HDDS-587. Add new classes for pipeline management. Contributed by Lokesh Jain.
This commit is contained in:
Nandakumar
parent
c07b95bdfc
commit
5c8e023ba3
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
|
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* to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdds.scm.pipeline;
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import com.google.common.base.Preconditions;
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import org.apache.commons.lang3.builder.EqualsBuilder;
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import org.apache.commons.lang3.builder.HashCodeBuilder;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* Represents a group of datanodes which store a container.
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*/
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public final class Pipeline {
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private final PipelineID id;
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private final ReplicationType type;
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private final ReplicationFactor factor;
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private LifeCycleState state;
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private List<DatanodeDetails> nodes;
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private Pipeline(PipelineID id, ReplicationType type,
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ReplicationFactor factor, LifeCycleState state,
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List<DatanodeDetails> nodes) {
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this.id = id;
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this.type = type;
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this.factor = factor;
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this.state = state;
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this.nodes = nodes;
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}
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/**
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* Returns the ID of this pipeline.
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*
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* @return PipelineID
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*/
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public PipelineID getID() {
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return id;
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}
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/**
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* Returns the type.
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*
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* @return type - Simple or Ratis.
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*/
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public ReplicationType getType() {
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return type;
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}
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/**
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* Returns the factor.
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*
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* @return type - Simple or Ratis.
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*/
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public ReplicationFactor getFactor() {
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return factor;
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}
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/**
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* Returns the State of the pipeline.
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*
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* @return - LifeCycleStates.
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*/
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public LifeCycleState getLifeCycleState() {
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return state;
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}
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/**
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* Returns the list of nodes which form this pipeline.
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*
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* @return List of DatanodeDetails
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*/
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public List<DatanodeDetails> getNodes() {
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return new ArrayList<>(nodes);
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}
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public HddsProtos.Pipeline getProtobufMessage() {
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HddsProtos.Pipeline.Builder builder = HddsProtos.Pipeline.newBuilder();
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builder.setId(id.getProtobuf());
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builder.setType(type);
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builder.setState(state);
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builder.addAllMembers(nodes.stream().map(
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DatanodeDetails::getProtoBufMessage).collect(Collectors.toList()));
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return builder.build();
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}
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public static Pipeline fromProtobuf(HddsProtos.Pipeline pipeline) {
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return new Pipeline(PipelineID.getFromProtobuf(pipeline.getId()),
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pipeline.getType(), pipeline.getFactor(), pipeline.getState(),
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pipeline.getMembersList().stream().map(DatanodeDetails::getFromProtoBuf)
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.collect(Collectors.toList()));
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (o == null || getClass() != o.getClass()) {
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return false;
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}
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Pipeline that = (Pipeline) o;
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return new EqualsBuilder()
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.append(id, that.id)
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.append(type, that.type)
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.append(factor, that.factor)
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.append(state, that.state)
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.append(nodes, that.nodes)
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.isEquals();
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}
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@Override
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public int hashCode() {
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return new HashCodeBuilder()
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.append(id)
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.append(type)
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.append(factor)
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.append(state)
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.append(nodes)
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.toHashCode();
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}
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public static Builder newBuilder() {
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return new Builder();
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}
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public static Builder newBuilder(Pipeline pipeline) {
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return new Builder(pipeline);
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}
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/**
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* Builder class for Pipeline.
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*/
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public static class Builder {
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private PipelineID id = null;
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private ReplicationType type = null;
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private ReplicationFactor factor = null;
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private LifeCycleState state = null;
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private List<DatanodeDetails> nodes = null;
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public Builder() {}
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public Builder(Pipeline pipeline) {
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this.id = pipeline.getID();
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this.type = pipeline.getType();
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this.factor = pipeline.getFactor();
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this.state = pipeline.getLifeCycleState();
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this.nodes = pipeline.getNodes();
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}
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public Builder setId(PipelineID id1) {
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this.id = id1;
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return this;
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}
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public Builder setType(ReplicationType type1) {
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this.type = type1;
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return this;
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}
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public Builder setFactor(ReplicationFactor factor1) {
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this.factor = factor1;
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return this;
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}
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public Builder setState(LifeCycleState state1) {
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this.state = state1;
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return this;
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}
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public Builder setNodes(List<DatanodeDetails> nodes1) {
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this.nodes = nodes1;
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return this;
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}
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public Pipeline build() {
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Preconditions.checkNotNull(id);
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Preconditions.checkNotNull(type);
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Preconditions.checkNotNull(factor);
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Preconditions.checkNotNull(state);
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Preconditions.checkNotNull(nodes);
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return new Pipeline(id, type, factor, state, nodes);
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}
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}
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}
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@ -0,0 +1,80 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdds.scm.pipeline;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
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import java.util.UUID;
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/**
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* ID for the pipeline, the ID is based on UUID.
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*/
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public final class PipelineID {
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private UUID id;
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private PipelineID(UUID id) {
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this.id = id;
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}
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public static PipelineID randomId() {
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return new PipelineID(UUID.randomUUID());
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}
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public static PipelineID valueOf(UUID id) {
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return new PipelineID(id);
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}
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public UUID getId() {
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return id;
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}
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public HddsProtos.PipelineID getProtobuf() {
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return HddsProtos.PipelineID.newBuilder().setId(id.toString()).build();
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}
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public static PipelineID getFromProtobuf(HddsProtos.PipelineID protos) {
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return new PipelineID(UUID.fromString(protos.getId()));
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}
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@Override
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public String toString() {
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return "PipelineID=" + id;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (o == null || getClass() != o.getClass()) {
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return false;
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}
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PipelineID that = (PipelineID) o;
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return id.equals(that.id);
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}
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@Override
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public int hashCode() {
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return id.hashCode();
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}
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}
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdds.scm.pipeline;
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/**
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Ozone supports the notion of different kind of pipelines.
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That means that we can have a replication pipeline build on
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Ratis, Simple or some other protocol. All Pipeline managers
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the entities in charge of pipelines reside in the package.
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*/
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdds.scm.pipeline;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
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import org.apache.hadoop.hdds.scm.node.NodeManager;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Creates pipeline based on replication type.
