prometheus/storage/raw/leveldb/state.go

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// Copyright 2013 Prometheus Team
// 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 leveldb
import (
"github.com/prometheus/prometheus/utility"
"time"
)
const (
statsKey = "leveldb.stats"
sstablesKey = "leveldb.sstables"
)
// DatabaseState models a bundle of metadata about a LevelDB database used in
// template format string interpolation.
type DatabaseState struct {
LastRefreshed time.Time
Type string
Name string
Path string
LowLevelStatus string
SSTablesStatus string
ApproximateSize utility.ByteSize
Error error
}
func (l *LevelDBPersistence) State() DatabaseState {
databaseState := DatabaseState{
LastRefreshed: time.Now(),
Path: l.path,
LowLevelStatus: l.storage.PropertyValue(statsKey),
SSTablesStatus: l.storage.PropertyValue(sstablesKey),
}
if size, err := l.ApproximateSize(); err != nil {
databaseState.Error = err
} else {
databaseState.ApproximateSize = utility.ByteSize(size)
}
return databaseState
}