| /** |
| * 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.sqoop.tools.tool; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.CommandLineParser; |
| import org.apache.commons.cli.GnuParser; |
| import org.apache.commons.cli.OptionBuilder; |
| import org.apache.commons.cli.Options; |
| import org.apache.commons.cli.ParseException; |
| import org.apache.commons.io.Charsets; |
| import org.apache.log4j.Logger; |
| import org.apache.sqoop.common.Direction; |
| import org.apache.sqoop.common.VersionInfo; |
| import org.apache.sqoop.connector.ConnectorManager; |
| import org.apache.sqoop.connector.spi.RepositoryUpgrader; |
| import org.apache.sqoop.connector.spi.SqoopConnector; |
| import org.apache.sqoop.driver.Driver; |
| import org.apache.sqoop.json.JobBean; |
| import org.apache.sqoop.json.LinkBean; |
| import org.apache.sqoop.json.SubmissionBean; |
| import org.apache.sqoop.model.ConfigUtils; |
| import org.apache.sqoop.model.MConfig; |
| import org.apache.sqoop.model.MConnector; |
| import org.apache.sqoop.model.MDriver; |
| import org.apache.sqoop.model.MDriverConfig; |
| import org.apache.sqoop.model.MFromConfig; |
| import org.apache.sqoop.model.MJob; |
| import org.apache.sqoop.model.MLink; |
| import org.apache.sqoop.model.MLinkConfig; |
| import org.apache.sqoop.model.MPersistableEntity; |
| import org.apache.sqoop.model.MSubmission; |
| import org.apache.sqoop.model.MToConfig; |
| import org.apache.sqoop.repository.Repository; |
| import org.apache.sqoop.repository.RepositoryManager; |
| import org.apache.sqoop.tools.ConfiguredTool; |
| |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.apache.sqoop.utils.ClassUtils; |
| import org.apache.sqoop.validation.ConfigValidationResult; |
| import org.apache.sqoop.validation.ConfigValidationRunner; |
| import org.apache.sqoop.validation.Status; |
| import org.json.simple.JSONArray; |
| import org.json.simple.JSONObject; |
| import org.json.simple.JSONValue; |
| |
| /** |
| * Load user-created content of Sqoop repository from a JSON formatted file |
| * The loaded connector IDs will be modified to match existing connectors |
| */ |
| public class RepositoryLoadTool extends ConfiguredTool { |
| |
| public static final Logger LOG = Logger.getLogger(RepositoryLoadTool.class); |
| |
| |
| |
| @Override |
| public boolean runToolWithConfiguration(String[] arguments) { |
| |
| |
| Options options = new Options(); |
| options.addOption(OptionBuilder.isRequired() |
| .hasArg() |
| .withArgName("filename") |
| .withLongOpt("input") |
| .create('i')); |
| |
| CommandLineParser parser = new GnuParser(); |
| |
| try { |
| CommandLine line = parser.parse(options, arguments); |
| String inputFileName = line.getOptionValue('i'); |
| |
| LOG.info("Reading JSON from file" + inputFileName); |
| InputStream input = new FileInputStream(inputFileName); |
| String jsonTxt = IOUtils.toString(input, Charsets.UTF_8); |
| JSONObject json = |
| (JSONObject) JSONValue.parse(jsonTxt); |
| boolean res = load(json); |
| input.close(); |
| return res; |
| |
| } catch (FileNotFoundException e) { |
| LOG.error("Repository dump file not found:", e); |
| System.out.println("Input file not found. Please check Server logs for details."); |
| return false; |
| } catch (IOException e) { |
| LOG.error("Unable to read repository dump file:", e); |
| System.out.println("Unable to read input file. Please check Server logs for details."); |
| return false; |
| } catch (ParseException e) { |
| LOG.error("Error parsing command line arguments:", e); |
