53 lines
1.9 KiB
Go
53 lines
1.9 KiB
Go
// Copyright 2014 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"flag"
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"fmt"
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"strings"
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"time"
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"github.com/google/cadvisor/cache/memory"
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"github.com/google/cadvisor/storage"
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_ "github.com/google/cadvisor/storage/bigquery"
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_ "github.com/google/cadvisor/storage/elasticsearch"
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_ "github.com/google/cadvisor/storage/influxdb"
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_ "github.com/google/cadvisor/storage/kafka"
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_ "github.com/google/cadvisor/storage/redis"
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_ "github.com/google/cadvisor/storage/statsd"
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_ "github.com/google/cadvisor/storage/stdout"
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"github.com/golang/glog"
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)
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var (
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storageDriver = flag.String("storage_driver", "", fmt.Sprintf("Storage `driver` to use. Data is always cached shortly in memory, this controls where data is pushed besides the local cache. Empty means none. Options are: <empty>, %s", strings.Join(storage.ListDrivers(), ", ")))
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storageDuration = flag.Duration("storage_duration", 2*time.Minute, "How long to keep data stored (Default: 2min).")
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)
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// NewMemoryStorage creates a memory storage with an optional backend storage option.
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func NewMemoryStorage() (*memory.InMemoryCache, error) {
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backendStorage, err := storage.New(*storageDriver)
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if err != nil {
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return nil, err
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}
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if *storageDriver != "" {
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glog.Infof("Using backend storage type %q", *storageDriver)
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}
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glog.Infof("Caching stats in memory for %v", *storageDuration)
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return memory.New(*storageDuration, backendStorage), nil
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}
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