vm.py 47.4 KB
Newer Older
Őry Máté committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
# Copyright 2014 Budapest University of Technology and Economics (BME IK)
#
# This file is part of CIRCLE Cloud.
#
# CIRCLE is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# CIRCLE is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with CIRCLE.  If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals, absolute_import

import json
import logging
from collections import OrderedDict
from os import getenv

from django.conf import settings
from django.contrib import messages
from django.contrib.auth.models import User
27
from django.contrib.auth.decorators import login_required
Őry Máté committed
28 29 30
from django.core import signing
from django.core.exceptions import PermissionDenied, SuspiciousOperation
from django.core.urlresolvers import reverse, reverse_lazy
31 32 33
from django.http import (
    HttpResponse, Http404, HttpResponseRedirect, JsonResponse
)
34
from django.shortcuts import redirect, get_object_or_404
Őry Máté committed
35 36 37 38 39 40
from django.template.loader import render_to_string
from django.utils.translation import (
    ugettext as _, ugettext_noop, ungettext_lazy,
)
from django.views.decorators.http import require_GET
from django.views.generic import (
41
    UpdateView, ListView, TemplateView
Őry Máté committed
42 43 44 45 46 47
)

from braces.views import SuperuserRequiredMixin, LoginRequiredMixin

from common.models import (
    create_readable, HumanReadableException, fetch_human_exception,
48
    split_activity_code,
Őry Máté committed
49 50
)
from firewall.models import Vlan, Host, Rule
51
from manager.scheduler import SchedulerError
Őry Máté committed
52 53
from storage.models import Disk
from vm.models import (
54
    Instance, InstanceActivity, Node, Lease,
Őry Máté committed
55 56 57 58
    InstanceTemplate, InterfaceTemplate, Interface,
)
from .util import (
    CheckedDetailView, AjaxOperationMixin, OperationView, AclUpdateView,
59 60
    FormOperationMixin, FilterMixin, GraphMixin,
    TransferOwnershipConfirmView, TransferOwnershipView,
Őry Máté committed
61 62 63 64 65
)
from ..forms import (
    AclUserOrGroupAddForm, VmResourcesForm, TraitsForm, RawDataForm,
    VmAddInterfaceForm, VmCreateDiskForm, VmDownloadDiskForm, VmSaveForm,
    VmRenewForm, VmStateChangeForm, VmListSearchForm, VmCustomizeForm,
66
    VmDiskResizeForm, RedeployForm, VmDiskRemoveForm,
67
    VmMigrateForm, VmDeployForm,
68
    VmPortRemoveForm, VmPortAddForm,
69
    VmRemoveInterfaceForm,
70
    VmRenameForm,
Őry Máté committed
71
)
72
from request.models import TemplateAccessType, LeaseType
73
from request.forms import LeaseRequestForm, TemplateRequestForm
74
from ..models import Favourite
75
from manager.scheduler import has_traits
Őry Máté committed
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90

logger = logging.getLogger(__name__)


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 not request.user.has_perm('vm.access_console'):
            raise PermissionDenied()
        if self.object.node:
91 92 93 94
            with self.object.activity(
                    code_suffix='console-accessed', user=request.user,
                    readable_name=ugettext_noop("console access"),
                    concurrency_check=False):
Őry Máté committed
95 96 97 98 99 100 101 102 103
                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)
        else:
            raise Http404()


104
class VmDetailView(GraphMixin, CheckedDetailView):
Őry Máté committed
105 106 107
    template_name = "dashboard/vm-detail.html"
    model = Instance

108 109 110 111 112 113 114 115 116 117 118 119 120
    def get(self, *args, **kwargs):
        if self.request.is_ajax():
            return JsonResponse(self.get_json_data())
        else:
            return super(VmDetailView, self).get(*args, **kwargs)

    def get_json_data(self):
        instance = self.get_object()
        return {"status": instance.status,
                "host": instance.get_connect_host(),
                "port": instance.get_connect_port(),
                "password": instance.pw}

Őry Máté committed
121 122 123 124
    def get_context_data(self, **kwargs):
        context = super(VmDetailView, self).get_context_data(**kwargs)
        instance = context['instance']
        user = self.request.user
125 126
        is_operator = instance.has_level(user, "operator")
        is_owner = instance.has_level(user, "owner")
Őry Máté committed
127
        ops = get_operations(instance, user)
128 129
        hide_tutorial = self.request.COOKIES.get(
            "hide_tutorial_for_%s" % instance.pk) == "True"
Őry Máté committed
130 131 132 133 134 135
        context.update({
            'graphite_enabled': settings.GRAPHITE_URL is not None,
            'vnc_url': reverse_lazy("dashboard.views.detail-vnc",
                                    kwargs={'pk': self.object.pk}),
            'ops': ops,
            'op': {i.op: i for i in ops},
136 137
            'connect_commands': user.profile.get_connect_commands(instance),
            'hide_tutorial': hide_tutorial,
138
            'fav': instance.favourite_set.filter(user=user).exists(),
Őry Máté committed
139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168
        })

        # activity data
        activities = instance.get_merged_activities(user)
        show_show_all = len(activities) > 10
        activities = activities[:10]
        context['activities'] = _format_activities(activities)
        context['show_show_all'] = show_show_all
        latest = instance.get_latest_activity_in_progress()
        context['is_new_state'] = (latest and
                                   latest.resultant_state is not None and
                                   instance.status != latest.resultant_state)

        context['vlans'] = Vlan.get_objects_with_level(
            'user', self.request.user
        ).exclude(  # exclude already added interfaces
            pk__in=Interface.objects.filter(
                instance=self.get_object()).values_list("vlan", flat=True)
        ).all()
        context['acl'] = AclUpdateView.get_acl_data(
            instance, self.request.user, 'dashboard.views.vm-acl')
        context['aclform'] = AclUserOrGroupAddForm()
        context['os_type_icon'] = instance.os_type.replace("unknown",
                                                           "question")
        # ipv6 infos
        context['ipv6_host'] = instance.get_connect_host(use_ipv6=True)
        context['ipv6_port'] = instance.get_connect_port(use_ipv6=True)

