HDDS-400. Check global replication state for containers of dead node. Contributed by Elek, Marton.
This commit is contained in:
parent
fd792ce54d
commit
25ec339af5
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@ -15,7 +15,6 @@
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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.container;
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import java.io.IOException;
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@ -23,18 +22,16 @@ import java.util.Set;
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import java.util.stream.Collectors;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.protocol.proto
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.StorageContainerDatanodeProtocolProtos.ContainerReportsProto;
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import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos;
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import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.ContainerReportsProto;
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import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo;
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import org.apache.hadoop.hdds.scm.container.replication
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.ReplicationActivityStatus;
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import org.apache.hadoop.hdds.scm.container.replication.ReplicationActivityStatus;
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import org.apache.hadoop.hdds.scm.container.replication.ReplicationRequest;
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import org.apache.hadoop.hdds.scm.events.SCMEvents;
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import org.apache.hadoop.hdds.scm.exceptions.SCMException;
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import org.apache.hadoop.hdds.scm.node.states.Node2ContainerMap;
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import org.apache.hadoop.hdds.scm.node.states.ReportResult;
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import org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher
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.ContainerReportFromDatanode;
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import org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher.ContainerReportFromDatanode;
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import org.apache.hadoop.hdds.server.events.EventHandler;
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import org.apache.hadoop.hdds.server.events.EventPublisher;
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@ -59,16 +56,15 @@ public class ContainerReportHandler implements
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private ReplicationActivityStatus replicationStatus;
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public ContainerReportHandler(Mapping containerMapping,
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Node2ContainerMap node2ContainerMap,
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ReplicationActivityStatus replicationActivityStatus) {
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Preconditions.checkNotNull(containerMapping);
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Preconditions.checkNotNull(node2ContainerMap);
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Preconditions.checkNotNull(replicationActivityStatus);
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this.containerStateManager = containerMapping.getStateManager();
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this.containerMapping = containerMapping;
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this.node2ContainerMap = node2ContainerMap;
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this.containerStateManager = containerMapping.getStateManager();
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this.replicationStatus = replicationActivityStatus;
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}
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@ -88,7 +84,8 @@ public class ContainerReportHandler implements
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.processContainerReports(datanodeOrigin, containerReport, false);
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Set<ContainerID> containerIds = containerReport.getReportsList().stream()
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.map(containerProto -> containerProto.getContainerID())
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.map(StorageContainerDatanodeProtocolProtos
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.ContainerInfo::getContainerID)
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.map(ContainerID::new)
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.collect(Collectors.toSet());
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@ -102,13 +99,12 @@ public class ContainerReportHandler implements
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for (ContainerID containerID : reportResult.getMissingContainers()) {
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containerStateManager
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.removeContainerReplica(containerID, datanodeOrigin);
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emitReplicationRequestEvent(containerID, publisher);
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checkReplicationState(containerID, publisher);
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}
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for (ContainerID containerID : reportResult.getNewContainers()) {
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containerStateManager.addContainerReplica(containerID, datanodeOrigin);
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emitReplicationRequestEvent(containerID, publisher);
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checkReplicationState(containerID, publisher);
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}
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} catch (IOException e) {
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@ -119,8 +115,9 @@ public class ContainerReportHandler implements
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}
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private void emitReplicationRequestEvent(ContainerID containerID,
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EventPublisher publisher) throws SCMException {
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private void checkReplicationState(ContainerID containerID,
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EventPublisher publisher)
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throws SCMException {
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ContainerInfo container = containerStateManager.getContainer(containerID);
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if (container == null) {
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@ -134,18 +131,18 @@ public class ContainerReportHandler implements
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if (container.isContainerOpen()) {
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return;
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}
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ReplicationRequest replicationState =
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containerStateManager.checkReplicationState(containerID);
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if (replicationState != null) {
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if (replicationStatus.isReplicationEnabled()) {
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int existingReplicas =
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containerStateManager.getContainerReplicas(containerID).size();
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int expectedReplicas = container.getReplicationFactor().getNumber();
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if (existingReplicas != expectedReplicas) {
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publisher.fireEvent(SCMEvents.REPLICATE_CONTAINER,
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new ReplicationRequest(containerID.getId(), existingReplicas,
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container.getReplicationFactor().getNumber()));
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replicationState);
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} else {
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LOG.warn(
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"Over/under replicated container but the replication is not "
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+ "(yet) enabled: "
