| /* |
| * 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.iotdb.confignode.persistence.schema; |
| |
| import org.apache.iotdb.commons.auth.entity.PrivilegeType; |
| import org.apache.iotdb.commons.exception.IllegalPathException; |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.commons.schema.node.role.IDatabaseMNode; |
| import org.apache.iotdb.commons.schema.node.utils.IMNodeFactory; |
| import org.apache.iotdb.commons.utils.AuthUtils; |
| import org.apache.iotdb.commons.utils.ThriftConfigNodeSerDeUtils; |
| import org.apache.iotdb.confignode.consensus.request.ConfigPhysicalPlan; |
| import org.apache.iotdb.confignode.consensus.request.ConfigPhysicalPlanType; |
| import org.apache.iotdb.confignode.consensus.request.auth.AuthorPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.database.DatabaseSchemaPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.database.SetTTLPlan; |
| import org.apache.iotdb.confignode.consensus.request.write.template.CommitSetSchemaTemplatePlan; |
| import org.apache.iotdb.confignode.consensus.request.write.template.CreateSchemaTemplatePlan; |
| import org.apache.iotdb.confignode.persistence.schema.mnode.IConfigMNode; |
| import org.apache.iotdb.confignode.persistence.schema.mnode.factory.ConfigMNodeFactory; |
| import org.apache.iotdb.db.schemaengine.template.Template; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.apache.tsfile.utils.Pair; |
| import org.apache.tsfile.utils.ReadWriteIOUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.BufferedInputStream; |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.ByteBuffer; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.ArrayDeque; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Deque; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import java.util.Stack; |
| |
| import static org.apache.iotdb.commons.conf.IoTDBConstant.PATH_ROOT; |
| import static org.apache.iotdb.commons.schema.SchemaConstant.INTERNAL_MNODE_TYPE; |
| import static org.apache.iotdb.commons.schema.SchemaConstant.STORAGE_GROUP_MNODE_TYPE; |
| import static org.apache.iotdb.commons.utils.IOUtils.readAuthString; |
| import static org.apache.iotdb.commons.utils.IOUtils.readString; |
| |
| public class CNPhysicalPlanGenerator |
| implements Iterator<ConfigPhysicalPlan>, Iterable<ConfigPhysicalPlan> { |
| |
| private final Logger logger = LoggerFactory.getLogger(CNPhysicalPlanGenerator.class); |
| private final IMNodeFactory<IConfigMNode> nodeFactory = ConfigMNodeFactory.getInstance(); |
| |
| // File input stream. |
| private InputStream inputStream = null; |
| private InputStream templateInputStream = null; |
| |
| private static final String STRING_ENCODING = "utf-8"; |
| |
| // For default password |
| private static final String DEFAULT_PASSWORD = "password"; |
| private final ThreadLocal<byte[]> strBufferLocal = new ThreadLocal<>(); |
| |
| private final HashMap<Integer, String> templateTable = new HashMap<>(); |
| |
| private final List<IConfigMNode> templateNodeList = new ArrayList<>(); |
| |
| // All plan will be stored at this deque |
| private final Deque<ConfigPhysicalPlan> planDeque = new ArrayDeque<>(); |
| |
| private CNSnapshotFileType snapshotFileType = CNSnapshotFileType.INVALID; |
| |
| private Exception latestException = null; |
| private String userName; |
| |
| public CNPhysicalPlanGenerator(Path snapshotFilePath, CNSnapshotFileType fileType) |
| throws IOException { |
| if (fileType == CNSnapshotFileType.SCHEMA) { |
| logger.warn("schema_template need two files"); |
| return; |
| } |
| if (fileType == CNSnapshotFileType.USER_ROLE) { |
| userName = snapshotFilePath.getFileName().toString().split("_role.profile")[0]; |
