def test_run_returns_False_and_does_not_save_the_instance_in_the_database_if_it_fails_to_boot(self):
instance = Instance(name="far_cry")
client = Client()
client._ec2_conn = mocks.FailingEC2Conn()
ran = client.run(instance)
self.assertFalse(ran)
self.assertIsNone(instance.ec2_id)
def test_get_instance_should_set_instance_state_and_ip_when_its_ready_and_return_True_if_its_ok(self):
instance = Instance(name="good_news_first", ec2_id="i-00000302")
client = Client()
client._ec2_conn = mocks.FakeEC2Conn(times_to_fail=0)
changed = client.get(instance)
self.assertTrue(changed)
self.assertEqual("running", instance.state)
self.assertEqual("10.10.10.10", instance.host)
def test_run_creates_instance_with_data_from_settings_without_saving_it_in_the_database(self):
instance = Instance(name="professor_xavier")
client = Client()
client._ec2_conn = mocks.FakeEC2Conn()
ran = client.run(instance)
self.assertTrue(ran)
self.assertEqual("i-00000302", instance.ec2_id)
self.assertFalse(instance.saved)
def test_unauthorize_should_return_False_when_ec2_conn_raises_exception(self):
def fail_to_authorize(*args, **kwargs):
raise EC2ResponseError(status=500, reason="I've failed, my friend")
instance = Instance(name="semblance_of_liberty", ec2_id="i-022")
client = Client()
client._ec2_conn = mocks.FakeEC2Conn()
client._ec2_conn.revoke_security_group = fail_to_authorize
self.assertFalse(client.unauthorize(instance))
def test_terminate_returns_false_when_cannot_remove_ec2_instance(self):
instance = Instance(name="professor_xavier")
client = Client()
client._ec2_conn = mocks.FakeEC2Conn()
ran = client.run(instance)
self.assertTrue(ran)
client._ec2_conn = mocks.FailingEC2Conn()
ran = client.terminate(instance)
self.assertFalse(ran)
def test_terminate_removes_ec2_instance(self):
instance = Instance(name="professor_xavier")
client = Client()
client._ec2_conn = mocks.FakeEC2Conn()
ran = client.run(instance)
self.assertTrue(ran)
ran = client.terminate(instance)
self.assertEqual(["i-00000302"], client._ec2_conn.terminated)
self.assertTrue(ran)
def test_run_loggs_the_exception_if_it_fails_to_start_the_machine(self):
err = self.mocker.replace("logging.error")
err("500 - Failed")
self.mocker.result(None)
self.mocker.replay()
instance = Instance(name="far_cry")
client = Client()
client._ec2_conn = mocks.FailingEC2Conn()
client.run(instance)
self.mocker.verify()
def test_get_instance_should_log_instance_not_running_yet_with_notice(self):
instance = Instance(name="good_news_first", ec2_id="i-00000302")
info = self.mocker.replace("logging.info")
info("Instance i-00000302 not updated. State: running, IP: 172.16.52.10.")
self.mocker.result(None)
self.mocker.replay()
client = Client()
client._ec2_conn = mocks.FakeEC2Conn(times_to_fail=1)
client.get(instance)
self.mocker.verify()
def test_terminate_loggs_the_exception_if_it_fails_to_terminate_the_machine(self):
instance = Instance(name="daniel_gildenlow")
err = self.mocker.replace("logging.error")
err("Failed to terminate the machine.")
self.mocker.result(None)
self.mocker.replay()
client = Client()
client._ec2_conn = mocks.FailingEC2Conn()
client.terminate(instance)
self.mocker.verify()
def test_get_instance_should_log_instance_not_found_if_instance_is_not_found(self):
instance = Instance(name="good_news_first", ec2_id="i-00000302")
err = self.mocker.replace("logging.error")
err("Instance %s not found." % instance.ec2_id)
self.mocker.result(None)
self.mocker.replay()
client = Client()
client._ec2_conn = mocks.FailingEC2Conn()
changed = client.get(instance)
self.assertFalse(changed)
self.mocker.verify()
def test_unauthorize_should_log_failure_when_ec2_conn_raises_exception(self):
def fail_to_authorize(*args, **kwargs):
raise EC2ResponseError(status=500, reason="I've failed, my friend")
err = self.mocker.replace("logging.error")
err("500 - I've failed, my friend")
self.mocker.result(None)
self.mocker.replay()
instance = Instance(name="semblance_of_liberty", ec2_id="i-022")
client = Client()
client._ec2_conn = mocks.FakeEC2Conn()
client._ec2_conn.revoke_security_group = fail_to_authorize
client.unauthorize(instance)
self.mocker.verify()
def test_authorize_should_use_ec2_conn_to_authorize_access_to_the_instance(self):
fake = mocks.FakeEC2Conn()
instance = Instance(name="tides_of_time", ec2_id="i-021")
client = Client()
client._ec2_conn = fake
authorized = client.authorize(instance)
self.assertTrue(authorized)
authorization_string = "cidr_ip=%s/32 from_port=%s group_name=default ip_protocol=tcp to_port=%s" % (
instance.host,
instance.port,
instance.port,
)
self.assertIn(authorization_string, fake.authorizations)
def test_get_instance_should_log_instance_not_found_with_exception_in_case_of_any_exception(self):
def fail_to_get(*args, **kwargs):
raise EC2ResponseError(status=400, reason="What???")
instance = Instance(name="good_news_first", ec2_id="i-00000302")
err = self.mocker.replace("logging.error")
err("Error getting instance i-00000302: 400 - What???")
self.mocker.result(None)
self.mocker.replay()
client = Client()
client._ec2_conn = mocks.FailingEC2Conn()
client._ec2_conn.get_all_instances = fail_to_get
changed = client.get(instance)
self.assertFalse(changed)
self.mocker.verify()
def test_unauthorize_should_return_False_when_revoking_fail_at_ec2_conn(self):
instance = Instance()
client = Client()
client._ec2_conn = mocks.FailingEC2Conn()
self.assertFalse(client.unauthorize(instance))
def test_authorize_should_return_False_if_it_fails_to_authorize(self):
instance = Instance(name="semblance_of_liberty", ec2_id="i-022")
client = Client()
client._ec2_conn = mocks.FailingEC2Conn()
authorized = client.authorize(instance)
self.assertFalse(authorized)
def test_get_instance_should_return_false_if_instance_is_not_running_or_does_not_have_public_ip_yet(self):
instance = Instance(name="good_news_first", ec2_id="i-00000302")
client = Client()
client._ec2_conn = mocks.FakeEC2Conn(times_to_fail=1)
changed = client.get(instance)
self.assertFalse(changed)