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+ replicationState.toString());
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}
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}
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@ -19,6 +19,7 @@ package org.apache.hadoop.hdds.scm.container;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.base.Preconditions;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.conf.StorageUnit;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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@ -27,6 +28,7 @@ import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerWithPipeline
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import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo;
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import org.apache.hadoop.hdds.scm.container.common.helpers.Pipeline;
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import org.apache.hadoop.hdds.scm.container.common.helpers.PipelineID;
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import org.apache.hadoop.hdds.scm.container.replication.ReplicationRequest;
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import org.apache.hadoop.hdds.scm.container.states.ContainerState;
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import org.apache.hadoop.hdds.scm.container.states.ContainerStateMap;
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import org.apache.hadoop.hdds.scm.exceptions.SCMException;
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@ -40,6 +42,7 @@ import org.apache.hadoop.ozone.common.statemachine
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.InvalidStateTransitionException;
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import org.apache.hadoop.ozone.common.statemachine.StateMachine;
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import org.apache.hadoop.util.Time;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@ -148,7 +151,7 @@ public class ContainerStateManager implements Closeable {
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finalStates);
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initializeStateMachine();
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this.containerSize =(long)configuration.getStorageSize(
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this.containerSize = (long) configuration.getStorageSize(
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ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE,
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ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE_DEFAULT,
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StorageUnit.BYTES);
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@ -399,7 +402,7 @@ public class ContainerStateManager implements Closeable {
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// container ID.
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ContainerState key = new ContainerState(owner, type, factor);
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ContainerID lastID = lastUsedMap.get(key);
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if(lastID == null) {
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if (lastID == null) {
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lastID = matchingSet.first();
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}
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@ -426,7 +429,7 @@ public class ContainerStateManager implements Closeable {
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selectedContainer = findContainerWithSpace(size, resultSet, owner);
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}
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// Update the allocated Bytes on this container.
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if(selectedContainer != null) {
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if (selectedContainer != null) {
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selectedContainer.updateAllocatedBytes(size);
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}
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return selectedContainer;
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@ -540,8 +543,35 @@ public class ContainerStateManager implements Closeable {
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return containers.removeContainerReplica(containerID, dn);
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}
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/**
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* Compare the existing replication number with the expected one.
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*/
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public ReplicationRequest checkReplicationState(ContainerID containerID)
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throws SCMException {
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int existingReplicas = getContainerReplicas(containerID).size();
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int expectedReplicas = getContainer(containerID)
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.getReplicationFactor().getNumber();
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if (existingReplicas != expectedReplicas) {
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return new ReplicationRequest(containerID.getId(), existingReplicas,
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expectedReplicas);
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}
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return null;
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}
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/**
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* Checks if the container is open.
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*/
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public boolean isOpen(ContainerID containerID) {
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Preconditions.checkNotNull(containerID);
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ContainerInfo container = Preconditions
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.checkNotNull(getContainer(containerID),
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"Container can't be found " + containerID);
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return container.isContainerOpen();
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}
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@VisibleForTesting
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public ContainerStateMap getContainerStateMap() {
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return containers;
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}
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}
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@ -23,6 +23,8 @@ import java.util.Set;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.scm.container.ContainerID;
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import org.apache.hadoop.hdds.scm.container.ContainerStateManager;
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import org.apache.hadoop.hdds.scm.container.replication.ReplicationRequest;
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import org.apache.hadoop.hdds.scm.events.SCMEvents;
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import org.apache.hadoop.hdds.scm.exceptions.SCMException;
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import org.apache.hadoop.hdds.scm.node.states.Node2ContainerMap;
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import org.apache.hadoop.hdds.server.events.EventHandler;
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@ -62,6 +64,16 @@ public class DeadNodeHandler implements EventHandler<DatanodeDetails> {
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try {
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containerStateManager.removeContainerReplica(container,
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datanodeDetails);
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if (!containerStateManager.isOpen(container)) {
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ReplicationRequest replicationRequest =
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containerStateManager.checkReplicationState(container);
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if (replicationRequest != null) {
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publisher.fireEvent(SCMEvents.REPLICATE_CONTAINER,
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replicationRequest);
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}
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}
