Mark deprecated in related workqueue metrics

pkg/util/workqueue/prometheus/prometheus.go

@@ -131,7 +131,7 @@ func (prometheusMetricsProvider) NewDeprecatedDepthMetric(name string) workqueue
 	depth := prometheus.NewGauge(prometheus.GaugeOpts{
 		Subsystem: name,
 		Name:      "depth",
-		Help:      "Current depth of workqueue: " + name,
+		Help:      "(Deprecated) Current depth of workqueue: " + name,
 	})
 	prometheus.Register(depth)
 	return depth
@@ -141,7 +141,7 @@ func (prometheusMetricsProvider) NewDeprecatedAddsMetric(name string) workqueue.
 	adds := prometheus.NewCounter(prometheus.CounterOpts{
 		Subsystem: name,
 		Name:      "adds",
-		Help:      "Total number of adds handled by workqueue: " + name,
+		Help:      "(Deprecated) Total number of adds handled by workqueue: " + name,
 	})
 	prometheus.Register(adds)
 	return adds
@@ -151,7 +151,7 @@ func (prometheusMetricsProvider) NewDeprecatedLatencyMetric(name string) workque
 	latency := prometheus.NewSummary(prometheus.SummaryOpts{
 		Subsystem: name,
 		Name:      "queue_latency",
-		Help:      "How long an item stays in workqueue" + name + " before being requested.",
+		Help:      "(Deprecated) How long an item stays in workqueue" + name + " before being requested.",
 	})
 	prometheus.Register(latency)
 	return latency
@@ -161,7 +161,7 @@ func (prometheusMetricsProvider) NewDeprecatedWorkDurationMetric(name string) wo
 	workDuration := prometheus.NewSummary(prometheus.SummaryOpts{
 		Subsystem: name,
 		Name:      "work_duration",
-		Help:      "How long processing an item from workqueue" + name + " takes.",
+		Help:      "(Deprecated) How long processing an item from workqueue" + name + " takes.",
 	})
 	prometheus.Register(workDuration)
 	return workDuration
@@ -171,7 +171,7 @@ func (prometheusMetricsProvider) NewDeprecatedUnfinishedWorkSecondsMetric(name s
 	unfinished := prometheus.NewGauge(prometheus.GaugeOpts{
 		Subsystem: name,
 		Name:      "unfinished_work_seconds",
-		Help: "How many seconds of work " + name + " has done that " +
+		Help: "(Deprecated) How many seconds of work " + name + " has done that " +
 			"is in progress and hasn't been observed by work_duration. Large " +
 			"values indicate stuck threads. One can deduce the number of stuck " +
 			"threads by observing the rate at which this increases.",
@@ -184,7 +184,7 @@ func (prometheusMetricsProvider) NewDeprecatedLongestRunningProcessorMicrosecond
 	unfinished := prometheus.NewGauge(prometheus.GaugeOpts{
 		Subsystem: name,
 		Name:      "longest_running_processor_microseconds",
-		Help: "How many microseconds has the longest running " +
+		Help: "(Deprecated) How many microseconds has the longest running " +
 			"processor for " + name + " been running.",
 	})
 	prometheus.Register(unfinished)
@@ -195,7 +195,7 @@ func (prometheusMetricsProvider) NewDeprecatedRetriesMetric(name string) workque
 	retries := prometheus.NewCounter(prometheus.CounterOpts{
 		Subsystem: name,
 		Name:      "retries",
-		Help:      "Total number of retries handled by workqueue: " + name,
+		Help:      "(Deprecated) Total number of retries handled by workqueue: " + name,
 	})
 	prometheus.Register(retries)
 	return retries