        # resources forms
        can_edit = (
169 170
            instance.has_level(user, "owner") and
            self.request.user.has_perm("vm.change_resources"))
Őry Máté committed
171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
        context['resources_form'] = VmResourcesForm(
            can_edit=can_edit, instance=instance)

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

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

        # client info
        context['client_download'] = self.request.COOKIES.get(
            'downloaded_client')
        # can link template
186 187 188 189 190
        context['can_link_template'] = instance.template and is_operator

        # is operator/owner
        context['is_operator'] = is_operator
        context['is_owner'] = is_owner
Őry Máté committed
191

192
        # operation also allows RUNNING (if with_shutdown is present)
193 194
        context['save_resources_enabled'] = instance.status in (
            "STOPPED",
195
            "PENDING",
196
        )
197

Őry Máté committed
198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213
        return context

    def post(self, request, *args, **kwargs):
        options = {
            'new_description': self.__set_description,
            'new_tag': self.__add_tag,
            'to_remove': self.__remove_tag,
            'abort_operation': self.__abort_operation,
        }
        for k, v in options.iteritems():
            if request.POST.get(k) is not None:
                return v(request)
        raise Http404()

    def __set_description(self, request):
        self.object = self.get_object()
214
        if not self.object.has_level(request.user, "operator"):
Őry Máté committed
215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
            raise PermissionDenied()

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

        success_message = _("VM description successfully updated.")
        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())

    def __add_tag(self, request):
        new_tag = request.POST.get('new_tag')
        self.object = self.get_object()
238
        if not self.object.has_level(request.user, "operator"):
Őry Máté committed
239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259
            raise PermissionDenied()

        if len(new_tag) < 1:
            message = u"Please input something."
        elif len(new_tag) > 20:
            message = u"Tag name is too long."
        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()
260
            if not self.object.has_level(request.user, "operator"):
Őry Máté committed
261 262 263 264 265 266 267 268
                raise PermissionDenied()

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

        if request.is_ajax():
269
            return JsonResponse({'message': message})
Őry Máté committed
270 271 272 273 274 275 276 277 278 279 280 281
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                            kwargs={'pk': self.object.pk}))

    def __abort_operation(self, request):
        self.object = self.get_object()

        activity = get_object_or_404(InstanceActivity,
                                     pk=request.POST.get("activity"))
        if not activity.is_abortable_for(request.user):
            raise PermissionDenied()
        activity.abort()
Őry Máté committed
282 283
        return HttpResponseRedirect("%s#activity" %
                                    self.object.get_absolute_url())
Őry Máté committed
284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325


class VmTraitsUpdate(SuperuserRequiredMixin, UpdateView):
    form_class = TraitsForm
    model = Instance

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


class VmRawDataUpdate(SuperuserRequiredMixin, UpdateView):
    form_class = RawDataForm
    model = Instance
    template_name = 'dashboard/vm-detail/raw_data.html'

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


class VmOperationView(AjaxOperationMixin, OperationView):

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


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 PermissionDenied as e:
            logger.debug('Not showing operation %s for %s: %s',
                         k, instance, unicode(e))
        except Exception:
            ops.append(v.bind_to_object(instance, disabled=True))
        else:
            ops.append(v.bind_to_object(instance))
    return ops


326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351
class VmRemoveInterfaceView(FormOperationMixin, VmOperationView):
    op = 'remove_interface'
    form_class = VmRemoveInterfaceForm
    show_in_toolbar = False
    wait_for_result = 0.5
    icon = 'times'
    effect = "danger"
    with_reload = True

    def get_form_kwargs(self):
        instance = self.get_op().instance
        choices = instance.interface_set.all()
        interface_pk = self.request.GET.get('interface')
        if interface_pk:
            try:
                default = choices.get(pk=interface_pk)
            except (ValueError, Interface.DoesNotExist):
                raise Http404()
        else:
            default = None

        val = super(VmRemoveInterfaceView, self).get_form_kwargs()
        val.update({'choices': choices, 'default': default})
        return val


Őry Máté committed
352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370
class VmAddInterfaceView(FormOperationMixin, VmOperationView):

    op = 'add_interface'
    form_class = VmAddInterfaceForm
    show_in_toolbar = False
    icon = 'globe'
    effect = 'success'
    with_reload = True

    def get_form_kwargs(self):
        inst = self.get_op().instance
        choices = Vlan.get_objects_with_level(
            "user", self.request.user).exclude(
            vm_interface__instance__in=[inst])
        val = super(VmAddInterfaceView, self).get_form_kwargs()
        val.update({'choices': choices})
        return val


371
class VmDiskModifyView(FormOperationMixin, VmOperationView):
372
    show_in_toolbar = False
373
    with_reload = True
374 375 376 377 378 379 380 381 382 383
    icon = 'arrows-alt'
    effect = "success"

    def get_form_kwargs(self):
        choices = self.get_op().instance.disks
        disk_pk = self.request.GET.get('disk')
        if disk_pk:
            try:
                default = choices.get(pk=disk_pk)
            except (ValueError, Disk.DoesNotExist):
384
                raise Http404()
385
        else:
386
            default = None
387

