import json import logging import uuid from datetime import datetime from time import sleep from django import forms from django.conf import settings from django.contrib import messages from django.contrib.auth.mixins import LoginRequiredMixin from django.contrib.auth.tokens import default_token_generator from django.core.exceptions import ValidationError from django.core.files.base import ContentFile from django.core.mail import EmailMessage from django.core.urlresolvers import reverse_lazy, reverse from django.http import Http404, HttpResponseRedirect, HttpResponse from django.shortcuts import redirect, render from django.utils.http import urlsafe_base64_decode from django.utils.safestring import mark_safe from django.utils.translation import get_language, ugettext_lazy as _ from django.utils.translation import ugettext from django.views.generic import ( View, CreateView, FormView, ListView, DetailView, DeleteView, TemplateView, UpdateView ) from guardian.mixins import PermissionRequiredMixin from oca.pool import WrongIdError from stored_messages.api import mark_read from stored_messages.models import Message from stored_messages.settings import stored_messages_settings from datacenterlight.tasks import create_vm_task from membership.models import CustomUser, StripeCustomer from opennebula_api.models import OpenNebulaManager from opennebula_api.serializers import VirtualMachineSerializer, \ VirtualMachineTemplateSerializer, VMTemplateSerializer from utils.forms import ( BillingAddressForm, PasswordResetRequestForm, UserBillingAddressForm, ResendActivationEmailForm ) from utils.hosting_utils import get_vm_price from utils.mailer import BaseEmail from utils.stripe_utils import StripeUtils from utils.views import ( PasswordResetViewMixin, PasswordResetConfirmViewMixin, LoginViewMixin, ResendActivationLinkViewMixin ) from .forms import HostingUserSignupForm, HostingUserLoginForm, \ UserHostingKeyForm, generate_ssh_key_name from .mixins import ProcessVMSelectionMixin from .models import ( HostingOrder, HostingBill, HostingPlan, UserHostingKey, VMDetail ) from datacenterlight.models import VMTemplate logger = logging.getLogger(__name__) CONNECTION_ERROR = "Your VMs cannot be displayed at the moment due to a \ backend connection error. please try again in a few \ minutes." class DashboardView(LoginRequiredMixin, View): template_name = "hosting/dashboard.html" login_url = reverse_lazy('hosting:login') def get_context_data(self, **kwargs): context = {} return context def get(self, request, *args, **kwargs): context = self.get_context_data() return render(request, self.template_name, context) class DjangoHostingView(ProcessVMSelectionMixin, View): template_name = "hosting/django.html" def get_context_data(self, **kwargs): HOSTING = 'django' templates = OpenNebulaManager().get_templates() data = VirtualMachineTemplateSerializer(templates, many=True).data configuration_options = HostingPlan.get_serialized_configs() context = { 'hosting': HOSTING, 'hosting_long': "Django", # 'configuration_detail': configuration_detail, 'domain': "django-hosting.ch", 'google_analytics': "UA-62285904-6", 'vm_types': data, 'email': "info@django-hosting.ch", 'configuration_options': configuration_options, 'templates': templates, } return context def get(self, request, *args, **kwargs): request.session['hosting_url'] = reverse('hosting:djangohosting') context = self.get_context_data() return render(request, self.template_name, context) class RailsHostingView(ProcessVMSelectionMixin, View): template_name = "hosting/rails.html" def get_context_data(self, **kwargs): HOSTING = 'rails' templates = OpenNebulaManager().get_templates() configuration_options = HostingPlan.get_serialized_configs() context = { 'hosting': HOSTING, 'hosting_long': "Ruby On Rails", 'domain': "rails-hosting.ch", 'google_analytics': "UA-62285904-5", 'email': "info@rails-hosting.ch", 'configuration_options': configuration_options, 'templates': templates, } return context def get(self, request, *args, **kwargs): request.session['hosting_url'] = reverse('hosting:railshosting') context = self.get_context_data() return render(request, self.template_name, context) class NodeJSHostingView(ProcessVMSelectionMixin, View): template_name = "hosting/nodejs.html" def get_context_data(self, **kwargs): HOSTING = 'nodejs' templates = OpenNebulaManager().get_templates() configuration_options = HostingPlan.get_serialized_configs() context = { 