| System.out.println("Error parsing command line arguments. Please check Server logs for details."); |
| return false; |
| } |
| } |
| |
| |
| private boolean load(JSONObject repo) { |
| |
| // Validate that loading JSON into repository is supported |
| JSONObject metadata = (JSONObject) repo.get(JSONConstants.METADATA); |
| |
| if (metadata == null) { |
| LOG.error("Malformed JSON. Key "+ JSONConstants.METADATA + " not found."); |
| return false; |
| } |
| |
| if (!validateMetadata(metadata)){ |
| LOG.error("Metadata of repository dump file failed validation (see error above for cause). Aborting repository load."); |
| return false; |
| } |
| |
| // initialize repository as mutable |
| RepositoryManager.getInstance().initialize(false); |
| Repository repository = RepositoryManager.getInstance().getRepository(); |
| |
| ConnectorManager.getInstance().initialize(); |
| ConnectorManager connectorManager = ConnectorManager.getInstance(); |
| |
| LOG.info("Loading Connections"); |
| |
| JSONObject jsonConns = (JSONObject) repo.get(JSONConstants.LINKS); |
| |
| if (jsonConns == null) { |
| LOG.error("Malformed JSON file. Key "+ JSONConstants.LINKS + " not found."); |
| return false; |
| } |
| |
| LinkBean linkBean = new LinkBean(); |
| linkBean.restore(updateConnectorIDUsingName(jsonConns)); |
| |
| HashMap<Long,Long> connectionIds = new HashMap<Long, Long>(); |
| |
| for (MLink link : linkBean.getLinks()) { |
| long oldId = link.getPersistenceId(); |
| long newId = loadLink(link); |
| if (newId == link.PERSISTANCE_ID_DEFAULT) { |
| LOG.error("loading connection " + link.getName() + " with previous ID " + oldId + " failed. Aborting repository load. Check log for details."); |
| return false; |
| } |
| connectionIds.put(oldId,newId); |
| } |
| LOG.info("Loaded " + connectionIds.size() + " connections"); |
| |
| LOG.info("Loading Jobs"); |
| JSONObject jsonJobs = (JSONObject) repo.get(JSONConstants.JOBS); |
| |
| if (jsonJobs == null) { |
| LOG.error("Malformed JSON file. Key "+ JSONConstants.JOBS + " not found."); |
| return false; |
| } |
| |
| JobBean jobBean = new JobBean(); |
| jobBean.restore(updateIdUsingMap(updateConnectorIDUsingName(jsonJobs), connectionIds,JSONConstants.LINK_ID)); |
| |
| HashMap<Long,Long> jobIds = new HashMap<Long, Long>(); |
| for (MJob job: jobBean.getJobs()) { |
| long oldId = job.getPersistenceId(); |
| long newId = loadJob(job); |
| |
| if (newId == job.PERSISTANCE_ID_DEFAULT) { |
| LOG.error("loading job " + job.getName() + " failed. Aborting repository load. Check log for details."); |
| return false; |
| } |
| jobIds.put(oldId,newId); |
| |
| } |
| LOG.info("Loaded " + jobIds.size() + " jobs"); |
| |
| LOG.info("Loading Submissions"); |
| JSONObject jsonSubmissions = (JSONObject) repo.get(JSONConstants.SUBMISSIONS); |
| |
| if (jsonSubmissions == null) { |
| LOG.error("Malformed JSON file. Key "+ JSONConstants.SUBMISSIONS + " not found."); |
| return false; |
| } |
| |
| SubmissionBean submissionBean = new SubmissionBean(); |
| submissionBean.restore(updateIdUsingMap(jsonSubmissions,jobIds,JSONConstants.JOB_ID)); |
| int submissionCount = 0; |
| for (MSubmission submission: submissionBean.getSubmissions()) { |
| resetPersistenceId(submission); |
| repository.createSubmission(submission); |
| submissionCount++; |
| } |
| LOG.info("Loaded " + submissionCount + " submissions."); |
| LOG.info("Repository load completed successfully."); |
| return true; |
| } |
| |
| private void resetPersistenceId(MPersistableEntity ent) { |
| ent.setPersistenceId(ent.PERSISTANCE_ID_DEFAULT); |
