71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
import oca
|
|
import socket
|
|
|
|
from django.db import models
|
|
from django.conf import settings
|
|
|
|
from oca.pool import WrongNameError
|
|
|
|
class VirtualMachineTemplate(models.Model):
|
|
"""This class represents an opennebula template."""
|
|
opennebula_id = models.IntegerField()
|
|
base_price = models.FloatField()
|
|
memory_price = models.FloatField()
|
|
core_price = models.FloatField()
|
|
disk_size_price = models.FloatField()
|
|
|
|
|
|
class VirtualMachine(models.Model):
|
|
"""This class represents an opennebula virtual machine."""
|
|
opennebula_id = models.IntegerField()
|
|
template = models.ForeignKey(VirtualMachineTemplate)
|
|
|
|
class OpenNebulaManager():
|
|
"""This class represents an opennebula manager."""
|
|
|
|
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
|
|
)
|
|
|
|
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,
|
|
port=settings.OPENNEBULA_PORT,
|
|
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:
|
|
opennebula_user = self.oneadmin_client.call(oca.User.METHODS['allocate'], email,
|
|
password, 'core')
|
|
return opennebula_user
|