Cleanup and add tests
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modulos
parent
9a7df541c5
commit
0b5cf2c057
2 changed files with 192 additions and 107 deletions
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@ -2,12 +2,14 @@ import oca
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import socket
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import logging
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from oca.pool import WrongNameError
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from oca.exceptions import OpenNebulaException
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from django.conf import settings
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from django.utils.functional import cached_property
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from oca.pool import WrongNameError
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from oca.exceptions import OpenNebulaException
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from utils.models import CustomUser
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logger = logging.getLogger(__name__)
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@ -35,10 +37,33 @@ class OpenNebulaManager():
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)
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except:
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pass
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def _get_client(self, user):
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"""Get a opennebula client object for a CustomUser object
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Args:
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user (CustomUser): dynamicweb CustomUser object
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Returns:
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oca.Client: Opennebula client object
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Raise:
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ConnectionError: If the connection to the opennebula server can't be
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established
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"""
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return oca.Client("{0}:{1}".format(
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user.email,
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user.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_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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@ -47,6 +72,69 @@ class OpenNebulaManager():
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endpoint=settings.OPENNEBULA_ENDPOINT
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))
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def _get_user(self, user):
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"""Get the corresponding opennebula user for a CustomUser object
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Args:
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user (CustomUser): dynamicweb CustomUser object
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Returns:
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oca.User: Opennebula user object
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Raise:
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WrongNameError: If no openebula user with this credentials exists
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ConnectionError: If the connection to the opennebula server can't be
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established
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"""
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user_pool = self._get_user_pool()
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return user_pool.get_by_name(user.email)
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def create_user(self, user: CustomUser):
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"""Create a new opennebula user or a corresponding CustomUser object
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Args:
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user (CustomUser): dynamicweb CustomUser object
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Returns:
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int: Return the opennebula user id
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Raises:
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ConnectionError: If the connection to the opennebula server can't be
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established
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UserExistsError: If a user with this credeintals already exits on the
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server
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UserCredentialError: If a user with this email exists but the
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password is worng
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"""
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try:
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self._get_user(user)
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try:
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self._get_client(self, user)
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logger.debug('User already exists')
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raise UserExistsError()
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except OpenNebulaException as err:
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logger.error('OpenNebulaException error: {0}'.format(err))
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logger.debug('User exists but password is wrong')
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raise UserCredentialError()
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except WrongNameError:
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user_id = self.oneadmin_client.call(oca.User.METHODS['allocate'],
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user.email, user.password, 'core')
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logger.debug('Created a user for CustomObject: {user} with user id = {u_id}',
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user=user,
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u_id=user_id
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)
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return user_id
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except ConnectionRefusedError:
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logger.error('Could not connect to host: {host} via protocol {protocol}'.format(
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host=settings.OPENNEBULA_DOMAIN,
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protocol=settings.OPENNEBULA_PROTOCOL)
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)
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raise ConnectionRefusedError
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def _get_or_create_user(self, email, password):
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try:
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user_pool = self._get_user_pool()
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@ -77,7 +165,7 @@ class OpenNebulaManager():
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host=settings.OPENNEBULA_DOMAIN,
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protocol=settings.OPENNEBULA_PROTOCOL)
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)
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raise ConnectionRefusedError
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raise
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return user_pool
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def _get_vm_pool(self):
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@ -350,3 +438,42 @@ class OpenNebulaManager():
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self.opennebula_user.id,
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new_password
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)
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def add_public_key(self, user, public_key='', replace=True):
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"""
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Args:
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user (CustomUser): Dynamicweb user
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public_key (string): Public key to add to the user
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replace (bool): Optional if True the new public key replaces the old
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Raises:
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KeyExistsError: If replace is False and the user already has a
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public key
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WrongNameError: If no openebula user with this credentials exists
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ConnectionError: If the connection to the opennebula server can't be
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established
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Returns:
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True if public_key was added
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"""
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# TODO: Check if we can remove this first try because we basically just
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# raise the possible Errors
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try:
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open_user = self._get_user(user)
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try:
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old_key = open_user.template.ssh_public_key
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if not replace:
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raise KeyExistsError()
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except AttributeError:
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pass
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self.oneadmin_client.call('user.update', open_user.id,
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'<CONTEXT><SSH_PUBLIC_KEY>{key}</SSH_PUBLIC_KEY></CONTEXT>'.format(key=public_key))
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return True
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except WrongNameError:
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raise
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except ConnectionError:
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raise
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@ -1,35 +1,53 @@
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import socket
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import random
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import string
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from django.test import TestCase
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from .models import VirtualMachine, VirtualMachineTemplate, OpenNebulaManager
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from .models import OpenNebulaManager
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from utils.models import CustomUser
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class OpenNebulaManagerTestCases(TestCase):
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"""This class defines the test suite for the opennebula manager model."""
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def setUp(self):
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"""Define the test client and other test variables."""
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self.cores = 1
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self.memory = 1
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self.disk_size = 10.0
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self.email = 'test@test.com'
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self.password = 'testtest'
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self.manager = OpenNebulaManager(email=None, password=None, create_user=False)
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def test_model_can_connect_to_server(self):
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"""Test the opennebula manager model can connect to a server."""
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self.email = '{}@ungleich.ch'.format(''.join(random.choices(string.ascii_uppercase, k=10)))
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self.password = ''.join(random.choices(string.ascii_uppercase + string.digits, k=20))
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self.user = CustomUser.objects.create(name='test', email=self.email,
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password=self.password)
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self.vm_specs = {}
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self.vm_specs['cpu'] = 1
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self.vm_specs['memory'] = 2
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self.vm_specs['disk_size'] = 10
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self.manager = OpenNebulaManager()
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def test_connect_to_server(self):
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"""Test the opennebula manager can connect to a server."""