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} catch (SCMException e) {
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LOG.error("Can't remove container from containerStateMap {}", container
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.getId(), e);
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@ -17,6 +17,11 @@
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package org.apache.hadoop.hdds.scm;
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import com.google.common.base.Preconditions;
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import org.mockito.Mockito;
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import static org.mockito.Mockito.when;
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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
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.StorageContainerDatanodeProtocolProtos.ContainerInfo;
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import org.apache.hadoop.hdds.protocol.proto
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.StorageContainerDatanodeProtocolProtos.StorageReportProto;
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import org.apache.hadoop.hdds.protocol.proto
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.StorageContainerDatanodeProtocolProtos.StorageTypeProto;
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import org.apache.hadoop.hdds.scm.container.ContainerStateManager;
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import org.apache.hadoop.hdds.scm.container.common.helpers.Pipeline;
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import org.apache.hadoop.hdds.scm.container.common.helpers.PipelineID;
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import org.apache.hadoop.hdds.scm.exceptions.SCMException;
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import org.apache.hadoop.hdds.scm.node.SCMNodeManager;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.scm.pipelines.PipelineSelector;
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import org.apache.hadoop.ozone.OzoneConsts;
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import org.apache.hadoop.ozone.protocol.commands.RegisteredCommand;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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@ -376,5 +387,39 @@ public final class TestUtils {
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return report.build();
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}
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public static
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org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo
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allocateContainer(ContainerStateManager containerStateManager)
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throws IOException {
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PipelineSelector pipelineSelector = Mockito.mock(PipelineSelector.class);
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Pipeline pipeline = new Pipeline("leader", HddsProtos.LifeCycleState.CLOSED,
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HddsProtos.ReplicationType.STAND_ALONE,
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HddsProtos.ReplicationFactor.THREE,
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PipelineID.randomId());
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when(pipelineSelector
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.getReplicationPipeline(HddsProtos.ReplicationType.STAND_ALONE,
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HddsProtos.ReplicationFactor.THREE)).thenReturn(pipeline);
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return containerStateManager
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.allocateContainer(pipelineSelector,
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HddsProtos.ReplicationType.STAND_ALONE,
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HddsProtos.ReplicationFactor.THREE, "root").getContainerInfo();
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}
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public static void closeContainer(ContainerStateManager containerStateManager,
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org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo
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container)
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throws SCMException {
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containerStateManager.getContainerStateMap()
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.updateState(container, container.getState(), LifeCycleState.CLOSING);
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containerStateManager.getContainerStateMap()
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.updateState(container, container.getState(), LifeCycleState.CLOSED);
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}
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}
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@ -71,9 +71,7 @@ public class TestContainerReportHandler implements EventPublisher {
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@Test
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public void test() throws IOException {
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//given
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//GIVEN
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OzoneConfiguration conf = new OzoneConfiguration();
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Node2ContainerMap node2ContainerMap = new Node2ContainerMap();
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Mapping mapping = Mockito.mock(Mapping.class);
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@ -133,19 +131,9 @@ public class TestContainerReportHandler implements EventPublisher {
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long c3 = cont3.getContainerID();
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// Close remaining containers
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try {
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containerStateManager.getContainerStateMap()
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.updateState(cont1, cont1.getState(), LifeCycleState.CLOSING);
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containerStateManager.getContainerStateMap()
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.updateState(cont1, cont1.getState(), LifeCycleState.CLOSED);
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containerStateManager.getContainerStateMap()
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.updateState(cont2, cont2.getState(), LifeCycleState.CLOSING);
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containerStateManager.getContainerStateMap()
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.updateState(cont2, cont2.getState(), LifeCycleState.CLOSED);
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TestUtils.closeContainer(containerStateManager, cont1);
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TestUtils.closeContainer(containerStateManager, cont2);
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} catch (IOException e) {
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LOG.info("Failed to change state of open containers.", e);
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}
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//when
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//initial reports before replication is enabled. 2 containers w 3 replicas.
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@ -0,0 +1,96 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with this
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* work for additional information regarding copyright ownership. The ASF
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* licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package org.apache.hadoop.hdds.scm.container;
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import java.io.IOException;
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import org.apache.hadoop.hdds.conf.OzoneConfiguration;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.scm.TestUtils;
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import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo;
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import org.apache.hadoop.hdds.scm.container.replication.ReplicationRequest;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import org.mockito.Mockito;
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/**
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* Testing ContainerStatemanager.
