函数Linux syscall.Mount
需要文件系统类型。
如果您尝试使用文件系统auto
运行它,如下所示:
func main(){
if err := syscall.Mount("/dev/sda1", "/mnt1", "auto", 0, "w"); err != nil {
log.Printf("Mount(\"%s\", \"%s\", \"auto\", 0, \"rw\")\n","/dev/sda1","/mnt1")
log.Fatal(err)
}
}
它将失败,并显示no such device
。 here已经描述为Linux syscall.Mount
仅包装mount(2)
,which doesn't itself support the concept of an "auto" fstype。
我知道如何使用bash查找它:
root@ubuntu:~/go/src# blkid /dev/sda1
/dev/sda1: UUID="527c895c-864e-4f4c-8fba-460754181173" TYPE="ext4" PARTUUID="db5c2e63-01"
或
root@ubuntu:~/go/src# file -sL /dev/sda1
/dev/sda1: Linux rev 1.0 ext4 filesystem data, UUID=527c895c-864e-4f4c-8fba-460754181173 (needs journal recovery) (extents) (large files) (huge files)
在两种情况下,您都获得ext4
文件系统类型。
在Go中用auto
替换ext4
将解决问题,但是我感兴趣的是,如何使用Go获取文件系统类型,例如/dev/sda1
?
是否有类似于blkid
或file
的功能可以显示设备的文件系统类型?
答案 0 :(得分:6)
您尝试使用package blkid吗?它似乎是开箱即用的,因为它在内部实现了import re
text = "hello ,world!"
replaces = {"hello": "hi", "world":" 2020", "!":"."}
regex = re.sub("|".join(replaces.keys()), lambda match: replaces[match.string[match.start():match.end()]], text)
print(regex)
shell命令(请参阅blkid.go#L101)。您只需获取从blkid
函数返回的地图的键名,然后在您的API中重复使用它
Blkid()
package main
import (
"fmt"
blkid "github.com/LDCS/qslinux/blkid"
)
func main() {
rmap := blkid.Blkid(false)
var key string
var result *blkid.Blkiddata
for key, result = range rmap {
fmt.Printf("Devname: %q\n", key)
}
fmt.Printf("Uuid_=%q\n", result.Uuid_)
fmt.Printf("Uuidsub_=%q\n", result.Uuidsub_)
fmt.Printf("Type_=%q\n", result.Type_)
fmt.Printf("Label_=%q\n", result.Label_)
fmt.Printf("Parttype_=%q\n", result.Parttype_)
fmt.Printf("Partuuid_=%q\n", result.Partuuid_)
fmt.Printf("Partlabel_ =%q\n", result.Partlabel_)
}
结构包含默认Linux版本中的所有信息
Blkiddata
只需使用以下模块即可
type Blkiddata struct {
Devname_ string
Uuid_ string
Uuidsub_ string
Type_ string
Label_ string
Parttype_ string
Partuuid_ string
Partlabel_ string
}
它还实现了其他Linux utils系列-go get github.com/LDCS/qslinux/blkid
,df
,dmidecode
,etcfstab
,etchosts
,etcservice
, etcshadow
,etcuser
,hp
,md
,nmap
,parted
,scsi
和smartctl
。参见module github.com/LDCS/qslinux