| /* |
| * 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.ambari.server.stack; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import javax.annotation.Nullable; |
| |
| import org.apache.ambari.annotations.Experimental; |
| import org.apache.ambari.annotations.ExperimentalFeature; |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.state.stack.RepositoryXml; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * Encapsulates IO operations on a stack service directory. |
| */ |
| public class StackServiceDirectory extends ServiceDirectory { |
| |
| /** |
| * logger instance |
| */ |
| private static final Logger LOG = LoggerFactory.getLogger(StackServiceDirectory.class); |
| |
| |
| /** |
| * repository file |
| */ |
| @Nullable |
| private RepositoryXml repoFile; |
| |
| /** |
| * repository directory |
| */ |
| @Nullable |
| @Experimental(feature = ExperimentalFeature.CUSTOM_SERVICE_REPOS, |
| comment = "Remove logic for handling custom service repos after enabling multi-mpack cluster deployment") |
| private String repoDir; |
| |
| /** |
| * Constructor. |
| * |
| * @param servicePath path of the service directory |
| * @throws org.apache.ambari.server.AmbariException if unable to parse the service directory |
| */ |
| public StackServiceDirectory(String servicePath) throws AmbariException { |
| super(servicePath); |
| } |
| |
| /** |
| * Obtain the repository xml file if exists or null |
| * |
| * @return the repository xml file if exists or null |
| */ |
| @Nullable |
| @Experimental(feature = ExperimentalFeature.CUSTOM_SERVICE_REPOS, |
| comment = "Remove logic for handling custom service repos after enabling multi-mpack cluster deployment") |
| public RepositoryXml getRepoFile() { |
| return repoFile; |
| } |
| |
| /** |
| * Obtain the repository directory if exists or null |
| * |
| * @return the repository directory if exists or null |
| */ |
| @Nullable |
| @Experimental(feature = ExperimentalFeature.CUSTOM_SERVICE_REPOS, |
| comment = "Remove logic for handling custom service repos after enabling multi-mpack cluster deployment") |
| public String getRepoDir() { |
| return repoDir; |
| } |
| |
| /** |
| * Obtain the advisor name. |
| * |
| * @return advisor name |
| */ |
| @Override |
| public String getAdvisorName(String serviceName) { |
| if (getAdvisorFile() == null || serviceName == null) |
| return null; |
| |
| File serviceDir = new File(getAbsolutePath()); |
| File stackVersionDir = serviceDir.getParentFile().getParentFile(); |
| File stackDir = stackVersionDir.getParentFile(); |
| |
| String stackName = stackDir.getName(); |
| String versionString = stackVersionDir.getName().replaceAll("\\.", ""); |
| |
| // Remove illegal python characters from the advisor name |
| String advisorClassName = stackName + versionString + serviceName + "ServiceAdvisor"; |
| advisorClassName = advisorClassName.replaceAll("[^a-zA-Z0-9]+", ""); |
| |
| return advisorClassName; |
| } |
| |
| /** |
| * Parse the repository file. |
| * |
| * @param subDirs service directory sub directories |
| */ |
| private void parseRepoFile(Collection<String> subDirs) { |
| RepositoryFolderAndXml repoDirAndXml = RepoUtil.parseRepoFile(directory, subDirs, unmarshaller); |
| repoDir = repoDirAndXml.repoDir.orNull(); |
| repoFile = repoDirAndXml.repoXml.orNull(); |
| |
| if (repoFile == null || !repoFile.isValid()) { |
| LOG.info("No repository information defined for " |
| + ", serviceName=" + getName() |
| + ", repoFolder=" + getPath() + File.separator + RepoUtil.REPOSITORY_FOLDER_NAME); |
| } |
| } |
| |
| @Override |
| protected void parsePath() throws AmbariException { |
| super.parsePath(); |
| Collection<String> subDirs = Arrays.asList(directory.list()); |
| parseRepoFile(subDirs); |
| } |
| |
| /** |
| * @return the resources directory |
| */ |
| @Override |
| protected File getResourcesDirectory() { |
| File serviceDir = new File(getAbsolutePath()); |
| return serviceDir.getParentFile().getParentFile().getParentFile().getParentFile().getParentFile(); |
| } |
| |
| /** |
| * @return the service name (will be used for logging purposes by superclass) |
| */ |
| @Override |
| public String getService() { |
| File serviceDir = new File(getAbsolutePath()); |
| |
| return serviceDir.getName(); |
| } |
| |
| /** |
| * @return the stack name-version (will be used for logging purposes by superclass) |
| */ |
| @Override |
| public String getStack() { |
| File serviceDir = new File(getAbsolutePath()); |
| File stackVersionDir = serviceDir.getParentFile().getParentFile(); |
| File stackDir = stackVersionDir.getParentFile(); |
| |
| String stackId = String.format("%s-%s", stackDir.getName(), stackVersionDir.getName()); |
| return stackId; |
| } |
| |
| } |