views.py 111 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 collections import OrderedDict
21
from itertools import chain
22
from os import getenv
23
from urlparse import urljoin
24
import json
Őry Máté committed
25
import logging
26
import re
27
import requests
28

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

51
from django.forms.models import inlineformset_factory
52
from django_tables2 import SingleTableView
53 54
from braces.views import (LoginRequiredMixin, SuperuserRequiredMixin,
                          PermissionRequiredMixin)
55
from braces.views._access import AccessMixin
56
from celery.exceptions import TimeoutError
Kálmán Viktor committed
57

58 59
from django_sshkey.models import UserKey

60
from .forms import (
61
    CircleAuthenticationForm, HostForm, LeaseForm, MyProfileForm,
62
    NodeForm, TemplateForm, TraitForm, VmCustomizeForm, GroupCreateForm,
63
    UserCreationForm, GroupProfileUpdateForm, UnsubscribeForm,
64
    VmSaveForm, UserKeyForm, VmRenewForm,
65
    CirclePasswordChangeForm, VmCreateDiskForm, VmDownloadDiskForm,
66 67
    TraitsForm, RawDataForm, GroupPermissionForm, AclUserAddForm,
    VmAddInterfaceForm,
68
)
69 70 71

from .tables import (
    NodeListTable, NodeVmListTable, TemplateListTable, LeaseListTable,
72
    GroupListTable, UserKeyListTable
73
)
74
from common.models import HumanReadableObject
Őry Máté committed
75 76 77 78
from vm.models import (
    Instance, instance_activity, InstanceActivity, InstanceTemplate, Interface,
    InterfaceTemplate, Lease, Node, NodeActivity, Trait,
)
79
from storage.models import Disk
80
from firewall.models import Vlan, Host, Rule
81
from .models import Favourite, Profile, GroupProfile, FutureMember
82

Őry Máté committed
83
logger = logging.getLogger(__name__)
84
saml_available = hasattr(settings, "SAML_CONFIG")
85

86

87 88 89 90
def search_user(keyword):
    try:
        return User.objects.get(username=keyword)
    except User.DoesNotExist:
91 92 93 94
        try:
            return User.objects.get(profile__org_id=keyword)
        except User.DoesNotExist:
            return User.objects.get(email=keyword)
95 96


97 98 99 100 101 102 103 104 105 106 107 108 109
class RedirectToLoginMixin(AccessMixin):

    redirect_exception_classes = (PermissionDenied, )

    def dispatch(self, request, *args, **kwargs):
        try:
            return super(RedirectToLoginMixin, self).dispatch(
                request, *args, **kwargs)
        except self.redirect_exception_classes:
            if not request.user.is_authenticated():
                return redirect_to_login(request.get_full_path(),
                                         self.get_login_url(),
                                         self.get_redirect_field_name())
110 111
            else:
                raise
112 113


114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136
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', [])
137 138
                for group in chain(*[attributes[i]
                                     for i in owneratrs if i in attributes]):
139 140 141 142 143 144 145 146
                    try:
                        GroupProfile.search(group)
                    except Group.DoesNotExist:
                        newgroups.append(group)

        return newgroups


147
class FilterMixin(object):
148

149 150 151 152
    def get_queryset_filters(self):
        filters = {}
        for item in self.allowed_filters:
            if item in self.request.GET:
153 154 155 156 157
                filters[self.allowed_filters[item]] = (
                    self.request.GET[item].split(",")
                    if self.allowed_filters[item].endswith("__in") else
                    self.request.GET[item])

158
        return filters
159

160 161 162
    def get_queryset(self):
        return super(FilterMixin,
                     self).get_queryset().filter(**self.get_queryset_filters())
163 164


165
class IndexView(LoginRequiredMixin, TemplateView):
Kálmán Viktor committed
166
    template_name = "dashboard/index.html"
167

168
    def get_context_data(self, **kwargs):
169
        user = self.request.user
170
        context = super(IndexView, self).get_context_data(**kwargs)
171

172
        # instances
173
        favs = Instance.objects.filter(favourite__user=self.request.user)
174
        instances = Instance.get_objects_with_level(
175
            'user', user, disregard_superuser=True).filter(destroyed_at=None)
176 177 178
        display = list(favs) + list(set(instances) - set(favs))
        for d in display:
            d.fav = True if d in favs else False
179
        context.update({
180
            'instances': display[:5],
181
            'more_instances': instances.count() - len(instances[:5])
182 183
        })

