
        ctx = super(VmSaveView, self).get_context_data(**kwargs)
        ctx['name'] = self.get_op()._rename(self.object.name)
        return ctx

    def post(self, request, extra=None, *args, **kwargs):
        if extra is None:
            extra = {}
        name = self.request.POST.get("name")
        if name:
            extra["name"] = name
        return super(VmSaveView, self).post(request, extra, *args, **kwargs)


585 586 587
vm_ops = {
    'reset': VmOperationView.factory(op='reset', icon='bolt'),
    'deploy': VmOperationView.factory(op='deploy', icon='play'),
588
    'migrate': VmMigrateView,
589 590 591
    'reboot': VmOperationView.factory(op='reboot', icon='refresh'),
    'shut_off': VmOperationView.factory(op='shut_off', icon='ban-circle'),
    'shutdown': VmOperationView.factory(op='shutdown', icon='off'),
592
    'save_as_template': VmSaveView,
593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610
    'destroy': VmOperationView.factory(op='destroy', icon='remove'),
    'sleep': VmOperationView.factory(op='sleep', icon='moon'),
    'wake_up': VmOperationView.factory(op='wake_up', icon='sun'),
}


def get_operations(instance, user):
    ops = []
    for k, v in vm_ops.iteritems():
        try:
            op = v.get_op_by_object(instance)
            op.check_auth(user)
            op.check_precond()
        except:
            pass  # unavailable
        else:
            ops.append(v.bind_to_object(instance))
    return ops
611

Kálmán Viktor committed
612

613
class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
614 615
    template_name = "dashboard/node-detail.html"
    model = Node
616 617
    form = None
    form_class = TraitForm
618

619 620 621
    def get_context_data(self, form=None, **kwargs):
        if form is None:
            form = self.form_class()
622
        context = super(NodeDetailView, self).get_context_data(**kwargs)
623 624
        instances = Instance.active.filter(node=self.object)
        context['table'] = NodeVmListTable(instances)
625 626 627 628
        na = NodeActivity.objects.filter(
            node=self.object, parent=None
        ).order_by('-started').select_related()
        context['activities'] = na
629
        context['trait_form'] = form
630 631
        context['graphite_enabled'] = (
            NodeGraphView.get_graphite_url() is not None)
632 633
        return context

634 635 636
    def post(self, request, *args, **kwargs):
        if request.POST.get('new_name'):
            return self.__set_name(request)
637 638
        if request.POST.get('to_remove'):
            return self.__remove_trait(request)
639 640
        return redirect(reverse_lazy("dashboard.views.node-detail",
                                     kwargs={'pk': self.get_object().pk}))
641 642 643 644 645 646 647

    def __set_name(self, request):
        self.object = self.get_object()
        new_name = request.POST.get("new_name")
        Node.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

648
        success_message = _("Node successfully renamed.")
649 650 651 652 653
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
                'node_pk': self.object.pk
654 655 656 657 658 659 660 661 662 663
            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.node-detail",
                                         kwargs={'pk': self.object.pk}))

664 665 666 667
    def __remove_trait(self, request):
        try:
            to_remove = request.POST.get('to_remove')
            self.object = self.get_object()
668
            self.object.traits.remove(to_remove)
669 670 671 672 673 674 675
            message = u"Success"
        except:  # note this won't really happen
            message = u"Not success"

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': message}),
676
                content_type="application/json"
677
            )
678
        else:
679
            return redirect(self.object.get_absolute_url())
680

681

682
class GroupDetailView(CheckedDetailView):
683 684
    template_name = "dashboard/group-detail.html"
    model = Group
685
    read_level = 'operator'
686 687 688

    def get_has_level(self):
        return self.object.profile.has_level
689 690 691

    def get_context_data(self, **kwargs):
        context = super(GroupDetailView, self).get_context_data(**kwargs)
692 693 694
        context['group'] = self.object
        context['users'] = self.object.user_set.all()
        context['acl'] = get_group_acl_data(self.object)
695 696 697
        return context

