| /* |
| * 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.skywalking.oap.server.core.config; |
| |
| import lombok.RequiredArgsConstructor; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.skywalking.oap.server.core.config.group.EndpointNameGrouping; |
| import org.apache.skywalking.oap.server.library.module.Service; |
| import org.apache.skywalking.oap.server.library.util.StringUtil; |
| |
| /** |
| * NamingControl provides the service to make the names of service, instance and endpoint following the rules or |
| * patterns, including length control, grouping, etc. |
| */ |
| @RequiredArgsConstructor |
| @Slf4j |
| public class NamingControl implements Service { |
| private final int serviceNameMaxLength; |
| private final int instanceNameMaxLength; |
| private final int endpointNameMaxLength; |
| private final EndpointNameGrouping endpointNameGrouping; |
| |
| /** |
| * Format endpoint name by using the length config in the core module. This is a global rule, every place including |
| * service as the {@link org.apache.skywalking.oap.server.core.source.Source} should follow this for any core module |
| * implementation. |
| * |
| * @param serviceName raw data, literal string. |
| * @return the string, which length less than or equals {@link #serviceNameMaxLength}; |
| */ |
| public String formatServiceName(String serviceName) { |
| if (serviceName != null && serviceName.length() > serviceNameMaxLength) { |
| final String rename = serviceName.substring(0, serviceNameMaxLength); |
| if (log.isDebugEnabled()) { |
| log.debug( |
| "Service {} has been renamed to {} due to length limitation {}", |
| serviceName, |
| rename, |
| serviceNameMaxLength |
| ); |
| } |
| return rename; |
| } else { |
| return serviceName; |
| } |
| } |
| |
| /** |
| * Format endpoint name by using the length config in the core module. This is a global rule, every place including |
| * instance as the {@link org.apache.skywalking.oap.server.core.source.Source} should follow this for any core |
| * module implementation. |
| * |
| * @param instanceName raw data, literal string. |
| * @return the string, which length less than or equals {@link #instanceNameMaxLength}; |
| */ |
| public String formatInstanceName(String instanceName) { |
| if (instanceName != null && instanceName.length() > instanceNameMaxLength) { |
| final String rename = instanceName.substring(0, instanceNameMaxLength); |
| if (log.isDebugEnabled()) { |
| log.debug( |
| "Service instance {} has been renamed to {} due to length limitation {}", |
| instanceName, |
| rename, |
| serviceNameMaxLength |
| ); |
| } |
| return rename; |
| } else { |
| return instanceName; |
| } |
| } |
| |
| /** |
| * Format endpoint name by using the length config in the core module. This is a global rule, every {@link |
| * org.apache.skywalking.oap.server.core.source.Source} including endpoint should follow this for any core module |
| * implementation. |
| * |
| * @param serviceName the service of the given endpoint. |
| * @param endpointName raw data, literal string. |
| * @return the string, which length less than or equals {@link #endpointNameMaxLength}; |
| */ |
| public String formatEndpointName(String serviceName, String endpointName) { |
| if (StringUtil.isEmpty(serviceName) || endpointName == null) { |
| return endpointName; |
| } |
| |
| String lengthControlledName = endpointName; |
| if (endpointName.length() > endpointNameMaxLength) { |
| lengthControlledName = endpointName.substring(0, endpointNameMaxLength); |
| if (log.isDebugEnabled()) { |
| log.debug( |
| "Endpoint {} has been renamed to {} due to length limitation {}", |
| endpointName, |
| lengthControlledName, |
| serviceNameMaxLength |
| ); |
| } |
| |
| } |
| return endpointNameGrouping.format(serviceName, lengthControlledName)._1(); |
| } |
| } |