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*/
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public class TestContainerStateManager {
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private ContainerStateManager containerStateManager;
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@Before
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public void init() throws IOException {
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OzoneConfiguration conf = new OzoneConfiguration();
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Mapping mapping = Mockito.mock(Mapping.class);
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containerStateManager = new ContainerStateManager(conf, mapping);
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}
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@Test
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public void checkReplicationStateOK() throws IOException {
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//GIVEN
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ContainerInfo c1 = TestUtils.allocateContainer(containerStateManager);
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DatanodeDetails d1 = TestUtils.randomDatanodeDetails();
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DatanodeDetails d2 = TestUtils.randomDatanodeDetails();
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DatanodeDetails d3 = TestUtils.randomDatanodeDetails();
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addReplica(c1, d1);
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addReplica(c1, d2);
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addReplica(c1, d3);
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//WHEN
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ReplicationRequest replicationRequest = containerStateManager
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.checkReplicationState(new ContainerID(c1.getContainerID()));
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//THEN
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Assert.assertNull(replicationRequest);
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}
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@Test
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public void checkReplicationStateMissingReplica() throws IOException {
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//GIVEN
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ContainerInfo c1 = TestUtils.allocateContainer(containerStateManager);
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DatanodeDetails d1 = TestUtils.randomDatanodeDetails();
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DatanodeDetails d2 = TestUtils.randomDatanodeDetails();
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addReplica(c1, d1);
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addReplica(c1, d2);
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//WHEN
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ReplicationRequest replicationRequest = containerStateManager
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.checkReplicationState(new ContainerID(c1.getContainerID()));
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Assert
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.assertEquals(c1.getContainerID(), replicationRequest.getContainerId());
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Assert.assertEquals(2, replicationRequest.getReplicationCount());
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Assert.assertEquals(3, replicationRequest.getExpecReplicationCount());
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}
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private void addReplica(ContainerInfo c1, DatanodeDetails d1) {
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containerStateManager
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.addContainerReplica(new ContainerID(c1.getContainerID()), d1);
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}
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}
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@ -18,76 +18,76 @@
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package org.apache.hadoop.hdds.scm.node;
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import java.util.HashSet;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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import org.apache.hadoop.hdds.conf.OzoneConfiguration;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.protocol.proto
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.StorageContainerDatanodeProtocolProtos.ContainerInfo;
|
||||
import org.apache.hadoop.hdds.scm.TestUtils;
|
||||
import org.apache.hadoop.hdds.scm.container.ContainerID;
|
||||
import org.apache.hadoop.hdds.scm.container.ContainerStateManager;
|
||||
import org.apache.hadoop.hdds.scm.container.Mapping;
|
||||
import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo;
|
||||
import org.apache.hadoop.hdds.scm.container.replication.ReplicationRequest;
|
||||
import org.apache.hadoop.hdds.scm.events.SCMEvents;
|
||||
import org.apache.hadoop.hdds.scm.exceptions.SCMException;
|
||||