388
        val = super(VmDiskModifyView, self).get_form_kwargs()
389 390 391 392
        val.update({'choices': choices, 'default': default})
        return val


Őry Máté committed
393 394 395 396 397 398 399 400
class VmCreateDiskView(FormOperationMixin, VmOperationView):

    op = 'create_disk'
    form_class = VmCreateDiskForm
    show_in_toolbar = False
    icon = 'hdd-o'
    effect = "success"
    is_disk_operation = True
401
    with_reload = True
Őry Máté committed
402

403 404 405 406 407 408
    def get_form_kwargs(self):
        op = self.get_op()
        val = super(VmCreateDiskView, self).get_form_kwargs()
        num = op.instance.disks.count() + 1
        val['default'] = "%s %d" % (op.instance.name, num)
        return val
Őry Máté committed
409 410 411 412 413 414 415 416 417 418


class VmDownloadDiskView(FormOperationMixin, VmOperationView):

    op = 'download_disk'
    form_class = VmDownloadDiskForm
    show_in_toolbar = False
    icon = 'download'
    effect = "success"
    is_disk_operation = True
419
    with_reload = True
Őry Máté committed
420 421


422
class VmMigrateView(FormOperationMixin, VmOperationView):
Őry Máté committed
423 424 425 426 427

    op = 'migrate'
    icon = 'truck'
    effect = 'info'
    template_name = 'dashboard/_vm-migrate.html'
428
    form_class = VmMigrateForm
Őry Máté committed
429

430 431 432 433
    def get_form_kwargs(self):
        online = (n.pk for n in Node.objects.filter(enabled=True) if n.online)
        choices = Node.objects.filter(pk__in=online)
        default = None
434 435 436
        inst = self.get_object()
        try:
            if isinstance(inst, Instance):
437
                default = inst.select_node()
438
        except SchedulerError:
439
            logger.exception("scheduler error:")
440

441 442 443
        val = super(VmMigrateView, self).get_form_kwargs()
        val.update({'choices': choices, 'default': default})
        return val
Őry Máté committed
444

445 446 447 448 449 450 451 452 453 454 455 456 457 458
    def get_context_data(self, *args, **kwargs):
        ctx = super(VmMigrateView, self).get_context_data(*args, **kwargs)

        inst = self.get_object()
        if isinstance(inst, Instance):
            nodes_w_traits = [
                n.pk for n in Node.objects.filter(enabled=True)
                if n.online and
                has_traits(inst.req_traits.all(), n)
            ]
            ctx['nodes_w_traits'] = nodes_w_traits

        return ctx

Őry Máté committed
459

460 461
class VmPortRemoveView(FormOperationMixin, VmOperationView):

462
    template_name = 'dashboard/_vm-remove-port.html'
463 464 465
    op = 'remove_port'
    show_in_toolbar = False
    with_reload = True
Bach Dániel committed
466
    wait_for_result = 0.5
467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488
    icon = 'times'
    effect = "danger"
    form_class = VmPortRemoveForm

    def get_form_kwargs(self):
        instance = self.get_op().instance
        choices = Rule.portforwards().filter(
            host__interface__instance=instance)
        rule_pk = self.request.GET.get('rule')
        if rule_pk:
            try:
                default = choices.get(pk=rule_pk)
            except (ValueError, Rule.DoesNotExist):
                raise Http404()
        else:
            default = None

        val = super(VmPortRemoveView, self).get_form_kwargs()
        val.update({'choices': choices, 'default': default})
        return val


489 490 491 492 493
class VmPortAddView(FormOperationMixin, VmOperationView):

    op = 'add_port'
    show_in_toolbar = False
    with_reload = True
Bach Dániel committed
494 495
    wait_for_result = 0.5
    icon = 'plus'
496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
    effect = "success"
    form_class = VmPortAddForm

    def get_form_kwargs(self):
        instance = self.get_op().instance
        choices = Host.objects.filter(interface__instance=instance)
        host_pk = self.request.GET.get('host')
        if host_pk:
            try:
                default = choices.get(pk=host_pk)
            except (ValueError, Host.DoesNotExist):
                raise Http404()
        else:
            default = None

        val = super(VmPortAddView, self).get_form_kwargs()
        val.update({'choices': choices, 'default': default})
        return val


Őry Máté committed
516 517 518 519 520 521 522
class VmSaveView(FormOperationMixin, VmOperationView):

    op = 'save_as_template'
    icon = 'save'
    effect = 'info'
    form_class = VmSaveForm

523 524 525 526
    def get_form_kwargs(self):
        op = self.get_op()
        val = super(VmSaveView, self).get_form_kwargs()
        val['default'] = op._rename(op.instance.name)
527 528 529 530
        obj = self.get_object()
        if obj.template and obj.template.has_level(
                self.request.user, "owner"):
            val['clone'] = True
531 532
        return val

Őry Máté committed
533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554

class VmResourcesChangeView(VmOperationView):
    op = 'resources_change'
    icon = "save"
    show_in_toolbar = False
    wait_for_result = 0.5

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

        instance = get_object_or_404(Instance, pk=kwargs['pk'])

        form = VmResourcesForm(request.POST, instance=instance)
        if not form.is_valid():
            for f in form.errors:
                messages.error(request, "<strong>%s</strong>: %s" % (
                    f, form.errors[f].as_text()
                ))
            if request.is_ajax():  # this is not too nice
                store = messages.get_messages(request)
                store.used = True
555 556
                return JsonResponse({'success': False,
                                     'messages': [unicode(m) for m in store]})
Őry Máté committed
557
            else:
558 559
                return HttpResponseRedirect(instance.get_absolute_url() +
                                            "#resources")
Őry Máté committed
560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647
        else:
            extra = form.cleaned_data
            extra['max_ram_size'] = extra['ram_size']
            return super(VmResourcesChangeView, self).post(request, extra,
                                                           *args, **kwargs)


class TokenOperationView(OperationView):
    """Abstract operation view with token support.

    User can do the action with a valid token instead of logging in.
    """
    token_max_age = 3 * 24 * 3600
    redirect_exception_classes = (PermissionDenied, SuspiciousOperation, )

    @classmethod
    def get_salt(cls):
        return unicode(cls)

    @classmethod
    def get_token(cls, instance, user):
        t = tuple([getattr(i, 'pk', i) for i in [instance, user]])
        return signing.dumps(t, salt=cls.get_salt(), compress=True)

    @classmethod
    def get_token_url(cls, instance, user):
        key = cls.get_token(instance, user)
        return cls.get_instance_url(instance.pk, key)

    def check_auth(self):
        if 'k' in self.request.GET:
            try:  # check if token is needed at all
                return super(TokenOperationView, self).check_auth()
            except Exception:
                op = self.get_op()
                pk = op.instance.pk
                key = self.request.GET.get('k')

                logger.debug("checking token supplied to %s",
                             self.request.get_full_path())
                try:
                    user = self.validate_key(pk, key)
                except signing.SignatureExpired:
                    messages.error(self.request, _('The token has expired.'))
                else:
                    logger.info("Request user changed to %s at %s",
                                user, self.request.get_full_path())
                    self.request.user = user
                    self.request.token_user = True
        else:
            logger.debug("no token supplied to %s",
                         self.request.get_full_path())

        return super(TokenOperationView, self).check_auth()

    def validate_key(self, pk, key):
        """Get object based on signed token.
        """
        try:
            data = signing.loads(key, salt=self.get_salt())
            logger.debug('Token data: %s', unicode(data))
            instance, user = data
            logger.debug('Extracted token data: instance: %s, user: %s',
                         unicode(instance), unicode(user))
        except (signing.BadSignature, ValueError, TypeError) as e:
            logger.warning('Tried invalid token. Token: %s, user: %s. %s',
                           key, unicode(self.request.user), unicode(e))
            raise SuspiciousOperation()

        try:
            instance, user = signing.loads(key, max_age=self.token_max_age,
                                           salt=self.get_salt())
            logger.debug('Extracted non-expired token data: %s, %s',
                         unicode(instance), unicode(user))
        except signing.BadSignature as e:
            raise signing.SignatureExpired()

        if pk != instance:
            logger.debug('pk (%d) != instance (%d)', pk, instance)
            raise SuspiciousOperation()
        user = User.objects.get(pk=user)
        return user


class VmRenewView(FormOperationMixin, TokenOperationView, VmOperationView):

    op = 'renew'
    icon = 'calendar'
648
    effect = 'success'
Őry Máté committed
649 650 651
    show_in_toolbar = False
    form_class = VmRenewForm
    wait_for_result = 0.5
652 653
    template_name = 'dashboard/_vm-renew.html'
    with_reload = True
Őry Máté committed
654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672

    def get_form_kwargs(self):
        choices = Lease.get_objects_with_level("user", self.request.user)
        default = self.get_op().instance.lease
        if default and default not in choices:
            choices = (choices.distinct() |
                       Lease.objects.filter(pk=default.pk).distinct())

        val = super(VmRenewView, self).get_form_kwargs()
        val.update({'choices': choices, 'default': default})
        return val

    def get_response_data(self, result, done, extra=None, **kwargs):
        extra = super(VmRenewView, self).get_response_data(result, done,
                                                           extra, **kwargs)
        extra["new_suspend_time"] = unicode(self.get_op().
                                            instance.time_of_suspend)
        return extra

673 674
    def get_context_data(self, **kwargs):
        context = super(VmRenewView, self).get_context_data(**kwargs)
675
        context['lease_request_form'] = LeaseRequestForm(request=self.request)
676
        context['lease_types'] = LeaseType.objects.exists()
677 678
        return context

Őry Máté committed
679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696

class VmStateChangeView(FormOperationMixin, VmOperationView):
    op = 'emergency_change_state'
    icon = 'legal'
    effect = 'danger'
    form_class = VmStateChangeForm
    wait_for_result = 0.5

    def get_form_kwargs(self):
        inst = self.get_op().instance
        active_activities = InstanceActivity.objects.filter(
            finished__isnull=True, instance=inst)
        show_interrupt = active_activities.exists()
        val = super(VmStateChangeView, self).get_form_kwargs()
        val.update({'show_interrupt': show_interrupt, 'status': inst.status})
        return val


697 698 699 700 701 702 703 704 705
class RedeployView(FormOperationMixin, VmOperationView):
    op = 'redeploy'
    icon = 'stethoscope'
    effect = 'danger'
    show_in_toolbar = True
    form_class = RedeployForm
    wait_for_result = 0.5


706 707 708 709 710 711 712
class VmDeployView(FormOperationMixin, VmOperationView):
    op = 'deploy'
    icon = 'play'
    effect = 'success'
    form_class = VmDeployForm

    def get_form_kwargs(self):
713
        kwargs = super(VmDeployView, self).get_form_kwargs()
714 715 716 717
        if self.request.user.is_superuser:
            online = (n.pk for n in
                      Node.objects.filter(enabled=True) if n.online)
            kwargs['choices'] = Node.objects.filter(pk__in=online)
718
            kwargs['instance'] = self.get_object()
719 720 721
        return kwargs


