views.py 106 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
from itertools import chain
21 22
from os import getenv
import json
Őry Máté committed
23
import logging
24
import re
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.contrib.messages.views import SuccessMessageMixin
32
from django.core.exceptions import (
33
    PermissionDenied, SuspiciousOperation,
34
)
35 36
from django.core import signing
from django.core.urlresolvers import reverse, reverse_lazy
37
from django.db.models import Count
38
from django.http import HttpResponse, HttpResponseRedirect, Http404
Őry Máté committed
39
from django.shortcuts import redirect, render, get_object_or_404
40
from django.views.decorators.http import require_GET, require_POST
41
from django.views.generic.detail import SingleObjectMixin
42
from django.views.generic import (TemplateView, DetailView, View, DeleteView,
43
                                  UpdateView, CreateView, ListView)
44 45
from django.contrib import messages
from django.utils.translation import ugettext as _
46
from django.utils.translation import ungettext as __
47
from django.template.loader import render_to_string
48
from django.template import RequestContext
49

50
from django.forms.models import inlineformset_factory
51
from django_tables2 import SingleTableView
52 53
from braces.views import (LoginRequiredMixin, SuperuserRequiredMixin,
                          PermissionRequiredMixin)
54
from braces.views._access import AccessMixin
Kálmán Viktor committed
55

56 57
from django_sshkey.models import UserKey

58
from .forms import (
59
    CircleAuthenticationForm, HostForm, LeaseForm, MyProfileForm,
60
    NodeForm, TemplateForm, TraitForm, VmCustomizeForm, GroupCreateForm,
61
    UserCreationForm, GroupProfileUpdateForm, UnsubscribeForm,
62
    VmSaveForm, UserKeyForm,
63
    CirclePasswordChangeForm, VmCreateDiskForm, VmDownloadDiskForm,
64
    TraitsForm, RawDataForm
65
)
66 67 68

from .tables import (
    NodeListTable, NodeVmListTable, TemplateListTable, LeaseListTable,
69
    GroupListTable, UserKeyListTable
70
)
Őry Máté committed
71 72 73 74
from vm.models import (
    Instance, instance_activity, InstanceActivity, InstanceTemplate, Interface,
    InterfaceTemplate, Lease, Node, NodeActivity, Trait,
)
75
from storage.models import Disk
76
from firewall.models import Vlan, Host, Rule
77
from .models import Favourite, Profile, GroupProfile
78

Őry Máté committed
79
logger = logging.getLogger(__name__)
80
saml_available = hasattr(settings, "SAML_CONFIG")
81

82

83 84 85 86
def search_user(keyword):
    try:
        return User.objects.get(username=keyword)
    except User.DoesNotExist:
87 88 89 90
        try:
            return User.objects.get(profile__org_id=keyword)
        except User.DoesNotExist:
            return User.objects.get(email=keyword)
91 92


93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115
class GroupCodeMixin(object):

    @classmethod
    def get_available_group_codes(cls, request):
        newgroups = []
        if saml_available:
            from djangosaml2.cache import StateCache, IdentityCache
            from djangosaml2.conf import get_config
            from djangosaml2.views import _get_subject_id
            from saml2.client import Saml2Client

            state = StateCache(request.session)
            conf = get_config(None, request)
            client = Saml2Client(conf, state_cache=state,
                                 identity_cache=IdentityCache(request.session),
                                 logger=logger)
            subject_id = _get_subject_id(request.session)
            identity = client.users.get_identity(subject_id,
                                                 check_not_on_or_after=False)
            if identity:
                attributes = identity[0]
                owneratrs = getattr(
                    settings, 'SAML_GROUP_OWNER_ATTRIBUTES', [])
116 117
                for group in chain(*[attributes[i]
                                     for i in owneratrs if i in attributes]):
118 119 120 121 122 123 124 125
                    try:
                        GroupProfile.search(group)
                    except Group.DoesNotExist:
                        newgroups.append(group)

        return newgroups


126
class FilterMixin(object):
127

128 129 130 131
    def get_queryset_filters(self):
        filters = {}
        for item in self.allowed_filters:
            if item in self.request.GET:
132 133 134 135 136
                filters[self.allowed_filters[item]] = (
                    self.request.GET[item].split(",")
                    if self.allowed_filters[item].endswith("__in") else
                    self.request.GET[item])

