Examples with ContainerReader org.apache.hadoop.ozone.container.ozoneimpl.ContainerReader used on opensource projects

Example 1 with ContainerReader

use of org.apache.hadoop.ozone.container.ozoneimpl.ContainerReader in project ozone by apache.

the class ContainerCommands method loadContainersFromVolumes.

public void loadContainersFromVolumes() throws IOException {
    OzoneConfiguration conf = parent.getOzoneConf();
    ContainerSet containerSet = new ContainerSet();
    ContainerMetrics metrics = ContainerMetrics.create(conf);
    String firstStorageDir = getFirstStorageDir(conf);
    String datanodeUuid = getDatanodeUUID(firstStorageDir, conf);
    String clusterId = getClusterId(firstStorageDir);
    volumeSet = new MutableVolumeSet(datanodeUuid, conf, null, StorageVolume.VolumeType.DATA_VOLUME, null);
    Map<ContainerProtos.ContainerType, Handler> handlers = new HashMap<>();
    for (ContainerProtos.ContainerType containerType : ContainerProtos.ContainerType.values()) {
        final Handler handler = Handler.getHandlerForContainerType(containerType, conf, datanodeUuid, containerSet, volumeSet, metrics, containerReplicaProto -> {
        });
        handler.setClusterID(clusterId);
        handlers.put(containerType, handler);
    }
    controller = new ContainerController(containerSet, handlers);
    List<HddsVolume> volumes = StorageVolumeUtil.getHddsVolumesList(volumeSet.getVolumesList());
    Iterator<HddsVolume> volumeSetIterator = volumes.iterator();
    LOG.info("Starting the read all the container metadata");
    while (volumeSetIterator.hasNext()) {
        HddsVolume volume = volumeSetIterator.next();
        LOG.info("Loading container metadata from volume " + volume.toString());
        final ContainerReader reader = new ContainerReader(volumeSet, volume, containerSet, conf);
        reader.run();
    }
    LOG.info("All the container metadata is loaded.");
}