Examples with GetContainersRequest org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest used on opensource projects

Example 6 with GetContainersRequest

use of org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest in project hadoop by apache.

the class WebServices method getContainers.

public ContainersInfo getContainers(HttpServletRequest req, HttpServletResponse res, String appId, String appAttemptId) {
    UserGroupInformation callerUGI = getUser(req);
    ApplicationId aid = parseApplicationId(appId);
    final ApplicationAttemptId aaid = parseApplicationAttemptId(appAttemptId);
    validateIds(aid, aaid, null);
    Collection<ContainerReport> containerReports = null;
    try {
        if (callerUGI == null) {
            GetContainersRequest request = GetContainersRequest.newInstance(aaid);
            containerReports = appBaseProt.getContainers(request).getContainerList();
        } else {
            containerReports = callerUGI.doAs(new PrivilegedExceptionAction<Collection<ContainerReport>>() {

                @Override
                public Collection<ContainerReport> run() throws Exception {
                    GetContainersRequest request = GetContainersRequest.newInstance(aaid);
                    return appBaseProt.getContainers(request).getContainerList();
                }
            });
        }
    } catch (Exception e) {
        rewrapAndThrowException(e);
    }
    ContainersInfo containersInfo = new ContainersInfo();
    if (containerReports == null) {
        return containersInfo;
    }
    for (ContainerReport containerReport : containerReports) {
        ContainerInfo containerInfo = new ContainerInfo(containerReport);
        containersInfo.add(containerInfo);
    }
    return containersInfo;
}