/
blackhole.go
49 lines (38 loc) · 1.35 KB
/
blackhole.go
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// PromHouse
// Copyright (C) 2017 Percona LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package storages
import (
"context"
"github.com/prometheus/client_golang/prometheus"
"github.com/Percona-Lab/PromHouse/prompb"
)
// Blackhole is a non-functional dummy storage for testing.
type Blackhole struct{}
func NewBlackhole() *Blackhole {
return new(Blackhole)
}
func (m *Blackhole) Describe(c chan<- *prometheus.Desc) {
}
func (m *Blackhole) Collect(c chan<- prometheus.Metric) {
}
func (m *Blackhole) Read(ctx context.Context, queries []Query) (*prompb.ReadResponse, error) {
return nil, nil
}
func (m *Blackhole) Write(ctx context.Context, data *prompb.WriteRequest) error {
return nil
}
// check interface
var _ Storage = (*Blackhole)(nil)