39 lines
1.2 KiB
Go
39 lines
1.2 KiB
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 storage
|
|
|
|
import (
|
|
clientmodel "github.com/prometheus/client_golang/model"
|
|
)
|
|
|
|
// SampleAppender is the interface to append samples to both, local and remote
|
|
// storage.
|
|
type SampleAppender interface {
|
|
Append(*clientmodel.Sample)
|
|
}
|
|
|
|
// Tee is a SampleAppender that appends every sample to two other
|
|
// SampleAppenders.
|
|
type Tee struct {
|
|
Appender1, Appender2 SampleAppender
|
|
}
|
|
|
|
// Append implements SampleAppender. It appends the provided sample first
|
|
// to Appender1, then to Appender2, waiting for each to return before
|
|
// proceeding.
|
|
func (t Tee) Append(s *clientmodel.Sample) {
|
|
t.Appender1.Append(s)
|
|
t.Appender2.Append(s)
|
|
}
|