prometheus/discovery/discoverer_metrics_noop.go

// Copyright 2015 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 discovery

// Create a dummy metrics struct, because this SD doesn't have any metrics.
type NoopDiscovererMetrics struct{}

var _ DiscovererMetrics = (*NoopDiscovererMetrics)(nil)

// Register implements discovery.DiscovererMetrics.
func (*NoopDiscovererMetrics) Register() error {
	return nil
}

// Unregister implements discovery.DiscovererMetrics.
func (*NoopDiscovererMetrics) Unregister() {
}