137
        return filters
138

139 140 141
    def get_queryset(self):
        return super(FilterMixin,
                     self).get_queryset().filter(**self.get_queryset_filters())
142 143


144
class IndexView(LoginRequiredMixin, TemplateView):
Kálmán Viktor committed
145
    template_name = "dashboard/index.html"
146

147
    def get_context_data(self, **kwargs):
148
        user = self.request.user
149
        context = super(IndexView, self).get_context_data(**kwargs)
150

151
        # instances
152
        favs = Instance.objects.filter(favourite__user=self.request.user)
153
        instances = Instance.get_objects_with_level(
154
            'user', user, disregard_superuser=True).filter(destroyed_at=None)
155 156 157
        display = list(favs) + list(set(instances) - set(favs))
        for d in display:
            d.fav = True if d in favs else False
158
        context.update({
159
            'instances': display[:5],
160
            'more_instances': instances.count() - len(instances[:5])
161 162
        })

163 164
        running = instances.filter(status='RUNNING')
        stopped = instances.exclude(status__in=('RUNNING', 'NOSTATE'))
165

166
        context.update({
167 168 169
            'running_vms': running[:20],
            'running_vm_num': running.count(),
            'stopped_vm_num': stopped.count()
170
        })
171

172 173 174 175
        # nodes
        if user.is_superuser:
            nodes = Node.objects.all()
            context.update({
176 177
                'nodes': nodes[:5],
                'more_nodes': nodes.count() - len(nodes[:5]),
178 179 180 181 182 183 184 185 186 187
                '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
188
        if user.has_module_perms('auth'):
189 190
            profiles = GroupProfile.get_objects_with_level('operator', user)
            groups = Group.objects.filter(groupprofile__in=profiles)
191 192 193 194
            context.update({
                'groups': groups[:5],
                'more_groups': groups.count() - len(groups[:5]),
            })
195 196 197 198 199 200

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

201 202
        return context

203

204
def get_vm_acl_data(obj):
205 206 207 208 209 210 211 212 213
    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])}


214 215 216 217 218 219 220 221 222 223 224
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])}


225
class CheckedDetailView(LoginRequiredMixin, DetailView):
226 227
    read_level = 'user'

228 229 230
    def get_has_level(self):
        return self.object.has_level

231 232
    def get_context_data(self, **kwargs):
        context = super(CheckedDetailView, self).get_context_data(**kwargs)
233
        if not self.get_has_level()(self.request.user, self.read_level):
234 235 236 237
            raise PermissionDenied()
        return context


238 239 240 241 242 243 244 245
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()
246 247
        if not request.user.has_perm('vm.access_console'):
            raise PermissionDenied()
248
        if self.object.node:
249 250 251 252 253 254 255 256
            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)
257 258 259 260
        else:
            raise Http404()


261
class VmDetailView(CheckedDetailView):
Kálmán Viktor committed
262
    template_name = "dashboard/vm-detail.html"
263
    model = Instance
264 265

    def get_context_data(self, **kwargs):
266
        context = super(VmDetailView, self).get_context_data(**kwargs)
267
        instance = context['instance']
268
        ops = get_operations(instance, self.request.user)
269
        context.update({
Bach Dániel committed
270
            'graphite_enabled': settings.GRAPHITE_URL is not None,
271
            'vnc_url': reverse_lazy("dashboard.views.detail-vnc",
272
                                    kwargs={'pk': self.object.pk}),
273 274
            'ops': ops,
            'op': {i.op: i for i in ops},
275
        })
276 277

