@GET
@Path("/{taskId}/read")
public MesosFileChunkObject read(
@PathParam("taskId") String taskId,
@QueryParam("path") String qPath,
@QueryParam("offset") Optional<Long> offset,
@QueryParam("length") Optional<Long> length) {
final String path = getDefaultPath(taskId, qPath);
final SingularityTaskHistory history = checkHistory(taskId);
final String slaveHostname = history.getTask().getOffer().getHostname();
final String fullPath = new File(history.getDirectory().get(), path).toString();
try {
final Optional<MesosFileChunkObject> maybeChunk =
sandboxManager.read(slaveHostname, fullPath, offset, length);
if (!maybeChunk.isPresent()) {
throw WebExceptions.notFound("File %s does not exist for task ID %s", fullPath, taskId);
}
return maybeChunk.get();
} catch (SlaveNotFoundException snfe) {
throw WebExceptions.notFound(
"Slave @ %s was not found, it is probably offline", slaveHostname);
}
}
private SingularityTaskHistory checkHistory(String taskId) {
final SingularityTaskId taskIdObj = getTaskIdObject(taskId);
final SingularityTaskHistory taskHistory = getTaskHistory(taskIdObj);
if (!taskHistory.getDirectory().isPresent()) {
logSupport.checkDirectory(taskIdObj);
throw WebExceptions.badRequest(
"Task %s does not have a directory yet - check again soon (enqueued request to refetch)",
taskId);
}
return taskHistory;
}
@GET
@Path("/{taskId}/browse")
public Collection<MesosFileObject> browse(
@PathParam("taskId") String taskId, @QueryParam("path") String qPath) {
final String path = getDefaultPath(taskId, qPath);
final SingularityTaskHistory history = checkHistory(taskId);
final String slaveHostname = history.getTask().getOffer().getHostname();
final String fullPath = new File(history.getDirectory().get(), path).toString();
try {
return sandboxManager.browse(slaveHostname, fullPath);
} catch (SlaveNotFoundException snfe) {
throw WebExceptions.notFound(
"Slave @ %s was not found, it is probably offline", slaveHostname);
}
}
@GET
@Path("/{taskId}/download")
public Response download(@PathParam("taskId") String taskId, @QueryParam("path") String path) {
final SingularityTaskHistory history = checkHistory(taskId);
final String slaveHostname = history.getTask().getOffer().getHostname();
final String fullPath = new File(history.getDirectory().get(), path).toString();
try {
final URI downloadUri =
new URI(
"http",
null,
slaveHostname,
5051,
"/files/download.json",
String.format("path=%s", fullPath),
null);
return Response.temporaryRedirect(downloadUri).build();
} catch (URISyntaxException e) {
throw Throwables.propagate(e);
}
}