'hosting': HOSTING, 'hosting_long': "NodeJS", # 'configuration_detail': configuration_detail, 'domain': "node-hosting.ch", 'google_analytics': "UA-62285904-7", 'email': "info@node-hosting.ch", 'templates': templates, 'configuration_options': configuration_options, } return context def get(self, request, *args, **kwargs): request.session['hosting_url'] = reverse('hosting:nodejshosting') context = self.get_context_data() return render(request, self.template_name, context) class HostingPricingView(ProcessVMSelectionMixin, View): template_name = "hosting/hosting_pricing.html" def get_context_data(self, **kwargs): # configuration_options = dict(VirtualMachinePlan.VM_CONFIGURATION) templates = OpenNebulaManager().get_templates() configuration_options = HostingPlan.get_serialized_configs() context = { # 'configuration_options': configuration_options, 'email': "info@django-hosting.ch", 'templates': templates, 'configuration_options': configuration_options, } return context def get(self, request, *args, **kwargs): request.session['hosting_url'] = reverse('hosting:djangohosting') context = self.get_context_data() return render(request, self.template_name, context) class IndexView(View): template_name = "hosting/index.html" def get_context_data(self, **kwargs): templates = OpenNebulaManager().get_templates() data = VirtualMachineTemplateSerializer(templates, many=True).data context = { 'hosting': "nodejs", 'hosting_long': "NodeJS", 'domain': "node-hosting.ch", 'google_analytics': "UA-62285904-7", 'email': "info@node-hosting.ch", 'vm_types': data # 'vm_types': VirtualMachineType.get_serialized_vm_types(), } return context def get(self, request, *args, **kwargs): context = self.get_context_data() return render(request, self.template_name, context) class LoginView(LoginViewMixin): template_name = "hosting/login.html" form_class = HostingUserLoginForm success_url = reverse_lazy('hosting:dashboard') class SignupView(CreateView): template_name = 'hosting/signup.html' form_class = HostingUserSignupForm model = CustomUser success_url = reverse_lazy('hosting:ssh_keys') def get_success_url(self): next_url = self.request.session.get( 'next', self.success_url) return next_url def form_valid(self, form): name = form.cleaned_data.get('name') email = form.cleaned_data.get('email') password = form.cleaned_data.get('password') this_base_url = "{0}://{1}".format(self.request.scheme, self.request.get_host()) CustomUser.register(name, password, email, app='dcl', base_url=this_base_url) return HttpResponseRedirect(reverse_lazy('hosting:signup-validate')) class SignupValidateView(TemplateView): template_name = "hosting/signup_validate.html" def get_context_data(self, **kwargs): context = super(SignupValidateView, self).get_context_data(**kwargs) login_url = '' + str(_('login')) + '' home_url = 'Data Center Light' message = '{signup_success_message} {lurl} \
{go_back} {hurl}.'.format( signup_success_message=_( 'Thank you for signing up. We have sent an email to you. ' 'Please follow the instructions in it to activate your ' 'account. Once activated, you can login using'), go_back=_('Go back to'), lurl=login_url, hurl=home_url ) context['message'] = mark_safe(message) context['section_title'] = _('Sign up') return context class SignupValidatedView(SignupValidateView): template_name = "hosting/signup_validate.html" def get_context_data(self, **kwargs): context = super(SignupValidateView, self).get_context_data(**kwargs) validated = CustomUser.validate_url(self.kwargs['validate_slug']) login_url = '' + str(_('login')) + '' section_title = _('Account activation') user = CustomUser.objects.filter( validation_slug=self.kwargs['validate_slug']).first() if validated: message = ('{account_activation_string}
' ' {login_string} {lurl}.').format( account_activation_string=_( "Your account has been activated."), login_string=_("You can now"), lurl=login_url) email_data = { 'subject': _('Welcome to Data Center Light!'), 'to': user.email, 'context': { 'base_url': "{0}://{1}".format( self.request.scheme, self.request.get_host() ) }, 'template_name': 'welcome_user', 'template_path': 'datacenterlight/emails/', 'from_address': settings.DCL_SUPPORT_FROM_ADDRESS, } email = BaseEmail(**email_data) email.send() else: home_url = 'Data Center Light' message = '{sorry_message}
