/
config.go
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/
config.go
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// Copyright The OpenTelemetry 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 prometheusexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter"
import (
"time"
"github.com/prometheus/client_golang/prometheus"
"go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/service/featuregate"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/resourcetotelemetry"
)
// Config defines configuration for Prometheus exporter.
type Config struct {
config.ExporterSettings `mapstructure:",squash"` // squash ensures fields are correctly decoded in embedded struct
// Endpoint is the address on which the Prometheus scrape handler will be run on.
Endpoint string `mapstructure:"endpoint"`
// Namespace if set, exports metrics under the provided value.
Namespace string `mapstructure:"namespace"`
// ConstLabels are values that are applied for every exported metric.
ConstLabels prometheus.Labels `mapstructure:"const_labels"`
// SendTimestamps will send the underlying scrape timestamp with the export
SendTimestamps bool `mapstructure:"send_timestamps"`
// MetricExpiration defines how long metrics are kept without updates
MetricExpiration time.Duration `mapstructure:"metric_expiration"`
// ResourceToTelemetrySettings defines configuration for converting resource attributes to metric labels.
ResourceToTelemetrySettings resourcetotelemetry.Settings `mapstructure:"resource_to_telemetry_conversion"`
// EnableOpenMetrics enables the use of the OpenMetrics encoding option for the prometheus exporter.
EnableOpenMetrics bool `mapstructure:"enable_open_metrics"`
// skipSanitizeLabel if enabled, labels that start with _ are not sanitized
skipSanitizeLabel bool
}
var _ config.Exporter = (*Config)(nil)
var dropSanitizationGate = featuregate.Gate{
ID: "exporter.prometheus.PermissiveLabelSanitization",
Enabled: false,
Description: "Controls whether to change labels starting with '_' to 'key_'",
}
// Validate checks if the exporter configuration is valid
func (cfg *Config) Validate() error {
return nil
}