def test_get_free_device_path(self, p_ex_cmd, p_get_username):
p_get_username.return_value = 'root'
instance = r.InstanceResource({
'instance_id': '123454321',
'node_group': {}
})
stdout = """major minor #blocks name
8 0 488386584 vda
8 1 102400 vda1"""
p_ex_cmd.return_value = (0, stdout)
self.assertEqual(volumes._get_free_device_path(instance), '/dev/vdb')
stdout = """major minor #blocks name
8 0 488386584 xvda
8 1 102400 xvda1"""
p_ex_cmd.return_value = (0, stdout)
self.assertEqual(volumes._get_free_device_path(instance), '/dev/xvdb')
stdout = "major minor #blocks name\n"
for idx in range(0, 26):
line = " 8 0 488386584 vd" + chr(ord('a') + idx) + '\n'
stdout += line
p_ex_cmd.return_value = (0, stdout)
self.assertRaises(RuntimeError, volumes._get_free_device_path,
instance)
p_ex_cmd.side_effect = ex.RemoteCommandException('cmd')
self.assertRaises(ex.RemoteCommandException,
volumes._get_free_device_path, instance)
def test_await_attach_volume(self, dev_paths, p_sleep):
dev_paths.return_value = ['/dev/vda', '/dev/vdb']
p_sleep.return_value = None
instance = r.InstanceResource({'instance_id': '123454321',
'instance_name': 'instt'})
self.assertIsNone(volumes._await_attach_volume(instance, '/dev/vdb'))
self.assertRaises(RuntimeError, volumes._await_attach_volume,
instance, '/dev/vdc')
def test_mount_volume(self, p_ex_cmd):
instance = r.InstanceResource({'instance_id': '123454321'})
p_ex_cmd.return_value = (0, None)
self.assertIsNone(volumes._mount_volume(instance, '123', '456'))
self.assertEqual(p_ex_cmd.call_count, 3)
p_ex_cmd.reset_mock()
p_ex_cmd.side_effect = ex.RemoteCommandException('cmd')
self.assertRaises(ex.RemoteCommandException, volumes._mount_volume,
instance, '123', '456')
def test_mount_volume(self, p_ex_cmd):
instance = r.InstanceResource({'instance_id': '123454321'})
p_ex_cmd.return_value = (0, None)
self.assertIsNone(volumes._mount_volume(instance, '123', '456'))
self.assertEqual(p_ex_cmd.call_count, 3)
p_ex_cmd.reset_mock()
p_ex_cmd.return_value = (1, None)
self.assertRaises(RuntimeError, volumes._mount_volume,
instance, '123', '456')
self.assertEqual(p_ex_cmd.call_count, 3)
def test_mount_volume(self, p_ex_cmd, p_get_username, _acq, _rel,
run_in_sub, start_sub, get_conn_params, p_close):
p_get_username.return_value = 'root'
instance = r.InstanceResource({
'instance_id': '123454321',
'node_group': {}
})
p_ex_cmd.return_value = (0, None)
self.assertIsNone(volumes._mount_volume(instance, '123', '456'))
self.assertEqual(p_ex_cmd.call_count, 3)
p_ex_cmd.reset_mock()
p_ex_cmd.side_effect = ex.RemoteCommandException('cmd')
self.assertRaises(ex.RemoteCommandException, volumes._mount_volume,
instance, '123', '456')
def test_get_free_device_path(self, p_ex_cmd):
instance = r.InstanceResource({'instance_id': '123454321'})
p_ex_cmd.return_value = (1, None)
self.assertRaises(RuntimeError, volumes._get_free_device_path,
instance)
stdout = """major minor #blocks name
8 0 488386584 vda
8 1 102400 vda1"""
p_ex_cmd.return_value = (0, stdout)
self.assertEqual(volumes._get_free_device_path(instance), '/dev/vdb')
stdout = "major minor #blocks name\n"
for idx in range(0, 26):
line = " 8 0 488386584 vd" + chr(ord('a') + idx) + '\n'
stdout += line
p_ex_cmd.return_value = (0, stdout)
self.assertRaises(RuntimeError, volumes._get_free_device_path,
instance)