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storagedriver.go
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/
storagedriver.go
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// Copyright 2014 Google Inc. All Rights Reserved.
//
// 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 main
import (
"flag"
"time"
"github.com/google/cadvisor/cache/memory"
"github.com/google/cadvisor/storage"
_ "github.com/google/cadvisor/storage/bigquery"
_ "github.com/google/cadvisor/storage/elasticsearch"
_ "github.com/google/cadvisor/storage/influxdb"
_ "github.com/google/cadvisor/storage/redis"
_ "github.com/google/cadvisor/storage/statsd"
_ "github.com/google/cadvisor/storage/stdout"
"github.com/golang/glog"
)
var storageDuration = flag.Duration("storage_duration", 2*time.Minute, "How long to keep data stored (Default: 2min).")
// NewMemoryStorage creates a memory storage with an optional backend storage option.
func NewMemoryStorage(backendStorageName string) (*memory.InMemoryCache, error) {
backendStorage, err := storage.New(backendStorageName)
if err != nil {
return nil, err
}
if backendStorageName != "" {
glog.Infof("Using backend storage type %q", backendStorageName)
}
glog.Infof("Caching stats in memory for %v", *storageDuration)
storageDriver := memory.New(*storageDuration, backendStorage)
return storageDriver, nil
}