184 185
        running = instances.filter(status='RUNNING')
        stopped = instances.exclude(status__in=('RUNNING', 'NOSTATE'))
186

187
        context.update({
188 189 190
            'running_vms': running[:20],
            'running_vm_num': running.count(),
            'stopped_vm_num': stopped.count()
191
        })
192

193 194 195 196
        # nodes
        if user.is_superuser:
            nodes = Node.objects.all()
            context.update({
197 198
                'nodes': nodes[:5],
                'more_nodes': nodes.count() - len(nodes[:5]),
199 200 201 202 203 204 205 206 207 208
                '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
209
        if user.has_module_perms('auth'):
210 211
            profiles = GroupProfile.get_objects_with_level('operator', user)
            groups = Group.objects.filter(groupprofile__in=profiles)
212 213 214 215
            context.update({
                'groups': groups[:5],
                'more_groups': groups.count() - len(groups[:5]),
            })
216 217 218 219 220 221

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

222 223
        return context

224

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
            with instance_activity(
                    code_suffix='console-accessed', instance=self.object,
                    user=request.user, readable_name=ugettext_noop(
                        "console access"), concurrency_check=False):
253 254 255 256 257
                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)
258 259 260 261
        else:
            raise Http404()


262
class VmDetailView(CheckedDetailView):
Kálmán Viktor committed
263
    template_name = "dashboard/vm-detail.html"
264
    model = Instance
265 266

    def get_context_data(self, **kwargs):
267
        context = super(VmDetailView, self).get_context_data(**kwargs)
268
        instance = context['instance']
269
        ops = get_operations(instance, self.request.user)
270
        context.update({
Bach Dániel committed
271
            'graphite_enabled': settings.GRAPHITE_URL is not None,
272
            'vnc_url': reverse_lazy("dashboard.views.detail-vnc",
273
                                    kwargs={'pk': self.object.pk}),
274 275
            'ops': ops,
            'op': {i.op: i for i in ops},
276
        })
277 278

        # activity data
279 280 281 282 283
        activities = instance.get_merged_activities(self.request.user)
        show_show_all = len(activities) > 10
        activities = activities[:10]
        context['activities'] = activities
        context['show_show_all'] = show_show_all
284

285
        context['vlans'] = Vlan.get_objects_with_level(
286
            'user', self.request.user
287
        ).exclude(  # exclude already added interfaces
288 289 290
            pk__in=Interface.objects.filter(
                instance=self.get_object()).values_list("vlan", flat=True)
        ).all()
291 292
        context['acl'] = AclUpdateView.get_acl_data(
            instance, self.request.user, 'dashboard.views.vm-acl')
293
        context['aclform'] = AclUserAddForm()
294 295
        context['os_type_icon'] = instance.os_type.replace("unknown",
                                                           "question")
296 297 298
        # ipv6 infos
        context['ipv6_host'] = instance.get_connect_host(use_ipv6=True)
        context['ipv6_port'] = instance.get_connect_port(use_ipv6=True)
299 300 301 302 303

        # resources forms
        if self.request.user.is_superuser:
            context['traits_form'] = TraitsForm(instance=instance)
            context['raw_data_form'] = RawDataForm(instance=instance)
304

305 306 307
        # resources change perm
        context['can_change_resources'] = self.request.user.has_perm(
            "vm.change_resources")
308

309
        return context
Kálmán Viktor committed
310

311
    def post(self, request, *args, **kwargs):
312 313
        options = {
            'new_name': self.__set_name,
314
            'new_description': self.__set_description,
315 316
            'new_tag': self.__add_tag,
            'to_remove': self.__remove_tag,
317
            'port': self.__add_port,
318
            'abort_operation': self.__abort_operation,
319 320 321 322
        }
        for k, v in options.iteritems():
            if request.POST.get(k) is not None:
                return v(request)
323
        raise Http404()
Kálmán Viktor committed
324

325 326
        raise Http404()

327 328
    def __set_name(self, request):
        self.object = self.get_object()
329 330
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
331 332 333 334
        new_name = request.POST.get("new_name")
        Instance.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

335
        success_message = _("VM successfully renamed.")
336 337 338 339 340 341 342 343 344 345 346 347
        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)
348 349 350 351 352 353 354 355 356 357 358
            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})

