/**
* 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 static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_STATE;
import static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_LABEL;
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;
import java.util.Collection;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.api.records.NodeState;
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.hamlet.Hamlet.TR;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import com.google.inject.Inject;
class NodesPage extends RmView {
static class NodesBlock extends HtmlBlock {
final ResourceManager rm;
private static final long BYTES_IN_MB = 1024 * 1024;
@Inject
NodesBlock(ResourceManager rm, ViewContext ctx) {
super(ctx);
this.rm = rm;
}
@Override
protected void render(Block html) {
html._(MetricsOverviewTable.class);
ResourceScheduler sched = rm.getResourceScheduler();
String type = $(NODE_STATE);
String labelFilter = $(NODE_LABEL, CommonNodeLabelsManager.ANY).trim();
TBODY<TABLE<Hamlet>> tbody =
html.table("#nodes").thead().tr()
.th(".nodelabels", "节点标签")
.th(".rack", "机位")
.th(".state", "节点状态")
.th(".nodeaddress", "节点地址")
.th(".nodehttpaddress", "节点HTTP地址")
.th(".lastHealthUpdate", "状态更新时间")
.th(".healthReport", "状态报告")
.th(".containers", "Containers")
.th(".mem", "耗内存")
.th(".mem", "余内存")
.th(".vcores", "耗核")
.th(".vcores", "余核")
.th(".nodeManagerVersion", "版本")._()._().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:
rmNodes = this.rm.getRMContext().getInactiveRMNodes().values();
isInactive = true;
break;
default:
LOG.debug("Unexpected state filter for inactive RM node");
}
}
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();
TR<TBODY<TABLE<Hamlet>>> row =
tbody.tr().td(StringUtils.join(",", info.getNodeLabels()))
.td(info.getRack()).td(info.getState()).td(info.getNodeId());
if (isInactive) {
row.td()._("N/A")._();
} else {
String httpAddress = info.getNodeHTTPAddress();
row.td().a("//" + httpAddress, httpAddress)._();
}
row.td().br().$title(String.valueOf(info.getLastHealthUpdate()))._()
._(Times.format(info.getLastHealthUpdate()))._()
.td(info.getHealthReport())
.td(String.valueOf(info.getNumContainers())).td().br()
.$title(String.valueOf(usedMemory))._()
._(StringUtils.byteDesc(usedMemory * BYTES_IN_MB))._().td().br()
.$title(String.valueOf(availableMemory))._()
._(StringUtils.byteDesc(availableMemory * BYTES_IN_MB))._()
.td(String.valueOf(info.getUsedVirtualCores()))
.td(String.valueOf(info.getAvailableVirtualCores()))
.td(ni.getNodeManagerVersion())._();
}
tbody._()._();
}
}
@Override
protected void preHead(Page.HTML<_> html) {
commonPreHead(html);
String type = $(NODE_STATE);
String title = "集群节点信息";
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(", 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();
}
}