{go_back_to} {hurl}'.format( sorry_message=_("Sorry. Your request is invalid."), go_back_to=_('Go back to'), hurl=home_url ) context['message'] = mark_safe(message) context['section_title'] = section_title return context class ResendActivationEmailView(ResendActivationLinkViewMixin): template_name = 'hosting/resend_activation_link.html' form_class = ResendActivationEmailForm success_url = reverse_lazy('hosting:login') email_template_path = 'datacenterlight/emails/' email_template_name = 'user_activation' class PasswordResetView(PasswordResetViewMixin): site = 'dcl' template_name = 'hosting/reset_password.html' form_class = PasswordResetRequestForm success_url = reverse_lazy('hosting:login') template_email_path = 'hosting/emails/' class PasswordResetConfirmView(PasswordResetConfirmViewMixin): template_name = 'hosting/confirm_reset_password.html' success_url = reverse_lazy('hosting:login') def post(self, request, uidb64=None, token=None, *arg, **kwargs): try: uid = urlsafe_base64_decode(uidb64) user = CustomUser.objects.get(pk=uid) opennebula_client = OpenNebulaManager( email=user.email, password=user.password, ) except (TypeError, ValueError, OverflowError, CustomUser.DoesNotExist): user = None opennebula_client = None form = self.form_class(request.POST) if user is not None and default_token_generator.check_token(user, token): if form.is_valid(): new_password = form.cleaned_data['new_password2'] user.set_password(new_password) user.save() messages.success(request, _('Password has been reset.')) # Change opennebula password opennebula_client.change_user_password(user.password) return self.form_valid(form) else: messages.error( request, _('Password reset has not been successful.')) form.add_error(None, _('Password reset has not been successful.')) return self.form_invalid(form) else: error_msg = _('The reset password link is no longer valid.') messages.error(request, _(error_msg)) form.add_error(None, error_msg) return self.form_invalid(form) class NotificationsView(LoginRequiredMixin, TemplateView): template_name = 'hosting/notifications.html' login_url = reverse_lazy('hosting:login') def get_context_data(self, **kwargs): context = super(NotificationsView, self).get_context_data(**kwargs) backend = stored_messages_settings.STORAGE_BACKEND() unread_notifications = backend.inbox_list(self.request.user) read_notifications = backend.archive_list(self.request.user) context.update({ 'unread_notifications': unread_notifications, 'all_notifications': read_notifications + unread_notifications }) return context class MarkAsReadNotificationView(LoginRequiredMixin, UpdateView): model = Message success_url = reverse_lazy('hosting:notifications') login_url = reverse_lazy('hosting:login') fields = '__all__' def post(self, *args, **kwargs): message = self.get_object() backend = stored_messages_settings.STORAGE_BACKEND() backend.archive_store([self.request.user], message) mark_read(self.request.user, message) return HttpResponseRedirect(reverse('hosting:notifications')) class SSHKeyDeleteView(LoginRequiredMixin, DeleteView): login_url = reverse_lazy('hosting:login') success_url = reverse_lazy('hosting:ssh_keys') model = UserHostingKey def get_object(self, queryset=None): """ Hook to ensure UserHostingKey object is owned by request.user. We reply with a Http404 if the user is not the owner of the key. """ obj = super(SSHKeyDeleteView, self).get_object() if not obj.user == self.request.user: raise Http404 return obj def delete(self, request, *args, **kwargs): owner = self.request.user manager = OpenNebulaManager( email=owner.email, password=owner.password ) pk = self.kwargs.get('pk') # Get user ssh key public_key = UserHostingKey.objects.get(pk=pk).public_key manager.manage_public_key([{'value': public_key, 'state': False}]) return super(SSHKeyDeleteView, self).delete(request, *args, **kwargs) class SSHKeyListView(LoginRequiredMixin, ListView): template_name = "hosting/user_keys.html" login_url = reverse_lazy('hosting:login') context_object_name = "keys" model = UserHostingKey paginate_by = 10 ordering = '-id' def get_queryset(self): user = self.request.user self.queryset = UserHostingKey.objects.filter(user=user) return super(SSHKeyListView, self).get_queryset() def render_to_response(self, context, **response_kwargs): if not self.queryset: return HttpResponseRedirect(reverse('hosting:choice_ssh_keys')) return super(SSHKeyListView, self).render_to_response(context, **response_kwargs) class SSHKeyChoiceView(LoginRequiredMixin, View): template_name = "hosting/choice_ssh_keys.html" login_url = reverse_lazy('hosting:login') def