check

Documentation

Overview

package check provides various checks for the operating system that are necessary software to work, e.g. version of the kernel whether aufs is supported, etc

Index

• func CheckFS(fs string) (bool, error)
• func CheckUserGroup(userName, groupName, uid, gid string) (u *user.User, err error)
• func IsBtrfsVolume(dirPath string) (isBtrfs bool, err error)
• func KernelVersion() (int, error)
• func ParseMountsFile() (map[string]string, error)

Functions

func CheckFS

func CheckFS(fs string) (bool, error)

Return a nil error if the kernel supports a given filesystem (like "aufs" or "overlay")

func CheckUserGroup

func CheckUserGroup(userName, groupName, uid, gid string) (u *user.User, err error)

CheckUserGroup checks if a user specified with userName has been created. If no user has been created - it will attempt to create one. It will also attempt to create a group specified with groupName.

func IsBtrfsVolume

func IsBtrfsVolume(dirPath string) (isBtrfs bool, err error)

IsBtrfsVolume determines if dirPath is located on BTRFS filesystem

func KernelVersion

func KernelVersion() (int, error)

func ParseMountsFile

func ParseMountsFile() (map[string]string, error)

ParseMountsFile reads and parses /proc/mounts Returns a map "mount point" -> "fs type"