def test_agent_config_update(self):
""" Test that updating the config using the RPC struct works """
self.agent._parse_options(["--config-path", self.agent_conf_dir,
"--availability-zone", "test",
"--hostname", "localhost",
"--port", "1234",
"--datastores", "ds1, ds2"])
expected_image_ds = [{"name": "ds3", "used_for_vms": True}]
# Without chairman config we can't be provision ready
self.assertFalse(self.agent.bootstrap_ready)
self.assertTrue(self.agent.provision_ready)
self.assertFalse(self.agent.reboot_required)
req = ProvisionRequest()
req.availability_zone = "test1"
req.datastores = ["ds3", "ds4"]
req.networks = ["Public"]
req.stats_store_address = "10.0.0.100"
req.memory_overcommit = 1.5
req.image_datastores = set([ImageDatastore("ds3", True)])
addr = ServerAddress(host="localhost", port=2345)
req.chairman_server = [ServerAddress("h1", 13000),
ServerAddress("h2", 13000)]
req.address = addr
req.host_id = "host1"
req.deployment_id = "deployment1"
self.agent.update_config(req)
assert_that(self.agent.availability_zone, equal_to("test1"))
assert_that(self.agent.stats_store_address, equal_to("10.0.0.100"))
assert_that(self.agent.hostname, equal_to("localhost"))
assert_that(self.agent.host_port, equal_to(2345))
assert_that(self.agent.datastores, equal_to(["ds3", "ds4"]))
assert_that(self.agent.networks, equal_to(["Public"]))
assert_that(self.agent.chairman_list,
equal_to([ServerAddress("h1", 13000),
ServerAddress("h2", 13000)]))
assert_that(self.agent.memory_overcommit,
equal_to(1.5))
assert_that(self.agent.image_datastores, equal_to(expected_image_ds))
assert_that(self.agent.host_id, equal_to("host1"))
assert_that(self.agent.deployment_id, equal_to("deployment1"))
self.assertTrue(self.agent.bootstrap_ready)
self.assertTrue(self.agent.reboot_required)
# Verify we are able to unset all the configuration.
req = ProvisionRequest()
self.agent.update_config(req)
assert_that(self.agent.availability_zone, equal_to(None))
assert_that(self.agent.hostname, equal_to(None))
assert_that(self.agent.host_port, equal_to(8835))
assert_that(self.agent.datastores, equal_to([]))
assert_that(self.agent.networks, equal_to([]))
assert_that(self.agent.chairman_list, equal_to([]))
# Unsetting memory overcommit should set it to the default value.
self.assertEqual(self.agent.memory_overcommit, 1.0)
self.assertFalse(self.agent.bootstrap_ready)
assert_that(self.agent.image_datastores, equal_to(expected_image_ds))
assert_that(self.agent.host_id, equal_to(None))
# Test an invalid update and verify the update doesn't have any side
# effects.
req = ProvisionRequest()
req.availability_zone = "test1"
req.datastores = ["ds3", "ds4"]
req.networks = ["Public"]
req.memory_overcommit = 0.5
addr = ServerAddress(host="localhost", port=2345)
req.chairman_server = [ServerAddress("h1", 13000),
ServerAddress("h2", 13000)]
req.address = addr
# Verify an exception is raised.
self.assertRaises(InvalidConfig, self.agent.update_config, req)
assert_that(self.agent.availability_zone, equal_to(None))
assert_that(self.agent.hostname, equal_to(None))
assert_that(self.agent.host_port, equal_to(8835))
assert_that(self.agent.datastores, equal_to([]))
assert_that(self.agent.networks, equal_to([]))
assert_that(self.agent.chairman_list, equal_to([]))
self.assertFalse(self.agent.bootstrap_ready)
self.assertEqual(self.agent.memory_overcommit, 1.0)