| } |
| |
| |
| |
| /** |
| * Even though the metadata contains version, revision, compile-date and compile-user |
| * We are only validating that version match for now. |
| * More interesting logic can be added later |
| */ |
| private boolean validateMetadata(JSONObject metadata) { |
| String jsonVersion = (String) metadata.get(JSONConstants.VERSION); |
| Boolean includeSensitive = (Boolean) metadata.get(JSONConstants.INCLUDE_SENSITIVE); |
| String repoVersion = VersionInfo.getVersion(); |
| |
| if (!jsonVersion.equals(repoVersion)) { |
| LOG.error("Repository version in file (" + jsonVersion + ") does not match this version of Sqoop (" + repoVersion + ")"); |
| return false; |
| } |
| |
| if (!includeSensitive) { |
| LOG.warn("Loading repository which was dumped without --include-sensitive=true. " + |
| "This means some sensitive information such as passwords is not included in the dump file and will need to be manually added later."); |
| } |
| |
| return true; |
| } |
| |
| private long loadLink(MLink link) { |
| |
| //starting by pretending we have a brand new connection |
| resetPersistenceId(link); |
| |
| RepositoryUpgrader upgrader = Driver.getInstance().getDriverConfigRepositoryUpgrader(); |
| Repository repository = RepositoryManager.getInstance().getRepository(); |
| |
| MConnector mConnector = ConnectorManager.getInstance().getConnectorConfig(link.getConnectorId()); |
| List<MConfig> connectorConfigs = mConnector.getLinkConfig().clone(false).getConfigs(); |
| MLinkConfig newLinkConfigs = new MLinkConfig(connectorConfigs); |
| |
| // upgrading the forms to make sure they match the current repository |
| upgrader.upgrade(link.getConnectorLinkConfig(), newLinkConfigs); |
| MLink newLink = new MLink(link, newLinkConfigs); |
| |
| // Transform config structures to objects for validations |
| SqoopConnector connector = |
| ConnectorManager.getInstance().getConnector(link.getConnectorId()); |
| |
| Object connectorConfig = ClassUtils.instantiate( |
| connector.getLinkConfigurationClass()); |
| |
| ConfigUtils.fromConfigs( |
| link.getConnectorLinkConfig().getConfigs(), connectorConfig); |
| |
| ConfigValidationRunner validationRunner = new ConfigValidationRunner(); |
| ConfigValidationResult result = validationRunner.validate(connectorConfig); |
| |
| Status finalStatus = Status.getWorstStatus(result.getStatus()); |
| |
| if (finalStatus.canProceed()) { |
| repository.createLink(newLink); |
| |
| } else { |
| LOG.error("Failed to load link:" + link.getName()); |
| LOG.error("Status of connector configs:" + result.getStatus().toString()); |
| } |
| return newLink.getPersistenceId(); |
| } |
| |
| private long loadJob(MJob job) { |
| //starting by pretending we have a brand new job |
| resetPersistenceId(job); |
| |
| RepositoryUpgrader upgrader = Driver.getInstance().getDriverConfigRepositoryUpgrader(); |
| MDriver driver = Driver.getInstance().getDriver(); |
| Repository repository = RepositoryManager.getInstance().getRepository(); |
| |
| MDriverConfig driverConfigs = driver.getDriverConfig(); |
| MFromConfig fromConfigs = job.getFromJobConfig(); |
| MToConfig toConfigs = job.getToJobConfig(); |
| |
| // upgrading the configs to make sure they match the current repository |
| upgrader.upgrade(job.getDriverConfig(), driverConfigs); |
| upgrader.upgrade(job.getFromJobConfig(), fromConfigs); |
| upgrader.upgrade(job.getToJobConfig(), toConfigs); |
| MJob newJob = new MJob(job, fromConfigs, toConfigs, driverConfigs); |
| |
