Package org.apache.flink.kubernetes.operator.metrics.lifecycle

Class LifecycleMetrics<CR extends org.apache.flink.kubernetes.operator.api.AbstractFlinkResource<?,?>>

java.lang.Object

org.apache.flink.kubernetes.operator.metrics.lifecycle.LifecycleMetrics<CR>

Type Parameters:

CR - Flink resource type.

All Implemented Interfaces:

CustomResourceMetrics<CR>

public class LifecycleMetrics<CR extends org.apache.flink.kubernetes.operator.api.AbstractFlinkResource<?,?>>
extends java.lang.Object
implements CustomResourceMetrics<CR>

Utility for tracking resource lifecycle metrics globally and per namespace.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	LifecycleMetrics.Transition	Pojo for encapsulating state transitions and whether we should measure time from the beginning of from or since the last update.

Field Summary

Fields

Modifier and Type	Field	Description
static java.util.List<LifecycleMetrics.Transition>	TRACKED_TRANSITIONS

Constructor Summary

Constructors

Constructor	Description
LifecycleMetrics(org.apache.flink.configuration.Configuration configuration, KubernetesOperatorMetricGroup operatorMetricGroup)

Method Summary

Modifier and Type	Method	Description
protected java.util.Map<org.apache.flink.api.java.tuple.Tuple2<java.lang.String,java.lang.String>,ResourceLifecycleMetricTracker>	getLifecycleTrackers()
void	onRemove(CR cr)
void	onUpdate(CR cr)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TRACKED_TRANSITIONS

public static final java.util.List<LifecycleMetrics.Transition> TRACKED_TRANSITIONS

Constructor Detail

LifecycleMetrics

public LifecycleMetrics(org.apache.flink.configuration.Configuration configuration,
                        KubernetesOperatorMetricGroup operatorMetricGroup)

Method Detail

onUpdate

public void onUpdate(CR cr)

Specified by:

onUpdate in interface CustomResourceMetrics<CR extends org.apache.flink.kubernetes.operator.api.AbstractFlinkResource<?,?>>

onRemove

public void onRemove(CR cr)

Specified by:

onRemove in interface CustomResourceMetrics<CR extends org.apache.flink.kubernetes.operator.api.AbstractFlinkResource<?,?>>

getLifecycleTrackers

@VisibleForTesting
protected java.util.Map<org.apache.flink.api.java.tuple.Tuple2<java.lang.String,java.lang.String>,ResourceLifecycleMetricTracker> getLifecycleTrackers()