protected override void Render(HtmlBlock.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);
Hamlet.DIV <Org.Apache.Hadoop.Yarn.Webapp.Hamlet.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(clusterMetrics
.GetAppsSubmitted().ToString()).Td(clusterMetrics.GetAppsPending().ToString()).Td
(clusterMetrics.GetAppsRunning().ToString()).Td((clusterMetrics.GetAppsCompleted
() + clusterMetrics.GetAppsFailed() + clusterMetrics.GetAppsKilled()).ToString()
).Td(clusterMetrics.GetContainersAllocated().ToString()).Td(StringUtils.ByteDesc
(clusterMetrics.GetAllocatedMB() * BytesInMb)).Td(StringUtils.ByteDesc(clusterMetrics
.GetTotalMB() * BytesInMb)).Td(StringUtils.ByteDesc(clusterMetrics.GetReservedMB
() * BytesInMb)).Td(clusterMetrics.GetAllocatedVirtualCores().ToString()).Td(clusterMetrics
.GetTotalVirtualCores().ToString()).Td(clusterMetrics.GetReservedVirtualCores().
ToString()).Td().A(Url("nodes"), clusterMetrics.GetActiveNodes().ToString()).().
Td().A(Url("nodes/decommissioned"), clusterMetrics.GetDecommissionedNodes().ToString
()).().Td().A(Url("nodes/lost"), clusterMetrics.GetLostNodes().ToString()).().Td
().A(Url("nodes/unhealthy"), clusterMetrics.GetUnhealthyNodes().ToString()).().Td
().A(Url("nodes/rebooted"), clusterMetrics.GetRebootedNodes().ToString()).().().
().();
string user = Request().GetRemoteUser();
if (user != null)
{
UserMetricsInfo userMetrics = new UserMetricsInfo(this.rm, 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().$class("ui-widget-content").Tr().Td(userMetrics
.GetAppsSubmitted().ToString()).Td(userMetrics.GetAppsPending().ToString()).Td(userMetrics
.GetAppsRunning().ToString()).Td((userMetrics.GetAppsCompleted() + userMetrics.GetAppsFailed
() + userMetrics.GetAppsKilled()).ToString()).Td(userMetrics.GetRunningContainers
().ToString()).Td(userMetrics.GetPendingContainers().ToString()).Td(userMetrics.
GetReservedContainers().ToString()).Td(StringUtils.ByteDesc(userMetrics.GetAllocatedMB
() * BytesInMb)).Td(StringUtils.ByteDesc(userMetrics.GetPendingMB() * BytesInMb)
).Td(StringUtils.ByteDesc(userMetrics.GetReservedMB() * BytesInMb)).Td(userMetrics
.GetAllocatedVirtualCores().ToString()).Td(userMetrics.GetPendingVirtualCores().
ToString()).Td(userMetrics.GetReservedVirtualCores().ToString()).().().();
}
}
SchedulerInfo schedulerInfo = new SchedulerInfo(this.rm);
div.H3("Scheduler Metrics").Table("#schedulermetricsoverview").Thead().$class("ui-widget-header"
).Tr().Th().$class("ui-state-default").("Scheduler Type").().Th().$class("ui-state-default"
).("Scheduling Resource Type").().Th().$class("ui-state-default").("Minimum Allocation"
).().Th().$class("ui-state-default").("Maximum Allocation").().().().Tbody().$class
("ui-widget-content").Tr().Td(schedulerInfo.GetSchedulerType().ToString()).Td(schedulerInfo
.GetSchedulerResourceTypes().ToString()).Td(schedulerInfo.GetMinAllocation().ToString
()).Td(schedulerInfo.GetMaxAllocation().ToString()).().().();
div.();
}