vendor updates

vendor/k8s.io/kubernetes/pkg/scheduler/metrics/BUILD

@@ -0,0 +1,26 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["metrics.go"],
+    importpath = "k8s.io/kubernetes/pkg/scheduler/metrics",
+    deps = ["//vendor/github.com/prometheus/client_golang/prometheus:go_default_library"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/scheduler/metrics/metrics.go

@@ -0,0 +1,113 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed 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 metrics
+
+import (
+	"sync"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+const schedulerSubsystem = "scheduler"
+
+// All the histogram based metrics have 1ms as size for the smallest bucket.
+var (
+	E2eSchedulingLatency = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "e2e_scheduling_latency_microseconds",
+			Help:      "E2e scheduling latency (scheduling algorithm + binding)",
+			Buckets:   prometheus.ExponentialBuckets(1000, 2, 15),
+		},
+	)
+	SchedulingAlgorithmLatency = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "scheduling_algorithm_latency_microseconds",
+			Help:      "Scheduling algorithm latency",
+			Buckets:   prometheus.ExponentialBuckets(1000, 2, 15),
+		},
+	)
+	SchedulingAlgorithmPredicateEvaluationDuration = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "scheduling_algorithm_predicate_evaluation",
+			Help:      "Scheduling algorithm predicate evaluation duration",
+			Buckets:   prometheus.ExponentialBuckets(1000, 2, 15),
+		},
+	)
+	SchedulingAlgorithmPriorityEvaluationDuration = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "scheduling_algorithm_priority_evaluation",
+			Help:      "Scheduling algorithm priority evaluation duration",
+			Buckets:   prometheus.ExponentialBuckets(1000, 2, 15),
+		},
+	)
+	SchedulingAlgorithmPremptionEvaluationDuration = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "scheduling_algorithm_preemption_evaluation",
+			Help:      "Scheduling algorithm preemption evaluation duration",
+			Buckets:   prometheus.ExponentialBuckets(1000, 2, 15),
+		},
+	)
+	BindingLatency = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "binding_latency_microseconds",
+			Help:      "Binding latency",
+			Buckets:   prometheus.ExponentialBuckets(1000, 2, 15),
+		},
+	)
+	PreemptionVictims = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "pod_preemption_victims",
+			Help:      "Number of selected preemption victims",
+		})
+	PreemptionAttempts = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Subsystem: schedulerSubsystem,
+			Name:      "total_preemption_attempts",
+			Help:      "Total preemption attempts in the cluster till now",
+		})
+)
+
+var registerMetrics sync.Once
+
+// Register all metrics.
+func Register() {
+	// Register the metrics.
+	registerMetrics.Do(func() {
+		prometheus.MustRegister(E2eSchedulingLatency)
+		prometheus.MustRegister(SchedulingAlgorithmLatency)
+		prometheus.MustRegister(BindingLatency)
+
+		prometheus.MustRegister(SchedulingAlgorithmPredicateEvaluationDuration)
+		prometheus.MustRegister(SchedulingAlgorithmPriorityEvaluationDuration)
+		prometheus.MustRegister(SchedulingAlgorithmPremptionEvaluationDuration)
+		prometheus.MustRegister(PreemptionVictims)
+		prometheus.MustRegister(PreemptionAttempts)
+	})
+}
+
+// SinceInMicroseconds gets the time since the specified start in microseconds.
+func SinceInMicroseconds(start time.Time) float64 {
+	return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
+}