| } |
| snapshotFileType = fileType; |
| inputStream = Files.newInputStream(snapshotFilePath); |
| } |
| |
| public CNPhysicalPlanGenerator(Path schemaInfoFile, Path templateFile) throws IOException { |
| inputStream = Files.newInputStream(schemaInfoFile); |
| templateInputStream = Files.newInputStream(templateFile); |
| snapshotFileType = CNSnapshotFileType.SCHEMA; |
| } |
| |
| @Override |
| public Iterator<ConfigPhysicalPlan> iterator() { |
| return this; |
| } |
| |
| @Override |
| public boolean hasNext() { |
| if (!planDeque.isEmpty()) { |
| return true; |
| } |
| |
| if (snapshotFileType == CNSnapshotFileType.USER) { |
| generateUserRolePhysicalPlan(true); |
| } else if (snapshotFileType == CNSnapshotFileType.ROLE) { |
| generateUserRolePhysicalPlan(false); |
| } else if (snapshotFileType == CNSnapshotFileType.USER_ROLE) { |
| generateGrantRolePhysicalPlan(); |
| } else if (snapshotFileType == CNSnapshotFileType.SCHEMA) { |
| generateTemplatePlan(); |
| if (latestException != null) { |
| return false; |
| } |
| generateDatabasePhysicalPlan(); |
| if (latestException != null) { |
| return false; |
| } |
| generateSetTemplatePlan(); |
| } |
| snapshotFileType = CNSnapshotFileType.INVALID; |
| try { |
| if (inputStream != null) { |
| inputStream.close(); |
| inputStream = null; |
| } |
| if (templateInputStream != null) { |
| templateInputStream.close(); |
| templateInputStream = null; |
| } |
| } catch (IOException ioException) { |
| latestException = ioException; |
| } |
| |
| if (latestException != null) { |
| return false; |
| } |
| return !planDeque.isEmpty(); |
| } |
| |
| @Override |
| public ConfigPhysicalPlan next() { |
| if (!hasNext()) { |
| throw new NoSuchElementException(); |
| } |
| return planDeque.pop(); |
| } |
| |
| public void checkException() throws Exception { |
| if (latestException != null) { |
| throw new Exception(latestException.getMessage()); |
| } |
| } |
| |
| private void generateUserRolePhysicalPlan(boolean isUser) { |
| try (DataInputStream dataInputStream = |
| new DataInputStream(new BufferedInputStream(inputStream))) { |
| final Pair<String, Boolean> versionAndName = |
| readAuthString(dataInputStream, STRING_ENCODING, strBufferLocal); |
| if (versionAndName == null) { |
| return; |
| } |
| String user = versionAndName.left; |
| if (isUser) { |
| readString(dataInputStream, STRING_ENCODING, strBufferLocal); |
| final AuthorPlan createUser = new AuthorPlan(ConfigPhysicalPlanType.CreateUser); |
| createUser.setUserName(user); |
| createUser.setPassword(DEFAULT_PASSWORD); |
| createUser.setPermissions(new HashSet<>()); |
| createUser.setNodeNameList(new ArrayList<>()); |
| planDeque.add(createUser); |
| } else { |
| final AuthorPlan createRole = new AuthorPlan(ConfigPhysicalPlanType.CreateRole); |
| createRole.setRoleName(user); |
| createRole.setPermissions(new HashSet<>()); |
| createRole.setNodeNameList(new ArrayList<>()); |
| planDeque.add(createRole); |
| } |
| |
| final int privilegeMask = dataInputStream.readInt(); |
| generateGrantSysPlan(user, isUser, privilegeMask); |
| while (dataInputStream.available() != 0) { |
| final String path = readString(dataInputStream, STRING_ENCODING, strBufferLocal); |
| final PartialPath priPath; |
| try { |
| priPath = new PartialPath(path); |
| } catch (IllegalPathException exception) { |
| latestException = exception; |
| return; |
| } |
| int privileges = dataInputStream.readInt(); |
| generateGrantPathPlan(user, isUser, priPath, privileges); |
| } |
| } catch (IOException ioException) { |
| logger.error( |
| "Got IOException when deserialize use&role file, type:{}", snapshotFileType, ioException); |