| // Transform config structures to objects for validations |
| SqoopConnector fromConnector = |
| ConnectorManager.getInstance().getConnector( |
| job.getConnectorId(Direction.FROM)); |
| SqoopConnector toConnector = |
| ConnectorManager.getInstance().getConnector( |
| job.getConnectorId(Direction.TO)); |
| |
| Object fromConnectorConfig = ClassUtils.instantiate( |
| fromConnector.getJobConfigurationClass(Direction.FROM)); |
| Object toConnectorConfig = ClassUtils.instantiate( |
| toConnector.getJobConfigurationClass(Direction.TO)); |
| Object driverConfig = ClassUtils.instantiate( |
| Driver.getInstance().getDriverConfigurationGroupClass()); |
| |
| ConfigUtils.fromConfigs( |
| job.getFromJobConfig().getConfigs(), fromConnectorConfig); |
| ConfigUtils.fromConfigs( |
| job.getToJobConfig().getConfigs(), toConnectorConfig); |
| ConfigUtils.fromConfigs( |
| job.getDriverConfig().getConfigs(), driverConfig); |
| |
| ConfigValidationRunner validationRunner = new ConfigValidationRunner(); |
| ConfigValidationResult fromConnectorConfigResult = validationRunner.validate(fromConnectorConfig); |
| ConfigValidationResult toConnectorConfigResult = validationRunner.validate(toConnectorConfig); |
| ConfigValidationResult driverConfigResult = validationRunner.validate(driverConfig); |
| |
| Status finalStatus = Status.getWorstStatus(fromConnectorConfigResult.getStatus(), |
| toConnectorConfigResult.getStatus(), driverConfigResult.getStatus()); |
| |
| if (finalStatus.canProceed()) { |
| repository.createJob(newJob); |
| |
| } else { |
| LOG.error("Failed to load job:" + job.getName()); |
| LOG.error("Status of from connector configs:" + fromConnectorConfigResult.getStatus().toString()); |
| LOG.error("Status of to connector configs:" + toConnectorConfigResult.getStatus().toString()); |
| LOG.error("Status of driver configs:" + driverConfigResult.getStatus().toString()); |
| |
| } |
| return newJob.getPersistenceId(); |
| |
| |
| } |
| |
| private JSONObject updateConnectorIDUsingName( JSONObject json) { |
| JSONArray array = (JSONArray) json.get(JSONConstants.ALL); |
| |
| Repository repository = RepositoryManager.getInstance().getRepository(); |
| |
| List<MConnector> connectors = repository.findConnectors(); |
| Map<String, Long> connectorMap = new HashMap<String, Long>(); |
| |
| for (MConnector connector : connectors) { |
| connectorMap.put(connector.getUniqueName(), connector.getPersistenceId()); |
| } |
| |
| for (Object obj : array) { |
| JSONObject object = (JSONObject) obj; |
| long connectorId = (Long) object.get(JSONConstants.CONNECTOR_ID); |
| String connectorName = (String) object.get(JSONConstants.CONNECTOR_NAME); |
| long currentConnectorId = connectorMap.get(connectorName); |
| String connectionName = (String) object.get(JSONConstants.NAME); |
| |
| |
| // If a given connector now has a different ID, we need to update the ID |
| if (connectorId != currentConnectorId) { |
| LOG.warn("Connection " + connectionName + " uses connector " + connectorName + ". " + |
| "Replacing previous ID " + connectorId + " with new ID " + currentConnectorId); |
| |
| object.put(JSONConstants.CONNECTOR_ID, currentConnectorId); |
| } |
| } |
| return json; |
| } |
| |
| private JSONObject updateIdUsingMap(JSONObject json, HashMap<Long,Long> idMap, String fieldName) { |
| JSONArray array = (JSONArray) json.get(JSONConstants.ALL); |
| |
| for (Object obj : array) { |
| JSONObject object = (JSONObject) obj; |
| |
| object.put(fieldName, idMap.get(object.get(fieldName))); |
| } |
| |
| return json; |
| } |
| |
| |
| |
| } |