dynamicweb/hosting/views.py

1288 lines
49 KiB
Python

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.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.decorators.cache import cache_control
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.models import VMTemplate
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.tasks import send_plain_email_task
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
)
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
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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:dashboard')
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'))
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
if self.request.user.is_authenticated():
return HttpResponseRedirect(self.get_success_url())
return super(SignupView, self).get(request, *args, **kwargs)
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 = '<a href="' + \
reverse('hosting:login') + '">' + str(_('login')) + '</a>'
home_url = '<a href="' + \
reverse('datacenterlight:index') + '">Data Center Light</a>'
message = '{signup_success_message} {lurl}</a> \
<br />{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 = '<a href="' + \
reverse('hosting:login') + '">' + str(_('login')) + '</a>'
section_title = _('Account activation')
user = CustomUser.objects.filter(
validation_slug=self.kwargs['validate_slug']).first()
if validated:
message = ('{account_activation_string} <br />'
' {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 = '<a href="' + \
reverse('datacenterlight:index') + \
'">Data Center Light</a>'
message = '{sorry_message} <br />{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
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
if self.request.user.is_authenticated():
return HttpResponseRedirect(reverse_lazy('hosting:dashboard'))
return super(SignupValidatedView, self).get(request, *args, **kwargs)
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()
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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')
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
context = {}
return render(request, self.template_name, context)
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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 settings.DCL_SSH_KEY_NAME_PREFIX 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)
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
return render(request, self.template_name)
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
return render(request, self.template_name)
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
if 'next' in request.session:
del request.session['next']
return self.render_to_response(self.get_context_data())
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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, queryset=None):
order_id = self.kwargs.get('pk')
try:
hosting_order_obj = HostingOrder.objects.get(pk=order_id)
logger.debug("Found HostingOrder for id {order_id}".format(
order_id=order_id
))
except HostingOrder.DoesNotExist:
logger.debug("HostingOrder not found for id {order_id}".format(
order_id=order_id
))
hosting_order_obj = None
return hosting_order_obj
def get_context_data(self, **kwargs):
# Get context
context = super(
OrdersHostingDetailView, 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 not self.request.user.has_perm(
self.permission_required[0], obj
):
logger.debug(
"User {user} does not have permission on HostingOrder "
"{order_id}. Raising 404 error now.".format(
user=self.request.user.email,
order_id=obj.id if obj else 'None'
)
)
raise Http404
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
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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)
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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()
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
return super(OrdersHostingListView, self).get(request, *args, **kwargs)
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 < 1):
raise ValidationError(_('Invalid RAM size'))
def validate_storage(self, value):
if (value > 2000) or (value < 10):
raise ValidationError(_('Invalid storage size'))
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
context = {'templates': VMTemplate.objects.all()}
return render(request, self.template_name, context)
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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)
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def post(self, request, *args, **kwargs):
response = {'status': False}
admin_email_body = {}
owner = self.request.user
vm = self.get_object()
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'))
# Cancel Stripe subscription
stripe_utils = StripeUtils()
try:
hosting_order = HostingOrder.objects.get(
vm_id=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 canceling subscription for {user} and vm id '
'{vm_id}'.format(user=owner.email, vm_id=vm.id)
)
logger.error(error_msg)
admin_email_body['stripe_error_msg'] = error_msg
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=vm.id)
)
logger.error(error_msg)
admin_email_body['stripe_error_msg'] = error_msg
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') + vm.id
else:
for t in range(15):
try:
manager.get_vm(vm.id)
except WrongIdError:
response['status'] = True
response['text'] = ugettext('Terminated')
vm_detail_obj = VMDetail.objects.filter(
vm_id=vm.id
).first()
vm_detail_obj.terminated_at = datetime.utcnow()
vm_detail_obj.save()
except BaseException as base_exception:
logger.error(
"manager.get_vm({vm_id}) returned exception: "
"{details}.".format(
details=str(base_exception), vm_id=vm.id
)
)
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()
admin_email_body.update(response)
email_to_admin_data = {
'subject': "Deleted VM and Subscription for VM {vm_id} and "
"user: {user}".format(
vm_id=vm.id, user=owner.email
),
'from_email': settings.DCL_SUPPORT_FROM_ADDRESS,
'to': ['info@ungleich.ch'],
'body': "\n".join(
["%s=%s" % (k, v) for (k, v) in admin_email_body.items()]),
}
send_plain_email_task.delay(email_to_admin_data)
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())