| latestException = ioException; |
| } finally { |
| strBufferLocal.remove(); |
| } |
| } |
| |
| private void generateGrantRolePhysicalPlan() { |
| try (DataInputStream roleInputStream = |
| new DataInputStream(new BufferedInputStream((inputStream)))) { |
| while (roleInputStream.available() != 0) { |
| final String roleName = readString(roleInputStream, STRING_ENCODING, strBufferLocal); |
| final AuthorPlan plan = new AuthorPlan(ConfigPhysicalPlanType.GrantRoleToUser); |
| plan.setUserName(userName); |
| plan.setRoleName(roleName); |
| plan.setNodeNameList(new ArrayList<>()); |
| plan.setPermissions(new HashSet<>()); |
| planDeque.add(plan); |
| } |
| } catch (IOException ioException) { |
| logger.error("Got IOException when deserialize roleList", ioException); |
| latestException = ioException; |
| } finally { |
| strBufferLocal.remove(); |
| } |
| } |
| |
| private void generateGrantSysPlan(String userName, boolean isUser, int sysMask) { |
| for (int i = 0; i < PrivilegeType.getSysPriCount(); i++) { |
| if ((sysMask & (1 << i)) != 0) { |
| final AuthorPlan plan = |
| new AuthorPlan( |
| isUser ? ConfigPhysicalPlanType.GrantUser : ConfigPhysicalPlanType.GrantRole); |
| if (isUser) { |
| plan.setUserName(userName); |
| plan.setRoleName(""); |
| } else { |
| plan.setRoleName(userName); |
| plan.setUserName(""); |
| } |
| plan.setPermissions(Collections.singleton(AuthUtils.posToSysPri(i))); |
| if ((sysMask & (1 << (i + 16))) != 0) { |
| plan.setGrantOpt(true); |
| } |
| plan.setNodeNameList(new ArrayList<>()); |
| planDeque.add(plan); |
| } |
| } |
| } |
| |
| private void generateGrantPathPlan( |
| String userName, boolean isUser, PartialPath path, int priMask) { |
| for (int pos = 0; pos < PrivilegeType.getPathPriCount(); pos++) { |
| if (((1 << pos) & priMask) != 0) { |
| final AuthorPlan plan = |
| new AuthorPlan( |
| isUser ? ConfigPhysicalPlanType.GrantUser : ConfigPhysicalPlanType.GrantRole); |
| if (isUser) { |
| plan.setUserName(userName); |
| plan.setRoleName(""); |
| } else { |
| plan.setRoleName(userName); |
| plan.setUserName(""); |
| } |
| plan.setPermissions(Collections.singleton(AuthUtils.pathPosToPri(pos))); |
| plan.setNodeNameList(Collections.singletonList(path)); |
| if ((1 << (pos + 16) & priMask) != 0) { |
| plan.setGrantOpt(true); |
| } |
| planDeque.add(plan); |
| } |
| } |
| } |
| |
| private void generateDatabasePhysicalPlan() { |
| try (BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream)) { |
| byte type = ReadWriteIOUtils.readByte(bufferedInputStream); |
| String name; |
| int childNum; |
| Stack<Pair<IConfigMNode, Boolean>> stack = new Stack<>(); |
| IConfigMNode databaseMNode; |
| IConfigMNode internalMNode; |
| |
| if (type == STORAGE_GROUP_MNODE_TYPE) { |
| databaseMNode = deserializeDatabaseMNode(bufferedInputStream); |
| name = databaseMNode.getName(); |
| stack.push(new Pair<>(databaseMNode, true)); |
| } else { |
| internalMNode = deserializeInternalMNode(bufferedInputStream); |
| childNum = ReadWriteIOUtils.readInt(bufferedInputStream); |
| name = internalMNode.getName(); |
| stack.push(new Pair<>(internalMNode, false)); |
| } |
| |
| while (!PATH_ROOT.equals(name)) { |
| type = ReadWriteIOUtils.readByte(bufferedInputStream); |
| switch (type) { |
| case INTERNAL_MNODE_TYPE: |
| internalMNode = deserializeInternalMNode(bufferedInputStream); |
| childNum = ReadWriteIOUtils.readInt(bufferedInputStream); |
| boolean hasDB = false; |
| while (childNum > 0) { |
| hasDB = stack.peek().right; |
| internalMNode.addChild(stack.pop().left); |
| childNum--; |
| } |
| stack.push(new Pair<>(internalMNode, hasDB)); |
| name = internalMNode.getName(); |