359
        success_message = _("VM description successfully updated.")
360 361 362 363 364 365 366 367 368 369 370 371
        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())
372

Kálmán Viktor committed
373 374 375
    def __add_tag(self, request):
        new_tag = request.POST.get('new_tag')
        self.object = self.get_object()
376 377
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
Kálmán Viktor committed
378 379

        if len(new_tag) < 1:
380
            message = u"Please input something."
Kálmán Viktor committed
381
        elif len(new_tag) > 20:
382
            message = u"Tag name is too long."
Kálmán Viktor committed
383 384 385 386 387 388 389 390 391 392 393 394 395 396 397
        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()
398 399
            if not self.object.has_level(request.user, 'owner'):
                raise PermissionDenied()
Kálmán Viktor committed
400 401 402 403 404 405 406 407 408 409 410

            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"
            )
411 412 413
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                            kwargs={'pk': self.object.pk}))
Kálmán Viktor committed
414

415 416
    def __add_port(self, request):
        object = self.get_object()
417 418
        if (not object.has_level(request.user, 'owner') or
                not request.user.has_perm('vm.config_ports')):
419
            raise PermissionDenied()
420 421 422 423 424 425

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

        try:
            error = None
426 427 428
            interfaces = object.interface_set.all()
            host = Host.objects.get(pk=request.POST.get("host_pk"),
                                    interface__in=interfaces)
429
            host.add_port(proto, private=port)
430 431 432 433 434
        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()
435
        except ValueError:
436
            error = _("There is a problem with your input.")
437
        except Exception as e:
Bach Dániel committed
438 439
            error = _("Unknown error.")
            logger.error(e)
440 441 442 443 444 445 446 447 448

        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}))

449
    def __abort_operation(self, request):
Kálmán Viktor committed
450 451 452 453
        self.object = self.get_object()

        activity = get_object_or_404(InstanceActivity,
                                     pk=request.POST.get("activity"))
454 455
        if not activity.is_abortable_for(request.user):
            raise PermissionDenied()
Kálmán Viktor committed
456 457 458
        activity.abort()
        return redirect("%s#activity" % self.object.get_absolute_url())

459

460
class VmTraitsUpdate(SuperuserRequiredMixin, UpdateView):
461 462 463 464 465 466 467
    form_class = TraitsForm
    model = Instance

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


468
class VmRawDataUpdate(SuperuserRequiredMixin, UpdateView):
469 470
    form_class = RawDataForm
    model = Instance
471
    template_name = 'dashboard/vm-detail/raw_data.html'
472 473 474 475 476

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


477
class OperationView(RedirectToLoginMixin, DetailView):
478

479
    template_name = 'dashboard/operate.html'
480
    show_in_toolbar = True
481
    effect = None
482
    wait_for_result = None
483

484 485 486
    @property
    def name(self):
        return self.get_op().name
487

488 489 490
    @property
    def description(self):
        return self.get_op().description
491

492 493 494
    def is_preferred(self):
        return self.get_op().is_preferred()

495 496 497
    @classmethod
    def get_urlname(cls):
        return 'dashboard.vm.op.%s' % cls.op
498

499 500 501 502 503 504 505 506 507 508
    @classmethod
    def get_instance_url(cls, pk, key=None, *args, **kwargs):
        url = reverse(cls.get_urlname(), args=(pk, ) + args, kwargs=kwargs)
        if key is None:
            return url
        else:
            return "%s?k=%s" % (url, key)

    def get_url(self, **kwargs):
        return self.get_instance_url(self.get_object().pk, **kwargs)
509

510
    def get_template_names(self):
511
        if self.request.is_ajax():
512
            return ['dashboard/_modal.html']
513
        else:
514
            return ['dashboard/_base.html']
515

516 517 518
    @classmethod
    def get_op_by_object(cls, obj):
        return getattr(obj, cls.op)
519

520 521 522 523
    def get_op(self):
        if not hasattr(self, '_opobj'):
            setattr(self, '_opobj', getattr(self.get_object(), self.op))
        return self._opobj
524

525
    def get_context_data(self, **kwargs):
526
        ctx = super(OperationView, self).get_context_data(**kwargs)
527
        ctx['op'] = self.get_op()
528
        ctx['opview'] = self
529 530 531 532
        url = self.request.path
        if self.request.GET:
            url += '?' + self.request.GET.urlencode()
        ctx['url'] = url
533
        ctx['template'] = super(OperationView, self).get_template_names()[0]
534
        return ctx
535

