| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.cassandra.db.guardrails; |
| |
| import org.junit.Test; |
| |
| import org.apache.cassandra.config.Config; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.config.GuardrailsOptions; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.service.ClientState; |
| import org.assertj.core.api.Assertions; |
| |
| import static java.lang.String.format; |
| |
| public class GuardrailsConfigProviderTest extends GuardrailTester |
| { |
| @Test |
| public void testBuildCustom() throws Throwable |
| { |
| String name = getClass().getCanonicalName() + '$' + CustomProvider.class.getSimpleName(); |
| GuardrailsConfigProvider provider = GuardrailsConfigProvider.build(name); |
| MaxThreshold guard = new MaxThreshold("test_guardrail", |
| state -> provider.getOrCreate(state).getTablesWarnThreshold(), |
| state -> provider.getOrCreate(state).getTablesFailThreshold(), |
| (isWarn, what, v, t) -> format("%s: for %s, %s > %s", |
| isWarn ? "Warning" : "Aborting", what, v, t)); |
| |
| assertValid(() -> guard.guard(5, "Z", false, userClientState)); |
| assertWarns(() -> guard.guard(25, "A", false, userClientState), "Warning: for A, 25 > 10"); |
| assertWarns(() -> guard.guard(100, "B", false, userClientState), "Warning: for B, 100 > 10"); |
| assertFails(() -> guard.guard(101, "X", false, userClientState), "Aborting: for X, 101 > 100"); |
| assertFails(() -> guard.guard(200, "Y", false, userClientState), "Aborting: for Y, 200 > 100"); |
| assertValid(() -> guard.guard(5, "Z", false, userClientState)); |
| |
| assertValid(() -> guard.guard(5, "Z", true, userClientState)); |
| assertWarns(() -> guard.guard(25, "A", true, userClientState), "Warning: for A, 25 > 10", "Warning: for <redacted>, 25 > 10"); |
| assertWarns(() -> guard.guard(100, "B", true, userClientState), "Warning: for B, 100 > 10", "Warning: for <redacted>, 100 > 10"); |
| assertFails(() -> guard.guard(101, "X", true, userClientState), "Aborting: for X, 101 > 100", "Aborting: for <redacted>, 101 > 100"); |
| assertFails(() -> guard.guard(200, "Y", true, userClientState), "Aborting: for Y, 200 > 100", "Aborting: for <redacted>, 200 > 100"); |
| assertValid(() -> guard.guard(5, "Z", true, userClientState)); |
| |
| Assertions.assertThatThrownBy(() -> GuardrailsConfigProvider.build("unexistent_class")) |
| .isInstanceOf(ConfigurationException.class) |
| .hasMessageContaining("Unable to find custom guardrails config provider class 'unexistent_class'"); |
| } |
| |
| /** |
| * Custom {@link GuardrailsConfigProvider} implementation that simply duplicates the threshold values. |
| */ |
| public static class CustomProvider extends GuardrailsConfigProvider.Default |
| { |
| public GuardrailsConfig getOrCreate(ClientState state) |
| { |
| return new CustomConfig(DatabaseDescriptor.getRawConfig()); |
| } |
| } |
| |
| public static class CustomConfig extends GuardrailsOptions |
| { |
| public CustomConfig(Config config) |
| { |
| super(config); |
| } |
| |
| @Override |
| public int getTablesWarnThreshold() |
| { |
| return 10; |
| } |
| |
| @Override |
| public int getTablesFailThreshold() |
| { |
| return 100; |
| } |
| } |
| } |