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*/
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public final class PipelineFactory {
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private Map<ReplicationType, PipelineProvider> providers;
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PipelineFactory(NodeManager nodeManager,
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PipelineStateManager stateManager) {
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providers = new HashMap<>();
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providers.put(ReplicationType.STAND_ALONE,
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new SimplePipelineProvider(nodeManager));
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providers.put(ReplicationType.RATIS,
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new RatisPipelineProvider(nodeManager, stateManager));
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}
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public Pipeline create(ReplicationType type, ReplicationFactor factor)
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throws IOException {
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return providers.get(type).create(factor);
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}
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public Pipeline create(ReplicationType type, List<DatanodeDetails> nodes)
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throws IOException {
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return providers.get(type).create(nodes);
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}
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}
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
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* 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
|
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
|
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* distributed under the License is distributed on an "AS IS" BASIS,
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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* See the License for the specific language governing permissions and
|
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* limitations under the License.
|
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*/
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package org.apache.hadoop.hdds.scm.pipeline;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
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import org.apache.hadoop.hdds.scm.container.ContainerID;
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import java.io.Closeable;
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import java.io.IOException;
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import java.util.List;
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import java.util.Set;
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/**
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* Interface which exposes the api for pipeline management.
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*/
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public interface PipelineManager extends Closeable {
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Pipeline createPipeline(ReplicationType type, ReplicationFactor factor)
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throws IOException;
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Pipeline createPipeline(ReplicationType type, List<DatanodeDetails> nodes)
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throws IOException;
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Pipeline getPipeline(PipelineID pipelineID) throws IOException;
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void addContainerToPipeline(PipelineID pipelineID, ContainerID containerID)
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throws IOException;
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void removeContainerFromPipeline(PipelineID pipelineID, ContainerID containerID)
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throws IOException;
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Set<ContainerID> getContainersInPipeline(PipelineID pipelineID)
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throws IOException;
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void finalizePipeline(PipelineID pipelineID) throws IOException;
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void closePipeline(PipelineID pipelineId) throws IOException;
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void removePipeline(PipelineID pipelineID) throws IOException;
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}
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
|
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* 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
|
||||
*
|
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* http://www.apache.org/licenses/LICENSE-2.0
|
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*
|
||||
* 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.
|
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*/
|
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package org.apache.hadoop.hdds.scm.pipeline;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
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import java.io.IOException;
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import java.util.List;
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/**
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* Interface for creating pipelines.
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*/
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public interface PipelineProvider {
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Pipeline create(ReplicationFactor factor) throws IOException;
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Pipeline create(List<DatanodeDetails> nodes) throws IOException;
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}
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@ -0,0 +1,179 @@
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/**
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* 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.
|
||||
*/
|
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package org.apache.hadoop.hdds.scm.pipeline;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleEvent;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState;
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import org.apache.hadoop.hdds.scm.ScmConfigKeys;
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import org.apache.hadoop.hdds.scm.container.ContainerID;
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import org.apache.hadoop.hdds.scm.exceptions.SCMException;
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import org.apache.hadoop.ozone.common.statemachine.InvalidStateTransitionException;
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import org.apache.hadoop.ozone.common.statemachine.StateMachine;
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import org.apache.hadoop.ozone.lease.LeaseManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import static org.apache.hadoop.hdds.scm.exceptions.SCMException.ResultCodes.FAILED_TO_CHANGE_PIPELINE_STATE;
|
||||
|
||||
/**
|
||||
* Manages the state of pipelines in SCM. All write operations like pipeline
|
||||
* creation, removal and updates should come via SCMPipelineManager.
|
||||
* PipelineStateMap class holds the data structures related to pipeline and its
|
||||
* state. All the read and write operations in PipelineStateMap are protected
|
||||
* by a read write lock.
|
||||
*/
|
||||
class PipelineStateManager {
|
||||
|
||||
private static final Logger LOG = LoggerFactory.getLogger(
|
||||
org.apache.hadoop.hdds.scm.pipelines.PipelineStateManager.class);
|
||||
|
||||
private final PipelineStateMap pipelineStateMap;
|
||||
private final StateMachine<LifeCycleState, LifeCycleEvent> stateMachine;
|
||||
private final LeaseManager<Pipeline> pipelineLeaseManager;
|
||||
|
||||
PipelineStateManager(Configuration conf) {
|
||||
this.pipelineStateMap = new PipelineStateMap();
|
||||
Set<LifeCycleState> finalStates = new HashSet<>();
|
||||
long pipelineCreationLeaseTimeout = conf.getTimeDuration(
|
||||
ScmConfigKeys.OZONE_SCM_PIPELINE_CREATION_LEASE_TIMEOUT,
|
||||
ScmConfigKeys.OZONE_SCM_PIPELINE_CREATION_LEASE_TIMEOUT_DEFAULT,
|
||||
TimeUnit.MILLISECONDS);
|
||||
// TODO: Use LeaseManager for creation of pipelines.
|
||||
// Add pipeline initialization logic.
|
||||
this.pipelineLeaseManager = new LeaseManager<>("PipelineCreation",
|
||||
pipelineCreationLeaseTimeout);
|
||||
this.pipelineLeaseManager.start();
|
||||
|
||||
finalStates.add(LifeCycleState.CLOSED);
|
||||
this.stateMachine = new StateMachine<>(LifeCycleState.ALLOCATED,
|
||||
finalStates);
|
||||
initializeStateMachine();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Event and State Transition Mapping.
|
||||
*
|
||||
* State: ALLOCATED ---------------> CREATING
|
||||
* Event: CREATE
|
||||
*
|
||||
* State: CREATING ---------------> OPEN
|
||||
* Event: CREATED
|
||||
*
|
||||
* State: OPEN ---------------> CLOSING
|
||||
* Event: FINALIZE
|
||||
*
|
||||
* State: CLOSING ---------------> CLOSED
|
||||
* Event: CLOSE
|
||||
*
|
||||
* State: CREATING ---------------> CLOSED
|
||||
* Event: TIMEOUT
|
||||
*
|
||||
*
|
||||
* Container State Flow:
|
||||
*
|
||||
* [ALLOCATED]---->[CREATING]------>[OPEN]-------->[CLOSING]
|
||||
* (CREATE) | (CREATED) (FINALIZE) |
|
||||
* | |
|
||||
* | |
|
||||
* |(TIMEOUT) |(CLOSE)
|
||||
* | |
|
||||
* +--------> [CLOSED] <--------+
|
||||
*/
|
||||
|
||||
/**
|
||||
* Add javadoc.
