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Documentation

Index

• Constants
• func GetHostIDMappings(pid string) ([]specs.LinuxIDMapping, []specs.LinuxIDMapping, error)
• func GetRootlessUID() int
• func HasCapSysAdmin() (bool, error)
• func HomeDir() (string, error)
• func IsRootless() bool
• func MaybeReexecUsingUserNamespace(evenForRoot bool)
• func ParseIDMappings(uidmap, gidmap []string) ([]idtools.IDMap, []idtools.IDMap, error)
• func RootlessEnv() []string

Constants

const (
	// UsernsEnvName is the environment variable, if set indicates in rootless mode
	UsernsEnvName = "_CONTAINERS_USERNS_CONFIGURED"
)

Functions

func GetHostIDMappings

func GetHostIDMappings(pid string) ([]specs.LinuxIDMapping, []specs.LinuxIDMapping, error)

GetHostIDMappings reads mappings for the specified process (or the current process if pid is "self" or an empty string) from the kernel.

func GetRootlessUID

func GetRootlessUID() int

GetRootlessUID returns the UID of the user in the parent userNS

func HasCapSysAdmin

func HasCapSysAdmin() (bool, error)

HasCapSysAdmin returns whether the current process has CAP_SYS_ADMIN.

func HomeDir

func HomeDir() (string, error)

HomeDir returns the home directory for the current user.

func IsRootless

func IsRootless() bool

IsRootless tells us if we are running in rootless mode

func MaybeReexecUsingUserNamespace

func MaybeReexecUsingUserNamespace(evenForRoot bool)

MaybeReexecUsingUserNamespace re-exec the process in a new namespace

func ParseIDMappings

func ParseIDMappings(uidmap, gidmap []string) ([]idtools.IDMap, []idtools.IDMap, error)

ParseIDMappings parses mapping triples.

func RootlessEnv

func RootlessEnv() []string

RootlessEnv returns the environment settings for the rootless containers