722 723 724 725 726 727 728 729 730 731 732 733 734 735 736
class VmRenameView(FormOperationMixin, VmOperationView):
    op = 'rename'
    icon = 'pencil'
    effect = 'success'
    show_in_toolbar = False
    form_class = VmRenameForm

    def post(self, request, extra=None, *args, **kwargs):
        if extra is None:
            extra = {}
        form = self.form_class(self.request.POST, **self.get_form_kwargs())
        if form.is_valid():
            extra.update(form.cleaned_data)
            resp = super(FormOperationMixin, self).post(
                request, extra, *args, **kwargs)
737
            success_message = _('VM successfully renamed.')
738
            if request.is_ajax():
739
                return JsonResponse({'new_name': extra['new_name']})
740 741 742 743 744 745 746
            else:
                messages.success(request, success_message)
                return resp
        else:
            return self.get(request)


Őry Máté committed
747
vm_ops = OrderedDict([
748
    ('deploy', VmDeployView),
Őry Máté committed
749 750 751 752 753 754 755 756 757 758 759 760 761 762
    ('wake_up', VmOperationView.factory(
        op='wake_up', icon='sun-o', effect='success')),
    ('sleep', VmOperationView.factory(
        extra_bases=[TokenOperationView],
        op='sleep', icon='moon-o', effect='info')),
    ('migrate', VmMigrateView),
    ('save_as_template', VmSaveView),
    ('reboot', VmOperationView.factory(
        op='reboot', icon='refresh', effect='warning')),
    ('reset', VmOperationView.factory(
        op='reset', icon='bolt', effect='warning')),
    ('shutdown', VmOperationView.factory(
        op='shutdown', icon='power-off', effect='warning')),
    ('shut_off', VmOperationView.factory(
763
        op='shut_off', icon='plug', effect='warning')),
Őry Máté committed
764 765 766
    ('recover', VmOperationView.factory(
        op='recover', icon='medkit', effect='warning')),
    ('nostate', VmStateChangeView),
767
    ('redeploy', RedeployView),
Őry Máté committed
768 769 770 771 772
    ('destroy', VmOperationView.factory(
        extra_bases=[TokenOperationView],
        op='destroy', icon='times', effect='danger')),
    ('create_disk', VmCreateDiskView),
    ('download_disk', VmDownloadDiskView),
773 774 775 776 777 778
    ('resize_disk', VmDiskModifyView.factory(
        op='resize_disk', form_class=VmDiskResizeForm,
        icon='arrows-alt', effect="warning")),
    ('remove_disk', VmDiskModifyView.factory(
        op='remove_disk', form_class=VmDiskRemoveForm,
        icon='times', effect="danger")),
Őry Máté committed
779
    ('add_interface', VmAddInterfaceView),
780
    ('remove_interface', VmRemoveInterfaceView),
781
    ('remove_port', VmPortRemoveView),
782
    ('add_port', VmPortAddView),
Őry Máté committed
783 784 785 786 787 788 789 790 791
    ('renew', VmRenewView),
    ('resources_change', VmResourcesChangeView),
    ('password_reset', VmOperationView.factory(
        op='password_reset', icon='unlock', effect='warning',
        show_in_toolbar=False, wait_for_result=0.5, with_reload=True)),
    ('mount_store', VmOperationView.factory(
        op='mount_store', icon='briefcase', effect='info',
        show_in_toolbar=False,
    )),
792 793 794 795
    ('install_keys', VmOperationView.factory(
        op='install_keys', icon='key', effect='info',
        show_in_toolbar=False,
    )),
796
    ('rename', VmRenameView),
Őry Máté committed
797 798 799 800 801 802 803
])


def _get_activity_icon(act):
    op = act.get_operation()
    if op and op.id in vm_ops:
        return vm_ops[op.id].icon
804
    elif split_activity_code(act.activity_code)[-1] == u'console-accessed':
805
        return "terminal"
Őry Máté committed
806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889
    else:
        return "cog"


def _format_activities(acts):
    for i in acts:
        i.icon = _get_activity_icon(i)
    return acts


class MassOperationView(OperationView):
    template_name = 'dashboard/mass-operate.html'

    def check_auth(self):
        self.get_op().check_perms(self.request.user)
        for i in self.get_object():
            if not i.has_level(self.request.user, "user"):
                raise PermissionDenied(
                    "You have no user access to instance %d" % i.pk)

    @classmethod
    def get_urlname(cls):
        return 'dashboard.vm.mass-op.%s' % cls.op

    @classmethod
    def get_url(cls):
        return reverse("dashboard.vm.mass-op.%s" % cls.op)

    def get_op(self, instance=None):
        if instance:
            return getattr(instance, self.op)
        else:
            return Instance._ops[self.op]

    def get_context_data(self, **kwargs):
        ctx = super(MassOperationView, self).get_context_data(**kwargs)
        instances = self.get_object()
        ctx['instances'] = self._get_operable_instances(
            instances, self.request.user)
        ctx['vm_count'] = sum(1 for i in ctx['instances'] if not i.disabled)
        return ctx

    def _call_operations(self, extra):
        request = self.request
        user = request.user
        instances = self.get_object()
        for i in instances:
            try:
                self.get_op(i).async(user=user, **extra)
            except HumanReadableException as e:
                e.send_message(request)
            except Exception as e:
                # pre-existing errors should have been catched when the
                # confirmation dialog was constructed
                messages.error(request, _(
                    "Failed to execute %(op)s operation on "
                    "instance %(instance)s.") % {"op": self.name,
                                                 "instance": i})

    def get_object(self):
        vms = getattr(self.request, self.request.method).getlist("vm")
        return Instance.objects.filter(pk__in=vms)

    def _get_operable_instances(self, instances, user):
        for i in instances:
            try:
                op = self.get_op(i)
                op.check_auth(user)
                op.check_precond()
            except PermissionDenied as e:
                i.disabled = create_readable(
                    _("You are not permitted to execute %(op)s on instance "
                      "%(instance)s."), instance=i.pk, op=self.name)
                i.disabled_icon = "lock"
            except Exception as e:
                i.disabled = fetch_human_exception(e)
            else:
                i.disabled = None
        return instances

    def post(self, request, extra=None, *args, **kwargs):
        self.check_auth()
        if extra is None:
            extra = {}
890 891 892 893 894 895

        if hasattr(self, 'form_class'):
            form = self.form_class(self.request.POST, **self.get_form_kwargs())
            if form.is_valid():
                extra.update(form.cleaned_data)