|
||||
*/
|
||||
private void initializeStateMachine() {
|
||||
stateMachine.addTransition(LifeCycleState.ALLOCATED,
|
||||
LifeCycleState.CREATING, LifeCycleEvent.CREATE);
|
||||
|
||||
stateMachine.addTransition(LifeCycleState.CREATING,
|
||||
LifeCycleState.OPEN, LifeCycleEvent.CREATED);
|
||||
|
||||
stateMachine.addTransition(LifeCycleState.OPEN,
|
||||
LifeCycleState.CLOSING, LifeCycleEvent.FINALIZE);
|
||||
|
||||
stateMachine.addTransition(LifeCycleState.CLOSING,
|
||||
LifeCycleState.CLOSED, LifeCycleEvent.CLOSE);
|
||||
|
||||
stateMachine.addTransition(LifeCycleState.CREATING,
|
||||
LifeCycleState.CLOSED, LifeCycleEvent.TIMEOUT);
|
||||
}
|
||||
|
||||
Pipeline updatePipelineState(PipelineID pipelineID, LifeCycleEvent event)
|
||||
throws IOException {
|
||||
Pipeline pipeline = null;
|
||||
try {
|
||||
pipeline = pipelineStateMap.getPipeline(pipelineID);
|
||||
LifeCycleState newState =
|
||||
stateMachine.getNextState(pipeline.getLifeCycleState(), event);
|
||||
return pipelineStateMap.updatePipelineState(pipeline.getID(), newState);
|
||||
} catch (InvalidStateTransitionException ex) {
|
||||
String error = String.format("Failed to update pipeline state %s, "
|
||||
+ "reason: invalid state transition from state: %s upon "
|
||||
+ "event: %s.", pipeline.getID(), pipeline.getLifeCycleState(),
|
||||
event);
|
||||
LOG.error(error);
|
||||
throw new SCMException(error, FAILED_TO_CHANGE_PIPELINE_STATE);
|
||||
}
|
||||
}
|
||||
|
||||
void addPipeline(Pipeline pipeline) throws IOException {
|
||||
pipelineStateMap.addPipeline(pipeline);
|
||||
}
|
||||
|
||||
void addContainerToPipeline(PipelineID pipelineId, ContainerID containerID)
|
||||
throws IOException {
|
||||
pipelineStateMap.addContainerToPipeline(pipelineId, containerID);
|
||||
}
|
||||
|
||||
Pipeline getPipeline(PipelineID pipelineID) throws IOException {
|
||||
return pipelineStateMap.getPipeline(pipelineID);
|
||||
}
|
||||
|
||||
List<Pipeline> getPipelines(HddsProtos.ReplicationType type) {
|
||||
return pipelineStateMap.getPipelines(type);
|
||||
}
|
||||
|
||||
Set<ContainerID> getContainers(PipelineID pipelineID) throws IOException {
|
||||
return pipelineStateMap.getContainers(pipelineID);
|
||||
}
|
||||
|
||||
void removePipeline(PipelineID pipelineID) throws IOException {
|
||||
pipelineStateMap.removePipeline(pipelineID);
|
||||
}
|
||||
|
||||
void removeContainerFromPipeline(PipelineID pipelineID,
|
||||
ContainerID containerID) throws IOException {
|
||||
pipelineStateMap.removeContainerFromPipeline(pipelineID, containerID);
|
||||
}
|
||||
|
||||
void close() {
|
||||
pipelineLeaseManager.shutdown();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,212 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState;
|
||||
import org.apache.hadoop.hdds.scm.container.ContainerID;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.*;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
/**
|
||||
* Holds the data structures which maintain the information about pipeline and
|
||||
* its state. All the read write operations in this class are protected by a
|
||||
* lock.
|
||||
* Invariant: If a pipeline exists in PipelineStateMap, both pipelineMap and
|
||||
* pipeline2container would have a non-null mapping for it.
|
||||
*/
|
||||
class PipelineStateMap {
|
||||
|
||||
private static final Logger LOG = LoggerFactory.getLogger(
|
||||
PipelineStateMap.class);
|
||||
|
||||
private final Map<PipelineID, Pipeline> pipelineMap;
|
||||
private final Map<PipelineID, Set<ContainerID>> pipeline2container;
|
||||
|
||||
PipelineStateMap() {
|
||||
|
||||
this.pipelineMap = new HashMap<>();
|
||||
this.pipeline2container = new HashMap<>();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds provided pipeline in the data structures.
|
||||
*
|
||||
* @param pipeline - Pipeline to add
|
||||
* @throws IOException if pipeline with provided pipelineID already exists
|
||||
*/
|
||||
void addPipeline(Pipeline pipeline) throws IOException {
|
||||
Preconditions.checkNotNull(pipeline, "Pipeline cannot be null");
|
||||
Preconditions.checkArgument(
|
||||
pipeline.getNodes().size() == pipeline.getFactor().getNumber(),
|
||||
String.format("Nodes size=%d, replication factor=%d do not match ",
|
||||
pipeline.getNodes().size(), pipeline.getFactor().getNumber()));
|
||||
|
||||
if (pipelineMap.putIfAbsent(pipeline.getID(), pipeline) != null) {
|
||||
LOG.warn("Duplicate pipeline ID detected. {}", pipeline.getID());
|
||||
throw new IOException(String
|
||||
.format("Duplicate pipeline ID %s detected.", pipeline.getID()));
|
||||
}
|
||||
pipeline2container.put(pipeline.getID(), new TreeSet<>());
|
||||
}
|
||||
|
||||
/**
|
||||
* Add container to an existing pipeline.
|
||||
*
|
||||
* @param pipelineID - PipelineID of the pipeline to which container is added
|
||||
* @param containerID - ContainerID of the container to add
|
||||
* @throws IOException if pipeline is not in open state or does not exist
|
||||
*/
|
||||
void addContainerToPipeline(PipelineID pipelineID, ContainerID containerID)
|
||||
throws IOException {
|
||||
Preconditions.checkNotNull(pipelineID,
|
||||
"Pipeline Id cannot be null");
|
||||
Preconditions.checkNotNull(containerID,
|
||||
"container Id cannot be null");
|
||||
|
||||
Pipeline pipeline = getPipeline(pipelineID);
|
||||
// TODO: verify the state we need the pipeline to be in
|
||||
if (!isOpen(pipeline)) {
|
||||
throw new IOException(
|
||||
String.format("%s is not in open state", pipelineID));
|
||||
}
|
||||
pipeline2container.get(pipelineID).add(containerID);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get pipeline corresponding to specified pipelineID.
|
||||
*
|
||||
* @param pipelineID - PipelineID of the pipeline to be retrieved
|
||||
* @return Pipeline
|
||||
* @throws IOException if pipeline is not found
|
||||
*/
|
||||
Pipeline getPipeline(PipelineID pipelineID) throws IOException {
|
||||
Pipeline pipeline = pipelineMap.get(pipelineID);
|
||||
if (pipeline == null) {
|
||||
throw new IOException(String.format("%s not found", pipelineID));
|
||||
}
|
||||
return pipeline;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get pipeline corresponding to specified replication type.
