use of org.restlet.representation.StringRepresentation in project pinot by linkedin.
the class PinotInstanceRestletResource method getAllInstances.
/**
* Get all instances in the cluster
* @return List of all instances in the cluster.
* @throws JSONException
*/
@HttpVerb("get")
@Summary("Views all instances")
@Tags({ "instance" })
@Paths({ "/instances", "/instances/" })
@Responses({ @Response(statusCode = "200", description = "A list of instances") })
private Representation getAllInstances() throws JSONException {
JSONObject object = new JSONObject();
JSONArray instanceArray = new JSONArray();
List<String> instanceNames = _pinotHelixResourceManager.getAllInstanceNames();
for (String instanceName : instanceNames) {
instanceArray.put(instanceName);
}
object.put("instances", instanceArray);
return new StringRepresentation(object.toString());
}
use of org.restlet.representation.StringRepresentation in project pinot by linkedin.
the class PinotSchemaRestletResource method getSchema.
@HttpVerb("get")
@Summary("Gets a schema")
@Tags({ "schema" })
@Paths({ "/schemas/{schemaName}", "/schemas/{schemaName}/" })
@Responses({ @Response(statusCode = "200", description = "The contents of the specified schema"), @Response(statusCode = "404", description = "The specified schema does not exist") })
private Representation getSchema(@Parameter(name = "schemaName", in = "path", description = "The name of the schema to get") String schemaName) throws IOException {
LOGGER.info("looking for schema {}", schemaName);
Schema schema = _pinotHelixResourceManager.getSchema(schemaName);
if (schema == null) {
setStatus(Status.CLIENT_ERROR_NOT_FOUND);
return new StringRepresentation("{}");
}
LOGGER.info("schema string is : " + schema.getJSONSchema());
return new StringRepresentation(schema.getJSONSchema());
}
use of org.restlet.representation.StringRepresentation in project pinot by linkedin.
the class PinotSchemaRestletResource method getAllSchemas.
@HttpVerb("get")
@Summary("Get a list of all schemas")
@Tags({ "schema" })
@Paths({ "/schemas", "/schemas/" })
@Responses({ @Response(statusCode = "200", description = "A list of all schemas") })
private Representation getAllSchemas() {
List<String> schemaNames = _pinotHelixResourceManager.getSchemaNames();
JSONArray ret = new JSONArray();
if (schemaNames == null) {
return new StringRepresentation(ret.toString());
}
for (String schema : schemaNames) {
ret.put(schema);
}
return new StringRepresentation(ret.toString());
}
use of org.restlet.representation.StringRepresentation in project pinot by linkedin.
the class PinotSchemaRestletResource method uploadNewSchema.
@HttpVerb("post")
@Summary("Adds a new schema")
@Tags({ "schema" })
@Paths({ "/schemas", "/schemas/" })
@Responses({ @Response(statusCode = "200", description = "The schema was added"), @Response(statusCode = "500", description = "There was an error while adding the schema") })
private Representation uploadNewSchema() throws Exception {
File dataFile = getUploadContents();
if (dataFile != null) {
Schema schema = Schema.fromFile(dataFile);
try {
if (!schema.validate(LOGGER)) {
throw new RuntimeException("Schema validation failed");
}
_pinotHelixResourceManager.addOrUpdateSchema(schema);
return new StringRepresentation(dataFile + " sucessfully added", MediaType.TEXT_PLAIN);
} catch (Exception e) {
LOGGER.error("error adding schema ", e);
LOGGER.error("Caught exception in file upload", e);
setStatus(Status.SERVER_ERROR_INTERNAL);
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SCHEMA_UPLOAD_ERROR, 1L);
return PinotSegmentUploadRestletResource.exceptionToStringRepresentation(e);
}
} else {
// Some problem occurs, send back a simple line of text.
LOGGER.warn("No file was uploaded");
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SCHEMA_UPLOAD_ERROR, 1L);
setStatus(Status.SERVER_ERROR_INTERNAL);
return new StringRepresentation("schema not added", MediaType.TEXT_PLAIN);
}
}
use of org.restlet.representation.StringRepresentation in project pinot by linkedin.
the class PinotSegmentUploadRestletResource method post.
@Override
@Post
public Representation post(Representation entity) {
Representation rep = null;
File tmpSegmentDir = null;
File dataFile = null;
try {
// 0/ Get upload type, if it's uri, then download it, otherwise, get the tar from the request.
Series headers = (Series) getRequestAttributes().get(RESTLET_HTTP_HEADERS);
String uploadTypeStr = headers.getFirstValue(FileUploadUtils.UPLOAD_TYPE);
FileUploadType uploadType = null;
try {
uploadType = (uploadTypeStr == null) ? FileUploadType.getDefaultUploadType() : FileUploadType.valueOf(uploadTypeStr);
} catch (Exception e) {
uploadType = FileUploadType.getDefaultUploadType();
}
String downloadURI = null;
boolean found = false;
switch(uploadType) {
case URI:
case JSON:
// Download segment from the given Uri
try {
downloadURI = getDownloadUri(uploadType, headers, entity);
} catch (Exception e) {
String errorMsg = String.format("Failed to get download Uri for upload file type: %s, with error %s", uploadType, e.getMessage());
LOGGER.warn(errorMsg);
JSONObject errorMsgInJson = getErrorMsgInJson(errorMsg);
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SEGMENT_UPLOAD_ERROR, 1L);
setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
return new StringRepresentation(errorMsgInJson.toJSONString(), MediaType.APPLICATION_JSON);
}
SegmentFetcher segmentFetcher = null;
// Get segmentFetcher based on uri parsed from download uri
try {
segmentFetcher = SegmentFetcherFactory.getSegmentFetcherBasedOnURI(downloadURI);
} catch (Exception e) {
String errorMsg = String.format("Failed to get SegmentFetcher from download Uri: %s", downloadURI);
LOGGER.warn(errorMsg);
JSONObject errorMsgInJson = getErrorMsgInJson(errorMsg);
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SEGMENT_UPLOAD_ERROR, 1L);
setStatus(Status.SERVER_ERROR_INTERNAL);
return new StringRepresentation(errorMsgInJson.toJSONString(), MediaType.APPLICATION_JSON);
}
// Download segment tar to local.