        # activity data
278 279
        context['activities'] = self.object.get_merged_activities(
            self.request.user)
280

281
        context['vlans'] = Vlan.get_objects_with_level(
282
            'user', self.request.user
283
        ).exclude(  # exclude already added interfaces
284 285 286
            pk__in=Interface.objects.filter(
                instance=self.get_object()).values_list("vlan", flat=True)
        ).all()
287
        context['acl'] = get_vm_acl_data(instance)
288 289
        context['os_type_icon'] = instance.os_type.replace("unknown",
                                                           "question")
290 291 292
        # ipv6 infos
        context['ipv6_host'] = instance.get_connect_host(use_ipv6=True)
        context['ipv6_port'] = instance.get_connect_port(use_ipv6=True)
293 294 295 296 297

        # resources forms
        if self.request.user.is_superuser:
            context['traits_form'] = TraitsForm(instance=instance)
            context['raw_data_form'] = RawDataForm(instance=instance)
298

299 300 301
        # resources change perm
        context['can_change_resources'] = self.request.user.has_perm(
            "vm.change_resources")
302

303
        return context
Kálmán Viktor committed
304

305
    def post(self, request, *args, **kwargs):
306 307 308
        options = {
            'change_password': self.__change_password,
            'new_name': self.__set_name,
309
            'new_description': self.__set_description,
310 311
            'new_tag': self.__add_tag,
            'to_remove': self.__remove_tag,
312 313
            'port': self.__add_port,
            'new_network_vlan': self.__new_network,
314
            'abort_operation': self.__abort_operation,
315 316 317 318
        }
        for k, v in options.iteritems():
            if request.POST.get(k) is not None:
                return v(request)
Kálmán Viktor committed
319

320 321 322 323
    def __change_password(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
Kálmán Viktor committed
324

325
        self.object.change_password(user=request.user)
326
        messages.success(request, _("Password changed."))
327
        if request.is_ajax():
328
            return HttpResponse("Success.")
329 330 331
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.object.pk}))
332

333 334
    def __set_name(self, request):
        self.object = self.get_object()
335 336
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
337 338 339 340
        new_name = request.POST.get("new_name")
        Instance.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

341
        success_message = _("VM successfully renamed.")
342 343 344 345 346 347 348 349 350 351 352 353
        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)
354 355 356 357 358 359 360 361 362 363 364
            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})

365
        success_message = _("VM description successfully updated.")
366 367 368 369 370 371 372 373 374 375 376 377
        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())
378

Kálmán Viktor committed
379 380 381
    def __add_tag(self, request):
        new_tag = request.POST.get('new_tag')
        self.object = self.get_object()
382 383
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
Kálmán Viktor committed
384 385

        if len(new_tag) < 1:
386
            message = u"Please input something."
Kálmán Viktor committed
387
        elif len(new_tag) > 20:
388
            message = u"Tag name is too long."
Kálmán Viktor committed
389 390 391 392 393 394 395 396 397 398 399 400 401 402 403
        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()
404 405
            if not self.object.has_level(request.user, 'owner'):
                raise PermissionDenied()
Kálmán Viktor committed
406 407 408 409 410 411 412 413 414 415 416

            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"
            )
417 418 419
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                            kwargs={'pk': self.object.pk}))
Kálmán Viktor committed
420

421 422
    def __add_port(self, request):
        object = self.get_object()
423 424
        if (not object.has_level(request.user, 'owner') or
                not request.user.has_perm('vm.config_ports')):
425
            raise PermissionDenied()
426 427 428 429 430 431

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

        try:
            error = None
432 433 434
            interfaces = object.interface_set.all()
            host = Host.objects.get(pk=request.POST.get("host_pk"),
                                    interface__in=interfaces)
435
            host.add_port(proto, private=port)
436 437 438 439 440
        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()
441
        except ValueError:
442
            error = _("There is a problem with your input.")
443
        except Exception as e:
Bach Dániel committed
444 445
            error = _("Unknown error.")
            logger.error(e)
446 447 448 449 450 451 452 453 454

