mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-30 07:59:40 -08:00
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
// Copyright 2015 The Prometheus 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 kubernetes
|
|
|
|
import (
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
|
|
"github.com/prometheus/prometheus/discovery"
|
|
)
|
|
|
|
var _ discovery.DiscovererMetrics = (*kubernetesMetrics)(nil)
|
|
|
|
type kubernetesMetrics struct {
|
|
eventCount *prometheus.CounterVec
|
|
failuresCount prometheus.Counter
|
|
|
|
metricRegisterer discovery.MetricRegisterer
|
|
}
|
|
|
|
func newDiscovererMetrics(reg prometheus.Registerer, rmi discovery.RefreshMetricsInstantiator) discovery.DiscovererMetrics {
|
|
m := &kubernetesMetrics{
|
|
eventCount: prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Namespace: discovery.KubernetesMetricsNamespace,
|
|
Name: "events_total",
|
|
Help: "The number of Kubernetes events handled.",
|
|
},
|
|
[]string{"role", "event"},
|
|
),
|
|
failuresCount: prometheus.NewCounter(
|
|
prometheus.CounterOpts{
|
|
Namespace: discovery.KubernetesMetricsNamespace,
|
|
Name: "failures_total",
|
|
Help: "The number of failed WATCH/LIST requests.",
|
|
},
|
|
),
|
|
}
|
|
|
|
m.metricRegisterer = discovery.NewMetricRegisterer(reg, []prometheus.Collector{
|
|
m.eventCount,
|
|
m.failuresCount,
|
|
})
|
|
|
|
// Initialize metric vectors.
|
|
for _, role := range []string{
|
|
RoleEndpointSlice.String(),
|
|
RoleEndpoint.String(),
|
|
RoleNode.String(),
|
|
RolePod.String(),
|
|
RoleService.String(),
|
|
RoleIngress.String(),
|
|
} {
|
|
for _, evt := range []string{
|
|
MetricLabelRoleAdd,
|
|
MetricLabelRoleDelete,
|
|
MetricLabelRoleUpdate,
|
|
} {
|
|
m.eventCount.WithLabelValues(role, evt)
|
|
}
|
|
}
|
|
|
|
m.failuresCount.Add(0)
|
|
|
|
return m
|
|
}
|
|
|
|
// Register implements discovery.DiscovererMetrics.
|
|
func (m *kubernetesMetrics) Register() error {
|
|
return m.metricRegisterer.RegisterMetrics()
|
|
}
|
|
|
|
// Unregister implements discovery.DiscovererMetrics.
|
|
func (m *kubernetesMetrics) Unregister() {
|
|
m.metricRegisterer.UnregisterMetrics()
|
|
}
|