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Merge pull request #74080 from dims/ensure-prometheus-metrics-are-not-registered-twice

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Ensure prometheus metrics are not registered twice
This commit is contained in:
Kubernetes Prow Robot 2019-02-18 11:59:30 -08:00 committed by GitHub
commit fcaa726e60
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2 changed files with 23 additions and 7 deletions
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16
pkg/cloudprovider/providers/aws/aws_metrics.go
View File

@ -16,7 +16,11 @@ limitations under the License.
package aws
import "github.com/prometheus/client_golang/prometheus"
import (
"sync"
"github.com/prometheus/client_golang/prometheus"
)
var (
awsAPIMetric = prometheus.NewHistogramVec(
@ -53,8 +57,12 @@ func recordAWSThrottlesMetric(operation string) {
awsAPIThrottlesMetric.With(prometheus.Labels{"operation_name": operation}).Inc()
}
var registerOnce sync.Once
func registerMetrics() {
prometheus.MustRegister(awsAPIMetric)
prometheus.MustRegister(awsAPIErrorMetric)
prometheus.MustRegister(awsAPIThrottlesMetric)
registerOnce.Do(func() {
prometheus.MustRegister(awsAPIMetric)
prometheus.MustRegister(awsAPIErrorMetric)
prometheus.MustRegister(awsAPIThrottlesMetric)
})
}

14
pkg/cloudprovider/providers/openstack/openstack_metrics.go
View File

@ -16,7 +16,11 @@ limitations under the License.
package openstack
import "github.com/prometheus/client_golang/prometheus"
import (
"sync"
"github.com/prometheus/client_golang/prometheus"
)
const (
openstackSubsystem = "openstack"
@ -44,7 +48,11 @@ var (
)
)
var registerOnce sync.Once
func registerMetrics() {
prometheus.MustRegister(openstackOperationsLatency)
prometheus.MustRegister(openstackAPIRequestErrors)
registerOnce.Do(func() {
prometheus.MustRegister(openstackOperationsLatency)
prometheus.MustRegister(openstackAPIRequestErrors)
})
}