get(self, request, *args, **kwargs): context = {} return render(request, self.template_name, context) def post(self, request, *args, **kwargs): name = generate_ssh_key_name() private_key, public_key = UserHostingKey.generate_keys() content = ContentFile(private_key) ssh_key = UserHostingKey.objects.create( user=request.user, public_key=public_key, name=name) filename = name + '_' + str(uuid.uuid4())[:8] + '_private.pem' ssh_key.private_key.save(filename, content) owner = self.request.user manager = OpenNebulaManager( email=owner.email, password=owner.password ) public_key_str = public_key.decode() manager.manage_public_key([{'value': public_key_str, 'state': True}]) return redirect(reverse_lazy('hosting:ssh_keys'), foo='bar') class SSHKeyCreateView(LoginRequiredMixin, FormView): form_class = UserHostingKeyForm model = UserHostingKey template_name = 'hosting/user_key.html' login_url = reverse_lazy('hosting:login') context_object_name = "virtual_machine" success_url = reverse_lazy('hosting:ssh_keys') def get_form_kwargs(self): kwargs = super(SSHKeyCreateView, self).get_form_kwargs() kwargs.update({'request': self.request}) return kwargs def form_valid(self, form): form.save() if 'dcl-generated-key-' in form.instance.name: content = ContentFile(form.cleaned_data.get('private_key')) filename = form.cleaned_data.get( 'name') + '_' + str(uuid.uuid4())[:8] + '_private.pem' form.instance.private_key.save(filename, content) context = self.get_context_data() next_url = self.request.session.get( 'next', reverse('hosting:create_virtual_machine') ) if 'next' in self.request.session: context.update({ 'next_url': next_url }) del (self.request.session['next']) if form.cleaned_data.get('private_key'): context.update({ 'private_key': form.cleaned_data.get('private_key'), 'key_name': form.cleaned_data.get('name'), 'form': UserHostingKeyForm(request=self.request), }) owner = self.request.user manager = OpenNebulaManager( email=owner.email, password=owner.password ) public_key = form.cleaned_data['public_key'] if type(public_key) is bytes: public_key = public_key.decode() manager.manage_public_key([{'value': public_key, 'state': True}]) return HttpResponseRedirect(self.success_url) def post(self, request, *args, **kwargs): form = self.get_form() required = 'add_ssh' in self.request.POST form.fields['name'].required = required form.fields['public_key'].required = required if form.is_valid(): return self.form_valid(form) else: return self.form_invalid(form) class SettingsView(LoginRequiredMixin, FormView): template_name = "hosting/settings.html" login_url = reverse_lazy('hosting:login') form_class = BillingAddressForm def get_form(self, form_class): """ Check if the user already saved contact details. If so, then show the form populated with those details, to let user change them. """ return form_class( instance=self.request.user.billing_addresses.first(), **self.get_form_kwargs()) def get_context_data(self, **kwargs): context = super(SettingsView, self).get_context_data(**kwargs) # Get user user = self.request.user # Get user last order last_hosting_order = HostingOrder.objects.filter( customer__user=user).last() # If user has already an hosting order, get the credit card data from # it if last_hosting_order: credit_card_data = last_hosting_order.get_cc_data() context.update({ 'credit_card_data': credit_card_data if credit_card_data else None, }) context.update({ 'stripe_key': settings.STRIPE_API_PUBLIC_KEY }) return context def post(self, request, *args, **kwargs): form = self.get_form() if form.is_valid(): billing_address_data = form.cleaned_data billing_address_data.update({ 'user': self.request.user.id }) billing_address_user_form = UserBillingAddressForm( instance=self.request.user.billing_addresses.first(), data=billing_address_data) billing_address_user_form.save() return self.render_to_response(self.get_context_data()) else: billing_address_data = form.cleaned_data return self.form_invalid(form) class PaymentVMView(LoginRequiredMixin, FormView): template_name = 'hosting/payment.html' login_url = reverse_lazy('hosting:login') form_class = BillingAddressForm def get_form_kwargs(self): current_billing_address = self.request.user.billing_addresses.first() form_kwargs = super(PaymentVMView, self).get_form_kwargs() if not current_billing_address: return form_kwargs form_kwargs.update({ 'initial': { 'cardholder_name': current_billing_address.cardholder_name, 