        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}))

455 456 457 458 459
    def __new_network(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

460
        vlan = get_object_or_404(Vlan, pk=request.POST.get("new_network_vlan"))
461 462
        if not vlan.has_level(request.user, 'user'):
            raise PermissionDenied()
463
        try:
464
            self.object.add_interface(vlan=vlan, user=request.user)
465
            messages.success(request, _("Successfully added new interface."))
466 467 468 469 470 471 472
        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}))

473
    def __abort_operation(self, request):
Kálmán Viktor committed
474 475 476 477
        self.object = self.get_object()

        activity = get_object_or_404(InstanceActivity,
                                     pk=request.POST.get("activity"))
478 479
        if not activity.is_abortable_for(request.user):
            raise PermissionDenied()
Kálmán Viktor committed
480 481 482
        activity.abort()
        return redirect("%s#activity" % self.object.get_absolute_url())

483

484
class VmTraitsUpdate(SuperuserRequiredMixin, UpdateView):
485 486 487 488 489 490 491
    form_class = TraitsForm
    model = Instance

    def get_success_url(self):
        return self.get_object().get_absolute_url() + "#resources"


492
class VmRawDataUpdate(SuperuserRequiredMixin, UpdateView):
493 494 495 496 497 498 499
    form_class = RawDataForm
    model = Instance

    def get_success_url(self):
        return self.get_object().get_absolute_url() + "#resources"


500
class OperationView(DetailView):
501

502
    template_name = 'dashboard/operate.html'
503
    show_in_toolbar = True
504

505 506 507
    @property
    def name(self):
        return self.get_op().name
508

509 510 511
    @property
    def description(self):
        return self.get_op().description
512

513 514 515
    @classmethod
    def get_urlname(cls):
        return 'dashboard.vm.op.%s' % cls.op
516

517 518
    def get_url(self):
        return reverse(self.get_urlname(), args=(self.get_object().pk, ))
519

520 521 522 523 524
    def get_wrapper_template_name(self):
        if self.request.is_ajax():
            return 'dashboard/_modal.html'
        else:
            return 'dashboard/_base.html'
525

526 527 528
    @classmethod
    def get_op_by_object(cls, obj):
        return getattr(obj, cls.op)
529

530 531 532 533
    def get_op(self):
        if not hasattr(self, '_opobj'):
            setattr(self, '_opobj', getattr(self.get_object(), self.op))
        return self._opobj
534

535
    def get_context_data(self, **kwargs):
536
        ctx = super(OperationView, self).get_context_data(**kwargs)
537
        ctx['op'] = self.get_op()
538
        ctx['opview'] = self
539 540
        ctx['url'] = self.request.path
        return ctx
541

542 543 544 545 546 547 548
    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
549

550
    def post(self, request, extra=None, *args, **kwargs):
551
        self.object = self.get_object()
552 553
        if extra is None:
            extra = {}
554
        try:
555
            self.get_op().async(user=request.user, **extra)
556 557 558
        except Exception as e:
            messages.error(request, _('Could not start operation.'))
            logger.error(e)
559
        return redirect("%s#activity" % self.object.get_absolute_url())
560

561 562 563 564
    @classmethod
    def factory(cls, op, icon='cog'):
        return type(str(cls.__name__ + op),
                    (cls, ), {'op': op, 'icon': icon})
565

566 567 568 569 570 571 572 573 574 575
    @classmethod
    def bind_to_object(cls, instance):
        v = cls()
        v.get_object = lambda: instance
        return v


class VmOperationView(OperationView):

    model = Instance
576
    context_object_name = 'instance'  # much simpler to mock object
577

