fsgofer

Documentation

Overview

Package fsgofer implements p9.File giving access to local files using a simple mapping from a path prefix that is added to the path requested by the sandbox. Ex:

prefix: "/docker/imgs/alpine"
app path: /bin/ls => /docker/imgs/alpine/bin/ls

Index

• func ControlSocketAddr(id string) string
• func NewAttachPoint(prefix string, c Config) (p9.Attacher, error)
• func OpenProcSelfFD() error
• type Config

Functions

func ControlSocketAddr

func ControlSocketAddr(id string) string

ControlSocketAddr generates an abstract unix socket name for the given id.

func NewAttachPoint

func NewAttachPoint(prefix string, c Config) (p9.Attacher, error)

NewAttachPoint creates a new attacher that gives local file access to all files under 'prefix'. 'prefix' must be an absolute path.

func OpenProcSelfFD

func OpenProcSelfFD() error

OpenProcSelfFD opens the /proc/self/fd directory, which will be used to reopen file descriptors.

Types

type Config

type Config struct {
	// ROMount is set to true if this is a readonly mount.
	ROMount bool

	// PanicOnWrite panics on attempts to write to RO mounts.
	PanicOnWrite bool

	// HostUDS signals whether the gofer can mount a host's UDS.
	HostUDS bool
}

Config sets configuration options for each attach point.