536 537 538 539
    def check_auth(self):
        logger.debug("OperationView.check_auth(%s)", unicode(self))
        self.get_op().check_auth(self.request.user)

540
    def get(self, request, *args, **kwargs):
541
        self.check_auth()
542
        return super(OperationView, self).get(request, *args, **kwargs)
543

544
    def get_response_data(self, result, done, extra=None, **kwargs):
545 546 547 548 549 550
        """Return serializable data to return to agents requesting json
        response to POST"""

        if extra is None:
            extra = {}
        extra["success"] = not isinstance(result, Exception)
551 552 553
        extra["done"] = done
        if isinstance(result, HumanReadableObject):
            extra["message"] = result.get_user_text()
554 555
        return extra

556
    def post(self, request, extra=None, *args, **kwargs):
557
        self.check_auth()
558
        self.object = self.get_object()
559 560
        if extra is None:
            extra = {}
561
        result = None
562
        done = False
563
        try:
564
            task = self.get_op().async(user=request.user, **extra)
565 566
        except Exception as e:
            messages.error(request, _('Could not start operation.'))
567
            logger.exception(e)
568
            result = e
569
        else:
570 571 572 573 574 575 576 577 578 579 580 581 582
            wait = self.wait_for_result
            if wait:
                try:
                    result = task.get(timeout=wait,
                                      interval=min((wait / 5, .5)))
                except TimeoutError:
                    logger.debug("Result didn't arrive in %ss",
                                 self.wait_for_result, exc_info=True)
                except Exception as e:
                    messages.error(request, _('Operation failed.'))
                    logger.debug("Operation failed.", exc_info=True)
                    result = e
                else:
583
                    done = True
584
                    messages.success(request, _('Operation succeeded.'))
585
            if result is None and not done:
586
                messages.success(request, _('Operation is started.'))
587 588

        if "/json" in request.META.get("HTTP_ACCEPT", ""):
589 590
            data = self.get_response_data(result, done,
                                          post_extra=extra, **kwargs)
591 592 593 594
            return HttpResponse(json.dumps(data),
                                content_type="application/json")
        else:
            return redirect("%s#activity" % self.object.get_absolute_url())
595

596
    @classmethod
597 598
    def factory(cls, op, icon='cog', effect='info', extra_bases=(), **kwargs):
        kwargs.update({'op': op, 'icon': icon, 'effect': effect})
599
        return type(str(cls.__name__ + op),
600
                    tuple(list(extra_bases) + [cls]), kwargs)
601

602
    @classmethod
603
    def bind_to_object(cls, instance, **kwargs):
604 605
        me = cls()
        me.get_object = lambda: instance
606
        for key, value in kwargs.iteritems():
607 608
            setattr(me, key, value)
        return me
609 610


611
class AjaxOperationMixin(object):
612

613
    def post(self, request, extra=None, *args, **kwargs):
614 615
        resp = super(AjaxOperationMixin, self).post(
            request, extra, *args, **kwargs)
616 617 618 619
        if request.is_ajax():
            store = messages.get_messages(request)
            store.used = True
            return HttpResponse(
620
                json.dumps({'success': True,
621
                            'with_reload': getattr(self, 'with_reload', False),
622 623 624 625 626 627
                            'messages': [unicode(m) for m in store]}),
                content_type="application=json"
            )
        else:
            return resp

628

629 630 631 632 633 634
class VmOperationView(AjaxOperationMixin, OperationView):

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


635 636 637 638
class FormOperationMixin(object):

    form_class = None

639 640 641
    def get_form_kwargs(self):
        return {}

642 643 644
    def get_context_data(self, **kwargs):
        ctx = super(FormOperationMixin, self).get_context_data(**kwargs)
        if self.request.method == 'POST':
645 646
            ctx['form'] = self.form_class(self.request.POST,
                                          **self.get_form_kwargs())
647
        else:
648
            ctx['form'] = self.form_class(**self.get_form_kwargs())
649 650 651 652 653
        return ctx

    def post(self, request, extra=None, *args, **kwargs):
        if extra is None:
            extra = {}
654
        form = self.form_class(self.request.POST, **self.get_form_kwargs())
655 656
        if form.is_valid():
            extra.update(form.cleaned_data)
657
            resp = super(FormOperationMixin, self).post(
658
                request, extra, *args, **kwargs)
659 660
            if request.is_ajax():
                return HttpResponse(
661 662 663
                    json.dumps({
                        'success': True,
                        'with_reload': getattr(self, 'with_reload', False)}),
664 665 666 667
                    content_type="application=json"
                )
            else:
                return resp
668 669 670 671
        else:
            return self.get(request)