|
||||
*
|
||||
* @param type - ReplicationType
|
||||
* @return List of pipelines which have the specified replication type
|
||||
*/
|
||||
List<Pipeline> getPipelines(ReplicationType type) {
|
||||
Preconditions.checkNotNull(type, "Replication type cannot be null");
|
||||
|
||||
return pipelineMap.values().stream().filter(p -> p.getType().equals(type))
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
/**
|
||||
* Get set of containers corresponding to a pipeline.
|
||||
*
|
||||
* @param pipelineID - PipelineID
|
||||
* @return Set of Containers belonging to the pipeline
|
||||
* @throws IOException if pipeline is not found
|
||||
*/
|
||||
Set<ContainerID> getContainers(PipelineID pipelineID)
|
||||
throws IOException {
|
||||
Set<ContainerID> containerIDs = pipeline2container.get(pipelineID);
|
||||
if (containerIDs == null) {
|
||||
throw new IOException(String.format("%s not found", pipelineID));
|
||||
}
|
||||
return new HashSet<>(containerIDs);
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove pipeline from the data structures.
|
||||
*
|
||||
* @param pipelineID - PipelineID of the pipeline to be removed
|
||||
* @throws IOException if the pipeline is not empty or does not exist
|
||||
*/
|
||||
void removePipeline(PipelineID pipelineID) throws IOException {
|
||||
Preconditions.checkNotNull(pipelineID, "Pipeline Id cannot be null");
|
||||
|
||||
//TODO: Add a flag which suppresses exception if pipeline does not exist?
|
||||
Set<ContainerID> containerIDs = getContainers(pipelineID);
|
||||
if (containerIDs.size() != 0) {
|
||||
throw new IOException(
|
||||
String.format("Pipeline with %s is not empty", pipelineID));
|
||||
}
|
||||
pipelineMap.remove(pipelineID);
|
||||
pipeline2container.remove(pipelineID);
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove container from a pipeline.
|
||||
*
|
||||
* @param pipelineID - PipelineID of the pipeline from which container needs
|
||||
* to be removed
|
||||
* @param containerID - ContainerID of the container to remove
|
||||
* @throws IOException if pipeline does not exist
|
||||
*/
|
||||
void removeContainerFromPipeline(PipelineID pipelineID,
|
||||
ContainerID containerID) throws IOException {
|
||||
Preconditions.checkNotNull(pipelineID,
|
||||
"Pipeline Id cannot be null");
|
||||
Preconditions.checkNotNull(containerID,
|
||||
"container Id cannot be null");
|
||||
|
||||
Pipeline pipeline = getPipeline(pipelineID);
|
||||
Set<ContainerID> containerIDs = pipeline2container.get(pipelineID);
|
||||
containerIDs.remove(containerID);
|
||||
if (containerIDs.size() == 0 && isClosingOrClosed(pipeline)) {
|
||||
removePipeline(pipelineID);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the state of pipeline.
|
||||
*
|
||||
* @param pipelineID - PipelineID of the pipeline whose state needs
|
||||
* to be updated
|
||||
* @param state - new state of the pipeline
|
||||
* @return Pipeline with the updated state
|
||||
* @throws IOException if pipeline does not exist
|
||||
*/
|
||||
Pipeline updatePipelineState(PipelineID pipelineID, LifeCycleState state)
|
||||
throws IOException {
|
||||
Preconditions.checkNotNull(pipelineID, "Pipeline Id cannot be null");
|
||||
Preconditions.checkNotNull(state, "Pipeline LifeCycleState cannot be null");
|
||||
|
||||
Pipeline pipeline = getPipeline(pipelineID);
|
||||
pipeline = pipelineMap
|
||||
.put(pipelineID, Pipeline.newBuilder(pipeline).setState(state).build());
|
||||
// TODO: Verify if need to throw exception for non-existent pipeline
|
||||
return pipeline;
|
||||
}
|
||||
|
||||
private boolean isClosingOrClosed(Pipeline pipeline) {
|
||||
LifeCycleState state = pipeline.getLifeCycleState();
|
||||
return state == LifeCycleState.CLOSING || state == LifeCycleState.CLOSED;
|
||||
}
|
||||
|
||||
private boolean isOpen(Pipeline pipeline) {
|
||||
return pipeline.getLifeCycleState() == LifeCycleState.OPEN;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,135 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeState;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState;
|
||||
import org.apache.hadoop.hdds.scm.ScmConfigKeys;
|
||||
import org.apache.hadoop.hdds.scm.container.placement.algorithms.ContainerPlacementPolicy;
|
||||
import org.apache.hadoop.hdds.scm.container.placement.algorithms.SCMContainerPlacementRandom;
|
||||
import org.apache.hadoop.hdds.scm.node.NodeManager;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.lang.reflect.Constructor;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Set;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
/**
|
||||
* Implements Api for creating ratis pipelines.
|
||||
*/
|
||||
public class RatisPipelineProvider implements PipelineProvider {
|
||||
|
||||
private final NodeManager nodeManager;
|
||||
private final PipelineStateManager stateManager;
|
||||
|
||||
RatisPipelineProvider(NodeManager nodeManager,
|
||||
PipelineStateManager stateManager) {
|
||||
this.nodeManager = nodeManager;
|
||||
this.stateManager = stateManager;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create pluggable container placement policy implementation instance.
|
||||
*
|
||||
* @param nodeManager - SCM node manager.
|
||||
* @param conf - configuration.
|
||||
* @return SCM container placement policy implementation instance.
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
// TODO: should we rename ContainerPlacementPolicy to PipelinePlacementPolicy?
|
||||
private static ContainerPlacementPolicy createContainerPlacementPolicy(
|
||||
final NodeManager nodeManager, final Configuration conf) {
|
||||
Class<? extends ContainerPlacementPolicy> implClass =
|
||||
(Class<? extends ContainerPlacementPolicy>) conf.getClass(
|
||||
ScmConfigKeys.OZONE_SCM_CONTAINER_PLACEMENT_IMPL_KEY,
|
||||
SCMContainerPlacementRandom.class);
|
||||
|
||||
try {
|
||||
Constructor<? extends ContainerPlacementPolicy> ctor =
|
||||
implClass.getDeclaredConstructor(NodeManager.class,
|
||||
Configuration.class);
|
||||
return ctor.newInstance(nodeManager, conf);
|
||||
} catch (RuntimeException e) {
|
||||
throw e;
|
||||
} catch (InvocationTargetException e) {
|
||||
throw new RuntimeException(implClass.getName()
|
||||
+ " could not be constructed.", e.getCause());
|
||||
} catch (Exception e) {
|
||||
// LOG.error("Unhandled exception occurred, Placement policy will not " +
|
||||
// "be functional.");
|
||||
throw new IllegalArgumentException("Unable to load " +
|
||||
"ContainerPlacementPolicy", e);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public Pipeline create(ReplicationFactor factor) throws IOException {
|
||||
// Get set of datanodes already used for ratis pipeline
|
||||
Set<DatanodeDetails> dnsUsed = new HashSet<>();
|
||||
stateManager.getPipelines(ReplicationType.RATIS)
|
||||
.forEach(p -> dnsUsed.addAll(p.getNodes()));
|
||||
|
||||
// Get list of healthy nodes
|
||||
List<DatanodeDetails> dns =
|
||||
nodeManager.getNodes(NodeState.HEALTHY)
|
||||
.parallelStream()
|
||||
.filter(dn -> !dnsUsed.contains(dn))
|
||||
.limit(factor.getNumber())
|
||||
.collect(Collectors.toList());
|
||||
if (dns.size() < factor.getNumber()) {
|
||||
String e = String
|
||||
.format("Cannot create pipeline of factor %d using %d nodes.",
|
||||
factor.getNumber(), dns.size());
|
||||
throw new IOException(e);
|
||||
}
|
||||
|
||||
return Pipeline.newBuilder()
|
||||
.setId(PipelineID.randomId())
|
||||
.setState(LifeCycleState.ALLOCATED)
|
||||
.setType(ReplicationType.RATIS)
|
||||
.setFactor(factor)
|
||||
.setNodes(dns)
|
||||
.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Pipeline create(List<DatanodeDetails> nodes) throws IOException {
|
||||
ReplicationFactor factor = ReplicationFactor.valueOf(nodes.size());
|
||||
if (factor == null) {
|
||||
throw new IOException(String
|
||||
.format("Nodes size=%d does not match any replication factor",
|
||||
nodes.size()));
|
||||
}
|
||||
return Pipeline.newBuilder()
|
||||
.setId(PipelineID.randomId())
|
||||
.setState(LifeCycleState.ALLOCATED)
|
||||
.setType(ReplicationType.RATIS)
|
||||
.setFactor(factor)
|
||||
.setNodes(nodes)
|
||||
.build();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,226 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleEvent;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
|
||||
import org.apache.hadoop.hdds.scm.container.ContainerID;
|
||||
import org.apache.hadoop.hdds.scm.node.NodeManager;
|
||||
import org.apache.hadoop.ozone.OzoneConsts;
|
||||
import org.apache.hadoop.utils.MetadataStore;
|
||||
import org.apache.hadoop.utils.MetadataStoreBuilder;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.locks.ReadWriteLock;
|
||||
import java.util.concurrent.locks.ReentrantReadWriteLock;
|
||||
|
||||
import static org.apache.hadoop.hdds.scm
|
||||
.ScmConfigKeys.OZONE_SCM_DB_CACHE_SIZE_DEFAULT;
|
||||
import static org.apache.hadoop.hdds.scm
|
||||
.ScmConfigKeys.OZONE_SCM_DB_CACHE_SIZE_MB;
|
||||
import static org.apache.hadoop.hdds.server.ServerUtils.getOzoneMetaDirPath;
|
||||
import static org.apache.hadoop.ozone.OzoneConsts.SCM_PIPELINE_DB;
|
||||
|
||||
/**
|
||||
* Implements api needed for management of pipelines. All the write operations
|
||||
* for pipelines must come via PipelineManager. It synchronises all write
|
||||
* and read operations via a ReadWriteLock.
|
||||
*/
|
||||
public class SCMPipelineManager implements PipelineManager {
|
||||
|
||||
private static final Logger LOG =
|
||||
LoggerFactory.getLogger(SCMPipelineManager.class);
|
||||
|
||||
private final ReadWriteLock lock;
|
||||
private final PipelineFactory pipelineFactory;
|
||||
private final PipelineStateManager stateManager;
|
||||
private final MetadataStore pipelineStore;
|
||||
|
||||
public SCMPipelineManager(Configuration conf, NodeManager nodeManager)
|
||||
throws IOException {
|
||||
this.lock = new ReentrantReadWriteLock();
|
||||
this.stateManager = new PipelineStateManager(conf);
|
||||
this.pipelineFactory = new PipelineFactory(nodeManager, stateManager);
|
||||
int cacheSize = conf.getInt(OZONE_SCM_DB_CACHE_SIZE_MB,
|
||||
OZONE_SCM_DB_CACHE_SIZE_DEFAULT);
|
||||
File metaDir = getOzoneMetaDirPath(conf);
|
||||
File pipelineDBPath = new File(metaDir, SCM_PIPELINE_DB);
|
||||
this.pipelineStore =
|
||||
MetadataStoreBuilder.newBuilder()
|
||||
.setConf(conf)
|
||||
.setDbFile(pipelineDBPath)
|
||||
.setCacheSize(cacheSize * OzoneConsts.MB)
|
||||
.build();
|
||||
|
||||
initializePipelineState();
|
||||
}
|
||||
|
||||
private void initializePipelineState() throws IOException {
|
||||
if (pipelineStore.isEmpty()) {
|
||||
LOG.info("No pipeline exists in current db");
|
||||
return;
|
||||
}
|
||||
List<Map.Entry<byte[], byte[]>> pipelines =
|
||||
pipelineStore.getSequentialRangeKVs(null, Integer.MAX_VALUE, null);
|
||||
|
||||
for (Map.Entry<byte[], byte[]> entry : pipelines) {
|
||||
Pipeline pipeline = Pipeline
|
||||
.fromProtobuf(HddsProtos.Pipeline.PARSER.parseFrom(entry.getValue()));
|
||||
Preconditions.checkNotNull(pipeline);
|
||||
stateManager.addPipeline(pipeline);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public synchronized Pipeline createPipeline(
|
||||
ReplicationType type, ReplicationFactor factor) throws IOException {
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
Pipeline pipeline = pipelineFactory.create(type, factor);
|
||||
stateManager.addPipeline(pipeline);
|
||||
try {
|
||||
pipelineStore.put(pipeline.getID().getProtobuf().toByteArray(),
|
||||
pipeline.getProtobufMessage().toByteArray());
|
||||
} catch (IOException ioe) {
|
||||
// if db operation fails we need to revert the pipeline creation in
|
||||
// state manager.
|
||||
stateManager.removePipeline(pipeline.getID());
|
||||
throw ioe;
|
||||
}
|
||||
return pipeline;
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Pipeline createPipeline(ReplicationType type,
|
||||
List<DatanodeDetails> nodes)
|
||||
throws IOException {
|
||||
// This will mostly be used to create dummy pipeline for SimplePipelines.
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
return pipelineFactory.create(type, nodes);
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Pipeline getPipeline(PipelineID pipelineID) throws IOException {
|
||||
lock.readLock().lock();
|
||||
try {
|
||||
return stateManager.getPipeline(pipelineID);
|
||||
} finally {
|
||||
lock.readLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void addContainerToPipeline(PipelineID pipelineID,
|
||||
ContainerID containerID) throws IOException {
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
stateManager.addContainerToPipeline(pipelineID, containerID);
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeContainerFromPipeline(PipelineID pipelineID,
|
||||
ContainerID containerID) throws IOException {
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
stateManager.removeContainerFromPipeline(pipelineID, containerID);
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Set<ContainerID> getContainersInPipeline(PipelineID pipelineID)
|
||||
throws IOException {
|
||||
lock.readLock().lock();
|
||||
try {
|
||||
return stateManager.getContainers(pipelineID);
|
||||
} finally {
|
||||
lock.readLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void finalizePipeline(PipelineID pipelineId) throws IOException {
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
//TODO: close all containers in this pipeline
|
||||
Pipeline pipeline =
|
||||
stateManager.updatePipelineState(pipelineId, LifeCycleEvent.FINALIZE);
|
||||
pipelineStore.put(pipeline.getID().getProtobuf().toByteArray(),
|
||||
pipeline.getProtobufMessage().toByteArray());
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void closePipeline(PipelineID pipelineId) throws IOException {
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
Pipeline pipeline =
|
||||
stateManager.updatePipelineState(pipelineId, LifeCycleEvent.CLOSE);
|
||||
pipelineStore.put(pipeline.getID().getProtobuf().toByteArray(),
|
||||
pipeline.getProtobufMessage().toByteArray());
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removePipeline(PipelineID pipelineID) throws IOException {
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
stateManager.removePipeline(pipelineID);
|
||||
pipelineStore.delete(pipelineID.getProtobuf().toByteArray());
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void close() throws IOException {
|
||||
lock.writeLock().lock();
|
||||
try {
|
||||
stateManager.close();
|
||||
} finally {
|
||||
lock.writeLock().unlock();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
|
||||
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeState;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState;
|
||||
import org.apache.hadoop.hdds.scm.node.NodeManager;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Implements Api for creating stand alone pipelines.
|
||||
*/
|
||||
public class SimplePipelineProvider implements PipelineProvider {
|
||||
|
||||
private final NodeManager nodeManager;
|
||||
|
||||
public SimplePipelineProvider(NodeManager nodeManager) {
|
||||
this.nodeManager = nodeManager;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Pipeline create(ReplicationFactor factor) throws IOException {
|
||||
List<DatanodeDetails> dns =
|
||||
nodeManager.getNodes(NodeState.HEALTHY);
|
||||
if (dns.size() < factor.getNumber()) {
|
||||
String e = String
|
||||
.format("Cannot create pipeline of factor %d using %d nodes.",
|
||||
factor.getNumber(), dns.size());
|
||||
throw new IOException(e);
|
||||
}
|
||||
|
||||
Collections.shuffle(dns);
|
||||
return Pipeline.newBuilder()
|
||||
.setId(PipelineID.randomId())
|
||||
.setState(LifeCycleState.ALLOCATED)
|
||||
.setType(ReplicationType.STAND_ALONE)
|
||||
.setFactor(factor)
|
||||
.setNodes(dns.subList(0, factor.getNumber()))
|
||||
.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Pipeline create(List<DatanodeDetails> nodes) throws IOException {
|
||||
ReplicationFactor factor = ReplicationFactor.valueOf(nodes.size());
|
||||
if (factor == null) {
|
||||
throw new IOException(String
|
||||
.format("Nodes size=%d does not match any replication factor",
|
||||
nodes.size()));
|
||||
}
|
||||
return Pipeline.newBuilder()
|
||||
.setId(PipelineID.randomId())
|
||||
.setState(LifeCycleState.ALLOCATED)
|
||||
.setType(ReplicationType.STAND_ALONE)
|
||||
.setFactor(factor)
|
||||
.setNodes(nodes)
|
||||
.build();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
/**
|
||||
Ozone supports the notion of different kind of pipelines.
|
||||
That means that we can have a replication pipeline build on
|
||||
Ratis, Simple or some other protocol. All Pipeline managers
|
||||
the entities in charge of pipelines reside in the package.
|
||||
*/
|
||||
|
|
@ -0,0 +1,246 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
|
||||
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
|
||||
import org.apache.hadoop.hdds.scm.TestUtils;
|
||||
import org.apache.hadoop.hdds.scm.container.ContainerID;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Set;
|
||||
|
||||
/**
|
||||
* Test for PipelineStateManager.
|
||||
*/
|
||||
public class TestPipelineStateManager {
|
||||
|
||||
private PipelineStateManager stateManager;
|
||||
|
||||
@Before
|
||||
public void init() throws Exception {
|
||||
Configuration conf = new OzoneConfiguration();
|
||||
stateManager = new PipelineStateManager(conf);
|
||||
}
|
||||
|
||||
private Pipeline createDummyPipeline(int numNodes) {
|
||||
List<DatanodeDetails> nodes = new ArrayList<>();
|
||||
for (int i = 0; i < numNodes; i++) {
|
||||
nodes.add(TestUtils.randomDatanodeDetails());
|
||||
}
|
||||
return Pipeline.newBuilder()
|
||||
.setType(HddsProtos.ReplicationType.RATIS)
|
||||
.setFactor(HddsProtos.ReplicationFactor.ONE)
|
||||
.setNodes(nodes)
|
||||
.setState(HddsProtos.LifeCycleState.ALLOCATED)
|
||||
.setId(PipelineID.randomId())
|
||||
.build();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAddAndGetPipeline() throws IOException {
|
||||
Pipeline pipeline = createDummyPipeline(0);
|
||||
try {
|
||||
stateManager.addPipeline(pipeline);
|
||||
Assert.fail("Pipeline should not have been added");
|
||||
} catch (IllegalArgumentException e) {
|
||||
// replication factor and number of nodes in the pipeline do not match
|
||||
Assert.assertTrue(e.getMessage().contains("do not match"));
|
||||
}
|
||||
|
||||
// add a pipeline
|
||||
pipeline = createDummyPipeline(1);
|
||||
stateManager.addPipeline(pipeline);
|
||||
|
||||
try {
|
||||
stateManager.addPipeline(pipeline);
|
||||
Assert.fail("Pipeline should not have been added");
|
||||
} catch (IOException e) {
|
||||
// Can not add a pipeline twice
|
||||
Assert.assertTrue(e.getMessage().contains("Duplicate pipeline ID"));
|
||||
}
|
||||
|
||||
// verify pipeline returned is same
|
||||
Pipeline pipeline1 = stateManager.getPipeline(pipeline.getID());
|
||||
Assert.assertTrue(pipeline == pipeline1);
|
||||
|
||||
// clean up
|
||||
stateManager.removePipeline(pipeline1.getID());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetPipelines() throws IOException {
|
||||
Set<Pipeline> pipelines = new HashSet<>();
|
||||
Pipeline pipeline = createDummyPipeline(1);
|
||||
pipelines.add(pipeline);
|
||||
stateManager.addPipeline(pipeline);
|
||||
pipeline = createDummyPipeline(1);
|
||||
pipelines.add(pipeline);
|
||||
stateManager.addPipeline(pipeline);
|
||||
|
||||
Set<Pipeline> pipelines1 = new HashSet<>(stateManager.getPipelines(
|
||||
HddsProtos.ReplicationType.RATIS));
|
||||
Assert.assertEquals(pipelines, pipelines1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAddAndGetContainer() throws IOException {
|
||||
long containerID = 0;
|
||||
Pipeline pipeline = createDummyPipeline(1);
|
||||
stateManager.addPipeline(pipeline);
|
||||
pipeline = stateManager.getPipeline(pipeline.getID());
|
||||
|
||||
try {
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(++containerID));
|
||||
Assert.fail("Container should not have been added");
|
||||
} catch (IOException e) {
|
||||
// add container possible only in container with open state
|
||||
Assert.assertTrue(e.getMessage().contains("is not in open state"));
|
||||
}
|
||||
|
||||
// move pipeline to open state
|
||||
updateEvents(pipeline.getID(), HddsProtos.LifeCycleEvent.CREATE,
|
||||
HddsProtos.LifeCycleEvent.CREATED);
|
||||
|
||||
// add three containers
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(containerID));
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(++containerID));
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(++containerID));
|
||||
|
||||
//verify the number of containers returned
|
||||
Set<ContainerID> containerIDs =
|
||||
stateManager.getContainers(pipeline.getID());
|
||||
Assert.assertEquals(containerIDs.size(), containerID);
|
||||
|
||||
removePipeline(pipeline);
|
||||
try {
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(++containerID));
|
||||
Assert.fail("Container should not have been added");
|
||||
} catch (IOException e) {
|
||||
// Can not add a container to removed pipeline
|
||||
Assert.assertTrue(e.getMessage().contains("not found"));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRemovePipeline() throws IOException {
|
||||
Pipeline pipeline = createDummyPipeline(1);
|
||||
stateManager.addPipeline(pipeline);
|
||||
updateEvents(pipeline.getID(), HddsProtos.LifeCycleEvent.CREATE,
|
||||
HddsProtos.LifeCycleEvent.CREATED);
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(1));
|
||||
|
||||
try {
|
||||
stateManager.removePipeline(pipeline.getID());
|
||||
Assert.fail("Pipeline should not have been removed");
|
||||
} catch (IOException e) {
|
||||
// can not remove a pipeline which already has containers
|
||||
Assert.assertTrue(e.getMessage().contains("not empty"));
|
||||
}
|
||||
|
||||
// remove containers and then remove the pipeline
|
||||
removePipeline(pipeline);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRemoveContainer() throws IOException {
|
||||
long containerID = 1;
|
||||
Pipeline pipeline = createDummyPipeline(1);
|
||||
// create an open pipeline in stateMap
|
||||
stateManager.addPipeline(pipeline);
|
||||
updateEvents(pipeline.getID(), HddsProtos.LifeCycleEvent.CREATE,
|
||||
HddsProtos.LifeCycleEvent.CREATED);
|
||||
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(containerID));
|
||||
stateManager
|
||||
.removeContainerFromPipeline(pipeline.getID(), ContainerID.valueof(containerID));
|
||||
// removeContainerFromPipeline in open pipeline does not lead to removal of pipeline
|
||||
Assert.assertNotNull(stateManager.getPipeline(pipeline.getID()));
|
||||
|
||||
// add two containers in the pipeline
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(++containerID));
|
||||
stateManager
|
||||
.addContainerToPipeline(pipeline.getID(), ContainerID.valueof(++containerID));
|
||||
|
||||
// move pipeline to closing state
|
||||
updateEvents(pipeline.getID(), HddsProtos.LifeCycleEvent.FINALIZE);
|
||||
|
||||
stateManager
|
||||
.removeContainerFromPipeline(pipeline.getID(), ContainerID.valueof(containerID));
|
||||
// removal of second last container in closing or closed pipeline should
|
||||
// not lead to removal of pipeline
|
||||
Assert.assertNotNull(stateManager.getPipeline(pipeline.getID()));
|
||||
stateManager
|
||||
.removeContainerFromPipeline(pipeline.getID(), ContainerID.valueof(--containerID));
|
||||
// removal of last container in closing or closed pipeline should lead to
|
||||
// removal of pipeline
|
||||
try {
|
||||
stateManager.getPipeline(pipeline.getID());
|
||||
Assert.fail("getPipeline should have failed.");
|
||||
} catch (IOException e) {
|
||||
Assert.assertTrue(e.getMessage().contains(" not found"));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testUpdatePipelineState() throws IOException {
|
||||
Pipeline pipeline = createDummyPipeline(1);
|
||||
stateManager.addPipeline(pipeline);
|
||||
updateEvents(pipeline.getID(), HddsProtos.LifeCycleEvent.CREATE,
|
||||
HddsProtos.LifeCycleEvent.CREATED, HddsProtos.LifeCycleEvent.FINALIZE,
|
||||
HddsProtos.LifeCycleEvent.CLOSE);
|
||||
|
||||
pipeline = createDummyPipeline(1);
|
||||
stateManager.addPipeline(pipeline);
|
||||
updateEvents(pipeline.getID(), HddsProtos.LifeCycleEvent.CREATE,
|
||||
HddsProtos.LifeCycleEvent.TIMEOUT);
|
||||
}
|
||||
|
||||
private void updateEvents(PipelineID pipelineID,
|
||||
HddsProtos.LifeCycleEvent... events) throws IOException {
|
||||
for (HddsProtos.LifeCycleEvent event : events) {
|
||||
stateManager.updatePipelineState(pipelineID, event);
|
||||
}
|
||||
}
|
||||
|
||||
private void removePipeline(Pipeline pipeline) throws IOException {
|
||||
Set<ContainerID> containerIDs =
|
||||
stateManager.getContainers(pipeline.getID());
|
||||
for (ContainerID containerID : containerIDs) {
|
||||
stateManager.removeContainerFromPipeline(pipeline.getID(), containerID);
|
||||
}
|
||||
stateManager.removePipeline(pipeline.getID());
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,104 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
|
||||
import org.apache.commons.collections.CollectionUtils;
|
||||
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
|
||||
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
|
||||
import org.apache.hadoop.hdds.scm.TestUtils;
|
||||
import org.apache.hadoop.hdds.scm.container.MockNodeManager;
|
||||
import org.apache.hadoop.hdds.scm.node.NodeManager;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Test for RatisPipelineProvider.
|
||||
*/
|
||||
public class TestRatisPipelineProvider {
|
||||
|
||||
private NodeManager nodeManager;
|
||||
private PipelineProvider provider;
|
||||
private PipelineStateManager stateManager;
|
||||
|
||||
@Before
|
||||
public void init() throws Exception {
|
||||
nodeManager = new MockNodeManager(true, 10);
|
||||
stateManager = new PipelineStateManager(new OzoneConfiguration());
|
||||
provider = new RatisPipelineProvider(nodeManager,
|
||||
stateManager);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreatePipelineWithFactor() throws IOException {
|
||||
HddsProtos.ReplicationFactor factor = HddsProtos.ReplicationFactor.THREE;
|
||||
Pipeline pipeline = provider.create(factor);
|
||||
stateManager.addPipeline(pipeline);
|
||||
Assert.assertEquals(pipeline.getType(), HddsProtos.ReplicationType.RATIS);
|
||||
Assert.assertEquals(pipeline.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline.getNodes().size(), factor.getNumber());
|
||||
|
||||
factor = HddsProtos.ReplicationFactor.ONE;
|
||||
Pipeline pipeline1 = provider.create(factor);
|
||||
stateManager.addPipeline(pipeline1);
|
||||
// New pipeline should not overlap with the previous created pipeline
|
||||
Assert.assertTrue(
|
||||
CollectionUtils.intersection(pipeline.getNodes(), pipeline1.getNodes())
|
||||
.isEmpty());
|
||||
Assert.assertEquals(pipeline1.getType(), HddsProtos.ReplicationType.RATIS);
|
||||
Assert.assertEquals(pipeline1.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline1.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline1.getNodes().size(), factor.getNumber());
|
||||
}
|
||||
|
||||
private List<DatanodeDetails> createListOfNodes(int nodeCount) {
|
||||
List<DatanodeDetails> nodes = new ArrayList<>();
|
||||
for (int i = 0; i < nodeCount; i++) {
|
||||
nodes.add(TestUtils.randomDatanodeDetails());
|
||||
}
|
||||
return nodes;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreatePipelineWithNodes() throws IOException {
|
||||
HddsProtos.ReplicationFactor factor = HddsProtos.ReplicationFactor.THREE;
|
||||
Pipeline pipeline = provider.create(createListOfNodes(factor.getNumber()));
|
||||
Assert.assertEquals(pipeline.getType(), HddsProtos.ReplicationType.RATIS);
|
||||
Assert.assertEquals(pipeline.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline.getNodes().size(), factor.getNumber());
|
||||
|
||||
factor = HddsProtos.ReplicationFactor.ONE;
|
||||
pipeline = provider.create(createListOfNodes(factor.getNumber()));
|
||||
Assert.assertEquals(pipeline.getType(), HddsProtos.ReplicationType.RATIS);
|
||||
Assert.assertEquals(pipeline.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline.getNodes().size(), factor.getNumber());
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,102 @@
|
|||
/**
|
||||
* 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.hadoop.hdds.scm.pipeline;
|
||||
|
||||
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
|
||||
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
|
||||
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
|
||||
import org.apache.hadoop.hdds.scm.TestUtils;
|
||||
import org.apache.hadoop.hdds.scm.container.MockNodeManager;
|
||||
import org.apache.hadoop.hdds.scm.node.NodeManager;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Test for SimplePipelineProvider.
|
||||
*/
|
||||
public class TestSimplePipelineProvider {
|
||||
|
||||
private NodeManager nodeManager;
|
||||
private PipelineProvider provider;
|
||||
private PipelineStateManager stateManager;
|
||||
|
||||
@Before
|
||||
public void init() throws Exception {
|
||||
nodeManager = new MockNodeManager(true, 10);
|
||||
stateManager = new PipelineStateManager(new OzoneConfiguration());
|
||||
provider = new SimplePipelineProvider(nodeManager);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreatePipelineWithFactor() throws IOException {
|
||||
HddsProtos.ReplicationFactor factor = HddsProtos.ReplicationFactor.THREE;
|
||||
Pipeline pipeline = provider.create(factor);
|
||||
stateManager.addPipeline(pipeline);
|
||||
Assert.assertEquals(pipeline.getType(),
|
||||
HddsProtos.ReplicationType.STAND_ALONE);
|
||||
Assert.assertEquals(pipeline.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline.getNodes().size(), factor.getNumber());
|
||||
|
||||
factor = HddsProtos.ReplicationFactor.ONE;
|
||||
Pipeline pipeline1 = provider.create(factor);
|
||||
stateManager.addPipeline(pipeline1);
|
||||
Assert.assertEquals(pipeline1.getType(),
|
||||
HddsProtos.ReplicationType.STAND_ALONE);
|
||||
Assert.assertEquals(pipeline1.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline1.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline1.getNodes().size(), factor.getNumber());
|
||||
}
|
||||
|
||||
private List<DatanodeDetails> createListOfNodes(int nodeCount) {
|
||||
List<DatanodeDetails> nodes = new ArrayList<>();
|
||||
for (int i = 0; i < nodeCount; i++) {
|
||||
nodes.add(TestUtils.randomDatanodeDetails());
|
||||
}
|
||||
return nodes;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreatePipelineWithNodes() throws IOException {
|
||||
HddsProtos.ReplicationFactor factor = HddsProtos.ReplicationFactor.THREE;
|
||||
Pipeline pipeline = provider.create(createListOfNodes(factor.getNumber()));
|
||||
Assert.assertEquals(pipeline.getType(),
|
||||
HddsProtos.ReplicationType.STAND_ALONE);
|
||||
Assert.assertEquals(pipeline.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline.getNodes().size(), factor.getNumber());
|
||||
|
||||
factor = HddsProtos.ReplicationFactor.ONE;
|
||||
pipeline = provider.create(createListOfNodes(factor.getNumber()));
|
||||
Assert.assertEquals(pipeline.getType(),
|
||||
HddsProtos.ReplicationType.STAND_ALONE);
|
||||
Assert.assertEquals(pipeline.getFactor(), factor);
|
||||
Assert.assertEquals(pipeline.getLifeCycleState(),
|
||||
HddsProtos.LifeCycleState.ALLOCATED);
|
||||
Assert.assertEquals(pipeline.getNodes().size(), factor.getNumber());
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue