| /** |
| * 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.resourcemanager.webapp; |
| |
| import com.google.inject.Inject; |
| import org.apache.commons.lang.StringEscapeUtils; |
| import org.apache.hadoop.util.StringUtils; |
| import org.apache.hadoop.yarn.api.records.NodeState; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.NodeInfo; |
| import org.apache.hadoop.yarn.util.Times; |
| import org.apache.hadoop.yarn.webapp.SubView; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TABLE; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TBODY; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| |
| import java.util.Collection; |
| |
| import static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_LABEL; |
| import static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_STATE; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES_ID; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.initID; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.tableInit; |
| |
| class NodesPage extends RmView { |
| |
| static class NodesBlock extends HtmlBlock { |
| final ResourceManager rm; |
| private static final long BYTES_IN_MB = 1024 * 1024; |
| private static final long BYTES_IN_GB = 1024 * 1024 * 1024; |
| private static boolean opportunisticContainersEnabled; |
| |
| @Inject |
| NodesBlock(ResourceManager rm, ViewContext ctx) { |
| super(ctx); |
| this.rm = rm; |
| this.opportunisticContainersEnabled = YarnConfiguration |
| .isOpportunisticContainerAllocationEnabled( |
| this.rm.getRMContext().getYarnConfiguration()); |
| } |
| |
| @Override |
| protected void render(Block html) { |
| html._(MetricsOverviewTable.class); |
| |
| ResourceScheduler sched = rm.getResourceScheduler(); |
| |
| String type = $(NODE_STATE); |
| String labelFilter = $(NODE_LABEL, CommonNodeLabelsManager.ANY).trim(); |
| Hamlet.TR<Hamlet.THEAD<TABLE<Hamlet>>> trbody = |
| html.table("#nodes").thead().tr() |
| .th(".nodelabels", "Node Labels") |
| .th(".rack", "Rack") |
| .th(".state", "Node State") |
| .th(".nodeaddress", "Node Address") |
| .th(".nodehttpaddress", "Node HTTP Address") |
| .th(".lastHealthUpdate", "Last health-update") |
| .th(".healthReport", "Health-report"); |
| |
| if (!this.opportunisticContainersEnabled) { |
| trbody.th(".containers", "Containers") |
| .th(".mem", "Mem Used") |
| .th(".mem", "Mem Avail") |
| .th(".vcores", "VCores Used") |
| .th(".vcores", "VCores Avail"); |
| } else { |
| trbody.th(".containers", "Running Containers (G)") |
| .th(".mem", "Mem Used (G)") |
| .th(".mem", "Mem Avail (G)") |
| .th(".vcores", "VCores Used (G)") |
| .th(".vcores", "VCores Avail (G)") |
| .th(".containers", "Running Containers (O)") |
| .th(".mem", "Mem Used (O)") |
| .th(".vcores", "VCores Used (O)") |
| .th(".containers", "Queued Containers"); |
| } |
| |
| TBODY<TABLE<Hamlet>> tbody = |
| trbody.th(".nodeManagerVersion", "Version")._()._().tbody(); |
| |
| NodeState stateFilter = null; |
| if (type != null && !type.isEmpty()) { |
| stateFilter = NodeState.valueOf(StringUtils.toUpperCase(type)); |
| } |
| Collection<RMNode> rmNodes = this.rm.getRMContext().getRMNodes().values(); |
| boolean isInactive = false; |
| if (stateFilter != null) { |
| switch (stateFilter) { |
| case DECOMMISSIONED: |
| case LOST: |
| case REBOOTED: |
| case SHUTDOWN: |
| rmNodes = this.rm.getRMContext().getInactiveRMNodes().values(); |
| isInactive = true; |
| break; |
| case DECOMMISSIONING: |
| // Do nothing |
| break; |
| default: |
| LOG.debug("Unexpected state filter for inactive RM node"); |
| } |
| } |
| StringBuilder nodeTableData = new StringBuilder("[\n"); |
| for (RMNode ni : rmNodes) { |
| if (stateFilter != null) { |
| NodeState state = ni.getState(); |
| if (!stateFilter.equals(state)) { |
| continue; |
| } |
| } else { |
| // No filter. User is asking for all nodes. Make sure you skip the |
| // unhealthy nodes. |
| if (ni.getState() == NodeState.UNHEALTHY) { |
| continue; |
| } |
