mount

Documentation

Overview

Package mount provides general data structure for mount and mount namespace (multiple mounts) definition.

Index

• type Builder
  • func NewBuilder() *Builder
  • func NewDefaultBuilder() *Builder
  • func (b *Builder) Build() ([]SyscallParams, error)
  • func (b *Builder) FilterNotExist() *Builder
  • func (b Builder) String() string
  • func (b *Builder) WithBind(source, target string, readonly bool) *Builder
  • func (b *Builder) WithMount(m Mount) *Builder
  • func (b *Builder) WithMounts(m []Mount) *Builder
  • func (b *Builder) WithProc() *Builder
  • func (b *Builder) WithProcRW(canWrite bool) *Builder
  • func (b *Builder) WithTmpfs(target, data string) *Builder
• type Mount
  • func (m Mount) IsBindMount() bool
  • func (m Mount) IsReadOnly() bool
  • func (m Mount) IsTmpFs() bool
  • func (m *Mount) Mount() error
  • func (m Mount) String() string
  • func (m *Mount) ToSyscall() (*SyscallParams, error)
• type SyscallParams

Types

type Builder

type Builder struct {
	Mounts []Mount
}

Builder builds fork_exec friendly mount syscall format

func NewBuilder

func NewBuilder() *Builder

NewBuilder creates new mount builder instance

func NewDefaultBuilder

func NewDefaultBuilder() *Builder

NewDefaultBuilder creates default builder for minimal rootfs

func (*Builder) Build

func (b *Builder) Build() ([]SyscallParams, error)

Build creates sequence of syscalls for fork_exec

func (*Builder) FilterNotExist

func (b *Builder) FilterNotExist() *Builder

FilterNotExist removes bind mount that does not exists

func (Builder) String

func (b Builder) String() string

func (*Builder) WithBind

func (b *Builder) WithBind(source, target string, readonly bool) *Builder

WithBind adds a bind mount to builder

func (*Builder) WithMount

func (b *Builder) WithMount(m Mount) *Builder

WithMount adds single mount to builder

func (*Builder) WithMounts

func (b *Builder) WithMounts(m []Mount) *Builder

WithMounts adds mounts to builder

func (*Builder) WithProc

func (b *Builder) WithProc() *Builder

WithProc adds proc file system mounted read-only

func (*Builder) WithProcRW

func (b *Builder) WithProcRW(canWrite bool) *Builder

WithProcRW adds proc file system, possibly read-write

func (*Builder) WithTmpfs

func (b *Builder) WithTmpfs(target, data string) *Builder

WithTmpfs adds a tmpfs mount to builder

type Mount

type Mount struct {
	Source, Target, FsType, Data string
	Flags                        uintptr
}

Mount defines syscall for mount points

func (Mount) IsBindMount

func (m Mount) IsBindMount() bool

IsBindMount returns if it is a bind mount

func (Mount) IsReadOnly

func (m Mount) IsReadOnly() bool

IsReadOnly returns if it is a readonly mount

func (Mount) IsTmpFs

func (m Mount) IsTmpFs() bool

IsTmpFs returns if the fsType is tmpfs

func (*Mount) Mount

func (m *Mount) Mount() error

Mount calls mount syscall

func (Mount) String

func (m Mount) String() string

func (*Mount) ToSyscall

func (m *Mount) ToSyscall() (*SyscallParams, error)

ToSyscall convert Mount to SyscallPrams

type SyscallParams

type SyscallParams struct {
	Source, Target, FsType, Data *byte
	Flags                        uintptr
	Prefixes                     []*byte
	MakeNod                      bool
}

SyscallParams defines the raw syscall arguments to mount