'street_address': current_billing_address.street_address, 'city': current_billing_address.city, 'postal_code': current_billing_address.postal_code, 'country': current_billing_address.country, } }) return form_kwargs def get_context_data(self, **kwargs): context = super(PaymentVMView, self).get_context_data(**kwargs) # Get user user = self.request.user # Get user last order last_hosting_order = HostingOrder.objects.filter( customer__user=user).last() # If user has already an hosting order, get the credit card data from # it if last_hosting_order: credit_card_data = last_hosting_order.get_cc_data() context.update({ 'credit_card_data': credit_card_data if credit_card_data else None, }) context.update({ 'stripe_key': settings.STRIPE_API_PUBLIC_KEY }) return context def get(self, request, *args, **kwargs): if 'next' in request.session: del request.session['next'] return self.render_to_response(self.get_context_data()) def post(self, request, *args, **kwargs): form = self.get_form() if form.is_valid(): # Get billing address data billing_address_data = form.cleaned_data token = form.cleaned_data.get('token') owner = self.request.user # Get or create stripe customer customer = StripeCustomer.get_or_create(email=owner.email, token=token) if not customer: msg = _("Invalid credit card") messages.add_message( self.request, messages.ERROR, msg, extra_tags='make_charge_error') return HttpResponseRedirect( reverse('hosting:payment') + '#payment_error') request.session['billing_address_data'] = billing_address_data request.session['token'] = token request.session['customer'] = customer.stripe_id return HttpResponseRedirect("{url}?{query_params}".format( url=reverse('hosting:order-confirmation'), query_params='page=payment')) else: return self.form_invalid(form) class OrdersHostingDetailView(LoginRequiredMixin, DetailView): template_name = "hosting/order_detail.html" context_object_name = "order" login_url = reverse_lazy('hosting:login') permission_required = ['view_hostingorder'] model = HostingOrder def get_object(self): return HostingOrder.objects.get( pk=self.kwargs.get('pk')) if self.kwargs.get('pk') else None def get_context_data(self, **kwargs): # Get context context = super(DetailView, self).get_context_data(**kwargs) obj = self.get_object() owner = self.request.user stripe_api_cus_id = self.request.session.get('customer') stripe_utils = StripeUtils() card_details = stripe_utils.get_card_details( stripe_api_cus_id, self.request.session.get('token') ) if self.request.GET.get('page') == 'payment': context['page_header_text'] = _('Confirm Order') else: context['page_header_text'] = _('Invoice') if obj is not None: # invoice for previous order try: vm_detail = VMDetail.objects.get(vm_id=obj.vm_id) context['vm'] = vm_detail.__dict__ context['vm']['name'] = '{}-{}'.format( context['vm']['configuration'], context['vm']['vm_id']) context['vm']['price'] = get_vm_price( cpu=context['vm']['cores'], disk_size=context['vm']['disk_size'], memory=context['vm']['memory'] ) context['subscription_end_date'] = vm_detail.end_date() except VMDetail.DoesNotExist: try: manager = OpenNebulaManager( email=owner.email, password=owner.password ) vm = manager.get_vm(obj.vm_id) context['vm'] = VirtualMachineSerializer(vm).data except WrongIdError: messages.error( self.request, _('The VM you are looking for is unavailable at the ' 'moment. Please contact Data Center Light support.') ) self.kwargs['error'] = 'WrongIdError' context['error'] = 'WrongIdError' except ConnectionRefusedError: messages.error( self.request, _('In order to create a VM, you need to create/upload ' 'your SSH KEY first.') ) elif not card_details.get('response_object'): # new order, failed to get card details context['failed_payment'] = True context['card_details'] = card_details else: # new order, confirm payment context['site_url'] = reverse('hosting:create_virtual_machine') context['cc_last4'] = card_details.get('response_object').get( 'last4') context['cc_brand'] = card_details.get('response_object').get( 'cc_brand') context['vm'] = self.request.session.get('specs') return context def get(self, request, *args, **kwargs): if not self.kwargs.get('pk'): if 'specs' not in self.request.session: return HttpResponseRedirect( reverse('hosting:create_virtual_machine') ) if 'token' not in self.request.session: return HttpResponseRedirect(reverse('hosting:payment')) self.object = self.get_object() context = self.get_context_data(object=self.object) if 