672 673 674 675 676 677 678 679
class RequestFormOperationMixin(FormOperationMixin):

    def get_form_kwargs(self):
        val = super(FormOperationMixin, self).get_form_kwargs()
        val.update({'request': self.request})
        return val


680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698
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


699 700 701 702 703
class VmCreateDiskView(FormOperationMixin, VmOperationView):

    op = 'create_disk'
    form_class = VmCreateDiskForm
    show_in_toolbar = False
704
    icon = 'hdd-o'
705
    is_disk_operation = True
706 707 708 709 710 711 712 713


class VmDownloadDiskView(FormOperationMixin, VmOperationView):

    op = 'download_disk'
    form_class = VmDownloadDiskForm
    show_in_toolbar = False
    icon = 'download'
714
    is_disk_operation = True
715 716


717 718 719 720
class VmMigrateView(VmOperationView):

    op = 'migrate'
    icon = 'truck'
721
    effect = 'info'
722 723 724
    template_name = 'dashboard/_vm-migrate.html'

    def get_context_data(self, **kwargs):
725
        ctx = super(VmMigrateView, self).get_context_data(**kwargs)
726 727 728 729 730
        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):
731 732
        if extra is None:
            extra = {}
733 734 735 736 737 738 739
        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)


740
class VmSaveView(FormOperationMixin, VmOperationView):
741 742 743

    op = 'save_as_template'
    icon = 'save'
744
    effect = 'info'
745
    form_class = VmSaveForm
746

747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769

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)


770 771 772 773 774 775
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
776
    redirect_exception_classes = (PermissionDenied, SuspiciousOperation, )
777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810

    @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
811
                    self.request.token_user = True
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
        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


847 848
class VmRenewView(FormOperationMixin, TokenOperationView, VmOperationView):

849 850 851 852
    op = 'renew'
    icon = 'calendar'
    effect = 'info'
    show_in_toolbar = False
853
    form_class = VmRenewForm
854
    wait_for_result = 0.5
855 856 857 858 859

    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:
860 861
            choices = (choices.distinct() |
                       Lease.objects.filter(pk=default.pk).distinct())
862 863 864 865

        val = super(VmRenewView, self).get_form_kwargs()
        val.update({'choices': choices, 'default': default})
        return val
866

867 868
    def get_response_data(self, result, done, extra=None, **kwargs):
        extra = super(VmRenewView, self).get_response_data(result, done,
869 870 871 872 873
                                                           extra, **kwargs)
        extra["new_suspend_time"] = unicode(self.get_op().
                                            instance.time_of_suspend)
        return extra

874

875 876
vm_ops = OrderedDict([
    ('deploy', VmOperationView.factory(
877
        op='deploy', icon='play', effect='success')),
878
    ('wake_up', VmOperationView.factory(
879
        op='wake_up', icon='sun-o', effect='success')),
880
    ('sleep', VmOperationView.factory(
881
        extra_bases=[TokenOperationView],
882
        op='sleep', icon='moon-o', effect='info')),
883 884 885
    ('migrate', VmMigrateView),
    ('save_as_template', VmSaveView),
    ('reboot', VmOperationView.factory(
886
        op='reboot', icon='refresh', effect='warning')),
887
    ('reset', VmOperationView.factory(
888
        op='reset', icon='bolt', effect='warning')),
889
    ('shutdown', VmOperationView.factory(
890
        op='shutdown', icon='power-off', effect='warning')),
891
    ('shut_off', VmOperationView.factory(
892
        op='shut_off', icon='ban', effect='warning')),
893 894
    ('recover', VmOperationView.factory(
        op='recover', icon='medkit', effect='warning')),
895
    ('nostate', VmOperationView.factory(
896
        op='emergency_change_state', icon='legal', effect='danger')),
897
    ('destroy', VmOperationView.factory(
898
        extra_bases=[TokenOperationView],
899
        op='destroy', icon='times', effect='danger')),
900 901
    ('create_disk', VmCreateDiskView),
    ('download_disk', VmDownloadDiskView),
902
    ('add_interface', VmAddInterfaceView),
903
    ('renew', VmRenewView),
904
    ('resources_change', VmResourcesChangeView),
905 906
    ('password_reset', VmOperationView.factory(
        op='password_reset', icon='unlock', effect='warning',
907
        show_in_toolbar=False, wait_for_result=0.5, with_reload=True)),
908
])
909 910 911 912 913 914 915 916 917


