mirror of https://github.com/chaos-mesh/chaosd.git
47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
// Copyright 2021 Chaos Mesh Authors.
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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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package utils
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import (
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"syscall"
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"github.com/shirou/gopsutil/disk"
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)
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// GetDiskTotalSize returns the total bytes in disk
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func GetDiskTotalSize(path string) (total uint64, err error) {
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s := syscall.Statfs_t{}
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err = syscall.Statfs(path, &s)
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if err != nil {
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return 0, err
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}
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reservedBlocks := s.Bfree - s.Bavail
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total = uint64(s.Frsize) * (s.Blocks - reservedBlocks)
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return total, nil
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}
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// GetRootDevice returns the device which "/" mount on.
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func GetRootDevice() (string, error) {
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mapStat, err := disk.Partitions(false)
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if err != nil {
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return "", err
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}
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for _, stat := range mapStat {
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if stat.Mountpoint == "/" {
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return stat.Device, nil
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}
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}
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return "", nil
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}
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