| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.ambari.server.controller.internal; |
| |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.controller.AmbariManagementController; |
| import org.apache.ambari.server.controller.TaskStatusRequest; |
| import org.apache.ambari.server.controller.TaskStatusResponse; |
| import org.apache.ambari.server.controller.spi.NoSuchParentResourceException; |
| import org.apache.ambari.server.controller.spi.NoSuchResourceException; |
| import org.apache.ambari.server.controller.spi.Predicate; |
| import org.apache.ambari.server.controller.spi.Request; |
| import org.apache.ambari.server.controller.spi.RequestStatus; |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.controller.spi.SystemException; |
| import org.apache.ambari.server.controller.spi.UnsupportedPropertyException; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Resource provider for task resources. |
| */ |
| class TaskResourceProvider extends AbstractControllerResourceProvider { |
| |
| // ----- Property ID constants --------------------------------------------- |
| |
| // Tasks |
| protected static final String TASK_CLUSTER_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "cluster_name"); |
| protected static final String TASK_REQUEST_ID_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "request_id"); |
| protected static final String TASK_ID_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "id"); |
| protected static final String TASK_STAGE_ID_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "stage_id"); |
| protected static final String TASK_HOST_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "host_name"); |
| protected static final String TASK_ROLE_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "role"); |
| protected static final String TASK_COMMAND_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "command"); |
| protected static final String TASK_STATUS_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "status"); |
| protected static final String TASK_EXIT_CODE_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "exit_code"); |
| protected static final String TASK_STDERR_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "stderr"); |
| protected static final String TASK_STOUT_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "stdout"); |
| protected static final String TASK_START_TIME_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "start_time"); |
| protected static final String TASK_ATTEMPT_CNT_PROPERTY_ID = PropertyHelper.getPropertyId("Tasks", "attempt_cnt"); |
| |
| |
| private static Set<String> pkPropertyIds = |
| new HashSet<String>(Arrays.asList(new String[]{ |
| TASK_ID_PROPERTY_ID})); |
| |
| // ----- Constructors ---------------------------------------------------- |
| |
| /** |
| * Create a new resource provider for the given management controller. |
| * |
| * @param propertyIds the property ids |
| * @param keyPropertyIds the key property ids |
| * @param managementController the management controller |
| */ |
| TaskResourceProvider(Set<String> propertyIds, |
| Map<Resource.Type, String> keyPropertyIds, |
| AmbariManagementController managementController) { |
| super(propertyIds, keyPropertyIds, managementController); |
| } |
| |
| // ----- ResourceProvider ------------------------------------------------ |
| |
| @Override |
| public RequestStatus createResources(Request request) { |
| throw new UnsupportedOperationException("Not currently supported."); |
| } |
| |
| @Override |
| public Set<Resource> getResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| |
| Set<String> requestedIds = getRequestPropertyIds(request, predicate); |
| |
| Map<String, Set<TaskStatusRequest>> requestsMap = new HashMap<String, Set<TaskStatusRequest>>(); |
| |
| for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) { |
| String clusterName = (String) propertyMap.get(TASK_CLUSTER_NAME_PROPERTY_ID); |
| |
| Set<TaskStatusRequest> requests = requestsMap.get(clusterName); |
| if (requests == null) { |
| requests = new HashSet<TaskStatusRequest>(); |
| requestsMap.put(clusterName, requests); |
| } |
| requests.add(getRequest(propertyMap)); |
| } |
| |
| Set<Resource> resources = null; |
| |
| for (Map.Entry<String, Set<TaskStatusRequest>> entry : requestsMap.entrySet()) { |
| |
| final Set<TaskStatusRequest> requests = entry.getValue(); |
| |
| Set<TaskStatusResponse> responses = getResources(new Command<Set<TaskStatusResponse>>() { |
| @Override |
| public Set<TaskStatusResponse> invoke() throws AmbariException { |
| return getManagementController().getTaskStatus(requests); |
| } |
| }); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Printing size of responses " + responses.size()); |
| for (TaskStatusResponse response : responses) { |
| LOG.debug("Printing response from management controller " |
| + response.toString()); |
| } |
| } |
| |
| resources = new HashSet<Resource>(); |
| for (TaskStatusResponse response : responses) { |
| Resource resource = new ResourceImpl(Resource.Type.Task); |
| |
| setResourceProperty(resource, TASK_CLUSTER_NAME_PROPERTY_ID, entry.getKey(), requestedIds); |
| setResourceProperty(resource, TASK_REQUEST_ID_PROPERTY_ID, response.getRequestId(), requestedIds); |
| setResourceProperty(resource, TASK_ID_PROPERTY_ID, response.getTaskId(), requestedIds); |
| setResourceProperty(resource, TASK_STAGE_ID_PROPERTY_ID, response.getStageId(), requestedIds); |
| setResourceProperty(resource, TASK_HOST_NAME_PROPERTY_ID, response.getHostName(), requestedIds); |
| setResourceProperty(resource, TASK_ROLE_PROPERTY_ID, response.getRole(), requestedIds); |
| setResourceProperty(resource, TASK_COMMAND_PROPERTY_ID, response.getCommand(), requestedIds); |
| setResourceProperty(resource, TASK_STATUS_PROPERTY_ID, response.getStatus(), requestedIds); |
| setResourceProperty(resource, TASK_EXIT_CODE_PROPERTY_ID, response.getExitCode(), requestedIds); |
| setResourceProperty(resource, TASK_STDERR_PROPERTY_ID, response.getStderr(), requestedIds); |
| setResourceProperty(resource, TASK_STOUT_PROPERTY_ID, response.getStdout(), requestedIds); |
| setResourceProperty(resource, TASK_START_TIME_PROPERTY_ID, response.getStartTime(), requestedIds); |
| setResourceProperty(resource, TASK_ATTEMPT_CNT_PROPERTY_ID, response.getAttemptCount(), requestedIds); |
| resources.add(resource); |
| } |
| } |
| return resources; |
| } |
| |
| @Override |
| public RequestStatus updateResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| throw new UnsupportedOperationException("Not currently supported."); |
| } |
| |
| @Override |
| public RequestStatus deleteResources(Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| throw new UnsupportedOperationException("Not currently supported."); |
| } |
| |
| // ----- utility methods ------------------------------------------------- |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return pkPropertyIds; |
| } |
| |
| /** |
| * Get a component request object from a map of property values. |
| * |
| * @param properties the predicate |
| * |
| * @return the component request object |
| */ |
| private TaskStatusRequest getRequest(Map<String, Object> properties) { |
| String taskId = (String) properties.get(TASK_ID_PROPERTY_ID); |
| Long task_id = (taskId == null? null: Long.valueOf(taskId)); |
| return new TaskStatusRequest( |
| Long.valueOf((String) properties.get(TASK_REQUEST_ID_PROPERTY_ID)), |
| task_id); |
| } |
| } |