| /** |
| * 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.hadoop.yarn.server.nodemanager; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.LogAggregationReport; |
| import org.apache.hadoop.yarn.server.api.records.AppCollectorData; |
| import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManager; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.ResourcePluginManager; |
| import org.apache.hadoop.yarn.server.nodemanager.logaggregation.tracker.NMLogAggregationStatusTracker; |
| import org.apache.hadoop.yarn.server.nodemanager.metrics.NodeManagerMetrics; |
| import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService; |
| import org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerAllocator; |
| import org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager; |
| import org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM; |
| import org.apache.hadoop.yarn.server.nodemanager.timelineservice.NMTimelinePublisher; |
| import org.apache.hadoop.yarn.server.security.ApplicationACLsManager; |
| |
| /** |
| * Context interface for sharing information across components in the |
| * NodeManager. |
| */ |
| public interface Context { |
| |
| /** |
| * Return the nodeId. Usable only when the ContainerManager is started. |
| * |
| * @return the NodeId |
| */ |
| NodeId getNodeId(); |
| |
| /** |
| * Return the node http-address. Usable only after the Webserver is started. |
| * |
| * @return the http-port |
| */ |
| int getHttpPort(); |
| |
| ConcurrentMap<ApplicationId, Application> getApplications(); |
| |
| Map<ApplicationId, Credentials> getSystemCredentialsForApps(); |
| |
| /** |
| * Get the list of collectors that are registering with the RM from this node. |
| * @return registering collectors, or null if the timeline service v.2 is not |
| * enabled |
| */ |
| ConcurrentMap<ApplicationId, AppCollectorData> getRegisteringCollectors(); |
| |
| /** |
| * Get the list of collectors registered with the RM and known by this node. |
| * @return known collectors, or null if the timeline service v.2 is not |
| * enabled. |
| */ |
| ConcurrentMap<ApplicationId, AppCollectorData> getKnownCollectors(); |
| |
| ConcurrentMap<ContainerId, Container> getContainers(); |
| |
| ConcurrentMap<ContainerId, org.apache.hadoop.yarn.api.records.Container> |
| getIncreasedContainers(); |
| |
| NMContainerTokenSecretManager getContainerTokenSecretManager(); |
| |
| NMTokenSecretManagerInNM getNMTokenSecretManager(); |
| |
| NodeHealthStatus getNodeHealthStatus(); |
| |
| ContainerManager getContainerManager(); |
| |
| NodeResourceMonitor getNodeResourceMonitor(); |
| |
| LocalDirsHandlerService getLocalDirsHandler(); |
| |
| ApplicationACLsManager getApplicationACLsManager(); |
| |
| NMStateStoreService getNMStateStore(); |
| |
| boolean getDecommissioned(); |
| |
| Configuration getConf(); |
| |
| void setDecommissioned(boolean isDecommissioned); |
| |
| ConcurrentLinkedQueue<LogAggregationReport> |
| getLogAggregationStatusForApps(); |
| |
| NodeStatusUpdater getNodeStatusUpdater(); |
| |
| boolean isDistributedSchedulingEnabled(); |
| |
| OpportunisticContainerAllocator getContainerAllocator(); |
| |
| void setNMTimelinePublisher(NMTimelinePublisher nmMetricsPublisher); |
| |
| NMTimelinePublisher getNMTimelinePublisher(); |
| |
| NMLogAggregationStatusTracker getNMLogAggregationStatusTracker(); |
| |
| ContainerExecutor getContainerExecutor(); |
| |
| ContainerStateTransitionListener getContainerStateTransitionListener(); |
| |
| ResourcePluginManager getResourcePluginManager(); |
| |
| NodeManagerMetrics getNodeManagerMetrics(); |
| |
| /** |
| * Get the {@code DeletionService} associated with the NM. |
| * |
| * @return the NM {@code DeletionService}. |
| */ |
| DeletionService getDeletionService(); |
| } |