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48 lines
1.3 KiB
48 lines
1.3 KiB
// +build !windows
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/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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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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*
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*/
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package disk
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import (
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"os"
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"syscall"
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)
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// IsRootDisk returns if diskPath belongs to root-disk, i.e the disk mounted at "/"
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func IsRootDisk(diskPath string) (bool, error) {
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rootDisk := false
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diskInfo, err := os.Stat(diskPath)
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if err != nil {
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return false, err
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}
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rootInfo, err := os.Stat("/etc/hosts")
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if err != nil {
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return false, err
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}
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diskStat, diskStatOK := diskInfo.Sys().(*syscall.Stat_t)
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rootStat, rootStatOK := rootInfo.Sys().(*syscall.Stat_t)
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if diskStatOK && rootStatOK {
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if diskStat.Dev == rootStat.Dev {
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// Indicate if the disk path is on root disk. This is used to indicate the healing
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// process not to format the drive and end up healing it.
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rootDisk = true
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}
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}
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return rootDisk, nil
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}
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