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Inject the mappings count metric into the library package

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so that it can be initialized with an exporter-specific name.

Signed-off-by: Matthias Rampke <mr@soundcloud.com>
This commit is contained in:
Matthias Rampke 2018-08-14 09:31:38 +00:00
parent 40a13e604f
commit d9f305b6f2
No known key found for this signature in database
GPG key ID: 2CDE413A9BD0A5BC
4 changed files with 11 additions and 31 deletions
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2
main.go
View file

@ -188,7 +188,7 @@ func main() {
go tl.Listen(events)
}
mapper := &mapper.MetricMapper{}
mapper := &mapper.MetricMapper{MappingsCount: mappingsCount}
if *mappingConfig != "" {
err := mapper.InitFromFile(*mappingConfig)
if err != nil {

6
pkg/mapper/mapper.go
View file

@ -44,6 +44,8 @@ type MetricMapper struct {
Defaults mapperConfigDefaults `yaml:"defaults"`
Mappings []MetricMapping `yaml:"mappings"`
mutex sync.Mutex
MappingsCount prometheus.Gauge
}
type matchMetricType string
@ -159,7 +161,9 @@ func (m *MetricMapper) InitFromYAMLString(fileContents string) error {
m.Defaults = n.Defaults
m.Mappings = n.Mappings
mappingsCount.Set(float64(len(n.Mappings)))
if m.MappingsCount != nil {
m.MappingsCount.Set(float64(len(n.Mappings)))
}
return nil
}

29
pkg/mapper/telemetry.go
View file

@ -1,29 +0,0 @@
// Copyright 2013 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 mapper
import (
"github.com/prometheus/client_golang/prometheus"
)
var (
mappingsCount = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "statsd_exporter_loaded_mappings",
Help: "The current number of configured metric mappings.",
})
)
func init() {
prometheus.MustRegister(mappingsCount)
}

5
telemetry.go
View file

@ -91,6 +91,10 @@ var (
},
[]string{"outcome"},
)
mappingsCount = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "statsd_exporter_loaded_mappings",
Help: "The current number of configured metric mappings.",
})
conflictingEventStats = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "statsd_exporter_events_conflict_total",
@ -112,5 +116,6 @@ func init() {
prometheus.MustRegister(tagsReceived)
prometheus.MustRegister(tagErrors)
prometheus.MustRegister(configLoads)
prometheus.MustRegister(mappingsCount)
prometheus.MustRegister(conflictingEventStats)
}