| /* |
| * 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.ranger.biz; |
| |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.ListIterator; |
| import java.util.Map; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import com.google.gson.reflect.TypeToken; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.ranger.authorization.utils.StringUtil; |
| import org.apache.ranger.db.RangerDaoManager; |
| import org.apache.ranger.entity.*; |
| import org.apache.ranger.plugin.model.*; |
| import org.apache.ranger.plugin.util.RangerPerfTracer; |
| import org.apache.ranger.service.RangerServiceResourceService; |
| import org.springframework.transaction.PlatformTransactionManager; |
| import org.springframework.transaction.TransactionStatus; |
| import org.springframework.transaction.support.TransactionCallback; |
| import org.springframework.transaction.support.TransactionTemplate; |
| |
| public class RangerTagDBRetriever { |
| private static final Log LOG = LogFactory.getLog(RangerTagDBRetriever.class); |
| private static final Log PERF_LOG = RangerPerfTracer.getPerfLogger("db.RangerTagDBRetriever"); |
| |
| public static final Type subsumedDataType = new TypeToken<List<RangerTagDef.RangerTagAttributeDef>>() {}.getType(); |
| |
| public static final Gson gsonBuilder = new GsonBuilder().setDateFormat("yyyyMMdd-HH:mm:ss.SSS-Z") |
| .create(); |
| |
| private final RangerDaoManager daoMgr; |
| private final LookupCache lookupCache; |
| |
| private List<RangerServiceResource> serviceResources; |
| private Map<Long, RangerTagDef> tagDefs; |
| |
| RangerTagDBRetriever(final RangerDaoManager daoMgr, final PlatformTransactionManager txManager, final XXService xService) { |
| |
| this.daoMgr = daoMgr; |
| |
| final TransactionTemplate txTemplate; |
| |
| if (txManager != null) { |
| txTemplate = new TransactionTemplate(txManager); |
| txTemplate.setReadOnly(true); |
| } else { |
| txTemplate = null; |
| } |
| this.lookupCache = new LookupCache(); |
| |
| |
| if (this.daoMgr != null && xService != null) { |
| |
| RangerPerfTracer perf = null; |
| |
| if (RangerPerfTracer.isPerfTraceEnabled(PERF_LOG)) { |
| perf = RangerPerfTracer.getPerfTracer(PERF_LOG, "RangerTagDBRetriever.RangerTagDBRetriever(serviceName=" + xService.getName() + ")"); |
| } |
| |
| if (txTemplate == null) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Load Tags in the same thread and using an existing transaction"); |
| } |
| if (!initializeTagCache(xService)) { |
| LOG.error("Failed to get tags for service:[" + xService.getName() + "] in the same thread and using an existing transaction"); |
| } |
| } else { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Load Tags in a separate thread and using a new transaction"); |
| } |
| |
| TagLoaderThread t = new TagLoaderThread(txTemplate, xService); |
| t.setDaemon(true); |
| t.start(); |
| try { |
| t.join(); |
| } catch (InterruptedException ie) { |
| LOG.error("Failed to get Tags in a separate thread and using a new transaction", ie); |
| } |
| } |
| |
| RangerPerfTracer.log(perf); |
| |
| } |
| } |
| |
| List<RangerServiceResource> getServiceResources() { |
| return serviceResources; |
| } |
| |
| Map<Long, RangerTagDef> getTagDefs() { |
| return tagDefs; |
| } |
| |
| Map<Long, RangerTag> getTags() { |
| |
| Map<Long, RangerTag> ret = new HashMap<>(); |
| |
| if (CollectionUtils.isNotEmpty(serviceResources)) { |
| for (RangerServiceResource serviceResource : serviceResources) { |
| List<RangerTag> tags = lookupCache.serviceResourceToTags.get(serviceResource.getId()); |
| if (CollectionUtils.isNotEmpty(tags)) { |
| for (RangerTag tag : tags) { |
| ret.put(tag.getId(), tag); |
| } |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| Map<Long, List<Long>> getResourceToTagIds() { |
| Map<Long, List<Long>> ret = new HashMap<>(); |
| |
| if (CollectionUtils.isNotEmpty(serviceResources)) { |
| for (RangerServiceResource serviceResource : serviceResources) { |
| List<RangerTag> tags = lookupCache.serviceResourceToTags.get(serviceResource.getId()); |
| if (CollectionUtils.isNotEmpty(tags)) { |
| List<Long> tagIds = new ArrayList<>(); |
| ret.put(serviceResource.getId(), tagIds); |
| for (RangerTag tag : tags) { |
| tagIds.add(tag.getId()); |
| } |
| } |
| } |
| } |
| return ret; |
| } |
| |
| private boolean initializeTagCache(XXService xService) { |
| boolean ret; |
| try { |
| TagRetrieverServiceResourceContext serviceResourceContext = new TagRetrieverServiceResourceContext(xService); |
| TagRetrieverTagDefContext tagDefContext = new TagRetrieverTagDefContext(xService); |
| |
| serviceResources = serviceResourceContext.getAllServiceResources(); |
| tagDefs = tagDefContext.getAllTagDefs(); |
| |
| ret = true; |
| } catch (Exception ex) { |
| LOG.error("Failed to get tags for service:[" + xService.getName() + "]", ex); |
| serviceResources = null; |
| tagDefs = null; |
| ret = false; |
| } |
| return ret; |
| } |
| |
| private class LookupCache { |
| final Map<Long, String> userScreenNames = new HashMap<>(); |
| final Map<Long, List<RangerTag>> serviceResourceToTags = new HashMap<>(); |
| |
| String getUserScreenName(Long userId) { |
| String ret = null; |
| |
| if (userId != null) { |
| ret = userScreenNames.get(userId); |
| |
| if (ret == null) { |
| XXPortalUser user = daoMgr.getXXPortalUser().getById(userId); |
| |
| if (user != null) { |
| ret = user.getPublicScreenName(); |
| |
| if (StringUtil.isEmpty(ret)) { |
| ret = user.getFirstName(); |
| |
| if (StringUtil.isEmpty(ret)) { |
| ret = user.getLoginId(); |
| } else { |
| if (!StringUtil.isEmpty(user.getLastName())) { |
| ret += (" " + user.getLastName()); |
| } |
| } |
| } |
| |
| if (ret != null) { |
| userScreenNames.put(userId, ret); |
| } |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| } |
| |
| private class TagLoaderThread extends Thread { |
| final TransactionTemplate txTemplate; |
| final XXService xService; |
| |
| TagLoaderThread(TransactionTemplate txTemplate, final XXService xService) { |
| this.txTemplate = txTemplate; |
| this.xService = xService; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| txTemplate.setReadOnly(true); |
| Boolean result = txTemplate.execute(new TransactionCallback<Boolean>() { |
| @Override |
| public Boolean doInTransaction(TransactionStatus status) { |
| boolean ret = initializeTagCache(xService); |
| if (!ret) { |
| status.setRollbackOnly(); |
| LOG.error("Failed to get tags for service:[" + xService.getName() + "] in a new transaction"); |
| } |
| return ret; |
| } |
| }); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("transaction result:[" + result +"]"); |
| } |
| } catch (Throwable ex) { |
| LOG.error("Failed to get tags for service:[" + xService.getName() + "] in a new transaction", ex); |
| } |
| } |
| } |
| |
| private class TagRetrieverServiceResourceContext { |
| |
| final XXService service; |
| final ListIterator<XXServiceResource> iterServiceResource; |
| |
| TagRetrieverServiceResourceContext(XXService xService) { |
| Long serviceId = xService == null ? null : xService.getId(); |
| this.service = xService; |
| |
| List<XXServiceResource> xServiceResources = daoMgr.getXXServiceResource().findTaggedResourcesInServiceId(serviceId); |
| |
| this.iterServiceResource = xServiceResources.listIterator(); |
| |
| } |
| |
| List<RangerServiceResource> getAllServiceResources() { |
| List<RangerServiceResource> ret = new ArrayList<>(); |
| |
| while (iterServiceResource.hasNext()) { |
| RangerServiceResource serviceResource = getNextServiceResource(); |
| |
| if (serviceResource != null) { |
| ret.add(serviceResource); |
| } |
| } |
| |
| return ret; |
| } |
| |
| RangerServiceResource getNextServiceResource() { |
| RangerServiceResource ret = null; |
| |
| if (iterServiceResource.hasNext()) { |
| XXServiceResource xServiceResource = iterServiceResource.next(); |
| |
| if (xServiceResource != null && StringUtils.isNotEmpty(xServiceResource.getTags())) { |
| ret = new RangerServiceResource(); |
| |
| ret.setId(xServiceResource.getId()); |
| ret.setGuid(xServiceResource.getGuid()); |
| ret.setIsEnabled(xServiceResource.getIsEnabled()); |
| ret.setCreatedBy(lookupCache.getUserScreenName(xServiceResource.getAddedByUserId())); |
| ret.setUpdatedBy(lookupCache.getUserScreenName(xServiceResource.getUpdatedByUserId())); |
| ret.setCreateTime(xServiceResource.getCreateTime()); |
| ret.setUpdateTime(xServiceResource.getUpdateTime()); |
| ret.setVersion(xServiceResource.getVersion()); |
| ret.setResourceSignature(xServiceResource.getResourceSignature()); |
| |
| Map<String, RangerPolicy.RangerPolicyResource> serviceResourceElements = gsonBuilder.fromJson(xServiceResource.getServiceResourceElements(), RangerServiceResourceService.subsumedDataType); |
| ret.setResourceElements(serviceResourceElements); |
| |
| List<RangerTag> tags = gsonBuilder.fromJson(xServiceResource.getTags(), RangerServiceResourceService.duplicatedDataType); |
| lookupCache.serviceResourceToTags.put(xServiceResource.getId(), tags); |
| } |
| } |
| |
| return ret; |
| } |
| |
| } |
| |
| private class TagRetrieverTagDefContext { |
| |
| final XXService service; |
| final ListIterator<XXTagDef> iterTagDef; |
| |
| TagRetrieverTagDefContext(XXService xService) { |
| Long serviceId = xService == null ? null : xService.getId(); |
| |
| List<XXTagDef> xTagDefs = daoMgr.getXXTagDef().findByServiceId(serviceId); |
| |
| this.service = xService; |
| this.iterTagDef = xTagDefs.listIterator(); |
| } |
| |
| Map<Long, RangerTagDef> getAllTagDefs() { |
| Map<Long, RangerTagDef> ret = new HashMap<>(); |
| |
| while (iterTagDef.hasNext()) { |
| RangerTagDef tagDef = getNextTagDef(); |
| |
| if (tagDef != null) { |
| ret.put(tagDef.getId(), tagDef); |
| } |
| } |
| |
| return ret; |
| } |
| |
| RangerTagDef getNextTagDef() { |
| RangerTagDef ret = null; |
| |
| if (iterTagDef.hasNext()) { |
| XXTagDef xTagDef = iterTagDef.next(); |
| |
| if (xTagDef != null) { |
| ret = new RangerTagDef(); |
| |
| ret.setId(xTagDef.getId()); |
| ret.setGuid(xTagDef.getGuid()); |
| ret.setIsEnabled(xTagDef.getIsEnabled()); |
| ret.setCreatedBy(lookupCache.getUserScreenName(xTagDef.getAddedByUserId())); |
| ret.setUpdatedBy(lookupCache.getUserScreenName(xTagDef.getUpdatedByUserId())); |
| ret.setCreateTime(xTagDef.getCreateTime()); |
| ret.setUpdateTime(xTagDef.getUpdateTime()); |
| ret.setVersion(xTagDef.getVersion()); |
| ret.setName(xTagDef.getName()); |
| ret.setSource(xTagDef.getSource()); |
| List<RangerTagDef.RangerTagAttributeDef> attributeDefs = gsonBuilder.fromJson(xTagDef.getTagAttrDefs(), RangerTagDBRetriever.subsumedDataType); |
| ret.setAttributeDefs(attributeDefs); |
| } |
| } |
| |
| return ret; |
| } |
| |
| } |
| |
| } |