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Merge pull request #227 from levivm/opennebula-integration

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Opennebula integration
This commit is contained in:
Levi Velázquez 2017-05-08 21:55:07 -05:00 committed by GitHub
commit 31b7b37eb9
3 changed files with 135 additions and 27 deletions
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32
hosting/models.py
View file

@ -176,13 +176,30 @@ class VirtualMachinePlan(AssignPermissionsMixin, models.Model):
self.save(update_fields=['status'])
@classmethod
def get_vm(self, email, vm_id):
def create_opennebula_vm(self, user, specs):
# Init opennebula manager using given user
opennebula_client = OpenNebulaManager(
user.email,
user.password[0:20],
create_user=True
)
# Create a vm in opennebula using given specs
vm = opennebula_client.create_vm(specs)
return vm
@classmethod
def get_vm(self, user, vm_id):
# Get opennebula client
opennebula_client = OpenNebulaManager()
opennebula_client = OpenNebulaManager(
email=user.email,
password=user.password[:20],
)
# Get vm given the id
vm = opennebula_client.get_vm(
email,
user.email,
vm_id
)
@ -192,13 +209,16 @@ class VirtualMachinePlan(AssignPermissionsMixin, models.Model):
return vm_data
@classmethod
def get_vms(self, email):
def get_vms(self, user):
# Get opennebula client
opennebula_client = OpenNebulaManager()
opennebula_client = OpenNebulaManager(
email=user.email,
password=user.password[:20],
)
# Get vm pool
vm_pool = opennebula_client.get_vms(email)
vm_pool = opennebula_client.get_vms(user.email)
# Reset total price
self.total_price = 0

103
hosting/opennebula_functions.py
View file

@ -35,10 +35,34 @@ class OpenNebulaManager:
'11': 'CLONING_FAILURE',
}
def __init__(self):
self.client = oca.Client("{0}:{1}".format(
def __init__(self, email=None, password=None, create_user=True):
# Get oneadmin client
self.oneadmin_client = self._get_opennebula_client(
settings.OPENNEBULA_USERNAME,
settings.OPENNEBULA_PASSWORD),
settings.OPENNEBULA_PASSWORD
)
if not create_user:
return
# Get or create oppenebula user using given credentials
self.opennebula_user = self._get_or_create_user(
email,
password
)
# If opennebula user was created/obtained, get his client
if self.opennebula_user:
self.client = self._get_opennebula_client(
email,
password
)
def _get_opennebula_client(self, username, password):
return oca.Client("{0}:{1}".format(
username,
password),
"{protocol}://{domain}:{port}{endpoint}".format(
protocol=settings.OPENNEBULA_PROTOCOL,
domain=settings.OPENNEBULA_DOMAIN,
@ -46,6 +70,25 @@ class OpenNebulaManager:
endpoint=settings.OPENNEBULA_ENDPOINT
))
def _get_or_create_user(self, email, password):
try:
user_pool = oca.UserPool(self.oneadmin_client)
user_pool.info()
opennebula_user = user_pool.get_by_name(email)
return opennebula_user
except WrongNameError as wrong_name_err:
# TODO: Store this password so that we can use it later to
# connect to opennebula
return oca.User.allocate(self.oneadmin_client, email, password)
logger.debug(
"User {0} does not exist. Created the user. User id = {1}",
email,
opennebula_user
)
except OpenNebulaException as err:
logger.error("Error : {0}".format(err))
@classmethod
def get_vm_state(self, state):
return self.VM_STATE.get(str(state))
@ -77,6 +120,56 @@ class OpenNebulaManager:
return vm_data
def create_vm(self, specs):
vm_id = None
try:
# We do have the vm_template param set. Get and parse it
# and check it to be in the desired range.
# We have 8 possible VM templates for the moment which are 1x, 2x, 4x ...
# the basic template of 10GB disk, 1GB ram, 1 vcpu, 0.1 cpu
vm_string_formatter = """<VM>
<MEMORY>{memory}</MEMORY>
<VCPU>{vcpu}</VCPU>
<CPU>{cpu}</CPU>
<DISK>
<TYPE>{disk_type}</TYPE>
<SIZE>{size}</SIZE>
</DISK>
</VM>
"""
vm_id = oca.VirtualMachine.allocate(
self.oneadmin_client,
vm_string_formatter.format(
memory=1024 * specs.get('memory'),
vcpu=specs.get('cores'),
cpu=0.1 * specs.get('cores'),
disk_type='fs',
size=10000 * specs.get('disk_size')
)
)
self.oneadmin_client.call(
oca.VirtualMachine.METHODS['chown'],
vm_id,
self.opennebula_user.id,
self.opennebula_user.group_ids[0]
)
# oca.VirtualMachine.chown(
# vm_id,
# )
except socket.timeout as socket_err:
logger.error("Socket timeout error: {0}".format(socket_err))
except OpenNebulaException as opennebula_err:
logger.error("OpenNebulaException error: {0}".format(opennebula_err))
except OSError as os_err:
logger.error("OSError : {0}".format(os_err))
except ValueError as value_err:
logger.error("ValueError : {0}".format(value_err))
return vm_id
def get_vm(self, email, vm_id):
# Get vm's
vms = self.get_vms(email)
@ -85,7 +178,7 @@ class OpenNebulaManager:
return vms.get_by_id(int(vm_id))
def get_vms(self, email):
client = self.client
client = self.oneadmin_client
# Get open nebula user id for given email
user_pool = oca.UserPool(client)
@ -99,7 +192,7 @@ class OpenNebulaManager:
vm_pool.info()
# TODO: this is just to test with oneadmin user, remove this
user_id = 0
# user_id = 0
vm_pool.info(filter=user_id)
return vm_pool