| break; |
| case STORAGE_GROUP_MNODE_TYPE: |
| databaseMNode = deserializeDatabaseMNode(bufferedInputStream).getAsMNode(); |
| while (!stack.isEmpty() && !stack.peek().right) { |
| databaseMNode.addChild(stack.pop().left); |
| } |
| stack.push(new Pair<>(databaseMNode, true)); |
| name = databaseMNode.getName(); |
| break; |
| default: |
| logger.error("Unrecognized node type. Cannot deserialize MTree from given buffer"); |
| return; |
| } |
| } |
| } catch (IOException ioException) { |
| logger.error("Got IOException when construct database Tree", ioException); |
| latestException = ioException; |
| } |
| } |
| |
| private void generateTemplatePlan() { |
| try (BufferedInputStream bufferedInputStream = new BufferedInputStream(templateInputStream)) { |
| final ByteBuffer byteBuffer = ByteBuffer.wrap(IOUtils.toByteArray(bufferedInputStream)); |
| // Skip id |
| ReadWriteIOUtils.readInt(byteBuffer); |
| int size = ReadWriteIOUtils.readInt(byteBuffer); |
| while (size > 0) { |
| final Template template = new Template(); |
| template.deserialize(byteBuffer); |
| templateTable.put(template.getId(), template.getName()); |
| template.setId(0); |
| final CreateSchemaTemplatePlan plan = |
| new CreateSchemaTemplatePlan(template.serialize().array()); |
| planDeque.add(plan); |
| size--; |
| } |
| } catch (IOException ioException) { |
| logger.error("Got IOException when deserialize template info", ioException); |
| latestException = ioException; |
| } |
| } |
| |
| private void generateSetTemplatePlan() { |
| if (templateNodeList.isEmpty()) { |
| return; |
| } |
| for (IConfigMNode templateNode : templateNodeList) { |
| String templateName = templateTable.get(templateNode.getSchemaTemplateId()); |
| CommitSetSchemaTemplatePlan plan = |
| new CommitSetSchemaTemplatePlan(templateName, templateNode.getFullPath()); |
| planDeque.add(plan); |
| } |
| } |
| |
| private IConfigMNode deserializeDatabaseMNode(InputStream inputStream) throws IOException { |
| final IDatabaseMNode<IConfigMNode> databaseMNode = |
| nodeFactory.createDatabaseMNode(null, ReadWriteIOUtils.readString(inputStream)); |
| databaseMNode.getAsMNode().setSchemaTemplateId(ReadWriteIOUtils.readInt(inputStream)); |
| databaseMNode |
| .getAsMNode() |
| .setDatabaseSchema(ThriftConfigNodeSerDeUtils.deserializeTDatabaseSchema(inputStream)); |
| long databaseTTL = -1L; |
| if (databaseMNode.getAsMNode().getDatabaseSchema().isSetTTL()) { |
| databaseTTL = databaseMNode.getAsMNode().getDatabaseSchema().getTTL(); |
| databaseMNode.getAsMNode().getDatabaseSchema().unsetTTL(); |
| } |
| |
| if (databaseMNode.getAsMNode().getSchemaTemplateId() >= 0 && !templateTable.isEmpty()) { |
| templateNodeList.add((IConfigMNode) databaseMNode); |
| } |
| |
| final DatabaseSchemaPlan createDBPlan = |
| new DatabaseSchemaPlan( |
| ConfigPhysicalPlanType.CreateDatabase, databaseMNode.getAsMNode().getDatabaseSchema()); |
| planDeque.add(createDBPlan); |
| if (databaseTTL != -1L) { |
| final SetTTLPlan setTTLPlan = |
| new SetTTLPlan( |
| Arrays.asList(databaseMNode.getAsMNode().getDatabaseSchema().getName().split("\\.")), |
| databaseTTL); |
| planDeque.add(setTTLPlan); |
| } |
| return databaseMNode.getAsMNode(); |
| } |
| |
| private IConfigMNode deserializeInternalMNode(InputStream inputStream) throws IOException { |
| IConfigMNode basicMNode = |
| nodeFactory.createInternalMNode(null, ReadWriteIOUtils.readString(inputStream)); |
| basicMNode.setSchemaTemplateId(ReadWriteIOUtils.readInt(inputStream)); |
| if (basicMNode.getSchemaTemplateId() >= 0 && !templateTable.isEmpty()) { |
| templateNodeList.add(basicMNode); |
| } |
| return basicMNode; |
| } |
| } |