| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.container.testutils; |
| |
| import com.google.common.base.Preconditions; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.PipelineReportsProto; |
| import org.apache.hadoop.hdds.scm.container.ContainerID; |
| import org.apache.hadoop.hdds.scm.container.common.helpers.Pipeline; |
| import org.apache.hadoop.hdds.scm.container.common.helpers.PipelineID; |
| import org.apache.hadoop.hdds.scm.container.placement.metrics.SCMNodeMetric; |
| import org.apache.hadoop.hdds.scm.container.placement.metrics.SCMNodeStat; |
| import org.apache.hadoop.hdds.scm.exceptions.SCMException; |
| import org.apache.hadoop.hdds.scm.node.CommandQueue; |
| import org.apache.hadoop.hdds.scm.node.NodeManager; |
| import org.apache.hadoop.hdds.scm.node.states.NodeNotFoundException; |
| import org.apache.hadoop.hdds.protocol.DatanodeDetails; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeState; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.NodeReportProto; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.SCMVersionRequestProto; |
| import org.apache.hadoop.hdds.scm.node.states.ReportResult; |
| import org.apache.hadoop.hdds.server.events.EventPublisher; |
| import org.apache.hadoop.ozone.protocol.VersionResponse; |
| import org.apache.hadoop.ozone.protocol.commands.CommandForDatanode; |
| import org.apache.hadoop.ozone.protocol.commands.RegisteredCommand; |
| import org.apache.hadoop.ozone.protocol.commands.SCMCommand; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.UUID; |
| |
| /** |
| * A Node Manager to test replication. |
| */ |
| public class ReplicationNodeManagerMock implements NodeManager { |
| private final Map<DatanodeDetails, NodeState> nodeStateMap; |
| private final CommandQueue commandQueue; |
| |
| /** |
| * A list of Datanodes and current states. |
| * @param nodeState A node state map. |
| */ |
| public ReplicationNodeManagerMock(Map<DatanodeDetails, NodeState> nodeState, |
| CommandQueue commandQueue) { |
| Preconditions.checkNotNull(nodeState); |
| this.nodeStateMap = nodeState; |
| this.commandQueue = commandQueue; |
| } |
| |
| /** |
| * Get the minimum number of nodes to get out of chill mode. |
| * |
| * @return int |
| */ |
| @Override |
| public int getMinimumChillModeNodes() { |
| return 0; |
| } |
| |
| /** |
| * Returns a chill mode status string. |
| * |
| * @return String |
| */ |
| @Override |
| public String getChillModeStatus() { |
| return null; |
| } |
| |
| /** |
| * Get the number of data nodes that in all states. |
| * |
| * @return A state to number of nodes that in this state mapping |
| */ |
| @Override |
| public Map<String, Integer> getNodeCount() { |
| return null; |
| } |
| |
| /** |
| * Removes a data node from the management of this Node Manager. |
| * |
| * @param node - DataNode. |
| * @throws NodeNotFoundException |
| */ |
| @Override |
| public void removeNode(DatanodeDetails node) |
| throws NodeNotFoundException { |
| nodeStateMap.remove(node); |
| |
| } |
| |
| /** |
| * Gets all Live Datanodes that is currently communicating with SCM. |
| * |
| * @param nodestate - State of the node |
| * @return List of Datanodes that are Heartbeating SCM. |
| */ |
| @Override |
| public List<DatanodeDetails> getNodes(NodeState nodestate) { |
| return null; |
| } |
| |
| /** |
| * Returns the Number of Datanodes that are communicating with SCM. |
| * |
| * @param nodestate - State of the node |
| * @return int -- count |
| */ |
| @Override |
| public int getNodeCount(NodeState nodestate) { |
| return 0; |
| } |
| |
| /** |
| * Get all datanodes known to SCM. |
| * |
| * @return List of DatanodeDetails known to SCM. |
| */ |
| @Override |
| public List<DatanodeDetails> getAllNodes() { |
| return null; |
| } |
| |
| /** |
| * Chill mode is the period when node manager waits for a minimum |
| * configured number of datanodes to report in. This is called chill mode |
| * to indicate the period before node manager gets into action. |
| * <p> |
| * Forcefully exits the chill mode, even if we have not met the minimum |
| * criteria of the nodes reporting in. |
| */ |
| @Override |
| public void forceExitChillMode() { |
| |
| } |
| |
| /** |
| * Puts the node manager into manual chill mode. |
| */ |
| @Override |
| public void enterChillMode() { |
| |
| } |
| |
| /** |
| * Brings node manager out of manual chill mode. |
| */ |
| @Override |
| public void exitChillMode() { |
| |
| } |
| |
| /** |
| * Returns true if node manager is out of chill mode, else false. |
| * @return true if out of chill mode, else false |
| */ |
| @Override |
| public boolean isOutOfChillMode() { |
| return !nodeStateMap.isEmpty(); |
| } |
| |
| /** |
| * Returns the aggregated node stats. |
| * |
| * @return the aggregated node stats. |
| */ |
| @Override |
| public SCMNodeStat getStats() { |
| return null; |
| } |
| |
| /** |
| * Return a map of node stats. |
| * |
| * @return a map of individual node stats (live/stale but not dead). |
| */ |
| @Override |
| public Map<UUID, SCMNodeStat> getNodeStats() { |
| return null; |
| } |
| |
| /** |
| * Return the node stat of the specified datanode. |
| * |
| * @param dd - datanode details. |
| * @return node stat if it is live/stale, null if it is decommissioned or |
| * doesn't exist. |
| */ |
| @Override |