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()
918
        except PermissionDenied as e:
919 920
            logger.debug('Not showing operation %s for %s: %s',
                         k, instance, unicode(e))
921 922
        except Exception:
            ops.append(v.bind_to_object(instance, disabled=True))
923 924 925
        else:
            ops.append(v.bind_to_object(instance))
    return ops
926

Kálmán Viktor committed
927

928
class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
929 930
    template_name = "dashboard/node-detail.html"
    model = Node
931 932
    form = None
    form_class = TraitForm
933

934 935 936
    def get_context_data(self, form=None, **kwargs):
        if form is None:
            form = self.form_class()
937
        context = super(NodeDetailView, self).get_context_data(**kwargs)
938 939
        instances = Instance.active.filter(node=self.object)
        context['table'] = NodeVmListTable(instances)
940 941 942 943
        na = NodeActivity.objects.filter(
            node=self.object, parent=None
        ).order_by('-started').select_related()
        context['activities'] = na
944
        context['trait_form'] = form
945
        context['graphite_enabled'] = (
Bach Dániel committed
946
            settings.GRAPHITE_URL is not None)
947 948
        return context

949 950 951
    def post(self, request, *args, **kwargs):
        if request.POST.get('new_name'):
            return self.__set_name(request)
952 953
        if request.POST.get('to_remove'):
            return self.__remove_trait(request)
954 955
        return redirect(reverse_lazy("dashboard.views.node-detail",
                                     kwargs={'pk': self.get_object().pk}))
956 957 958 959 960 961 962

    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})

963
        success_message = _("Node successfully renamed.")
964 965 966 967 968
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
                'node_pk': self.object.pk
969 970 971 972 973 974 975 976 977 978
            }
            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}))

979 980 981 982
    def __remove_trait(self, request):
        try:
            to_remove = request.POST.get('to_remove')
            self.object = self.get_object()
983
            self.object.traits.remove(to_remove)
984 985 986 987 988 989 990
            message = u"Success"
        except:  # note this won't really happen
            message = u"Not success"

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': message}),
991
                content_type="application/json"
992
            )
993
        else:
994
            return redirect(self.object.get_absolute_url())
995

996

997
class GroupDetailView(CheckedDetailView):
998 999
    template_name = "dashboard/group-detail.html"
    model = Group
1000
    read_level = 'operator'
1001 1002 1003

    def get_has_level(self):
        return self.object.profile.has_level
1004 1005 1006

    def get_context_data(self, **kwargs):
        context = super(GroupDetailView, self).get_context_data(**kwargs)
1007 1008
        context['group'] = self.object
        context['users'] = self.object.user_set.all()
1009 1010
        context['future_users'] = FutureMember.objects.filter(
            group=self.object)
1011 1012 1013
        context['acl'] = AclUpdateView.get_acl_data(
            self.object.profile, self.request.user,
            'dashboard.views.group-acl')
1014
        context['aclform'] = AclUserAddForm()
1015 1016
        context['group_profile_form'] = GroupProfileUpdate.get_form_object(
            self.request, self.object.profile)
1017 1018 1019 1020 1021

        if self.request.user.is_superuser:
            context['group_perm_form'] = GroupPermissionForm(
                instance=self.object)

1022 1023 1024
        return context

    def post(self, request, *args, **kwargs):
1025 1026 1027
        self.object = self.get_object()
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
1028

1029 1030
        if request.POST.get('new_name'):
            return self.__set_name(request)
1031
        if request.POST.get('list-new-name'):
1032
            return self.__add_user(request)
1033
        if request.POST.get('list-new-namelist'):
1034
            return self.__add_list(request)
1035 1036 1037 1038
        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}))
1039 1040

    def __add_user(self, request):
1041
        name = request.POST['list-new-name']
1042 1043 1044
        self.__add_username(request, name)
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
1045 1046

    def __add_username(self, request, name):
1047
        if not name:
1048
            return
1049
        try:
1050
            entity = search_user(name)
1051
            self.object.user_set.add(entity)
1052
        except User.DoesNotExist:
1053 1054 1055 1056
            if saml_available:
                FutureMember.objects.get_or_create(org_id=name,
                                                   group=self.object)
            else:
1057
                messages.warning(request, _('User "%s" not found.') % name)
1058

