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# Copyright (c) 2016 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import json
try:
from unittest import mock
except ImportError:
import mock
from pylxd import exceptions
from pylxd import models
from pylxd.tests import testing
def add_api_extension_helper(obj, extensions):
obj.add_rule({
'text': json.dumps({
'type': 'sync',
'metadata': {'auth': 'trusted',
'environment': {
'certificate': 'an-pem-cert',
},
'api_extensions': extensions
}}),
'method': 'GET',
'url': r'^http://pylxd.test/1.0$',
})
# Update hostinfo
obj.client.host_info = obj.client.api.get().json()['metadata']
class TestStoragePool(testing.PyLXDTestCase):
"""Tests for pylxd.models.StoragePool."""
def test_all(self):
"""A list of all storage_pools are returned."""
# first assert that the lxd storage requires 'storage' api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
models.StoragePool.all(self.client)
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['storage'])
storage_pools = models.StoragePool.all(self.client)
self.assertEqual(1, len(storage_pools))
def test_get(self):
"""Return a container."""
name = 'lxd'
# first assert that the lxd storage requires 'storage' api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
models.StoragePool.get(self.client, name)
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool.get(self.client, name)
self.assertEqual(name, a_storage_pool.name)
def test_partial(self):
"""A partial storage_pool is synced."""
a_storage_pool = models.StoragePool(self.client, name='lxd')
self.assertEqual('zfs', a_storage_pool.driver)
def test_create(self):
"""A new storage pool is created."""
config = {"config": {}, "driver": "zfs", "name": "lxd"}
# first assert that the lxd storage requires 'storage' api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
models.StoragePool.create(self.client, config)
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool.create(self.client, config)
self.assertEqual(config['name'], a_storage_pool.name)
def test_exists(self):
"""A storage pool exists."""
name = 'lxd'
# first assert that the lxd storage requires 'storage' api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
models.StoragePool.exists(self.client, name)
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['storage'])
self.assertTrue(models.StoragePool.exists(self.client, name))
def test_not_exists(self):
"""A storage pool exists."""
def not_found(request, context):
context.status_code = 404
return json.dumps({
'type': 'error',
'error': 'Not found',
'error_code': 404})
self.add_rule({
'text': not_found,
'method': 'GET',
'url': r'^http://pylxd.test/1.0/storage-pools/an-missing-storage-pool$', # NOQA
})
name = 'an-missing-storage-pool'
with mock.patch.object(self.client, 'assert_has_api_extension'):
self.assertFalse(models.StoragePool.exists(self.client, name))
def test_delete(self):
"""A storage pool can be deleted"""
a_storage_pool = models.StoragePool(self.client, name='lxd')
with mock.patch.object(self.client, 'assert_has_api_extension'):
a_storage_pool.delete()
def test_save(self):
"""A storage pool can be saved"""
a_storage_pool = models.StoragePool(self.client, name='lxd')
a_storage_pool.config = {'some': 'value'}
with mock.patch.object(self.client, 'assert_has_api_extension'):
a_storage_pool.save()
def test_put(self):
"""A storage pool can be PUT to"""
a_storage_pool = models.StoragePool(self.client, name='lxd')
put_object = {'some': 'value'}
with mock.patch.object(self.client, 'assert_has_api_extension'):
a_storage_pool.put(put_object)
def test_patch(self):
"""A storage pool can be PATCHed"""
a_storage_pool = models.StoragePool(self.client, name='lxd')
patch_object = {'some': 'value'}
with mock.patch.object(self.client, 'assert_has_api_extension'):
a_storage_pool.patch(patch_object)
class TestStorageResources(testing.PyLXDTestCase):
"""Tests for pylxd.models.StorageResources."""
