osinfo

Documentation

Index

• Constants
• func ReadOSPackages(layers []string) (layerNum int, packages *[]PackageDBEntry, err error)
• type ErrFileNotFoundInTar
  • func (e ErrFileNotFoundInTar) Error() string
• type OSType
• type PackageDBEntry
  • func (e *PackageDBEntry) DownloadLocation() string
  • func (e *PackageDBEntry) PackageURL() string

Constants

const (
	OsReleasePath    = "etc/os-release"
	AltOSReleasePath = "usr/lib/os-release"
)

Functions

func ReadOSPackages

func ReadOSPackages(layers []string) (
	layerNum int, packages *[]PackageDBEntry, err error,
)

ReadOSPackages reads a bunch of layers and extracts the os package information from them, it returns the OS package and the layer where they are defined. If the OS is not supported, we return a nil pointer.

Types

type ErrFileNotFoundInTar

type ErrFileNotFoundInTar struct{}

func (ErrFileNotFoundInTar) Error

func (e ErrFileNotFoundInTar) Error() string

type OSType

type OSType string

const (
	OSAlpine      OSType = "alpine"
	OSAmazonLinux OSType = "amazonlinux"
	OSCentos      OSType = "centos"
	OSDebian      OSType = "debian"
	OSDistroless  OSType = "distroless"
	OSFedora      OSType = "fedora"
	OSRHEL        OSType = "rhel"
	OSUbuntu      OSType = "ubuntu"
	OSWolfi       OSType = "wolfi"
)

type PackageDBEntry

type PackageDBEntry struct {
	Package         string
	Version         string
	Architecture    string
	Type            string // purl package type (ref: https://github.com/package-url/purl-spec/blob/master/PURL-TYPES.rst)
	Namespace       string // purl namespace
	MaintainerName  string
	MaintainerEmail string
	HomePage        string
	License         string // License expression
	Checksums       map[string]string
}

func (*PackageDBEntry) DownloadLocation

func (e *PackageDBEntry) DownloadLocation() string

DownloadLocation synthesizes a download location for the packages based on known location for the different distros

func (*PackageDBEntry) PackageURL

func (e *PackageDBEntry) PackageURL() string

PackageURL returns a purl representing the db entry. If the entry does not have enough data to generate the purl, it will return an empty string