'failed_payment' in context: msg = context['card_details'].get('error') messages.add_message( self.request, messages.ERROR, msg, extra_tags='failed_payment' ) return HttpResponseRedirect( reverse('hosting:payment') + '#payment_error' ) return self.render_to_response(context) def post(self, request): template = request.session.get('template') specs = request.session.get('specs') # We assume that if the user is here, his/her StripeCustomer # object already exists stripe_customer_id = request.user.stripecustomer.id billing_address_data = request.session.get('billing_address_data') vm_template_id = template.get('id', 1) stripe_api_cus_id = self.request.session.get('customer') # Make stripe charge to a customer stripe_utils = StripeUtils() card_details = stripe_utils.get_card_details(stripe_api_cus_id, request.session.get( 'token')) if not card_details.get('response_object'): msg = card_details.get('error') messages.add_message(self.request, messages.ERROR, msg, extra_tags='failed_payment') return HttpResponseRedirect( reverse('datacenterlight:payment') + '#payment_error') card_details_dict = card_details.get('response_object') cpu = specs.get('cpu') memory = specs.get('memory') disk_size = specs.get('disk_size') amount_to_be_charged = specs.get('price') plan_name = StripeUtils.get_stripe_plan_name(cpu=cpu, memory=memory, disk_size=disk_size) stripe_plan_id = StripeUtils.get_stripe_plan_id(cpu=cpu, ram=memory, ssd=disk_size, version=1, app='dcl') stripe_plan = stripe_utils.get_or_create_stripe_plan( amount=amount_to_be_charged, name=plan_name, stripe_plan_id=stripe_plan_id) subscription_result = stripe_utils.subscribe_customer_to_plan( stripe_api_cus_id, [{"plan": stripe_plan.get( 'response_object').stripe_plan_id}]) stripe_subscription_obj = subscription_result.get('response_object') # Check if the subscription was approved and is active if (stripe_subscription_obj is None or stripe_subscription_obj.status != 'active'): msg = subscription_result.get('error') messages.add_message(self.request, messages.ERROR, msg, extra_tags='failed_payment') response = { 'status': False, 'redirect': "{url}#{section}".format( url=reverse('hosting:payment'), section='payment_error'), 'msg_title': str(_('Error.')), 'msg_body': str( _('There was a payment related error.' ' On close of this popup, you will be redirected back to' ' the payment page.')) } return HttpResponse(json.dumps(response), content_type="application/json") user = { 'name': self.request.user.name, 'email': self.request.user.email, 'pass': self.request.user.password, 'request_scheme': request.scheme, 'request_host': request.get_host(), 'language': get_language(), } create_vm_task.delay(vm_template_id, user, specs, template, stripe_customer_id, billing_address_data, stripe_subscription_obj.id, card_details_dict) for session_var in ['specs', 'template', 'billing_address', 'billing_address_data', 'token', 'customer']: if session_var in request.session: del request.session[session_var] response = { 'status': True, 'redirect': reverse('hosting:virtual_machines'), 'msg_title': str(_('Thank you for the order.')), 'msg_body': str( _('Your VM will be up and running in a few moments.' ' We will send you a confirmation email as soon as' ' it is ready.')) } return HttpResponse(json.dumps(response), content_type="application/json") class OrdersHostingListView(LoginRequiredMixin, ListView): template_name = "hosting/orders.html" login_url = reverse_lazy('hosting:login') context_object_name = "orders" model = HostingOrder paginate_by = 10 ordering = '-id' def get_queryset(self): user = self.request.user self.queryset = HostingOrder.objects.filter(customer__user=user) return super(OrdersHostingListView, self).get_queryset() class OrdersHostingDeleteView(LoginRequiredMixin, DeleteView): login_url = reverse_lazy('hosting:login') success_url = reverse_lazy('hosting:orders') model = HostingOrder class VirtualMachinesPlanListView(LoginRequiredMixin, ListView): template_name = "hosting/virtual_machines.html" login_url = reverse_lazy('hosting:login') context_object_name = "vms" paginate_by = 10 ordering = '-id' def get_queryset(self): owner = self.request.user manager = OpenNebulaManager(email=owner.email, password=owner.password) try: queryset = manager.get_vms() serializer = VirtualMachineSerializer(queryset, many=True) return serializer.data except ConnectionRefusedError: messages.error(self.request, 'We could not load your VMs due to a