Őry Máté committed
896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933
        self._call_operations(extra)
        if request.is_ajax():
            store = messages.get_messages(request)
            store.used = True
            return HttpResponse(
                json.dumps({'messages': [unicode(m) for m in store]}),
                content_type="application/json"
            )
        else:
            return redirect(reverse("dashboard.views.vm-list"))

    @classmethod
    def factory(cls, vm_op, extra_bases=(), **kwargs):
        return type(str(cls.__name__ + vm_op.op),
                    tuple(list(extra_bases) + [cls, vm_op]), kwargs)


class MassMigrationView(MassOperationView, VmMigrateView):
    template_name = 'dashboard/_vm-mass-migrate.html'


vm_mass_ops = OrderedDict([
    ('deploy', MassOperationView.factory(vm_ops['deploy'])),
    ('wake_up', MassOperationView.factory(vm_ops['wake_up'])),
    ('sleep', MassOperationView.factory(vm_ops['sleep'])),
    ('reboot', MassOperationView.factory(vm_ops['reboot'])),
    ('reset', MassOperationView.factory(vm_ops['reset'])),
    ('shut_off', MassOperationView.factory(vm_ops['shut_off'])),
    ('migrate', MassMigrationView),
    ('destroy', MassOperationView.factory(vm_ops['destroy'])),
])


class VmList(LoginRequiredMixin, FilterMixin, ListView):
    template_name = "dashboard/vm-list.html"
    allowed_filters = {
        'name': "name__icontains",
        'node': "node__name__icontains",
934
        'node_exact': "node__name",
Őry Máté committed
935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986
        'status': "status__iexact",
        'tags[]': "tags__name__in",
        'tags': "tags__name__in",  # for search string
        'owner': "owner__username",
        'template': "template__pk",
    }

    def get_context_data(self, *args, **kwargs):
        context = super(VmList, self).get_context_data(*args, **kwargs)
        context['ops'] = []
        for k, v in vm_mass_ops.iteritems():
            try:
                v.check_perms(user=self.request.user)
            except PermissionDenied:
                pass
            else:
                context['ops'].append(v)
        context['search_form'] = self.search_form
        context['show_acts_in_progress'] = self.object_list.count() < 100
        return context

    def get(self, *args, **kwargs):
        if self.request.is_ajax():
            return self._create_ajax_request()
        else:
            self.search_form = VmListSearchForm(self.request.GET)
            self.search_form.full_clean()
            return super(VmList, self).get(*args, **kwargs)

    def _create_ajax_request(self):
        if self.request.GET.get("compact") is not None:
            instances = Instance.get_objects_with_level(
                "user", self.request.user).filter(destroyed_at=None)
            statuses = {}
            for i in instances:
                statuses[i.pk] = {
                    'status': i.get_status_display(),
                    'icon': i.get_status_icon(),
                    'in_status_change': i.is_in_status_change(),
                }
                if self.request.user.is_superuser:
                    statuses[i.pk]['node'] = i.node.name if i.node else "-"
            return HttpResponse(json.dumps(statuses),
                                content_type="application/json")
        else:
            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(
                destroyed_at=None).all()
            instances = [{
                'pk': i.pk,
987
                'url': reverse('dashboard.views.detail', args=[i.pk]),
Őry Máté committed
988 989 990 991
                'name': i.name,
                'icon': i.get_status_icon(),
                'host': i.short_hostname,
                'status': i.get_status_display(),
992 993
                'owner': (i.owner.profile.get_display_name()
                          if i.owner != self.request.user else None),
Őry Máté committed
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020
                'fav': i.pk in favs,
            } for i in instances]
            return HttpResponse(
                json.dumps(list(instances)),  # instances is ValuesQuerySet
                content_type="application/json",
            )

    def create_acl_queryset(self, model):
        queryset = super(VmList, self).create_acl_queryset(model)
        if not self.search_form.cleaned_data.get("include_deleted"):
            queryset = queryset.filter(destroyed_at=None)
        return queryset

    def get_queryset(self):
        logger.debug('VmList.get_queryset() called. User: %s',
                     unicode(self.request.user))
        queryset = self.create_acl_queryset(Instance)

        self.create_fake_get()
        sort = self.request.GET.get("sort")
        # remove "-" that means descending order
        # also check if the column name is valid
        if (sort and
            (sort[1:] if sort[0] == "-" else sort)
                in [i.name for i in Instance._meta.fields] + ["pk"]):
            queryset = queryset.order_by(sort)

1021 1022
        filters, excludes = self.get_queryset_filters()
        return queryset.filter(**filters).exclude(**excludes).prefetch_related(
1023 1024
            "owner", "node", "owner__profile", "interface_set", "lease",
            "interface_set__host").distinct()
Őry Máté committed
1025 1026 1027 1028 1029 1030 1031 1032 1033


class VmCreate(LoginRequiredMixin, TemplateView):

    form_class = VmCustomizeForm
    form = None

    def get_template_names(self):
        if self.request.is_ajax():
Bach Dániel committed
1034
            return ['dashboard/_modal.html']
Őry Máté committed
1035 1036 1037
        else:
            return ['dashboard/nojs-wrapper.html']