578 579 580
    def post(self, request, extra=None, *args, **kwargs):
        resp = super(VmOperationView, self).post(request, extra, *args,
                                                 **kwargs)
581 582 583 584
        if request.is_ajax():
            store = messages.get_messages(request)
            store.used = True
            return HttpResponse(
585
                json.dumps({'success': True,
586 587 588 589 590 591
                            'messages': [unicode(m) for m in store]}),
                content_type="application=json"
            )
        else:
            return resp

592

593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610
class FormOperationMixin(object):

    form_class = None

    def get_context_data(self, **kwargs):
        ctx = super(FormOperationMixin, self).get_context_data(**kwargs)
        if self.request.method == 'POST':
            ctx['form'] = self.form_class(self.request.POST)
        else:
            ctx['form'] = self.form_class()
        return ctx

    def post(self, request, extra=None, *args, **kwargs):
        if extra is None:
            extra = {}
        form = self.form_class(self.request.POST)
        if form.is_valid():
            extra.update(form.cleaned_data)
611
            resp = super(FormOperationMixin, self).post(
612
                request, extra, *args, **kwargs)
613 614
            if request.is_ajax():
                return HttpResponse(
615
                    json.dumps({'success': True}),
616 617 618 619
                    content_type="application=json"
                )
            else:
                return resp
620 621 622 623
        else:
            return self.get(request)


624 625 626 627 628 629
class VmCreateDiskView(FormOperationMixin, VmOperationView):

    op = 'create_disk'
    form_class = VmCreateDiskForm
    show_in_toolbar = False
    icon = 'hdd'
630
    is_disk_operation = True
631 632 633 634 635 636 637 638


class VmDownloadDiskView(FormOperationMixin, VmOperationView):

    op = 'download_disk'
    form_class = VmDownloadDiskForm
    show_in_toolbar = False
    icon = 'download'
639
    is_disk_operation = True
640 641


642
class VmMigrateView(VmOperationView):
643 644 645 646 647 648

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

    def get_context_data(self, **kwargs):
649
        ctx = super(VmMigrateView, self).get_context_data(**kwargs)
650 651 652 653 654
        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):
655 656
        if extra is None:
            extra = {}
657 658 659 660 661 662 663
        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)


664
class VmSaveView(FormOperationMixin, VmOperationView):
665 666 667

    op = 'save_as_template'
    icon = 'save'
668
    form_class = VmSaveForm
669

670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692

class VmResourcesChangeView(VmOperationView):
    op = 'resources_change'
    icon = "save"
    show_in_toolbar = False

    def post(self, request, extra=None, *args, **kwargs):
        if extra is None:
            extra = {}

        resources = {
            'num_cores': "cpu-count",
            'priority': "cpu-priority",
            'ram_size': "ram-size",
            "max_ram_size": "ram-size",  # TODO
        }
        for k, v in resources.iteritems():
            extra[k] = request.POST.get(v)

        return super(VmResourcesChangeView, self).post(request, extra,
                                                       *args, **kwargs)


693 694 695
vm_ops = {
    'reset': VmOperationView.factory(op='reset', icon='bolt'),
    'deploy': VmOperationView.factory(op='deploy', icon='play'),
696
    'migrate': VmMigrateView,
697 698 699
    'reboot': VmOperationView.factory(op='reboot', icon='refresh'),
    'shut_off': VmOperationView.factory(op='shut_off', icon='ban-circle'),
    'shutdown': VmOperationView.factory(op='shutdown', icon='off'),
700
    'save_as_template': VmSaveView,
701 702 703
    'destroy': VmOperationView.factory(op='destroy', icon='remove'),
    'sleep': VmOperationView.factory(op='sleep', icon='moon'),
    'wake_up': VmOperationView.factory(op='wake_up', icon='sun'),
704 705
    'create_disk': VmCreateDiskView,
    'download_disk': VmDownloadDiskView,
706
    'resources_change': VmResourcesChangeView,
707 708 709 710 711 712 713 714 715 716
}


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()
717 718 719
        except Exception as e:
            logger.debug('Not showing operation %s for %s: %s',
                         k, instance, unicode(e))
720 721 722
        else:
            ops.append(v.bind_to_object(instance))
    return ops
723

Kálmán Viktor committed
724

725
class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
726 727
    template_name = "dashboard/node-detail.html"
    model = Node
728 729
    form = None
    form_class = TraitForm
730

731 732 733
    def get_context_data(self, form=None, **kwargs):
        if form is None:
            form = self.form_class()
734
        context = super(NodeDetailView, self).get_context_data(**kwargs)
735 736
        instances = Instance.active.filter(node=self.object)
        context['table'] = NodeVmListTable(instances)
737 738 739 740
        na = NodeActivity.objects.filter(
            node=self.object, parent=None
        ).order_by('-started').select_related()
        context['activities'] = na
741
        context['trait_form'] = form
742
        context['graphite_enabled'] = (
Bach Dániel committed
743
            settings.GRAPHITE_URL is not None)
744 745
        return context

746 747 748
    def post(self, request, *args, **kwargs):
        if request.POST.get('new_name'):
            return self.__set_name(request)
749 750
        if request.POST.get('to_remove'):
            return self.__remove_trait(request)
751 752
        return redirect(reverse_lazy("dashboard.views.node-detail",
                                     kwargs={'pk': self.get_object().pk}))
753 754 755 756 757 758 759

    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})

760
        success_message = _("Node successfully renamed.")
761 762 763 764 765
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
                'node_pk': self.object.pk
766 767 768 769 770 771 772 773 774 775
            }
            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}))

776 777 778 779
    def __remove_trait(self, request):
        try:
            to_remove = request.POST.get('to_remove')
            self.object = self.get_object()
780
            self.object.traits.remove(to_remove)
781 782 783 784 785 786 787
            message = u"Success"
        except:  # note this won't really happen
            message = u"Not success"

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': message}),
788
                content_type="application/json"
789
            )
790
        else:
791
            return redirect(self.object.get_absolute_url())
792

793

794
class GroupDetailView(CheckedDetailView):
795 796
    template_name = "dashboard/group-detail.html"
    model = Group
797
    read_level = 'operator'
798 799 800

    def get_has_level(self):
        return self.object.profile.has_level
801 802 803

    def get_context_data(self, **kwargs):
        context = super(GroupDetailView, self).get_context_data(**kwargs)
804 805 806
        context['group'] = self.object
        context['users'] = self.object.user_set.all()
        context['acl'] = get_group_acl_data(self.object)
807 808
        context['group_profile_form'] = GroupProfileUpdate.get_form_object(
            self.request, self.object.profile)
809 810 811
        return context

    def post(self, request, *args, **kwargs):
812 813 814
        self.object = self.get_object()
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
815 816
        if request.POST.get('new_name'):
            return self.__set_name(request)
817
        if request.POST.get('list-new-name'):
818
            return self.__add_user(request)
819
        if request.POST.get('list-new-namelist'):
820
            return self.__add_list(request)
821 822 823 824
        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}))
825 826

    def __add_user(self, request):
827
        name = request.POST['list-new-name']
828 829 830
        self.__add_username(request, name)
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
831 832

    def __add_username(self, request, name):
833
        if not name:
834
            return
835 836
        try:
            entity = User.objects.get(username=name)
837
            self.object.user_set.add(entity)
838 839
        except User.DoesNotExist:
            warning(request, _('User "%s" not found.') % name)
840

841
    def __add_list(self, request):
842 843
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
844 845 846
        userlist = request.POST.get('list-new-namelist').split('\r\n')
        for line in userlist:
            self.__add_username(request, line)
847 848
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
849 850 851 852 853 854

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

855
        success_message = _("Group successfully renamed.")
856 857 858 859
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
860
                'group_pk': self.object.pk
861 862 863 864 865 866 867 868 869 870 871
            }
            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}))