backend connection \ error. Please try again in a few minutes' ) self.kwargs['error'] = 'connection' return [] def get_context_data(self, **kwargs): error = self.kwargs.get('error') if error is not None: print(error) context = {'error': 'connection'} else: context = super(ListView, self).get_context_data(**kwargs) if UserHostingKey.objects.filter(user=self.request.user).exists(): context['show_create_ssh_key_msg'] = False else: context['show_create_ssh_key_msg'] = True return context class CreateVirtualMachinesView(LoginRequiredMixin, View): template_name = "hosting/create_virtual_machine.html" login_url = reverse_lazy('hosting:login') def validate_cores(self, value): if (value > 48) or (value < 1): raise ValidationError(_('Invalid number of cores')) def validate_memory(self, value): if (value > 200) or (value < 2): raise ValidationError(_('Invalid RAM size')) def validate_storage(self, value): if (value > 2000) or (value < 10): raise ValidationError(_('Invalid storage size')) def get(self, request, *args, **kwargs): context = {'templates': VMTemplate.objects.all()} return render(request, self.template_name, context) def post(self, request): cores = request.POST.get('cpu') cores_field = forms.IntegerField(validators=[self.validate_cores]) memory = request.POST.get('ram') memory_field = forms.IntegerField(validators=[self.validate_memory]) storage = request.POST.get('storage') storage_field = forms.IntegerField(validators=[self.validate_storage]) template_id = int(request.POST.get('config')) template = VMTemplate.objects.filter( opennebula_vm_template_id=template_id).first() template_data = VMTemplateSerializer(template).data try: cores = cores_field.clean(cores) except ValidationError as err: msg = '{} : {}.'.format(cores, str(err)) messages.add_message(self.request, messages.ERROR, msg, extra_tags='cores') return HttpResponseRedirect( reverse('datacenterlight:index') + "#order_form") try: memory = memory_field.clean(memory) except ValidationError as err: msg = '{} : {}.'.format(memory, str(err)) messages.add_message(self.request, messages.ERROR, msg, extra_tags='memory') return HttpResponseRedirect( reverse('datacenterlight:index') + "#order_form") try: storage = storage_field.clean(storage) except ValidationError as err: msg = '{} : {}.'.format(storage, str(err)) messages.add_message(self.request, messages.ERROR, msg, extra_tags='storage') return HttpResponseRedirect( reverse('datacenterlight:index') + "#order_form") price = get_vm_price(cpu=cores, memory=memory, disk_size=storage) specs = { 'cpu': cores, 'memory': memory, 'disk_size': storage, 'price': price } request.session['specs'] = specs request.session['template'] = template_data return redirect(reverse('hosting:payment')) class VirtualMachineView(LoginRequiredMixin, View): template_name = "hosting/virtual_machine_detail.html" login_url = reverse_lazy('hosting:login') def get_object(self): owner = self.request.user vm = None manager = OpenNebulaManager( email=owner.email, password=owner.password ) vm_id = self.kwargs.get('pk') try: vm = manager.get_vm(vm_id) return vm except WrongIdError: messages.error(self.request, _('We could not find the requested VM. Please \ contact Data Center Light Support.') ) return None except ConnectionRefusedError: messages.error(self.request, 'We could not load your VM due to a backend connection \ error. Please try again in a few minutes' ) return None except Exception as error: logger.error(str(error)) raise Http404() def get_success_url(self): final_url = reverse('hosting:virtual_machines') return final_url def get(self, request, *args, **kwargs): vm = self.get_object() if vm is None: if self.request.is_ajax(): storage = messages.get_messages(request) for m in storage: pass storage.used = True return HttpResponse( json.dumps({'text': ugettext('Terminated')}), content_type="application/json" ) else: return redirect(reverse('hosting:virtual_machines')) elif self.request.is_ajax(): return HttpResponse() context = None try: serializer = VirtualMachineSerializer(vm) context = { 'virtual_machine': serializer.data, 'order': HostingOrder.objects.get( vm_id=serializer.data['vm_id']) } except Exception as ex: logger.debug("Exception generated {}".format(str(ex))) messages.error(self.request, _('We could not find the requested VM. Please ' 'contact Data Center Light Support.') ) return redirect(reverse('hosting:virtual_machines')) return render(request, self.template_name, context) def