    def post(self, request, *args, **kwargs):
698 699 700
        self.object = self.get_object()
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
701 702
        if request.POST.get('new_name'):
            return self.__set_name(request)
703
        if request.POST.get('list-new-name'):
704
            return self.__add_user(request)
705
        if request.POST.get('list-new-namelist'):
706
            return self.__add_list(request)
707 708 709 710
        if (request.POST.get('list-new-name') is not None) and \
                (request.POST.get('list-new-namelist') is not None):
            return redirect(reverse_lazy("dashboard.views.group-detail",
                                         kwargs={'pk': self.get_object().pk}))
711 712

    def __add_user(self, request):
713
        name = request.POST['list-new-name']
714 715 716
        self.__add_username(request, name)
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
717 718

    def __add_username(self, request, name):
719
        if not name:
720
            return
721 722
        try:
            entity = User.objects.get(username=name)
723
            self.object.user_set.add(entity)
724 725
        except User.DoesNotExist:
            warning(request, _('User "%s" not found.') % name)
726

727
    def __add_list(self, request):
728 729
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
730 731 732
        userlist = request.POST.get('list-new-namelist').split('\r\n')
        for line in userlist:
            self.__add_username(request, line)
733 734
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
735 736 737 738 739 740

    def __set_name(self, request):
        new_name = request.POST.get("new_name")
        Group.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

741
        success_message = _("Group successfully renamed.")
742 743 744 745
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
746
                'group_pk': self.object.pk
747 748 749 750 751 752 753 754 755 756 757
            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.group-detail",
                                         kwargs={'pk': self.object.pk}))


758
class AclUpdateView(LoginRequiredMixin, View, SingleObjectMixin):
759

760
    def post(self, request, *args, **kwargs):
761
        instance = self.get_object()
762 763
        if not (instance.has_level(request.user, "owner") or
                getattr(instance, 'owner', None) == request.user):
Őry Máté committed
764 765
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(instance), unicode(request.user))
766
            raise PermissionDenied()
767
        self.set_levels(request, instance)
768
        self.remove_levels(request, instance)
769
        self.add_levels(request, instance)
770
        return redirect("%s#access" % instance.get_absolute_url())
771 772

    def set_levels(self, request, instance):
773 774 775
        for key, value in request.POST.items():
            m = re.match('perm-([ug])-(\d+)', key)
            if m:
776 777
                typ, id = m.groups()
                entity = {'u': User, 'g': Group}[typ].objects.get(id=id)
778
                if getattr(instance, "owner", None) == entity:
779 780 781
                    logger.info("Tried to set owner's acl level for %s by %s.",
                                unicode(instance), unicode(request.user))
                    continue
782
                instance.set_level(entity, value)
Őry Máté committed
783 784 785
                logger.info("Set %s's acl level for %s to %s by %s.",
                            unicode(entity), unicode(instance),
                            value, unicode(request.user))
786

787 788 789 790 791 792 793 794 795 796
    def remove_levels(self, request, instance):
        for key, value in request.POST.items():
            if key.startswith("remove"):
                typ = key[7:8]  # len("remove-")
                id = key[9:]  # len("remove-x-")
                entity = {'u': User, 'g': Group}[typ].objects.get(id=id)
                if getattr(instance, "owner", None) == entity:
                    logger.info("Tried to remove owner from %s by %s.",
                                unicode(instance), unicode(request.user))
                    msg = _("The original owner cannot be removed, however "
797
                            "you can transfer ownership.")
798 799 800 801 802 803 804
                    messages.warning(request, msg)
                    continue
                instance.set_level(entity, None)
                logger.info("Revoked %s's access to %s by %s.",
                            unicode(entity), unicode(instance),
                            unicode(request.user))

805
    def add_levels(self, request, instance):
806 807
        name = request.POST['perm-new-name']
        value = request.POST['perm-new']
808 809 810 811 812 813
        if not name:
            return
        try:
            entity = User.objects.get(username=name)
        except User.DoesNotExist:
            entity = None
814 815
            try:
                entity = Group.objects.get(name=name)
816 817 818 819
            except Group.DoesNotExist:
                warning(request, _('User or group "%s" not found.') % name)
                return

820
        instance.set_level(entity, value)
Őry Máté committed
821 822 823
        logger.info("Set %s's new acl level for %s to %s by %s.",
                    unicode(entity), unicode(instance),
                    value, unicode(request.user))
824