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try:
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user_pool = self.manager._get_user_pool()
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ver = self.manager.oneadmin_client.version()
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except:
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user_pool = None
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self.assertFalse(user_pool is None)
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ver = None
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self.assertTrue(ver is not None)
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def test_model_can_create_user(self):
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"""Test the opennebula manager model can create a new user."""
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def test_get_user(self):
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"""Test the opennebula manager can get a existing user."""
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self.manager.create_user(self.user)
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user = self.manager._get_user(self.user)
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name = user.name
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self.assertNotEqual(name, None)
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def test_create_and_delete_user(self):
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"""Test the opennebula manager can create and delete a new user."""
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old_count = len(self.manager._get_user_pool())
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self.manager = OpenNebulaManager(email=self.email,
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password=self.password,
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create_user=True)
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password=self.password)
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user_pool = self.manager._get_user_pool()
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new_count = len(user_pool)
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# Remove the user afterwards
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@ -38,96 +56,36 @@ class OpenNebulaManagerTestCases(TestCase):
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self.assertNotEqual(old_count, new_count)
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def test_user_can_login(self):
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""" Test the manager can login to a new created user"""
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self.manager.create_user(self.user)
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user = self.manager._get_user(self.user)
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client = self.manager._get_client(self.user)
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version = client.version()
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class VirtualMachineTemplateTestCase(TestCase):
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"""This class defines the test suite for the virtualmachine template model."""
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# Cleanup
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user.delete()
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self.assertNotEqual(version, None)
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def setUp(self):
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"""Define the test client and other test variables."""
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self.template_name = "Standard"
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self.base_price = 0.0
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self.core_price = 5.0
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self.memory_price = 2.0
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self.disk_size_price = 0.6
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def test_add_public_key_to_user(self):
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""" Test the manager can add a new public key to an user """
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self.manager.create_user(self.user)
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user = self.manager._get_user(self.user)
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public_key = 'test'
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self.manager.add_public_key(self.user, public_key)
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# Fetch new user information from opennebula
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user.info()
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user_public_key = user.template.ssh_public_key
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# Cleanup
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user.delete()
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self.cores = 1
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self.memory = 1
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self.disk_size = 10.0
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self.manager = OpenNebulaManager(email=None, password=None, create_user=False)
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self.opennebula_id = self.manager.create_template(name=self.template_name,
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cores=self.cores,
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memory=self.memory,
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disk_size=self.disk_size)
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self.template = VirtualMachineTemplate(opennebula_id=self.opennebula_id,
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base_price=self.base_price,
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memory_price=self.memory_price,
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core_price=self.core_price,
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disk_size_price=self.disk_size_price)
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self.assertEqual(user_public_key, public_key)
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def test_model_can_create_a_virtualmachine_template(self):
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"""Test the virtualmachine template model can create a template."""
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old_count = VirtualMachineTemplate.objects.count()
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self.template.save()
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new_count = VirtualMachineTemplate.objects.count()
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# Remove the template afterwards
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template = self.manager._get_template(self.template.opennebula_id)
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template.delete()
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self.assertNotEqual(old_count, new_count)
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def test_model_can_calculate_price(self):
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price = self.cores * self.core_price
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price += self.memory * self.memory_price
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price += self.disk_size * self.disk_size_price
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self.assertEqual(price, self.template.calculate_price())
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def test_requires_ssh_key_for_new_vm(self):
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"""Test the opennebula manager requires the user to have a ssh key when
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creating a new vm"""
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class VirtualMachineTestCase(TestCase):
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def setUp(self):
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"""Define the test client and other test variables."""
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self.template_name = "Standard"
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self.base_price = 0.0
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self.core_price = 5.0
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self.memory_price = 2.0
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self.disk_size_price = 0.6
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self.cores = 1
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self.memory = 1
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self.disk_size = 10.0
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self.manager = OpenNebulaManager(email=None, password=None, create_user=False)
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self.opennebula_id = self.manager.create_template(name=self.template_name,
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cores=self.cores,
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memory=self.memory,
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disk_size=self.disk_size)
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self.template = VirtualMachineTemplate(opennebula_id=self.opennebula_id,
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base_price=self.base_price,
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memory_price=self.memory_price,
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core_price=self.core_price,
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disk_size_price=self.disk_size_price)
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self.template_id = self.template.opennebula_id()
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self.opennebula_id = self.manager.create_virtualmachine(template_id=self.template_id)
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self.virtualmachine = VirtualMachine(opennebula_id=self.opennebula_id,
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template=self.template)
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def test_model_can_create_a_virtualmachine(self):
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"""Test the virtualmachine model can create a virtualmachine."""
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old_count = VirtualMachine.objects.count()
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self.virtualmachine.save()
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new_count = VirtualMachine.objects.count()
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self.assertNotEqual(old_count, new_count)
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def test_model_can_create_a_virtualmachine_for_user(self):
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pass
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def test_model_can_delete_a_virtualmachine(self):
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"""Test the virtualmachine model can delete a virtualmachine."""
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self.virtualmachine.save()
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old_count = VirtualMachine.objects.count()
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VirtualMachine.objects.first().delete()
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new_count = VirtualMachine.objects.count()
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self.assertNotEqual(old_count, new_count)
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