alertmanager/api/metrics/metrics.go

56 lines
2.0 KiB
Go

// Copyright 2019 Prometheus Team
// 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 "github.com/prometheus/client_golang/prometheus"
// Alerts stores metrics for alerts.
type Alerts struct {
firing prometheus.Counter
resolved prometheus.Counter
invalid prometheus.Counter
}
// NewAlerts returns an *Alerts struct for the given API version.
// Since v1 was deprecated in 0.28, v2 is now hardcoded.
func NewAlerts(r prometheus.Registerer) *Alerts {
numReceivedAlerts := prometheus.NewCounterVec(prometheus.CounterOpts{
Name: "alertmanager_alerts_received_total",
Help: "The total number of received alerts.",
ConstLabels: prometheus.Labels{"version": "v2"},
}, []string{"status"})
numInvalidAlerts := prometheus.NewCounter(prometheus.CounterOpts{
Name: "alertmanager_alerts_invalid_total",
Help: "The total number of received alerts that were invalid.",
ConstLabels: prometheus.Labels{"version": "v2"},
})
if r != nil {
r.MustRegister(numReceivedAlerts, numInvalidAlerts)
}
return &Alerts{
firing: numReceivedAlerts.WithLabelValues("firing"),
resolved: numReceivedAlerts.WithLabelValues("resolved"),
invalid: numInvalidAlerts,
}
}
// Firing returns a counter of firing alerts.
func (a *Alerts) Firing() prometheus.Counter { return a.firing }
// Resolved returns a counter of resolved alerts.
func (a *Alerts) Resolved() prometheus.Counter { return a.resolved }
// Invalid returns a counter of invalid alerts.
func (a *Alerts) Invalid() prometheus.Counter { return a.invalid }