post(self, request, *args, **kwargs): response = {'status': False} owner = self.request.user vm = self.get_object() opennebula_vm_id = self.kwargs.get('pk') manager = OpenNebulaManager( email=owner.email, password=owner.password ) try: vm_data = VirtualMachineSerializer(manager.get_vm(vm.id)).data vm_name = vm_data.get('name') except WrongIdError as wrong_id_err: logger.error(str(wrong_id_err)) return redirect(reverse('hosting:virtual_machines')) terminated = manager.delete_vm(vm.id) if not terminated: logger.debug( "manager.delete_vm returned False. Hence, error making " "xml-rpc call to delete vm failed." ) response['text'] = ugettext( 'Error terminating VM') + opennebula_vm_id else: for t in range(15): try: manager.get_vm(opennebula_vm_id) except WrongIdError: response['status'] = True response['text'] = ugettext('Terminated') vm_detail_obj = VMDetail.objects.filter( vm_id=opennebula_vm_id ).first() vm_detail_obj.terminated_at = datetime.utcnow() vm_detail_obj.save() # Cancel subscription stripe_utils = StripeUtils() error_msg_subject = ( 'Error canceling subscription for ' '{user} and vm id {vm_id}'.format( user=owner.email, vm_id=opennebula_vm_id ) ) try: hosting_order = HostingOrder.objects.get( vm_id=opennebula_vm_id ) result = stripe_utils.unsubscribe_customer( subscription_id=hosting_order.subscription_id ) stripe_subscription_obj = result.get( 'response_object') # Check if the subscription was canceled if (stripe_subscription_obj is None or stripe_subscription_obj.status != 'canceled'): error_msg = result.get('error') logger.error(error_msg) email_data = { 'subject': error_msg_subject, 'from_email': settings.DCL_SUPPORT_FROM_ADDRESS, 'to': settings.DCL_ERROR_EMAILS_TO_LIST, 'body': error_msg, } email = EmailMessage(**email_data) email.send() except HostingOrder.DoesNotExist: error_msg = ( "HostingOrder corresponding to vm_id={vm_id} does" "not exist. Hence, can not find subscription to " "cancel ".format(vm_id=opennebula_vm_id) ) logger.error(error_msg) email_data = { 'subject': error_msg_subject, 'from_email': settings.DCL_SUPPORT_FROM_ADDRESS, 'to': settings.DCL_ERROR_EMAILS_TO_LIST, 'body': error_msg, } email = EmailMessage(**email_data) email.send() break except BaseException: break else: sleep(2) context = { 'vm_name': vm_name, 'base_url': "{0}://{1}".format(self.request.scheme, self.request.get_host()), 'page_header': _('Virtual Machine %(vm_name)s Cancelled') % { 'vm_name': vm_name} } email_data = { 'subject': context['page_header'], 'to': self.request.user.email, 'context': context, 'template_name': 'vm_canceled', 'template_path': 'hosting/emails/', 'from_address': settings.DCL_SUPPORT_FROM_ADDRESS, } email = BaseEmail(**email_data) email.send() return HttpResponse( json.dumps(response), content_type="application/json" ) class HostingBillListView(PermissionRequiredMixin, LoginRequiredMixin, ListView): template_name = "hosting/bills.html" login_url = reverse_lazy('hosting:login') permission_required = ['view_hostingview'] context_object_name = "users" model = StripeCustomer paginate_by = 10 ordering = '-id' class HostingBillDetailView(PermissionRequiredMixin, LoginRequiredMixin, DetailView): template_name = "hosting/bill_detail.html" login_url = reverse_lazy('hosting:login') permission_required = ['view_hostingview'] context_object_name = "bill" model = HostingBill def get_object(self, queryset=None): # Get HostingBill for primary key (Select from customer users) pk = self.kwargs['pk'] object = HostingBill.objects.filter(customer__id=pk).first() if object is None: self.template_name = 'hosting/bill_error.html' return object def get_context_data(self, **kwargs): # Get context context = super(DetailView, self).get_context_data(**kwargs) owner = self.request.user manager = OpenNebulaManager(email=owner.email, password=owner.password) # Get vms queryset = manager.get_vms() vms = VirtualMachineSerializer(queryset, many=True).data # Set total price bill = context['bill'] bill.total_price = 0.0 for vm in vms: bill.total_price += vm['price'] context['vms'] = vms return context def forbidden_view(request, exception=None, reason=''): """ Handle 403 error """ logger.error(str(exception) if exception else None) logger.error('Reason = {reason}'.format(reason=reason)) err_msg = _('There was an error processing your request. Please try ' 'again.') messages.add_message(request, messages.ERROR, err_msg) return HttpResponseRedirect(request.get_full_path())