from collections import namedtuple
from django.shortcuts import render
from django.http import Http404
from django.core.urlresolvers import reverse_lazy, reverse
from django.contrib.auth.mixins import LoginRequiredMixin
from django.views.generic import View, CreateView, FormView, ListView, DetailView,\
DeleteView, TemplateView, UpdateView
from django.http import HttpResponseRedirect
from django.contrib.auth import authenticate, login
from django.contrib import messages
from django.conf import settings
from django.shortcuts import redirect
from django.utils.http import urlsafe_base64_decode
from django.contrib.auth.tokens import default_token_generator
from guardian.mixins import PermissionRequiredMixin
from stored_messages.settings import stored_messages_settings
from stored_messages.models import Message
from stored_messages.api import mark_read
from membership.models import CustomUser, StripeCustomer
from utils.stripe_utils import StripeUtils
from utils.forms import BillingAddressForm, PasswordResetRequestForm, UserBillingAddressForm
from utils.views import PasswordResetViewMixin, PasswordResetConfirmViewMixin, LoginViewMixin
from utils.mailer import BaseEmail
from .models import HostingOrder, HostingBill, HostingPlan, UserHostingKey
from .forms import HostingUserSignupForm, HostingUserLoginForm, UserHostingKeyForm
from .mixins import ProcessVMSelectionMixin
from opennebula_api.models import OpenNebulaManager
from opennebula_api.serializers import VirtualMachineSerializer,\
VirtualMachineTemplateSerializer
from oca.exceptions import OpenNebulaException
from oca.pool import WrongNameError
CONNECTION_ERROR = "Your VMs cannot be displayed at the moment due to a backend \
connection error. please try again in a few minutes."
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()
# configuration_detail = dict(VirtualMachinePlan.VM_CONFIGURATION).get(HOSTING)
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'
# configuration_detail = dict(VirtualMachinePlan.VM_CONFIGURATION).get(HOSTING)
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:virtual_machines')
class SignupView(CreateView):
template_name = 'hosting/signup.html'
form_class = HostingUserSignupForm
model = CustomUser
success_url = reverse_lazy('hosting:key_pair')
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')
CustomUser.register(name, password, email)
auth_user = authenticate(email=email, password=password)
login(self.request, auth_user)
return HttpResponseRedirect(self.get_success_url())
class PasswordResetView(PasswordResetViewMixin):
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(new_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:
messages.error(
request, 'The reset password link is no longer valid.')
form.add_error(None, 'The reset password link is no longer valid.')
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 GenerateVMSSHKeysView(LoginRequiredMixin, FormView):
form_class = UserHostingKeyForm
model = UserHostingKey
template_name = 'hosting/virtual_machine_key.html'
login_url = reverse_lazy('hosting:login')
context_object_name = "virtual_machine"
def get_context_data(self, **kwargs):
context = super(
GenerateVMSSHKeysView,
self
).get_context_data(**kwargs)
try:
user_key = UserHostingKey.objects.get(
user=self.request.user
)
except UserHostingKey.DoesNotExist:
user_key = None
context.update({
'user_key': user_key
})
return context
def get_form_kwargs(self):
kwargs = super(GenerateVMSSHKeysView, self).get_form_kwargs()
kwargs.update({'request': self.request})
return kwargs
def form_valid(self, form):
form.save()
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
# Create OpenNebulaManager
manager = OpenNebulaManager(email=owner.email,
password=owner.password)
# Get OpenNebula user id
user_pool = manager._get_user_pool()
opennebula_user = user_pool.get_by_name(owner.email)
# Get user ssh key
user_key = UserHostingKey.objects.get(user=owner)
# Add ssh key to user
manager.oneadmin_client.call('user.update', opennebula_user.id,
'<CONTEXT><SSH_PUBLIC_KEY>{ssh_key}</SSH_PUBLIC_KEY></CONTEXT>'.format(ssh_key=user_key.public_key))
return render(self.request, self.template_name, context)
def post(self, request, *args, **kwargs):
try:
UserHostingKey.objects.get(
user=self.request.user
)
return HttpResponseRedirect(reverse('hosting:key_pair'))
except UserHostingKey.DoesNotExist:
pass
form = self.get_form()
if form.is_valid():
return self.form_valid(form)
else:
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': {
'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):
try:
UserHostingKey.objects.get(
user=self.request.user
)
except UserHostingKey.DoesNotExist:
messages.success(
request,
'In order to create a VM, you create/upload your SSH KEY first.'
)
return HttpResponseRedirect(reverse('hosting:key_pair'))
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
context = self.get_context_data()
template = request.session.get('template')
specs = request.session.get('specs')
vm_template_id = template.get('id', 1)
final_price = specs.get('price')
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:
form.add_error("__all__", "Invalid credit card")
return self.render_to_response(self.get_context_data(form=form))
# Create Billing Address
billing_address = form.save()
# Make stripe charge to a customer
stripe_utils = StripeUtils()
charge_response = stripe_utils.make_charge(amount=final_price,
customer=customer.stripe_id)
charge = charge_response.get('response_object')
# Check if the payment was approved
if not charge:
context.update({
'paymentError': charge_response.get('error'),
'form': form
})
return render(request, self.template_name, context)
charge = charge_response.get('response_object')
# Create OpenNebulaManager
manager = OpenNebulaManager(email=owner.email,
password=owner.password)
# Get user ssh key
try:
user_key = UserHostingKey.objects.get(
user=self.request.user
)
except UserHostingKey.DoesNotExist:
pass
# Create a vm using logged user
vm_id = manager.create_vm(
template_id=vm_template_id,
# XXX: Confi
specs=specs,
ssh_key=user_key.public_key,
)
# Create a Hosting Order
order = HostingOrder.create(
price=final_price,
vm_id=vm_id,
customer=customer,
billing_address=billing_address
)
# Create a Hosting Bill
bill = HostingBill.create(
customer=customer, billing_address=billing_address)
# Create Billing Address for User if he does not have one
if not customer.user.billing_addresses.count():
billing_address_data.update({
'user': customer.user.id
})
billing_address_user_form = UserBillingAddressForm(
billing_address_data)
billing_address_user_form.is_valid()
billing_address_user_form.save()
# Associate an order with a stripe payment
order.set_stripe_charge(charge)
# If the Stripe payment was successed, set order status approved
order.set_approved()
vm = VirtualMachineSerializer(manager.get_vm(vm_id)).data
# Send notification to ungleich as soon as VM has been booked
context = {
'vm': vm,
'order': order,
'base_url': "{0}://{1}".format(request.scheme, request.get_host())
}
email_data = {
'subject': 'New VM request',
'to': request.user.email,
'context': context,
'template_name': 'new_booked_vm',
'template_path': 'hosting/emails/'
}
email = BaseEmail(**email_data)
email.send()
return HttpResponseRedirect(reverse('hosting:orders', kwargs={'pk': order.id}))
else:
return self.form_invalid(form)
class OrdersHostingDetailView(PermissionRequiredMixin, 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_context_data(self, **kwargs):
# Get context
context = super(DetailView, self).get_context_data(**kwargs)
obj = self.get_object()
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password)
try:
vm = manager.get_vm(obj.vm_id)
context['vm'] = VirtualMachineSerializer(vm).data
except ConnectionRefusedError:
messages.error(request,
'In order to create a VM, you need to create/upload your SSH KEY first.'
)
return context
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)
return context
class CreateVirtualMachinesView(LoginRequiredMixin, View):
template_name = "hosting/create_virtual_machine.html"
login_url = reverse_lazy('hosting:login')
def get(self, request, *args, **kwargs):
try:
UserHostingKey.objects.get(
user=self.request.user
)
except UserHostingKey.DoesNotExist:
messages.success(
request,
'In order to create a VM, you need to create/upload your SSH KEY first.'
)
return HttpResponseRedirect(reverse('hosting:key_pair'))
try:
manager = OpenNebulaManager()
templates = manager.get_templates()
configuration_options = HostingPlan.get_serialized_configs()
context = {
'templates': VirtualMachineTemplateSerializer(templates, many=True).data,
'configuration_options': configuration_options,
}
except:
messages.error(
request,
'We could not load the VM templates due to a backend connection \
error. Please try again in a few minutes'
)
context = {
'error': 'connection'
}
return render(request, self.template_name, context)
def post(self, request):
manager = OpenNebulaManager()
template_id = request.POST.get('vm_template_id')
template = manager.get_template(template_id)
configuration_id = int(request.POST.get('configuration'))
configuration = HostingPlan.objects.get(id=configuration_id)
request.session['template'] = VirtualMachineTemplateSerializer(
template).data
request.session['specs'] = configuration.serialize()
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 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:
print(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()
try:
serializer = VirtualMachineSerializer(vm)
context = {
'virtual_machine': serializer.data,
}
except:
pass
return render(request, self.template_name, context)
def post(self, request, *args, **kwargs):
owner = self.request.user
vm = self.get_object()
opennebula_vm_id = self.kwargs.get('pk')
manager = OpenNebulaManager(
email=owner.email,
password=owner.password
)
terminated = manager.delete_vm(
vm.id
)
if not terminated:
messages.error(
request,
'Error terminating VM %s' % (opennebula_vm_id)
)
return HttpResponseRedirect(self.get_success_url())
context = {
'vm': vm,
'base_url': "{0}://{1}".format(self.request.scheme, self.request.get_host())
}
email_data = {
'subject': 'Virtual machine plan canceled',
'to': self.request.user.email,
'context': context,
'template_name': 'vm_status_changed',
'template_path': 'hosting/emails/'
}
email = BaseEmail(**email_data)
email.send()
messages.error(
request,
'VM %s terminated successfully' % (opennebula_vm_id)
)
return HttpResponseRedirect(self.get_success_url())
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