allocdir

Documentation

Overview

Functions shared between linux/darwin.

Index

• Variables
• type AllocDir
  • func NewAllocDir(allocDir string) *AllocDir
  • func (d *AllocDir) Build(tasks []*structs.Task) error
  • func (d *AllocDir) Destroy() error
  • func (d *AllocDir) Embed(task string, dirs map[string]string) error
  • func (d *AllocDir) MountSharedDir(task string) error

Variables

var (
	// The name of the directory that is shared across tasks in a task group.
	SharedAllocName = "alloc"

	// The set of directories that exist inside eache shared alloc directory.
	SharedAllocDirs = []string{"logs", "tmp", "data"}

	// The name of the directory that exists inside each task directory
	// regardless of driver.
	TaskLocal = "local"
)

Types

type AllocDir

type AllocDir struct {
	// AllocDir is the directory used for storing any state
	// of this allocation. It will be purged on alloc destroy.
	AllocDir string

	// The shared directory is available to all tasks within the same task
	// group.
	SharedDir string

	// TaskDirs is a mapping of task names to their non-shared directory.
	TaskDirs map[string]string
	// contains filtered or unexported fields
}

func NewAllocDir

func NewAllocDir(allocDir string) *AllocDir

func (*AllocDir) Build

func (d *AllocDir) Build(tasks []*structs.Task) error

Given a list of a task build the correct alloc structure.

func (*AllocDir) Destroy

func (d *AllocDir) Destroy() error

Tears down previously build directory structure.

func (*AllocDir) Embed

func (d *AllocDir) Embed(task string, dirs map[string]string) error

Embed takes a mapping of absolute directory paths on the host to their intended, relative location within the task directory. Embed attempts hardlink and then defaults to copying. If the path exists on the host and can't be embeded an error is returned.

func (*AllocDir) MountSharedDir

func (d *AllocDir) MountSharedDir(task string) error

MountSharedDir mounts the shared directory into the specified task's directory. Mount is documented at an OS level in their respective implementation files.