Kálmán Viktor committed
825

826 827 828 829 830 831 832 833 834 835
class TemplateAclUpdateView(AclUpdateView):
    model = InstanceTemplate

    def post(self, request, *args, **kwargs):
        template = self.get_object()
        if not (template.has_level(request.user, "owner") or
                getattr(template, 'owner', None) == request.user):
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(template), unicode(request.user))
            raise PermissionDenied()
836 837 838 839 840 841 842 843 844

        name = request.POST['perm-new-name']
        if (User.objects.filter(username=name).count() +
                Group.objects.filter(name=name).count() < 1
                and len(name) > 0):
            warning(request, _('User or group "%s" not found.') % name)
        else:
            self.set_levels(request, template)
            self.add_levels(request, template)
845
            self.remove_levels(request, template)
846 847 848 849 850 851

            post_for_disk = request.POST.copy()
            post_for_disk['perm-new'] = 'user'
            request.POST = post_for_disk
            for d in template.disks.all():
                self.add_levels(request, d)
852

853
        return redirect(template)
854 855


856 857 858 859 860 861 862 863 864 865
class GroupAclUpdateView(AclUpdateView):
    model = Group

    def post(self, request, *args, **kwargs):
        instance = self.get_object().profile
        if not (instance.has_level(request.user, "owner") or
                getattr(instance, 'owner', None) == request.user):
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(instance), unicode(request.user))
            raise PermissionDenied()
Kálmán Viktor committed
866 867 868

        self.set_levels(request, instance)
        self.add_levels(request, instance)
869 870 871 872
        return redirect(reverse("dashboard.views.group-detail",
                                kwargs=self.kwargs))


873 874 875 876 877 878 879 880 881 882
class TemplateChoose(TemplateView):

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/modal-wrapper.html']
        else:
            return ['dashboard/nojs-wrapper.html']

    def get_context_data(self, *args, **kwargs):
        context = super(TemplateChoose, self).get_context_data(*args, **kwargs)
883
        templates = InstanceTemplate.get_objects_with_level("user",
884 885 886 887
                                                            self.request.user)
        context.update({
            'box_title': _('Choose template'),
            'ajax_title': False,
888
            'template': "dashboard/_template-choose.html",
889
            'templates': templates.all(),
890 891 892
        })
        return context

893 894 895 896 897 898 899
    def post(self, request, *args, **kwargs):
        if not request.user.has_perm('vm.create_template'):
            raise PermissionDenied()

        template = request.POST.get("parent")
        if template == "base_vm":
            return redirect(reverse("dashboard.views.template-create"))
900
        elif template is None:
901
            messages.warning(request, _("Select an option to proceed."))
902
            return redirect(reverse("dashboard.views.template-choose"))
903 904 905 906 907 908 909 910
        else:
            template = get_object_or_404(InstanceTemplate, pk=template)

        instance = Instance.create_from_template(
            template=template, owner=request.user, is_base=True)

        return redirect(instance.get_absolute_url())

911

912 913 914 915
class TemplateCreate(SuccessMessageMixin, CreateView):
    model = InstanceTemplate
    form_class = TemplateForm

916 917
    def get_template_names(self):
        if self.request.is_ajax():
918
            pass
919 920 921 922 923 924 925
        else:
            return ['dashboard/nojs-wrapper.html']

    def get_context_data(self, *args, **kwargs):
        context = super(TemplateCreate, self).get_context_data(*args, **kwargs)

        context.update({
926
            'box_title': _("Create a new base VM"),
927
            'template': "dashboard/_template-create.html",
928
            'leases': Lease.objects.count()
929 930 931
        })
        return context

932
    def get(self, *args, **kwargs):
933 934
        if not self.request.user.has_perm('vm.create_template'):
            raise PermissionDenied()
935

936 937 938 939
        return super(TemplateCreate, self).get(*args, **kwargs)

    def get_form_kwargs(self):
        kwargs = super(TemplateCreate, self).get_form_kwargs()
940
        kwargs['user'] = self.request.user
941 942
        return kwargs

