worker

Documentation

Overview

Package worker implements the logic to extract useful informations from a container layer and store it in the database.

Index

• Constants
• Variables
• func Process(ID, parentID, path string) error

Constants

const (
	// Version (integer) represents the worker version.
	// Increased each time the engine changes.
	Version = 1
)

Variables

var (

	// ErrUnsupported is the error that should be raised when an OS or package
	// manager is not supported.
	ErrUnsupported = errors.New("worker: OS and/or package manager are not supported")

	// ErrParentUnknown is the error that should be raised when a parent layer
	// has yet to be processed for the current layer.
	ErrParentUnknown = errors.New("worker: parent layer is unknown, it must be processed first")

	// SupportedOS is the list of operating system names that the worker supports.
	SupportedOS = []string{"debian", "ubuntu", "centos"}
)

Functions

func Process

func Process(ID, parentID, path string) error

Process detects the OS of a layer, the packages it installs/removes, and then stores everything in the database.