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78411d5e8b
SD Managers take over responsibility for SD metrics registration --------- Signed-off-by: Paulin Todev <paulin.todev@gmail.com> Signed-off-by: Björn Rabenstein <github@rabenste.in> Co-authored-by: Björn Rabenstein <github@rabenste.in>
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package discovery
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import (
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"fmt"
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"github.com/prometheus/client_golang/prometheus"
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)
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var (
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clientGoRequestMetrics = &clientGoRequestMetricAdapter{}
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clientGoWorkloadMetrics = &clientGoWorkqueueMetricsProvider{}
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)
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func init() {
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clientGoRequestMetrics.RegisterWithK8sGoClient()
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clientGoWorkloadMetrics.RegisterWithK8sGoClient()
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}
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// Metrics to be used with a discovery manager.
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type Metrics struct {
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FailedConfigs prometheus.Gauge
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DiscoveredTargets *prometheus.GaugeVec
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ReceivedUpdates prometheus.Counter
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DelayedUpdates prometheus.Counter
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SentUpdates prometheus.Counter
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}
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func NewManagerMetrics(registerer prometheus.Registerer, sdManagerName string) (*Metrics, error) {
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m := &Metrics{}
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m.FailedConfigs = prometheus.NewGauge(
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prometheus.GaugeOpts{
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Name: "prometheus_sd_failed_configs",
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Help: "Current number of service discovery configurations that failed to load.",
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ConstLabels: prometheus.Labels{"name": sdManagerName},
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},
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)
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m.DiscoveredTargets = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "prometheus_sd_discovered_targets",
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Help: "Current number of discovered targets.",
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ConstLabels: prometheus.Labels{"name": sdManagerName},
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},
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[]string{"config"},
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)
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m.ReceivedUpdates = prometheus.NewCounter(
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prometheus.CounterOpts{
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Name: "prometheus_sd_received_updates_total",
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Help: "Total number of update events received from the SD providers.",
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ConstLabels: prometheus.Labels{"name": sdManagerName},
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},
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)
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m.DelayedUpdates = prometheus.NewCounter(
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prometheus.CounterOpts{
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Name: "prometheus_sd_updates_delayed_total",
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Help: "Total number of update events that couldn't be sent immediately.",
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ConstLabels: prometheus.Labels{"name": sdManagerName},
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},
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)
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m.SentUpdates = prometheus.NewCounter(
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prometheus.CounterOpts{
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Name: "prometheus_sd_updates_total",
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Help: "Total number of update events sent to the SD consumers.",
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ConstLabels: prometheus.Labels{"name": sdManagerName},
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},
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)
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metrics := []prometheus.Collector{
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m.FailedConfigs,
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m.DiscoveredTargets,
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m.ReceivedUpdates,
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m.DelayedUpdates,
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m.SentUpdates,
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}
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for _, collector := range metrics {
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err := registerer.Register(collector)
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if err != nil {
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return nil, fmt.Errorf("failed to register discovery manager metrics: %w", err)
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}
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}
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return m, nil
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}
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