/**
* 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 org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterMetricsInfo;
import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.UserMetricsInfo;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.DIV;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import com.google.inject.Inject;
/**
* Provides an table with an overview of many cluster wide metrics and if
* per user metrics are enabled it will show an overview of what the
* current user is using on the cluster.
*/
public class MetricsOverviewTable extends HtmlBlock {
private static final long BYTES_IN_MB = 1024 * 1024;
private final RMContext rmContext;
private final ResourceManager rm;
@Inject
MetricsOverviewTable(RMContext context, ResourceManager rm, ViewContext ctx) {
super(ctx);
this.rmContext = context;
this.rm = rm;
}
@Override
protected void render(Block html) {
//Yes this is a hack, but there is no other way to insert
//CSS in the correct spot
html.style(".metrics {margin-bottom:5px}");
ClusterMetricsInfo clusterMetrics =
new ClusterMetricsInfo(this.rm, this.rmContext);
DIV<Hamlet> div = html.div().$class("metrics");
div.h3("Cluster Metrics").
table("#metricsoverview").
thead().$class("ui-widget-header").
tr().
th().$class("ui-state-default")._("Apps Submitted")._().
th().$class("ui-state-default")._("Apps Pending")._().
th().$class("ui-state-default")._("Apps Running")._().
th().$class("ui-state-default")._("Apps Completed")._().
th().$class("ui-state-default")._("Containers Running")._().
th().$class("ui-state-default")._("Memory Used")._().
th().$class("ui-state-default")._("Memory Total")._().
th().$class("ui-state-default")._("Memory Reserved")._().
th().$class("ui-state-default")._("VCores Used")._().
th().$class("ui-state-default")._("VCores Total")._().
th().$class("ui-state-default")._("VCores Reserved")._().
th().$class("ui-state-default")._("Active Nodes")._().
th().$class("ui-state-default")._("Decommissioned Nodes")._().
th().$class("ui-state-default")._("Lost Nodes")._().
th().$class("ui-state-default")._("Unhealthy Nodes")._().
th().$class("ui-state-default")._("Rebooted Nodes")._().
_().
_().
tbody().$class("ui-widget-content").
tr().
td(String.valueOf(clusterMetrics.getAppsSubmitted())).
td(String.valueOf(clusterMetrics.getAppsPending())).
td(String.valueOf(clusterMetrics.getAppsRunning())).
td(
String.valueOf(
clusterMetrics.getAppsCompleted() +
clusterMetrics.getAppsFailed() + clusterMetrics.getAppsKilled()
)
).
td(String.valueOf(clusterMetrics.getContainersAllocated())).
td(StringUtils.byteDesc(clusterMetrics.getAllocatedMB() * BYTES_IN_MB)).
td(StringUtils.byteDesc(clusterMetrics.getTotalMB() * BYTES_IN_MB)).
td(StringUtils.byteDesc(clusterMetrics.getReservedMB() * BYTES_IN_MB)).
td(String.valueOf(clusterMetrics.getAllocatedVirtualCores())).
td(String.valueOf(clusterMetrics.getTotalVirtualCores())).
td(String.valueOf(clusterMetrics.getReservedVirtualCores())).
td().a(url("nodes"),String.valueOf(clusterMetrics.getActiveNodes()))._().
td().a(url("nodes/decommissioned"),String.valueOf(clusterMetrics.getDecommissionedNodes()))._().
td().a(url("nodes/lost"),String.valueOf(clusterMetrics.getLostNodes()))._().
td().a(url("nodes/unhealthy"),String.valueOf(clusterMetrics.getUnhealthyNodes()))._().
td().a(url("nodes/rebooted"),String.valueOf(clusterMetrics.getRebootedNodes()))._().
_().
_()._();
String user = request().getRemoteUser();
if (user != null) {
UserMetricsInfo userMetrics = new UserMetricsInfo(this.rm, this.rmContext, user);
if (userMetrics.metricsAvailable()) {
div.h3("User Metrics for " + user).
table("#usermetricsoverview").
thead().$class("ui-widget-header").
tr().
th().$class("ui-state-default")._("Apps Submitted")._().
th().$class("ui-state-default")._("Apps Pending")._().
th().$class("ui-state-default")._("Apps Running")._().
th().$class("ui-state-default")._("Apps Completed")._().
th().$class("ui-state-default")._("Containers Running")._().
th().$class("ui-state-default")._("Containers Pending")._().
th().$class("ui-state-default")._("Containers Reserved")._().
th().$class("ui-state-default")._("Memory Used")._().
th().$class("ui-state-default")._("Memory Pending")._().
th().$class("ui-state-default")._("Memory Reserved")._().
th().$class("ui-state-default")._("VCores Used")._().
th().$class("ui-state-default")._("VCores Pending")._().
th().$class("ui-state-default")._("VCores Reserved")._().
_().
_().
tbody().$class("ui-widget-content").
tr().
td(String.valueOf(userMetrics.getAppsSubmitted())).
td(String.valueOf(userMetrics.getAppsPending())).
td(String.valueOf(userMetrics.getAppsRunning())).
td(
String.valueOf(
(userMetrics.getAppsCompleted() +
userMetrics.getAppsFailed() + userMetrics.getAppsKilled())
)
).
td(String.valueOf(userMetrics.getRunningContainers())).
td(String.valueOf(userMetrics.getPendingContainers())).
td(String.valueOf(userMetrics.getReservedContainers())).
td(StringUtils.byteDesc(userMetrics.getAllocatedMB() * BYTES_IN_MB)).
td(StringUtils.byteDesc(userMetrics.getPendingMB() * BYTES_IN_MB)).
td(StringUtils.byteDesc(userMetrics.getReservedMB() * BYTES_IN_MB)).
td(String.valueOf(userMetrics.getAllocatedVirtualCores())).
td(String.valueOf(userMetrics.getPendingVirtualCores())).
td(String.valueOf(userMetrics.getReservedVirtualCores())).
_().
_()._();
}
}
div._();
}
}