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Add images as configuration

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This commit is contained in:
Modulos 2017-05-13 06:59:57 +02:00
parent c816d280ee
commit 75d93b2aad
6 changed files with 108 additions and 46 deletions
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3
hosting/models.py
View file

@ -7,7 +7,6 @@ import oca
from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.utils.functional import cached_property
from hosting.opennebula_functions import OpenNebulaManager
from django.conf import settings
@ -18,8 +17,6 @@ from membership.models import StripeCustomer, CustomUser
from utils.models import BillingAddress
from utils.mixins import AssignPermissionsMixin
from .managers import VMPlansManager
from oca.exceptions import OpenNebulaException
from oca.pool import WrongNameError
logger = logging.getLogger(__name__)

10
hosting/templates/hosting/create_virtual_machine.html
View file

@ -24,16 +24,16 @@
{% endfor %}
</select>
</div>
<!-- <div class="form-group">
<div class="form-group">
Select VM Configuration:
<select name="configuration">
{% for config in configuration_options %}
<select name="vm_image_id">
{% for image in images %}
<option value="{{config.0}}">{{config.1}} </option>
<option value="{{image.id}}">{{image.name}} </option>
{% endfor %}
</select>
</div> -->
</div>
<div class="form-group">
<button class="btn btn-success" >{% trans "Start VM"%} </button>
</div>

33
hosting/views.py
View file

@ -31,7 +31,9 @@ from .mixins import ProcessVMSelectionMixin
from opennebula_api.models import OpenNebulaManager
from opennebula_api.serializers import VirtualMachineSerializer,\
VirtualMachineTemplateSerializer
VirtualMachineTemplateSerializer,\
ImageSerializer
from oca.exceptions import OpenNebulaException
from oca.pool import WrongNameError
@ -392,6 +394,7 @@ class PaymentVMView(LoginRequiredMixin, FormView):
specifications = request.session.get('template')
vm_template_id = specifications.get('id', 1)
vm_image_id = request.session.get('image').get('id', 1)
final_price = specifications.get('price', 1)
@ -428,8 +431,6 @@ class PaymentVMView(LoginRequiredMixin, FormView):
# Create OpenNebulaManager
manager = OpenNebulaManager(email=owner.email,
password=owner.password)
template = manager.get_template(vm_template_id)
# Get user ssh key
try:
user_key = UserHostingKey.objects.get(
@ -441,8 +442,9 @@ class PaymentVMView(LoginRequiredMixin, FormView):
# Create a vm using logged user
vm_id = manager.create_vm(
vm_template_id,
ssh_key=user_key.public_key
template_id=vm_template_id,
ssh_key=user_key.public_key,
image_id=vm_image_id,
)
# Create a Hosting Order
@ -567,21 +569,24 @@ class CreateVirtualMachinesView(LoginRequiredMixin, View):
)
return HttpResponseRedirect(reverse('hosting:key_pair'))
#TODO: Replace with OpenNebulaManager.get_apps
templates = OpenNebulaManager().get_templates()
data = VirtualMachineTemplateSerializer(templates, many=True).data
manager = OpenNebulaManager()
templates = manager.get_templates()
images = manager.get_images()
context = {
'templates': data,
'templates': VirtualMachineTemplateSerializer(templates, many=True).data,
'images' : ImageSerializer(images, many=True).data
}
# context = {}
return render(request, self.template_name, context)
def post(self, request):
template_id = int(request.POST.get('vm_template_id'))
template = OpenNebulaManager().get_template(template_id)
data = VirtualMachineTemplateSerializer(template).data
request.session['template'] = data
manager = OpenNebulaManager()
template_id = request.POST.get('vm_template_id')
template = manager.get_template(template_id)
image_id = request.POST.get('vm_image_id')
image = manager.get_image(image_id)
request.session['template'] = VirtualMachineTemplateSerializer(template).data
request.session['image'] = ImageSerializer(image).data
return redirect(reverse('hosting:payment'))

87
opennebula_api/models.py
View file

@ -102,23 +102,43 @@ class OpenNebulaManager():
return []
def get_vm(self, vm_id):
vm_id = int(vm_id)
try:
vm_pool = self._get_vm_pool()
return vm_pool.get_by_id(int(vm_id))
return vm_pool.get_by_id(vm_id)
except:
return None
#TODO: get app with id
def create_vm(self, template_id, app_id=None, ssh_key=None):
extra_template = "<CONTEXT><SSH_PUBLIC_KEY>{ssh_key}</SSH_PUBLIC_KEY></CONTEXT>".format(
ssh_key=ssh_key
)
vm_id = self.oneadmin_client.call(
oca.VmTemplate.METHODS['instantiate'],
template_id,
'',
False,
extra_template
def create_vm(self, template_id, image_id=None, ssh_key=None):
extra_template_formater = """<CONTEXT>
<SSH_PUBLIC_KEY>{ssh_key}</SSH_PUBLIC_KEY>
</CONTEXT>
<DISK>
<IMAGE_ID>{image_id}</IMAGE_ID>
</DISK>
"""
template = self.get_template(template_id)
vm_id = template.instantiate(name ='', pending=False, extra_template='')
image = self.get_image(image_id)
image_name = "{image_name}{template_name}{vm_id}".format(
image_name=image.name,
template_name=template.name,
vm_id = vm_id,
)
image_id = image.clone(name=image_name)
self.oneadmin_client.call(
oca.VmTemplate.METHODS['update'],
vm_id,
extra_template_formater.format(
ssh_key=ssh_key,
image_id=image_id
),
# 0 = Replace / 1 = Merge
1,
)
try:
self.oneadmin_client.call(
@ -177,8 +197,12 @@ class OpenNebulaManager():
return []
def get_template(self, template_id):
template_pool = self._get_template_pool()
return template_pool.get_by_id(template_id)
template_id = int(template_id)
try:
template_pool = self._get_template_pool()
return template_pool.get_by_id(template_id)
except:
return None
@ -238,3 +262,38 @@ class OpenNebulaManager():
self.opennebula_user.id,
new_password
)
def _get_image_pool(self):
try:
image_pool = oca.ImagePool(self.oneadmin_client)
image_pool.info()
#TODO: Replace with logger
except ConnectionRefusedError:
logger.info('Could not connect to host: {host} via protocol {protocol}'.format(
host=settings.OPENNEBULA_DOMAIN,
protocol=settings.OPENNEBULA_PROTOCOL)
)
raise ConnectionRefusedError
return image_pool
def get_images(self):
try:
public_images = [
image
for image in self._get_image_pool()
if 'public-' in image.name
]
return public_images
except ConnectionRefusedError:
return []
pass
def get_image(self, image_id):
image_id = int(image_id)
try:
image_pool = self._get_image_pool()
return image_pool.get_by_id(image_id)
except:
return None

9
opennebula_api/serializers.py
View file

@ -31,7 +31,7 @@ class VirtualMachineTemplateSerializer(serializers.Serializer):
core_price = template.pop('cpu_cost')
memory_price = template.pop('memory_cost')
disk_size_price = template.pop('disk_cost')
manager = OpenNebulaManager(create_user = False)
manager = OpenNebulaManager()
try:
opennebula_id = manager.create_template(name=name, cores=cores,
@ -92,7 +92,7 @@ class VirtualMachineSerializer(serializers.Serializer):
try:
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user = True)
)
opennebula_id = manager.create_vm(template_id)
except OpenNebulaException as err:
raise serializers.ValidationError("OpenNebulaException occured. {0}".format(err))
@ -117,3 +117,8 @@ class VirtualMachineSerializer(serializers.Serializer):
price += int(disk.size)/1024 * float(template.disk_cost)
return price
class ImageSerializer(serializers.Serializer):
"""Serializer to map the image instance into JSON format."""
id = serializers.IntegerField(read_only=True)
name = serializers.CharField()

12
opennebula_api/views.py
View file

@ -47,8 +47,7 @@ class VmCreateView(generics.ListCreateAPIView):
def get_queryset(self):
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user=True)
password=owner.password)
return manager.get_vms()
def perform_create(self, serializer):
@ -64,21 +63,18 @@ class VmDetailsView(generics.RetrieveUpdateDestroyAPIView):
def get_queryset(self):
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user=True)
password=owner.password)
return manager.get_vms()
def get_object(self):
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user=True)
password=owner.password)
return manager.get_vm(self.kwargs.get('pk'))
def perform_destroy(self, instance):
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password,
create_user = True)
password=owner.password)
manager.delete_vm(instance.id)