dataFile = new File(tempDir, "tmp-" + System.nanoTime());
try {
segmentFetcher.fetchSegmentToLocal(downloadURI, dataFile);
} catch (Exception e) {
String errorMsg = String.format("Failed to fetch segment tar from download Uri: %s to %s", downloadURI, dataFile.toString());
LOGGER.warn(errorMsg);
JSONObject errorMsgInJson = getErrorMsgInJson(errorMsg);
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SEGMENT_UPLOAD_ERROR, 1L);
setStatus(Status.SERVER_ERROR_INTERNAL);
return new StringRepresentation(errorMsgInJson.toJSONString(), MediaType.APPLICATION_JSON);
}
if (dataFile.exists() && dataFile.length() > 0) {
found = true;
}
break;
case TAR:
default:
// 1/ Create a factory for disk-based file items
final DiskFileItemFactory factory = new DiskFileItemFactory();
// 2/ Create a new file upload handler based on the Restlet
// FileUpload extension that will parse Restlet requests and
// generates FileItems.
final RestletFileUpload upload = new RestletFileUpload(factory);
final List<FileItem> items;
// 3/ Request is parsed by the handler which generates a
// list of FileItems
items = upload.parseRequest(getRequest());
for (FileItem fileItem : items) {
if (!found) {
if (fileItem.getFieldName() != null) {
found = true;
dataFile = new File(tempDir, fileItem.getFieldName());
fileItem.write(dataFile);
}
} else {
LOGGER.warn("Got extra file item while pushing segments: " + fileItem.getFieldName());
}
// TODO: remove the try-catch after verifying it will not throw any exception
try {
// Remove the temp file
// When the file is copied to instead of renamed to the new file, the temp file might be left in the dir
fileItem.delete();
} catch (Exception e) {
LOGGER.error("Caught exception while deleting the temp file, should not reach here", e);
}
}
}
// back to the client.
if (found) {
// Create a new representation based on disk file.
// The content is arbitrarily sent as plain text.
rep = new StringRepresentation(dataFile + " sucessfully uploaded", MediaType.TEXT_PLAIN);
tmpSegmentDir = new File(tempUntarredPath, dataFile.getName() + "-" + _controllerConf.getControllerHost() + "_" + _controllerConf.getControllerPort() + "-" + System.currentTimeMillis());
LOGGER.info("Untar segment to temp dir: " + tmpSegmentDir);
if (tmpSegmentDir.exists()) {
FileUtils.deleteDirectory(tmpSegmentDir);
}
if (!tmpSegmentDir.exists()) {
tmpSegmentDir.mkdirs();
}
// While there is TarGzCompressionUtils.unTarOneFile, we use unTar here to unpack all files
// in the segment in order to ensure the segment is not corrupted
TarGzCompressionUtils.unTar(dataFile, tmpSegmentDir);
File segmentFile = tmpSegmentDir.listFiles()[0];
String clientIpAddress = getClientInfo().getAddress();
String clientAddress = InetAddress.getByName(clientIpAddress).getHostName();
LOGGER.info("Processing upload request for segment '{}' from client '{}'", segmentFile.getName(), clientAddress);
return uploadSegment(segmentFile, dataFile, downloadURI);
} else {
// Some problem occurs, sent back a simple line of text.
String errorMsg = "No file was uploaded";
LOGGER.warn(errorMsg);
JSONObject errorMsgInJson = getErrorMsgInJson(errorMsg);
rep = new StringRepresentation(errorMsgInJson.toJSONString(), MediaType.APPLICATION_JSON);
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SEGMENT_UPLOAD_ERROR, 1L);
setStatus(Status.SERVER_ERROR_INTERNAL);
}
} catch (final Exception e) {
rep = exceptionToStringRepresentation(e);
LOGGER.error("Caught exception in file upload", e);
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SEGMENT_UPLOAD_ERROR, 1L);
setStatus(Status.SERVER_ERROR_INTERNAL);
} finally {
if ((tmpSegmentDir != null) && tmpSegmentDir.exists()) {
try {
FileUtils.deleteDirectory(tmpSegmentDir);
} catch (final IOException e) {
LOGGER.error("Caught exception in file upload", e);
ControllerRestApplication.getControllerMetrics().addMeteredGlobalValue(ControllerMeter.CONTROLLER_SEGMENT_UPLOAD_ERROR, 1L);
setStatus(Status.SERVER_ERROR_INTERNAL);
}
}
if ((dataFile != null) && dataFile.exists()) {
FileUtils.deleteQuietly(dataFile);
}
}
return rep;
}
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