1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048
    def get_template(self, request, pk):
        try:
            template = InstanceTemplate.objects.get(
                pk=int(pk))
        except (ValueError, InstanceTemplate.DoesNotExist):
            raise Http404()
        if not template.has_level(request.user, 'user'):
            raise PermissionDenied()

        return template

Őry Máté committed
1049 1050 1051 1052 1053 1054 1055 1056 1057 1058
    def get(self, request, form=None, *args, **kwargs):
        if not request.user.has_perm('vm.create_vm'):
            raise PermissionDenied()

        if form is None:
            template_pk = request.GET.get("template")
        else:
            template_pk = form.template.pk

        if template_pk:
1059
            template = self.get_template(request, template_pk)
Őry Máté committed
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080
            if form is None:
                form = self.form_class(user=request.user, template=template)
        else:
            templates = InstanceTemplate.get_objects_with_level(
                'user', request.user, disregard_superuser=True)

        context = self.get_context_data(**kwargs)
        if template_pk:
            context.update({
                'template': 'dashboard/_vm-create-2.html',
                'box_title': _('Customize VM'),
                'ajax_title': True,
                'vm_create_form': form,
                'template_o': template,
            })
        else:
            context.update({
                'template': 'dashboard/_vm-create-1.html',
                'box_title': _('Create a VM'),
                'ajax_title': True,
                'templates': templates.all(),
1081
                'template_access_types': TemplateAccessType.objects.exists(),
1082
                'form': TemplateRequestForm(request=request),
Őry Máté committed
1083 1084 1085
            })
        return self.render_to_response(context)

1086 1087 1088 1089
    def __create_normal(self, request, template, *args, **kwargs):
        instances = [Instance.create_from_template(
            template=template,
            owner=request.user)]
Őry Máté committed
1090 1091
        return self.__deploy(request, instances)

1092
    def __create_customized(self, request, template, *args, **kwargs):
Őry Máté committed
1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
        user = request.user
        # no form yet, using POST directly:
        form = self.form_class(
            request.POST, user=request.user, template=template)
        if not form.is_valid():
            return self.get(request, form, *args, **kwargs)
        post = form.cleaned_data

        ikwargs = {
            'name': post['name'],
            'template': template,
            'owner': user,
        }
        amount = post.get("amount", 1)
        if request.user.has_perm('vm.set_resources'):
            networks = [InterfaceTemplate(vlan=l, managed=l.managed)
                        for l in post['networks']]

            ikwargs.update({
                'num_cores': post['cpu_count'],
                'ram_size': post['ram_size'],
                'priority': post['cpu_priority'],
                'max_ram_size': post['ram_size'],
                'networks': networks,
                'disks': list(template.disks.all()),
            })

        else:
            pass

        instances = Instance.mass_create_from_template(amount=amount,
                                                       **ikwargs)
        return self.__deploy(request, instances)

    def __deploy(self, request, instances, *args, **kwargs):
1128 1129
        # workaround EncodeError: dictionary changed size during iteration
        user = User.objects.get(pk=request.user.pk)
Őry Máté committed
1130
        for i in instances:
1131
            i.deploy.async(user=user)
Őry Máté committed
1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146

        if len(instances) > 1:
            messages.success(request, ungettext_lazy(
                "Successfully created %(count)d VM.",  # this should not happen
                "Successfully created %(count)d VMs.", len(instances)) % {
                'count': len(instances)})
            path = "%s?stype=owned" % reverse("dashboard.views.vm-list")
        else:
            messages.success(request, _("VM successfully created."))
            path = instances[0].get_absolute_url()

        if request.is_ajax():
            return HttpResponse(json.dumps({'redirect': path}),
                                content_type="application/json")
        else:
Őry Máté committed
1147
            return HttpResponseRedirect("%s#activity" % path)
Őry Máté committed
1148 1149 1150 1151 1152 1153 1154

    def post(self, request, *args, **kwargs):
        user = request.user

        if not request.user.has_perm('vm.create_vm'):
            raise PermissionDenied()

1155 1156
        template = self.get_template(request, request.POST.get("template"))

Őry Máté committed
1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181
        # limit chekcs
        try:
            limit = user.profile.instance_limit
        except Exception as e:
            logger.debug('No profile or instance limit: %s', e)
        else:
            try:
                amount = int(request.POST.get("amount", 1))
            except:
                amount = limit  # TODO this should definitely use a Form
            current = Instance.active.filter(owner=user).count()
            logger.debug('current use: %d, limit: %d', current, limit)
            if current + amount > limit:
                messages.error(request,
                               _('Instance limit (%d) exceeded.') % limit)
                if request.is_ajax():
                    return HttpResponse(json.dumps({'redirect': '/'}),
                                        content_type="application/json")
                else:
                    return redirect('/')

        create_func = (self.__create_normal if
                       request.POST.get("customized") is None else
                       self.__create_customized)

1182
        return create_func(request, template, *args, **kwargs)
Őry Máté committed
1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193


@require_GET
def get_vm_screenshot(request, pk):
    instance = get_object_or_404(Instance, pk=pk)
    try:
        image = instance.screenshot(user=request.user).getvalue()
    except:
        # TODO handle this better
        raise Http404()

