prometheus/util/testutil/storage.go
Brian Brazil 5c9a6ce747 Add license to files.
This should fix CI for dev-2.0.
2017-04-19 13:46:22 +01:00

60 lines
1.6 KiB
Go

// Copyright 2017 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 testutil
import (
"io/ioutil"
"os"
"time"
"github.com/prometheus/common/log"
"github.com/prometheus/prometheus/storage"
"github.com/prometheus/prometheus/storage/tsdb"
)
// NewStorage returns a new storage for testing purposes
// that removes all associated files on closing.
func NewStorage(t T) storage.Storage {
dir, err := ioutil.TempDir("", "test_storage")
if err != nil {
t.Fatalf("Opening test dir failed: %s", err)
}
log.With("dir", dir).Debugln("opening test storage")
db, err := tsdb.Open(dir, nil, &tsdb.Options{
MinBlockDuration: 2 * time.Hour,
MaxBlockDuration: 24 * time.Hour,
AppendableBlocks: 10,
})
if err != nil {
t.Fatalf("Opening test storage failed: %s", err)
}
return testStorage{Storage: db, dir: dir}
}
type testStorage struct {
storage.Storage
dir string
}
func (s testStorage) Close() error {
log.With("dir", s.dir).Debugln("closing test storage")
if err := s.Storage.Close(); err != nil {
return err
}
return os.RemoveAll(s.dir)
}