df777f384d
Please Note: This app is going to be developed in a TDD style. Please add test first and then the corresponding code. This way we can be sure everything works and it should help us coordinate our work.
70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
import oca
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import socket
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from django.db import models
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from django.conf import settings
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from oca.pool import WrongNameError
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class VirtualMachineTemplate(models.Model):
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"""This class represents an opennebula template."""
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opennebula_id = models.IntegerField()
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base_price = models.FloatField()
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memory_price = models.FloatField()
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core_price = models.FloatField()
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disk_size_price = models.FloatField()
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class VirtualMachine(models.Model):
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"""This class represents an opennebula virtual machine."""
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opennebula_id = models.IntegerField()
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template = models.ForeignKey(VirtualMachineTemplate)
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class OpenNebulaManager():
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"""This class represents an opennebula manager."""
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def __init__(self, email=None, password=None, create_user=True):
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# Get oneadmin client
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self.oneadmin_client = self._get_opennebula_client(
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settings.OPENNEBULA_USERNAME,
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settings.OPENNEBULA_PASSWORD
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)
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if not create_user:
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return
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# Get or create oppenebula user using given credentials
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self.opennebula_user = self._get_or_create_user(
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email,
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password
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)
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# If opennebula user was created/obtained, get his client
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if self.opennebula_user:
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self.client = self._get_opennebula_client(
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email,
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password
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)
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def _get_opennebula_client(self, username, password):
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return oca.Client("{0}:{1}".format(
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username,
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password),
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"{protocol}://{domain}:{port}{endpoint}".format(
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protocol=settings.OPENNEBULA_PROTOCOL,
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domain=settings.OPENNEBULA_DOMAIN,
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port=settings.OPENNEBULA_PORT,
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endpoint=settings.OPENNEBULA_ENDPOINT
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))
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def _get_or_create_user(self, email, password):
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try:
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user_pool = oca.UserPool(self.oneadmin_client)
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user_pool.info()
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opennebula_user = user_pool.get_by_name(email)
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return opennebula_user
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except WrongNameError as wrong_name_err:
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opennebula_user = self.oneadmin_client.call(oca.User.METHODS['allocate'], email,
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password, 'core')
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return opennebula_user
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