27
hosting/views.py
View file

@ -27,7 +27,7 @@ from utils.mailer import BaseEmail
from .models import VirtualMachineType, VirtualMachinePlan, HostingOrder, UserHostingKey
from .forms import HostingUserSignupForm, HostingUserLoginForm, UserHostingKeyForm
from .mixins import ProcessVMSelectionMixin
from .opennebula_functions import HostingManageVMAdmin
from .opennebula_functions import HostingManageVMAdmin, OpenNebulaManager
class DjangoHostingView(ProcessVMSelectionMixin, View):
@ -340,19 +340,14 @@ class PaymentVMView(LoginRequiredMixin, FormView):
# If the Stripe payment was successed, set order status approved
order.set_approved()
# Create VM using oppenebula functions
# _request = namedtuple('request', 'POST user')
# _request.user = request.user
# user = namedtuple('user', 'email')
# email
# _request.POST = {
# 'vm_template': vm_template
# }
# Create a vm using logged user
oppennebula_vm_id = VirtualMachinePlan.create_opennebula_vm(
self.request.user,
specs
)
hosting_admin = HostingManageVMAdmin.__new__(HostingManageVMAdmin)
hosting_admin.init_opennebula_client(request)
oppennebula_vm_id = hosting_admin.create_vm_view(vm_type.get_specs())
plan.oppenebula_id = oppennebula_vm_id
plan.save()
# Send notification to ungleich as soon as VM has been booked
context = {
@ -415,14 +410,14 @@ class VirtualMachinesPlanListView(LoginRequiredMixin, ListView):
def get_context_data(self, **kwargs):
context = super(VirtualMachinesPlanListView, self).get_context_data(**kwargs)
context.update({
'vms_opennebula': VirtualMachinePlan.get_vms(self.request.user.email)
'vms_opennebula': VirtualMachinePlan.get_vms(self.request.user)
})
return context
def get_queryset(self):
# hosting_admin = HostingManageVMAdmin.__new__(HostingManageVMAdmin)
# print(hosting_admin.show_vms_view(self.request))
print(VirtualMachinePlan.get_vms(self.request.user.email))
# print(VirtualMachinePlan.get_vms(self.request.user.))
user = self.request.user
self.queryset = VirtualMachinePlan.objects.active(user)
return super(VirtualMachinesPlanListView, self).get_queryset()
@ -502,10 +497,10 @@ class VirtualMachineView(PermissionRequiredMixin, LoginRequiredMixin, View):
# return final_url
def get(self, request, *args, **kwargs):
vm_id = self.kwargs.get('pk', 24)
vm_id = self.kwargs.get('pk')
try:
opennebula_vm = VirtualMachinePlan.get_vm(
self.request.user.email,
self.request.user,
vm_id
)
except Exception as error: