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reporter.go
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reporter.go
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// 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
//
// https://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.
//
// Original source: github.com/micro/micro/v3/metrics/logging/reporter.go
package logging
import (
"time"
"github.com/micro/micro/v3/service/logger"
"github.com/micro/micro/v3/service/metrics"
)
const (
defaultLoggingLevel = logger.TraceLevel
)
// Reporter is an implementation of metrics.Reporter:
type Reporter struct {
options metrics.Options
}
// New returns a configured logging reporter:
func New(opts ...metrics.Option) *Reporter {
logger.Logf(logger.InfoLevel, "Metrics/Logging - metrics will be logged (at %s level)", defaultLoggingLevel.String())
return &Reporter{
options: metrics.NewOptions(opts...),
}
}
// Count implements the metrics.Reporter interface Count method:
func (r *Reporter) Count(metricName string, value int64, tags metrics.Tags) error {
logger.Logf(defaultLoggingLevel, "Count metric: (%s: %d) %s", metricName, value, tags)
return nil
}
// Gauge implements the metrics.Reporter interface Gauge method:
func (r *Reporter) Gauge(metricName string, value float64, tags metrics.Tags) error {
logger.Logf(defaultLoggingLevel, "Gauge metric: (%s: %f) %s", metricName, value, tags)
return nil
}
// Timing implements the metrics.Reporter interface Timing method:
func (r *Reporter) Timing(metricName string, value time.Duration, tags metrics.Tags) error {
logger.Logf(defaultLoggingLevel, "Timing metric: (%s: %s) %s", metricName, value.String(), tags)
return nil
}
// convertTags turns Tags into prometheus labels:
func convertTags(tags metrics.Tags) map[string]interface{} {
labels := make(map[string]interface{})
for key, value := range tags {
labels[key] = value
}
return labels
}