Examples with ReservationDeleteResponseInfo org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationDeleteResponseInfo used on opensource projects

Example 1 with ReservationDeleteResponseInfo

use of org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ReservationDeleteResponseInfo in project hadoop by apache.

the class RMWebServices method deleteReservation.

/**
   * Function to delete a Reservation to the RM.
   *
   * @param resContext provides information to construct
   *          the ReservationDeleteRequest
   * @param hsr the servlet request
   * @return Response containing the status code
   * @throws AuthorizationException when the user group information cannot be
   *           retrieved.
   * @throws IOException when a {@link ReservationDeleteRequest} cannot be
   *           created from the {@link ReservationDeleteRequestInfo}. This
   *           exception is also thrown on
   *           {@code ClientRMService.deleteReservation} invokation failure.
   * @throws InterruptedException if doAs action throws an InterruptedException.
   */
@POST
@Path("/reservation/delete")
@Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8, MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
@Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response deleteReservation(ReservationDeleteRequestInfo resContext, @Context HttpServletRequest hsr) throws AuthorizationException, IOException, InterruptedException {
    init();
    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr, true);
    if (callerUGI == null) {
        throw new AuthorizationException("Unable to obtain user name, " + "user not authenticated");
    }
    if (UserGroupInformation.isSecurityEnabled() && isStaticUser(callerUGI)) {
        String msg = "The default static user cannot carry out this operation.";
        return Response.status(Status.FORBIDDEN).entity(msg).build();
    }
    final ReservationDeleteRequest reservation = createReservationDeleteRequest(resContext);
    ReservationDeleteResponseInfo resRespInfo;
    try {
        resRespInfo = callerUGI.doAs(new PrivilegedExceptionAction<ReservationDeleteResponseInfo>() {

            @Override
            public ReservationDeleteResponseInfo run() throws IOException, YarnException {
                rm.getClientRMService().deleteReservation(reservation);
                return new ReservationDeleteResponseInfo();
            }
        });
    } catch (UndeclaredThrowableException ue) {
        if (ue.getCause() instanceof YarnException) {
            throw new BadRequestException(ue.getCause().getMessage());
        }
        LOG.info("Update reservation request failed", ue);
        throw ue;
    }
    return Response.status(Status.OK).entity(resRespInfo).build();
}