| } |
| // Besides state, we need to filter label as well. |
| if (!labelFilter.equals(RMNodeLabelsManager.ANY)) { |
| if (labelFilter.isEmpty()) { |
| // Empty label filter means only shows nodes without label |
| if (!ni.getNodeLabels().isEmpty()) { |
| continue; |
| } |
| } else if (!ni.getNodeLabels().contains(labelFilter)) { |
| // Only nodes have given label can show on web page. |
| continue; |
| } |
| } |
| NodeInfo info = new NodeInfo(ni, sched); |
| int usedMemory = (int) info.getUsedMemory(); |
| int availableMemory = (int) info.getAvailableMemory(); |
| nodeTableData.append("[\"") |
| .append(StringUtils.join(",", info.getNodeLabels())).append("\",\"") |
| .append(info.getRack()).append("\",\"").append(info.getState()) |
| .append("\",\"").append(info.getNodeId()); |
| if (isInactive) { |
| nodeTableData.append("\",\"").append("N/A").append("\",\""); |
| } else { |
| String httpAddress = info.getNodeHTTPAddress(); |
| nodeTableData.append("\",\"<a ").append("href='" + "//" + httpAddress) |
| .append("'>").append(httpAddress).append("</a>\",").append("\""); |
| } |
| nodeTableData.append("<br title='") |
| .append(String.valueOf(info.getLastHealthUpdate())).append("'>") |
| .append(Times.format(info.getLastHealthUpdate())).append("\",\"") |
| .append(StringEscapeUtils.escapeJava(info.getHealthReport())).append("\",\"") |
| .append(String.valueOf(info.getNumContainers())).append("\",\"") |
| .append("<br title='").append(String.valueOf(usedMemory)) |
| .append("'>").append(StringUtils.byteDesc(usedMemory * BYTES_IN_MB)) |
| .append("\",\"").append("<br title='") |
| .append(String.valueOf(availableMemory)).append("'>") |
| .append(StringUtils.byteDesc(availableMemory * BYTES_IN_MB)) |
| .append("\",\"").append(String.valueOf(info.getUsedVirtualCores())) |
| .append("\",\"") |
| .append(String.valueOf(info.getAvailableVirtualCores())) |
| .append("\",\""); |
| |
| // If opportunistic containers are enabled, add extra fields. |
| if (this.opportunisticContainersEnabled) { |
| nodeTableData |
| .append(String.valueOf(info.getNumRunningOpportContainers())) |
| .append("\",\"").append("<br title='") |
| .append(String.valueOf(info.getUsedMemoryOpportGB())).append("'>") |
| .append(StringUtils.byteDesc( |
| info.getUsedMemoryOpportGB() * BYTES_IN_GB)) |
| .append("\",\"") |
| .append(String.valueOf(info.getUsedVirtualCoresOpport())) |
| .append("\",\"") |
| .append(String.valueOf(info.getNumQueuedContainers())) |
| .append("\",\""); |
| } |
| |
| nodeTableData.append(ni.getNodeManagerVersion()) |
| .append("\"],\n"); |
| } |
| if (nodeTableData.charAt(nodeTableData.length() - 2) == ',') { |
| nodeTableData.delete(nodeTableData.length() - 2, |
| nodeTableData.length() - 1); |
| } |
| nodeTableData.append("]"); |
| html.script().$type("text/javascript") |
| ._("var nodeTableData=" + nodeTableData)._(); |
| tbody._()._(); |
| } |
| } |
| |
| @Override |
| protected void preHead(Page.HTML<_> html) { |
| commonPreHead(html); |
| String type = $(NODE_STATE); |
| String title = "Nodes of the cluster"; |
| if (type != null && !type.isEmpty()) { |
| title = title + " (" + type + ")"; |
| } |
| setTitle(title); |
| set(DATATABLES_ID, "nodes"); |
| set(initID(DATATABLES, "nodes"), nodesTableInit()); |
| setTableStyles(html, "nodes", ".healthStatus {width:10em}", |
| ".healthReport {width:10em}"); |
| } |
| |
| @Override |
| protected Class<? extends SubView> content() { |
| return NodesBlock.class; |
| } |
| |
| private String nodesTableInit() { |
| StringBuilder b = tableInit().append(", 'aaData': nodeTableData") |
| .append(", bDeferRender: true").append(", bProcessing: true") |
| .append(", aoColumnDefs: ["); |
| b.append("{'bSearchable': false, 'aTargets': [ 7 ]}"); |
| b.append(", {'sType': 'title-numeric', 'bSearchable': false, " |
| + "'aTargets': [ 8, 9 ] }"); |
| b.append(", {'sType': 'title-numeric', 'aTargets': [ 5 ]}"); |
| b.append("]}"); |
| return b.toString(); |
| } |
| } |