def test_get(self):
a_storage_pool = models.StoragePool(self.client, name='lxd')
# first assert that the lxd storage resource requires 'resources'
# api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
a_storage_pool.resources.get()
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['resources'])
resources = a_storage_pool.resources.get()
self.assertEqual(resources.space['used'], 207111192576)
self.assertEqual(resources.space['total'], 306027577344)
self.assertEqual(resources.inodes['used'], 3275333)
self.assertEqual(resources.inodes['total'], 18989056)
class TestStorageVolume(testing.PyLXDTestCase):
"""Tests for pylxd.models.StorageVolume."""
def test_all(self):
a_storage_pool = models.StoragePool(self.client, name='lxd')
# first assert that the lxd storage resource requires 'storage'
# api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
a_storage_pool.volumes.all()
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['storage'])
volumes = a_storage_pool.volumes.all()
# assert that we decoded stuff reasonably well.
self.assertEqual(len(volumes), 6)
self.assertEqual(volumes[0].type, 'container')
self.assertEqual(volumes[0].name, 'c1')
self.assertEqual(volumes[3].type, 'image')
self.assertEqual(volumes[3].name, 'i1')
self.assertEqual(volumes[5].type, 'custom')
self.assertEqual(volumes[5].name, 'cu1')
def test_get(self):
a_storage_pool = models.StoragePool(self.client, name='lxd')
# first assert that the lxd storage requires 'storage' api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
a_storage_pool.volumes.get('custom', 'cu1')
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['storage'])
# now do the proper get
volume = a_storage_pool.volumes.get('custom', 'cu1')
self.assertEqual(volume.type, 'custom')
self.assertEqual(volume.name, 'cu1')
config = {
"block.filesystem": "ext4",
"block.mount_options": "discard",
"size": "10737418240"
}
self.assertEqual(volume.config, config)
def test_create(self):
a_storage_pool = models.StoragePool(self.client, name='lxd')
config = {
"config": {},
"pool": "lxd",
"name": "cu1",
"type": "custom"
}
# first assert that the lxd storage requires 'storage' api_extension
with self.assertRaises(exceptions.LXDAPIExtensionNotAvailable):
a_storage_pool.volumes.create(self.client, config)
# now make sure that it's available without mocking it out.
add_api_extension_helper(self, ['storage'])
a_volume = a_storage_pool.volumes.create(self.client, config)
self.assertEqual(config['name'], a_volume.name)
def test_create_async(self):
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool(self.client, name='async-lxd')
config = {
"config": {},
"pool": "async-lxd",
"name": "cu1",
"type": "custom"
}
a_storage_pool.volumes.create(self.client, config, wait=True)
def test_rename(self):
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool(self.client, name='lxd')
a_volume = a_storage_pool.volumes.get('custom', 'cu1')
_input = {
"name": "vol1",
"pool": "pool3",
"migration": True
}
result = a_volume.rename(_input)
self.assertEqual(result['control'], 'secret1')
self.assertEqual(result['fs'], 'secret2')
def test_rename_async(self):
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool(self.client, name='async-lxd')
a_volume = a_storage_pool.volumes.get('custom', 'cu1')
_input = {
"name": "vol1",
"pool": "pool3",
"migration": True
}
a_volume.rename(_input, wait=True)
def test_put(self):
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool(self.client, name='lxd')
a_volume = a_storage_pool.volumes.get('custom', 'cu1')
put_object = {
'config': {'size': 1}
}
a_volume.put(put_object)
def test_patch(self):
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool(self.client, name='lxd')
a_volume = a_storage_pool.volumes.get('custom', 'cu1')
patch_object = {
'config': {'size': 1}
}
with mock.patch.object(self.client, 'assert_has_api_extension'):
a_volume.patch(patch_object)
def test_save(self):
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool(self.client, name='lxd')
a_volume = a_storage_pool.volumes.get('custom', 'cu1')
a_volume.config = {'size': 2}
a_volume.save()
def test_delete(self):
add_api_extension_helper(self, ['storage'])
a_storage_pool = models.StoragePool(self.client, name='lxd')
a_volume = a_storage_pool.volumes.get('custom', 'cu1')
a_volume.delete()
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