import org.apache.hadoop.hdds.scm.node.states.Node2ContainerMap;
|
||||
import org.apache.hadoop.hdds.server.events.EventPublisher;
|
||||
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
import org.mockito.ArgumentCaptor;
|
||||
import static org.mockito.Matchers.eq;
|
||||
import org.mockito.Mockito;
|
||||
|
||||
/**
|
||||
* Test DeadNodeHandler.
|
||||
*/
|
||||
public class TestDeadNodeHandler {
|
||||
|
||||
private List<ReplicationRequest> sentEvents = new ArrayList<>();
|
||||
|
||||
@Test
|
||||
public void testOnMessage() throws SCMException {
|
||||
public void testOnMessage() throws IOException {
|
||||
//GIVEN
|
||||
DatanodeDetails datanode1 = TestUtils.randomDatanodeDetails();
|
||||
DatanodeDetails datanode2 = TestUtils.randomDatanodeDetails();
|
||||
|
||||
ContainerInfo container1 = TestUtils.getRandomContainerInfo(1);
|
||||
ContainerInfo container2 = TestUtils.getRandomContainerInfo(2);
|
||||
ContainerInfo container3 = TestUtils.getRandomContainerInfo(3);
|
||||
|
||||
Node2ContainerMap node2ContainerMap = new Node2ContainerMap();
|
||||
ContainerStateManager containerStateManager = new ContainerStateManager(
|
||||
new OzoneConfiguration(),
|
||||
Mockito.mock(Mapping.class)
|
||||
);
|
||||
|
||||
ContainerInfo container1 =
|
||||
TestUtils.allocateContainer(containerStateManager);
|
||||
ContainerInfo container2 =
|
||||
TestUtils.allocateContainer(containerStateManager);
|
||||
ContainerInfo container3 =
|
||||
TestUtils.allocateContainer(containerStateManager);
|
||||
|
||||
DeadNodeHandler handler =
|
||||
new DeadNodeHandler(node2ContainerMap, containerStateManager);
|
||||
|
||||
node2ContainerMap
|
||||
.insertNewDatanode(datanode1.getUuid(), new HashSet<ContainerID>() {{
|
||||
add(new ContainerID(container1.getContainerID()));
|
||||
add(new ContainerID(container2.getContainerID()));
|
||||
}});
|
||||
registerReplicas(node2ContainerMap, datanode1, container1, container2);
|
||||
registerReplicas(node2ContainerMap, datanode2, container1, container3);
|
||||
|
||||
node2ContainerMap
|
||||
.insertNewDatanode(datanode2.getUuid(), new HashSet<ContainerID>() {{
|
||||
add(new ContainerID(container1.getContainerID()));
|
||||
add(new ContainerID(container3.getContainerID()));
|
||||
}});
|
||||
registerReplicas(containerStateManager, container1, datanode1, datanode2);
|
||||
registerReplicas(containerStateManager, container2, datanode1);
|
||||
registerReplicas(containerStateManager, container3, datanode2);
|
||||
|
||||
containerStateManager.getContainerStateMap()
|
||||
.addContainerReplica(new ContainerID(container1.getContainerID()),
|
||||
datanode1, datanode2);
|
||||
TestUtils.closeContainer(containerStateManager, container1);
|
||||
|
||||
containerStateManager.getContainerStateMap()
|
||||
.addContainerReplica(new ContainerID(container2.getContainerID()),
|
||||
datanode1);
|
||||
|
||||
containerStateManager.getContainerStateMap()
|
||||
.addContainerReplica(new ContainerID(container3.getContainerID()),
|
||||
datanode2);
|
||||
EventPublisher publisher = Mockito.mock(EventPublisher.class);
|
||||
|
||||
//WHEN datanode1 is dead
|
||||
handler.onMessage(datanode1, Mockito.mock(EventPublisher.class));
|
||||
handler.onMessage(datanode1, publisher);
|
||||
|
||||
//THEN
|
||||
|
||||
//node2ContainerMap has not been changed
|
||||
Assert.assertEquals(2, node2ContainerMap.size());
|
||||
|
||||
|
@ -108,5 +108,40 @@ public class TestDeadNodeHandler {
|
|||
Assert.assertEquals(1, container3Replicas.size());
|
||||
Assert.assertEquals(datanode2, container3Replicas.iterator().next());
|
||||
|
||||
ArgumentCaptor<ReplicationRequest> replicationRequestParameter =
|
||||
ArgumentCaptor.forClass(ReplicationRequest.class);
|
||||
|
||||
Mockito.verify(publisher)
|
||||
.fireEvent(eq(SCMEvents.REPLICATE_CONTAINER),
|
||||
replicationRequestParameter.capture());
|
||||
|
||||
Assert
|
||||
.assertEquals(container1.getContainerID(),
|
||||
replicationRequestParameter.getValue().getContainerId());
|
||||
Assert
|
||||
.assertEquals(1,
|
||||
replicationRequestParameter.getValue().getReplicationCount());
|
||||
Assert
|
||||
.assertEquals(3,
|
||||
replicationRequestParameter.getValue().getExpecReplicationCount());
|
||||
}
|
||||
|
||||
private void registerReplicas(ContainerStateManager containerStateManager,
|
||||
ContainerInfo container, DatanodeDetails... datanodes) {
|
||||
containerStateManager.getContainerStateMap()
|
||||
.addContainerReplica(new ContainerID(container.getContainerID()),
|
||||
datanodes);
|
||||
}
|
||||
|
||||
private void registerReplicas(Node2ContainerMap node2ContainerMap,
|
||||
DatanodeDetails datanode,
|
||||
ContainerInfo... containers)
|
||||
throws SCMException {
|
||||
node2ContainerMap
|
||||
.insertNewDatanode(datanode.getUuid(),
|
||||
Arrays.stream(containers)
|
||||
.map(container -> new ContainerID(container.getContainerID()))
|
||||
.collect(Collectors.toSet()));
|
||||
}
|
||||
|
||||
}
|
|
@ -48,7 +48,7 @@ import org.slf4j.event.Level;
|
|||
/**
|
||||
* Tests for ContainerStateManager.
|
||||
*/
|
||||
public class TestContainerStateManager {
|
||||
public class TestContainerStateManagerIntegration {
|
||||
|
||||
private OzoneConfiguration conf;
|
||||
private MiniOzoneCluster cluster;
|
Loading…
Reference in New Issue