943 944 945
    def post(self, request, *args, **kwargs):
        if not self.request.user.has_perm('vm.create_template'):
            raise PermissionDenied()
946 947

        form = self.form_class(request.POST, user=request.user)
948 949
        if not form.is_valid():
            return self.get(request, form, *args, **kwargs)
950
        else:
951
            post = form.cleaned_data
952 953
            networks = self.__create_networks(post.pop("networks"),
                                              request.user)
954
            post.pop("parent")
955
            post['max_ram_size'] = post['ram_size']
956 957 958 959 960 961 962
            req_traits = post.pop("req_traits")
            tags = post.pop("tags")
            post['pw'] = User.objects.make_random_password()
            post['is_base'] = True
            inst = Instance.create(params=post, disks=[],
                                   networks=networks,
                                   tags=tags, req_traits=req_traits)
963

964
            return redirect("%s#resources" % inst.get_absolute_url())
965

966 967
        return super(TemplateCreate, self).post(self, request, args, kwargs)

968
    def __create_networks(self, vlans, user):
969 970
        networks = []
        for v in vlans:
971 972
            if not v.has_level(user, "user"):
                raise PermissionDenied()
973 974 975
            networks.append(InterfaceTemplate(vlan=v, managed=v.managed))
        return networks

976 977 978 979
    def get_success_url(self):
        return reverse_lazy("dashboard.views.template-list")


980
class TemplateDetail(LoginRequiredMixin, SuccessMessageMixin, UpdateView):
981
    model = InstanceTemplate
982 983
    template_name = "dashboard/template-edit.html"
    form_class = TemplateForm
984
    success_message = _("Successfully modified template.")
985 986

    def get(self, request, *args, **kwargs):
987
        template = self.get_object()
988
        if not template.has_level(request.user, 'user'):
989
            raise PermissionDenied()
990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010
        if request.is_ajax():
            template = {
                'num_cores': template.num_cores,
                'ram_size': template.ram_size,
                'priority': template.priority,
                'arch': template.arch,
                'description': template.description,
                'system': template.system,
                'name': template.name,
                'disks': [{'pk': d.pk, 'name': d.name}
                          for d in template.disks.all()],
                'network': [
                    {'vlan_pk': i.vlan.pk, 'vlan': i.vlan.name,
                     'managed': i.managed}
                    for i in InterfaceTemplate.objects.filter(
                        template=self.get_object()).all()
                ]
            }
            return HttpResponse(json.dumps(template),
                                content_type="application/json")
        else:
1011 1012
            return super(TemplateDetail, self).get(request, *args, **kwargs)

1013
    def get_context_data(self, **kwargs):
1014
        obj = self.get_object()
1015
        context = super(TemplateDetail, self).get_context_data(**kwargs)
1016 1017
        context['acl'] = get_vm_acl_data(obj)
        context['disks'] = obj.disks.all()
1018
        context['disk_add_form'] = DiskAddForm(
1019
            user=self.request.user,
1020
            is_template=True,
1021
            object_pk=obj.pk,
1022 1023
            prefix="disk",
        )
1024 1025
        return context

1026 1027 1028 1029
    def get_success_url(self):
        return reverse_lazy("dashboard.views.template-detail",
                            kwargs=self.kwargs)

1030 1031 1032 1033 1034 1035 1036
    def post(self, request, *args, **kwargs):
        template = self.get_object()
        if not template.has_level(request.user, 'owner'):
            raise PermissionDenied()
        for disk in self.get_object().disks.all():
            if not disk.has_level(request.user, 'user'):
                raise PermissionDenied()
1037 1038 1039
        for network in self.get_object().interface_set.all():
            if not network.vlan.has_level(request.user, "user"):
                raise PermissionDenied()
1040 1041
        return super(TemplateDetail, self).post(self, request, args, kwargs)

1042 1043 1044 1045 1046
    def get_form_kwargs(self):
        kwargs = super(TemplateDetail, self).get_form_kwargs()
        kwargs['user'] = self.request.user
        return kwargs

1047

1048
class TemplateList(LoginRequiredMixin, SingleTableView):
1049 1050 1051 1052 1053 1054 1055
    template_name = "dashboard/template-list.html"
    model = InstanceTemplate
    table_class = TemplateListTable
    table_pagination = False

    def get_context_data(self, *args, **kwargs):
        context = super(TemplateList, self).get_context_data(*args, **kwargs)
1056 1057
        context['lease_table'] = LeaseListTable(Lease.objects.all(),
                                                request=self.request)
1058
        return context
1059

1060 1061 1062 1063 1064 1065
    def get_queryset(self):
        logger.debug('TemplateList.get_queryset() called. User: %s',
                     unicode(self.request.user))
        return InstanceTemplate.get_objects_with_level(
            'user', self.request.user).all()

1066

1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085
class TemplateDelete(LoginRequiredMixin, DeleteView):
    model = InstanceTemplate

    def get_success_url(self):
        return reverse("dashboard.views.template-list")

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']

    def delete(self, request, *args, **kwargs):
        object = self.get_object()
        if not object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        object.delete()
        success_url = self.get_success_url()
1086
        success_message = _("Template successfully deleted.")
1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect(success_url)


1098
class VmList(LoginRequiredMixin, ListView):
Kálmán Viktor committed
1099
    template_name = "dashboard/vm-list.html"
1100

1101 1102
    def get(self, *args, **kwargs):
        if self.request.is_ajax():
1103 1104 1105 1106
            favs = Instance.objects.filter(
                favourite__user=self.request.user).values_list('pk', flat=True)
            instances = Instance.get_objects_with_level(
                'user', self.request.user).filter(
1107
                destroyed_at=None).all()
1108 1109 1110
            instances = [{
                'pk': i.pk,
                'name': i.name,
1111 1112 1113
                'icon': i.get_status_icon(),
                'host': "" if not i.primary_host else i.primary_host.hostname,
                'status': i.get_status_display(),
1114
                'fav': i.pk in favs} for i in instances]
1115
            return HttpResponse(
1116
                json.dumps(list(instances)),  # instances is ValuesQuerySet
1117 1118 1119 1120 1121
                content_type="application/json",
            )
        else:
            return super(VmList, self).get(*args, **kwargs)

1122
    def get_queryset(self):
1123
        logger.debug('VmList.get_queryset() called. User: %s',
1124
                     unicode(self.request.user))
1125
        queryset = Instance.get_objects_with_level(
1126
            'user', self.request.user).filter(destroyed_at=None)
1127 1128 1129
        s = self.request.GET.get("s")
        if s:
            queryset = queryset.filter(name__icontains=s)
1130 1131 1132 1133 1134

        sort = self.request.GET.get("sort")
        # remove "-" that means descending order
        # also check if the column name is valid
        if (sort and
1135
            (sort[1:] if sort[0] == "-" else sort)
1136
                in [i.name for i in Instance._meta.fields] + ["pk"]):
1137
            queryset = queryset.order_by(sort)
1138
        return queryset.select_related('owner', 'node')
1139

1140

1141
class NodeList(LoginRequiredMixin, SuperuserRequiredMixin, SingleTableView):
1142 1143 1144
    template_name = "dashboard/node-list.html"
    table_class = NodeListTable
    table_pagination = False
1145

1146 1147 1148 1149 1150
    def get(self, *args, **kwargs):
        if self.request.is_ajax():
            nodes = Node.objects.all()
            nodes = [{
                'name': i.name,
1151 1152
                'icon': i.get_status_icon(),
                'url': i.get_absolute_url(),
1153
                'label': i.get_status_label(),
1154
                'status': i.state.lower()} for i in nodes]
1155 1156

            return HttpResponse(
1157
                json.dumps(list(nodes)),
1158 1159 1160 1161 1162
                content_type="application/json",
            )
        else:
            return super(NodeList, self).get(*args, **kwargs)

1163 1164 1165 1166
    def get_queryset(self):
        return Node.objects.annotate(
            number_of_VMs=Count('instance_set')).select_related('host')

Őry Máté committed
1167

1168
class GroupList(LoginRequiredMixin, SingleTableView):
1169 1170 1171 1172 1173
    template_name = "dashboard/group-list.html"
    model = Group
    table_class = GroupListTable
    table_pagination = False

1174 1175 1176 1177 1178
    def get(self, *args, **kwargs):
        if self.request.is_ajax():
            groups = [{
                'url': reverse("dashboard.views.group-detail",
                               kwargs={'pk': i.pk}),
1179
                'name': i.name} for i in self.get_queryset()]<