Bach Dániel committed
1194
    return HttpResponse(image, content_type="image/png")
Őry Máté committed
1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245


class InstanceActivityDetail(CheckedDetailView):
    model = InstanceActivity
    context_object_name = 'instanceactivity'  # much simpler to mock object
    template_name = 'dashboard/instanceactivity_detail.html'

    def get_has_level(self):
        return self.object.instance.has_level

    def get_context_data(self, **kwargs):
        ctx = super(InstanceActivityDetail, self).get_context_data(**kwargs)
        ctx['activities'] = _format_activities(
            self.object.instance.get_activities(self.request.user))
        ctx['icon'] = _get_activity_icon(self.object)
        return ctx


@require_GET
def get_disk_download_status(request, pk):
    disk = Disk.objects.get(pk=pk)
    if not disk.get_appliance().has_level(request.user, 'owner'):
        raise PermissionDenied()

    return HttpResponse(
        json.dumps({
            'percentage': disk.get_download_percentage(),
            'failed': disk.failed
        }),
        content_type="application/json",
    )


class ClientCheck(LoginRequiredMixin, TemplateView):

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

    def get_context_data(self, *args, **kwargs):
        context = super(ClientCheck, self).get_context_data(*args, **kwargs)
        context.update({
            'box_title': _('About CIRCLE Client'),
            'ajax_title': False,
            'client_download_url': settings.CLIENT_DOWNLOAD_URL,
            'template': "dashboard/_client-check.html",
            'instance': get_object_or_404(
                Instance, pk=self.request.GET.get('vm')),
        })
1246
        if not context['instance'].has_level(self.request.user, 'user'):
Őry Máté committed
1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277
            raise PermissionDenied()
        return context

    def post(self, request, *args, **kwargs):
        instance = get_object_or_404(Instance, pk=request.POST.get('vm'))
        if not instance.has_level(request.user, 'operator'):
            raise PermissionDenied()
        response = redirect(instance.get_absolute_url())
        response.set_cookie('downloaded_client', 'True', 365 * 24 * 60 * 60)
        return response


@require_GET
def vm_activity(request, pk):
    instance = Instance.objects.get(pk=pk)
    if not instance.has_level(request.user, 'user'):
        raise PermissionDenied()

    response = {}
    show_all = request.GET.get("show_all", "false") == "true"
    activities = _format_activities(
        instance.get_merged_activities(request.user))
    show_show_all = len(activities) > 10
    if not show_all:
        activities = activities[:10]

    response['connect_uri'] = instance.get_connect_uri()
    response['human_readable_status'] = instance.get_status_display()
    response['status'] = instance.status
    response['icon'] = instance.get_status_icon()
    latest = instance.get_latest_activity_in_progress()
1278 1279 1280
    response['is_new_state'] = (latest and
                                latest.resultant_state is not None and
                                instance.status != latest.resultant_state)
Őry Máté committed
1281 1282 1283 1284 1285 1286 1287 1288 1289 1290

    context = {
        'instance': instance,
        'activities': activities,
        'show_show_all': show_show_all,
        'ops': get_operations(instance, request.user),
    }

    response['activities'] = render_to_string(
        "dashboard/vm-detail/_activity-timeline.html",
1291
        context, request
Őry Máté committed
1292 1293 1294
    )
    response['ops'] = render_to_string(
        "dashboard/vm-detail/_operations.html",
1295
        context, request
Őry Máté committed
1296 1297 1298
    )
    response['disk_ops'] = render_to_string(
        "dashboard/vm-detail/_disk-operations.html",
1299
        context, request
Őry Máté committed
1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322
    )

    return HttpResponse(
        json.dumps(response),
        content_type="application/json"
    )


class FavouriteView(TemplateView):

    def post(self, *args, **kwargs):
        user = self.request.user
        vm = Instance.objects.get(pk=self.request.POST.get("vm"))
        if not vm.has_level(user, 'user'):
            raise PermissionDenied()
        try:
            Favourite.objects.get(instance=vm, user=user).delete()
            return HttpResponse("Deleted.")
        except Favourite.DoesNotExist:
            Favourite(instance=vm, user=user).save()
            return HttpResponse("Added.")


1323 1324
class TransferInstanceOwnershipConfirmView(TransferOwnershipConfirmView):
    template = "dashboard/confirm/transfer-instance-ownership.html"
Őry Máté committed
1325 1326
    model = Instance

1327 1328 1329 1330 1331 1332 1333
    def change_owner(self, instance, new_owner):
        with instance.activity(
            code_suffix='ownership-transferred',
                readable_name=ugettext_noop("transfer ownership"),
                concurrency_check=False, user=new_owner):
            super(TransferInstanceOwnershipConfirmView, self).change_owner(
                instance, new_owner)
Őry Máté committed
1334 1335


1336 1337 1338 1339
class TransferInstanceOwnershipView(TransferOwnershipView):
    confirm_view = TransferInstanceOwnershipConfirmView
    model = Instance
    notification_msg = ugettext_noop(
1340
        '%(owner)s offered you to take the ownership of '
1341 1342 1343 1344 1345
        'his/her virtual machine called %(instance)s. '
        '<a href="%(token)s" '
        'class="btn btn-success btn-small">Accept</a>')
    token_url = 'dashboard.views.vm-transfer-ownership-confirm'
    template = "dashboard/vm-detail/tx-owner.html"
1346 1347 1348 1349 1350 1351 1352 1353 1354 1355


@login_required
def toggle_template_tutorial(request, pk):
    hidden = request.POST.get("hidden", "").lower() == "true"
    instance = get_object_or_404(Instance, pk=pk)
    response = HttpResponseRedirect(instance.get_absolute_url())
    response.set_cookie(  # for a week
        "hide_tutorial_for_%s" % pk, hidden, 7 * 24 * 60 * 60)
    return response