Examples with OzoneClientException org.apache.hadoop.ozone.client.OzoneClientException used on opensource projects

Example 1 with OzoneClientException

use of org.apache.hadoop.ozone.client.OzoneClientException in project ozone by apache.

the class OzoneAddress method createClient.

public OzoneClient createClient(MutableConfigurationSource conf) throws IOException, OzoneClientException {
    OzoneClient client;
    String scheme = ozoneURI.getScheme();
    if (ozoneURI.getScheme() == null || scheme.isEmpty()) {
        scheme = OZONE_RPC_SCHEME;
    }
    if (scheme.equals(OZONE_HTTP_SCHEME)) {
        throw new UnsupportedOperationException("REST schema is not supported any more. Please use AWS S3 protocol " + "if you need REST interface.");
    } else if (!scheme.equals(OZONE_RPC_SCHEME)) {
        throw new OzoneClientException("Invalid URI, unknown protocol scheme: " + scheme + ". Use " + OZONE_RPC_SCHEME + ":// as the scheme");
    }
    if (ozoneURI.getHost() != null && !ozoneURI.getAuthority().equals(EMPTY_HOST)) {
        if (OmUtils.isOmHAServiceId(conf, ozoneURI.getHost())) {
            // When host is an HA service ID
            if (ozoneURI.getPort() != -1) {
                throw new OzoneClientException("Port " + ozoneURI.getPort() + " specified in URI but host '" + ozoneURI.getHost() + "' is a logical (HA) OzoneManager " + "and does not use port information.");
            }
            client = createRpcClient(conf);
        } else if (ozoneURI.getPort() == -1) {
            client = createRpcClientFromHostPort(ozoneURI.getHost(), OmUtils.getOmRpcPort(conf), conf);
        } else {
            client = createRpcClientFromHostPort(ozoneURI.getHost(), ozoneURI.getPort(), conf);
        }
    } else {
        // When host is not specified
        Collection<String> omServiceIds = conf.getTrimmedStringCollection(OZONE_OM_SERVICE_IDS_KEY);
        if (omServiceIds.size() > 1) {
            throw new OzoneClientException("Service ID or host name must not" + " be omitted when multiple ozone.om.service.ids is defined.");
        } else if (omServiceIds.size() == 1) {
            client = createRpcClientFromServiceId(omServiceIds.iterator().next(), conf);
        } else {
            client = createRpcClient(conf);
        }
    }
    return client;
}

Example 2 with OzoneClientException

use of org.apache.hadoop.ozone.client.OzoneClientException in project ozone by apache.

the class OMAdmin method createOmClient.

public OzoneManagerProtocolClientSideTranslatorPB createOmClient(String omServiceID, String omHost, boolean forceHA) throws Exception {
    OzoneConfiguration conf = parent.getOzoneConf();
    if (omHost != null && !omHost.isEmpty()) {
        omServiceID = null;
        conf.set(OZONE_OM_ADDRESS_KEY, omHost);
    } else if (omServiceID == null || omServiceID.isEmpty()) {
        omServiceID = getTheOnlyConfiguredOmServiceIdOrThrow();
    }
    RPC.setProtocolEngine(conf, OzoneManagerProtocolPB.class, ProtobufRpcEngine.class);
    String clientId = ClientId.randomId().toString();
    if (!forceHA || (forceHA && OmUtils.isOmHAServiceId(conf, omServiceID))) {
        OmTransport omTransport = new Hadoop3OmTransportFactory().createOmTransport(conf, parent.getUser(), omServiceID);
        return new OzoneManagerProtocolClientSideTranslatorPB(omTransport, clientId);
    } else {
        throw new OzoneClientException("This command works only on OzoneManager" + " HA cluster. Service ID specified does not match" + " with " + OZONE_OM_SERVICE_IDS_KEY + " defined in the " + "configuration. Configured " + OZONE_OM_SERVICE_IDS_KEY + " are " + conf.getTrimmedStringCollection(OZONE_OM_SERVICE_IDS_KEY) + "\n");
    }
}

Example 3 with OzoneClientException

use of org.apache.hadoop.ozone.client.OzoneClientException in project ozone by apache.

the class GetKeyHandler method execute.

@Override
protected void execute(OzoneClient client, OzoneAddress address) throws IOException, OzoneClientException {
    String volumeName = address.getVolumeName();
    String bucketName = address.getBucketName();
    String keyName = address.getKeyName();
    File dataFile = new File(fileName);
    if (dataFile.exists() && dataFile.isDirectory()) {
        dataFile = new File(fileName, keyName);
    }
    if (dataFile.exists() && !force) {
        throw new OzoneClientException(dataFile.getPath() + " exists." + " Download would overwrite an existing file. Aborting.");
    }
    int chunkSize = (int) getConf().getStorageSize(OZONE_SCM_CHUNK_SIZE_KEY, OZONE_SCM_CHUNK_SIZE_DEFAULT, StorageUnit.BYTES);
    OzoneVolume vol = client.getObjectStore().getVolume(volumeName);
    OzoneBucket bucket = vol.getBucket(bucketName);
    try (InputStream input = bucket.readKey(keyName);
        OutputStream output = new FileOutputStream(dataFile)) {
        IOUtils.copyBytes(input, output, chunkSize);
    }
    if (isVerbose() && !"/dev/null".equals(dataFile.getAbsolutePath())) {
        try (InputStream stream = new FileInputStream(dataFile)) {
            String hash = DigestUtils.md5Hex(stream);
            out().printf("Downloaded file hash : %s%n", hash);
        }
    }
}