| public SCMNodeMetric getNodeStat(DatanodeDetails dd) { |
| return null; |
| } |
| |
| |
| /** |
| * Returns the node state of a specific node. |
| * |
| * @param dd - DatanodeDetails |
| * @return Healthy/Stale/Dead. |
| */ |
| @Override |
| public NodeState getNodeState(DatanodeDetails dd) { |
| return nodeStateMap.get(dd); |
| } |
| |
| /** |
| * Get set of pipelines a datanode is part of. |
| * @param dnId - datanodeID |
| * @return Set of PipelineID |
| */ |
| @Override |
| public Set<PipelineID> getPipelineByDnID(UUID dnId) { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| /** |
| * Add pipeline information in the NodeManager. |
| * @param pipeline - Pipeline to be added |
| */ |
| @Override |
| public void addPipeline(Pipeline pipeline) { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| /** |
| * Remove a pipeline information from the NodeManager. |
| * @param pipeline - Pipeline to be removed |
| */ |
| @Override |
| public void removePipeline(Pipeline pipeline) { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| /** |
| * Update set of containers available on a datanode. |
| * @param uuid - DatanodeID |
| * @param containerIds - Set of containerIDs |
| * @throws SCMException - if datanode is not known. For new datanode use |
| * addDatanodeInContainerMap call. |
| */ |
| @Override |
| public void setContainersForDatanode(UUID uuid, Set<ContainerID> containerIds) |
| throws SCMException { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| /** |
| * Process containerReport received from datanode. |
| * @param uuid - DataonodeID |
| * @param containerIds - Set of containerIDs |
| * @return The result after processing containerReport |
| */ |
| @Override |
| public ReportResult<ContainerID> processContainerReport(UUID uuid, |
| Set<ContainerID> containerIds) { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| /** |
| * Return set of containerIDs available on a datanode. |
| * @param uuid - DatanodeID |
| * @return - set of containerIDs |
| */ |
| @Override |
| public Set<ContainerID> getContainers(UUID uuid) { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| /** |
| * Insert a new datanode with set of containerIDs for containers available |
| * on it. |
| * @param uuid - DatanodeID |
| * @param containerIDs - Set of ContainerIDs |
| * @throws SCMException - if datanode already exists |
| */ |
| @Override |
| public void addDatanodeInContainerMap(UUID uuid, |
| Set<ContainerID> containerIDs) throws SCMException { |
| throw new UnsupportedOperationException("Not yet implemented"); |
| } |
| |
| /** |
| * Closes this stream and releases any system resources associated |
| * with it. If the stream is already closed then invoking this |
| * method has no effect. |
| * <p> |
| * <p> As noted in {@link AutoCloseable#close()}, cases where the |
| * close may fail require careful attention. It is strongly advised |
| * to relinquish the underlying resources and to internally |
| * <em>mark</em> the {@code Closeable} as closed, prior to throwing |
| * the {@code IOException}. |
| * |
| * @throws IOException if an I/O error occurs |
| */ |
| @Override |
| public void close() throws IOException { |
| |
| } |
| |
| /** |
| * Gets the version info from SCM. |
| * |
| * @param versionRequest - version Request. |
| * @return - returns SCM version info and other required information needed by |
| * datanode. |
| */ |
| @Override |
| public VersionResponse getVersion(SCMVersionRequestProto versionRequest) { |
| return null; |
| } |
| |
| /** |
| * Register the node if the node finds that it is not registered with any SCM. |
| * |
| * @param dd DatanodeDetailsProto |
| * @param nodeReport NodeReportProto |
| * @return SCMHeartbeatResponseProto |
| */ |
| @Override |
| public RegisteredCommand register(DatanodeDetails dd, |
| NodeReportProto nodeReport, |
| PipelineReportsProto pipelineReportsProto) { |
| return null; |
| } |
| |
| /** |
| * Send heartbeat to indicate the datanode is alive and doing well. |
| * |
| * @param dd - Datanode Details. |
| * @return SCMheartbeat response list |
| */ |
| @Override |
| public List<SCMCommand> processHeartbeat(DatanodeDetails dd) { |
| return null; |
| } |
| |
| /** |
| * Clears all nodes from the node Manager. |
| */ |
| public void clearMap() { |
| this.nodeStateMap.clear(); |
| } |
| |
| /** |
| * Adds a node to the existing Node manager. This is used only for test |
| * purposes. |
| * @param id DatanodeDetails |
| * @param state State you want to put that node to. |
| */ |
| public void addNode(DatanodeDetails id, NodeState state) { |
| nodeStateMap.put(id, state); |
| } |
| |
| @Override |
| public void addDatanodeCommand(UUID dnId, SCMCommand command) { |
| this.commandQueue.addCommand(dnId, command); |
| } |
| |
| /** |
| * Empty implementation for processNodeReport. |
| * @param dnUuid |
| * @param nodeReport |
| */ |
| @Override |
| public void processNodeReport(UUID dnUuid, NodeReportProto nodeReport) { |
| // do nothing. |
| } |
| |
| @Override |
| public void onMessage(CommandForDatanode commandForDatanode, |
| EventPublisher publisher) { |
| // do nothing. |
| } |
| |
| /** |
| * Empty implementation for processDeadNode. |
| * @param dnUuid |
| */ |
| @Override |
| public void processDeadNode(UUID dnUuid) { |
| // do nothing. |
| } |
| } |