Examples with Produces javax.ws.rs.Produces used on opensource projects

Example 21 with Produces

use of javax.ws.rs.Produces in project hadoop by apache.

the class RMWebServices method getNodes.

/**
   * Returns all nodes in the cluster. If the states param is given, returns
   * all nodes that are in the comma-separated list of states.
   */
@GET
@Path("/nodes")
@Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8, MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
public NodesInfo getNodes(@QueryParam("states") String states) {
    init();
    ResourceScheduler sched = this.rm.getResourceScheduler();
    if (sched == null) {
        throw new NotFoundException("Null ResourceScheduler instance");
    }
    EnumSet<NodeState> acceptedStates;
    if (states == null) {
        acceptedStates = EnumSet.allOf(NodeState.class);
    } else {
        acceptedStates = EnumSet.noneOf(NodeState.class);
        for (String stateStr : states.split(",")) {
            acceptedStates.add(NodeState.valueOf(StringUtils.toUpperCase(stateStr)));
        }
    }
    Collection<RMNode> rmNodes = RMServerUtils.queryRMNodes(this.rm.getRMContext(), acceptedStates);
    NodesInfo nodesInfo = new NodesInfo();
    for (RMNode rmNode : rmNodes) {
        NodeInfo nodeInfo = new NodeInfo(rmNode, sched);
        if (EnumSet.of(NodeState.LOST, NodeState.DECOMMISSIONED, NodeState.REBOOTED).contains(rmNode.getState())) {
            nodeInfo.setNodeHTTPAddress(EMPTY);
        }
        nodesInfo.add(nodeInfo);
    }
    return nodesInfo;
}

Example 22 with Produces

use of javax.ws.rs.Produces in project hadoop by apache.

the class RMWebServices method submitApplication.

// reuse the code in ClientRMService to create new app
// get the new app id and submit app
// set location header with new app location
/**
   * Function to submit an app to the RM
   * 
   * @param newApp
   *          structure containing information to construct the
   *          ApplicationSubmissionContext
   * @param hsr
   *          the servlet request
   * @return Response containing the status code
   * @throws AuthorizationException
   * @throws IOException
   * @throws InterruptedException
   */
@POST
@Path("/apps")
@Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8, MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
@Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response submitApplication(ApplicationSubmissionContextInfo newApp, @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();
    }
    ApplicationSubmissionContext appContext = createAppSubmissionContext(newApp);
    final SubmitApplicationRequest req = SubmitApplicationRequest.newInstance(appContext);
    try {
        callerUGI.doAs(new PrivilegedExceptionAction<SubmitApplicationResponse>() {

            @Override
            public SubmitApplicationResponse run() throws IOException, YarnException {
                return rm.getClientRMService().submitApplication(req);
            }
        });
    } catch (UndeclaredThrowableException ue) {
        if (ue.getCause() instanceof YarnException) {
            throw new BadRequestException(ue.getCause().getMessage());
        }
        LOG.info("Submit app request failed", ue);
        throw ue;
    }
    String url = hsr.getRequestURL() + "/" + newApp.getApplicationId();
    return Response.status(Status.ACCEPTED).header(HttpHeaders.LOCATION, url).build();
}

Example 23 with Produces

use of javax.ws.rs.Produces in project hadoop by apache.

the class RMWebServices method getAppQueue.

@GET
@Path("/apps/{appid}/queue")
@Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8, MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
public AppQueue getAppQueue(@Context HttpServletRequest hsr, @PathParam("appid") String appId) throws AuthorizationException {
    init();
    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr, true);
    String userName = "UNKNOWN-USER";
    if (callerUGI != null) {
        userName = callerUGI.getUserName();
    }
    RMApp app = null;
    try {
        app = getRMAppForAppId(appId);
    } catch (NotFoundException e) {
        RMAuditLogger.logFailure(userName, AuditConstants.GET_APP_QUEUE, "UNKNOWN", "RMWebService", "Trying to get queue of an absent application " + appId);
        throw e;
    }
    AppQueue ret = new AppQueue();
    ret.setQueue(app.getQueue());
    return ret;
}

Example 24 with Produces

use of javax.ws.rs.Produces in project hadoop by apache.

the class RMWebServices method getLabelsToNodes.

@GET
@Path("/label-mappings")
@Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8, MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
public LabelsToNodesInfo getLabelsToNodes(@QueryParam("labels") Set<String> labels) throws IOException {
    init();
    LabelsToNodesInfo lts = new LabelsToNodesInfo();
    Map<NodeLabelInfo, NodeIDsInfo> ltsMap = lts.getLabelsToNodes();
    Map<NodeLabel, Set<NodeId>> labelsToNodeId = null;
    if (labels == null || labels.size() == 0) {
        labelsToNodeId = rm.getRMContext().getNodeLabelManager().getLabelsInfoToNodes();
    } else {
        labelsToNodeId = rm.getRMContext().getNodeLabelManager().getLabelsInfoToNodes(labels);
    }
    for (Entry<NodeLabel, Set<NodeId>> entry : labelsToNodeId.entrySet()) {
        List<String> nodeIdStrList = new ArrayList<String>();
        for (NodeId nodeId : entry.getValue()) {
            nodeIdStrList.add(nodeId.toString());
        }
        ltsMap.put(new NodeLabelInfo(entry.getKey()), new NodeIDsInfo(nodeIdStrList));
    }
    return lts;
}

Example 25 with Produces

use of javax.ws.rs.Produces in project hadoop by apache.

the class RMWebServices method updateAppState.

// can't return POJO because we can't control the status code
// it's always set to 200 when we need to allow it to be set
// to 202
@PUT
@Path("/apps/{appid}/state")
@Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8, MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
@Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response updateAppState(AppState targetState, @Context HttpServletRequest hsr, @PathParam("appid") String appId) throws AuthorizationException, YarnException, InterruptedException, IOException {
    init();
    UserGroupInformation callerUGI = getCallerUserGroupInformation(hsr, true);
    if (callerUGI == null) {
        String msg = "Unable to obtain user name, user not authenticated";
        throw new AuthorizationException(msg);
    }
    if (UserGroupInformation.isSecurityEnabled() && isStaticUser(callerUGI)) {
        String msg = "The default static user cannot carry out this operation.";
        return Response.status(Status.FORBIDDEN).entity(msg).build();
    }
    String userName = callerUGI.getUserName();
    RMApp app = null;
    try {
        app = getRMAppForAppId(appId);
    } catch (NotFoundException e) {
        RMAuditLogger.logFailure(userName, AuditConstants.KILL_APP_REQUEST, "UNKNOWN", "RMWebService", "Trying to kill an absent application " + appId);
        throw e;
    }
    if (!app.getState().toString().equals(targetState.getState())) {
        if (targetState.getState().equals(YarnApplicationState.KILLED.toString())) {
            return killApp(app, callerUGI, hsr, targetState.getDiagnostics());
        }
        throw new BadRequestException("Only '" + YarnApplicationState.KILLED.toString() + "' is allowed as a target state.");
    }
    AppState ret = new AppState();
    ret.setState(app.getState().toString());
    return Response.status(Status.OK).entity(ret).build();
}