872
class AclUpdateView(LoginRequiredMixin, View, SingleObjectMixin):
873

874
    def post(self, request, *args, **kwargs):
875
        instance = self.get_object()
876 877
        if not (instance.has_level(request.user, "owner") or
                getattr(instance, 'owner', None) == request.user):
Őry Máté committed
878 879
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(instance), unicode(request.user))
880
            raise PermissionDenied()
881
        self.set_levels(request, instance)
882
        self.remove_levels(request, instance)
883
        self.add_levels(request, instance)
884
        return redirect("%s#access" % instance.get_absolute_url())
885 886

    def set_levels(self, request, instance):
887 888 889
        for key, value in request.POST.items():
            m = re.match('perm-([ug])-(\d+)', key)
            if m:
890 891
                typ, id = m.groups()
                entity = {'u': User, 'g': Group}[typ].objects.get(id=id)
892
                if getattr(instance, "owner", None) == entity:
893 894 895
                    logger.info("Tried to set owner's acl level for %s by %s.",
                                unicode(instance), unicode(request.user))
                    continue
896
                instance.set_level(entity, value)
Őry Máté committed
897 898 899
                logger.info("Set %s's acl level for %s to %s by %s.",
                            unicode(entity), unicode(instance),
                            value, unicode(request.user))
900

901 902 903 904 905 906 907 908 909 910
    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 "
911
                            "you can transfer ownership.")
912 913 914 915 916 917 918
                    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))

919
    def add_levels(self, request, instance):
920 921
        name = request.POST['perm-new-name']
        value = request.POST['perm-new']
922 923 924 925 926 927
        if not name:
            return
        try:
            entity = User.objects.get(username=name)
        except User.DoesNotExist:
            entity = None
928 929
            try:
                entity = Group.objects.get(name=name)
930 931 932 933
            except Group.DoesNotExist:
                warning(request, _('User or group "%s" not found.') % name)
                return

934
        instance.set_level(entity, value)
Őry Máté committed
935 936 937
        logger.info("Set %s's new acl level for %s to %s by %s.",
                    unicode(entity), unicode(instance),
                    value, unicode(request.user))
938

Kálmán Viktor committed
939

940 941 942 943 944 945 946 947 948 949
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()
950 951 952 953 954 955 956 957 958

        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)
959
            self.remove_levels(request, template)
960 961 962 963 964

            post_for_disk = request.POST.copy()
            post_for_disk['perm-new'] = 'user'
            request.POST = post_for_disk
            for d in template.disks.all():
965
                self.set_levels(request, d)
966
                self.add_levels(request, d)
967
                self.remove_levels(request, d)
968

969
        return redirect(template)
970 971


972 973 974 975 976 977 978 979 980 981
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
982 983 984

        self.set_levels(request, instance)
        self.add_levels(request, instance)
985 986 987 988
        return redirect(reverse("dashboard.views.group-detail",
                                kwargs=self.kwargs))


989
class TemplateChoose(LoginRequiredMixin, TemplateView):
990 991 992 993 994 995 996 997 998

    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)
999
        templates = InstanceTemplate.get_objects_with_level("user",
1000 1001 1002 1003
                                                            self.request.user)
        context.update({
            'box_title': _('Choose template'),
            'ajax_title': False,
1004
            'template': "dashboard/_template-choose.html",
1005
            'templates': templates.all(),
1006 1007 1008
        })
        return context

1009 1010 1011 1012 1013 1014 1015
    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"))
1016
        elif template is None:
1017
            messages.warning(request, _("Select an option to proceed."))
1018
            return redirect(reverse("dashboard.views.template-choose"))
1019 1020 1021
        else:
            template = get_object_or_404(InstanceTemplate, pk=template)

1022
        if not template.has_level(request.user, "user"):
1023 1024
            raise PermissionDenied()

1025 1026 1027 1028 1029
        instance = Instance.create_from_template(
            template=template, owner=request.user, is_base=True)

        return redirect(instance.get_absolute_url())

1030

1031 1032 1033 1034
class TemplateCreate(SuccessMessageMixin, CreateView):
    model = InstanceTemplate
    form_class = TemplateForm

1035 1036
    def get_template_names(self):
        if self.request.is_ajax():
1037
            pass
1038 1039 1040 1041 1042 1043 1044
        else:
            return ['dashboard/nojs-wrapper.html']

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

        context.update({
1045
            'box_title': _("Create a new base VM"),
1046
            'template': "dashboard/_template-create.html",
1047
            'leases': Lease.objects.count()
1048 1049 1050
        })
        return context

1051
    def get(self, *args, **kwargs):
1052
        if not self.request.user.has_perm('vm.create_base_template'):
1053
            raise PermissionDenied()
1054

1055 1056 1057 1058
        return super(TemplateCreate, self).get(*args, **kwargs)

    def get_form_kwargs(self):
        kwargs = super(TemplateCreate, self).get_form_kwargs()
1059
        kwargs['user'] = self.request.user
1060 1061
        return kwargs

1062
    def post(self, request, *args, **kwargs):
1063
        if not self.request.user.has_perm('vm.create_base_template'):
1064
            raise PermissionDenied()
1065 1066

        form = self.form_class(request.POST, user=request.user)
1067 1068
        if not form.is_valid():
            return self.get(request, form, *args, **kwargs)
1069
        else:
1070
            post = form.cleaned_data
1071 1072
            networks = self.__create_networks(post.pop("networks"),
                                              request.user)
1073
            post.pop("parent")
1074
            post['max_ram_size'] = post['ram_size']
1075 1076 1077 1078 1079 1080 1081
            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)
1082

1083
            return redirect("%s#resources" % inst.get_absolute_url())
1084

1085
    def __create_networks(self, vlans, user):
1086 1087
        networks = []
        for v in vlans:
1088 1089
            if not v.has_level(user, "user"):
                raise PermissionDenied()
1090 1091 1092
            networks.append(InterfaceTemplate(vlan=v, managed=v.managed))
        return networks

1093 1094 1095 1096
    def get_success_url(self):
        return reverse_lazy("dashboard.views.template-list")


1097
class TemplateDetail(LoginRequiredMixin, SuccessMessageMixin, UpdateView):
1098
    model = InstanceTemplate
1099 1100
    template_name = "dashboard/template-edit.html"
    form_class = TemplateForm
1101
    success_message = _("Successfully modified template.")
1102 1103

    def get(self, request, *args, **kwargs):
1104
        template = self.get_object()
1105
        if not template.has_level(request.user, 'user'):
1106
            raise PermissionDenied()
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
        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:
1128 1129
            return super(TemplateDetail, self).get(request, *args, **kwargs)

1130
    def get_context_data(self, **kwargs):
1131
        obj = self.get_object()
1132
        context = super(TemplateDetail, self).get_context_data(**kwargs)
1133 1134
        context['acl'] = get_vm_acl_data(obj)
        context['disks'] = obj.disks.all()
1135 1136
        return context

1137 1138 1139 1140
    def get_success_url(self):
        return reverse_lazy("dashboard.views.template-detail",
                            kwargs=self.kwargs)

1141 1142 1143 1144 1145 1146
    def post(self, request, *args, **kwargs):
        template = self.get_object()
        if not template.has_level(request.user, 'owner'):
            raise PermissionDenied()
        return super(TemplateDetail, self).post(self, request, args, kwargs)

1147 1148 1149 1150 1151
    def get_form_kwargs(self):
        kwargs = super(TemplateDetail, self).get_form_kwargs()
        kwargs['user'] = self.request.user
        return kwargs

1152

1153
class TemplateList(LoginRequiredMixin, SingleTableView):
1154 1155 1156 1157 1158 1159 1160
    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)
1161 1162
        context['lease_table'] = LeaseListTable(Lease.objects.all(),
                                                request=self.request)
1163
        return context
1164

1165 1166 1167 1168 1169 1170
    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()

1171

1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187