1059
    def __add_list(self, request):
1060 1061
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
1062 1063 1064
        userlist = request.POST.get('list-new-namelist').split('\r\n')
        for line in userlist:
            self.__add_username(request, line)
1065 1066
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
1067 1068 1069 1070 1071 1072

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

1073
        success_message = _("Group successfully renamed.")
1074 1075 1076 1077
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
1078
                'group_pk': self.object.pk
1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
            }
            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}))


1090 1091 1092 1093 1094 1095 1096
class GroupPermissionsView(SuperuserRequiredMixin, UpdateView):
    model = Group
    form_class = GroupPermissionForm
    slug_field = "pk"
    slug_url_kwarg = "group_pk"

    def get_success_url(self):
1097
        return "%s#group-detail-permissions" % (
1098 1099 1100
            self.get_object().groupprofile.get_absolute_url())


1101
class AclUpdateView(LoginRequiredMixin, View, SingleObjectMixin):
1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116
    def send_success_message(self, whom, old_level, new_level):
        if old_level and new_level:
            msg = _("Acl user/group %(w)s successfully modified.")
        elif not old_level and new_level:
            msg = _("Acl user/group %(w)s successfully added.")
        elif old_level and not new_level:
            msg = _("Acl user/group %(w)s successfully removed.")
        if msg:
            messages.success(self.request, msg % {'w': whom})

    def get_level(self, whom):
        for u, level in self.acl_data:
            if u == whom:
                return level
        return None
1117

1118 1119 1120
    @classmethod
    def get_acl_data(cls, obj, user, url):
        levels = obj.ACL_LEVELS
1121 1122
        allowed_levels = list(l for l in OrderedDict(levels)
                              if cls.has_next_level(user, obj, l))
1123 1124
        is_owner = 'owner' in allowed_levels

1125 1126
        allowed_users = cls.get_allowed_users(user)
        allowed_groups = cls.get_allowed_groups(user)
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143

        user_levels = list(
            {'user': u, 'level': l} for u, l in obj.get_users_with_level()
            if is_owner or u == user or u in allowed_users)

        group_levels = list(
            {'group': g, 'level': l} for g, l in obj.get_groups_with_level()
            if is_owner or g in allowed_groups)

        return {'users': user_levels,
                'groups': group_levels,
                'levels': levels,
                'allowed_levels': allowed_levels,
                'url': reverse(url, args=[obj.pk])}

    @classmethod
    def has_next_level(self, user, instance, level):
1144 1145 1146 1147 1148
        levels = OrderedDict(instance.ACL_LEVELS).keys()
        next_levels = dict(zip([None] + levels, levels + levels[-1:]))
        # {None: 'user', 'user': 'operator', 'operator: 'owner',
        #  'owner: 'owner'}
        next_level = next_levels[level]
1149
        return instance.has_level(user, next_level)
1150

1151
    @classmethod
1152 1153
    def get_allowed_groups(cls, user):
        if user.has_perm('dashboard.use_autocomplete'):
1154 1155 1156 1157 1158 1159
            return Group.objects.all()
        else:
            profiles = GroupProfile.get_objects_with_level('owner', user)
            return Group.objects.filter(groupprofile__in=profiles).distinct()

    @classmethod
1160 1161
    def get_allowed_users(cls, user):
        if user.has_perm('dashboard.use_autocomplete'):
1162 1163
            return User.objects.all()
        else:
1164
            groups = cls.get_allowed_groups(user)
1165 1166 1167 1168 1169
            return User.objects.filter(
                Q(groups__in=groups) | Q(pk=user.pk)).distinct()

    def check_auth(self, whom, old_level, new_level):
        if isinstance(whom, Group):
1170 1171
            if (not self.is_owner and whom not in
                    AclUpdateView.get_allowed_groups(self.request.user)):
1172 1173
                return False
        elif isinstance(whom, User):
1174 1175
            if (not self.is_owner and whom not in
                    AclUpdateView.get_allowed_users(self.request.user)):
1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211
                return False
        return (
            AclUpdateView.has_next_level(self.request.user,
                                         self.instance, new_level)