utils

func CalcFileChecksum ¶

func CalcFileChecksum(fs v1.FS, fileName string) (string, error)

CalcFileChecksum opens the given file and returns the sha256 checksum of it.

func ConcatFiles ¶

func ConcatFiles(fs v1.FS, sources []string, target string) (err error)

ConcatFiles Copies source files to target file using Fs interface. Source files are concatenated into target file in the given order. If target is a directory source is copied into that directory using 1st source name file.

func CopyDir ¶ added in v0.4.4

func CopyDir(src string, dst string) error

CopyDir copies the contents of the source directory to the destination directory.

func CopyFile ¶

func CopyFile(fs v1.FS, source string, target string) (err error)

CopyFile Copies source file to target file using Fs interface. If target is directory source is copied into that directory using source name file.

func CreateDirStructure ¶

func CreateDirStructure(fs v1.FS, target string) error

Copies source file to target file using Fs interface

func CreateSquashFS ¶

func CreateSquashFS(runner v1.Runner, logger sdkTypes.KairosLogger, source string, destination string, options []string) error

CreateSquashFS creates a squash file at destination from a source, with options TODO: Check validity of source maybe?

func CreateTar ¶

func CreateTar(log sdkTypes.KairosLogger, srctar, dstimageTar, imagename, architecture, OS string) error

CreateTar a imagetarball from a standard tarball

func DD ¶ added in v0.4.4

func DD(inputFile, outputFile string, bs, count, skip, seek int64) error

DD copies a file from input file to output file with the given block size, count, skip and seek. Mimics the dd utility

func DirSize ¶

func DirSize(fs v1.FS, path string) (int64, error)

DirSize returns the accumulated size of all files in folder

func Exists ¶

func Exists(fs v1.FS, path string) (bool, error)

Check if a file or directory exists.

func GetArchFromRootfs ¶ added in v0.5.4

func GetArchFromRootfs(rootfs string, l sdkTypes.KairosLogger) (string, error)

GetArchFromRootfs returns the architecture from the rootfs of a Kairos image

func GolangArchToArch ¶

func GolangArchToArch(arch string) (string, error)

func IsAmd64 ¶

func IsAmd64(arch string) bool

func IsArm64 ¶

func IsArm64(arch string) bool

func IsDir ¶

func IsDir(fs v1.FS, path string) (bool, error)

IsDir check if the path is a dir

func MkdirAll ¶

func MkdirAll(fs v1.FS, name string, mode os.FileMode) (err error)

MkdirAll directory and all parents if not existing

func NameFromCmdline ¶

func NameFromCmdline(basename, cmdline string) string

NameFromCmdline returns the name of the efi/conf file based on the cmdline we want to have at least 1 efi file that its the default, that is the one we ship with the iso/media/whatever install medium that one has the default cmdline + the install cmdline For that one, we use it as the BASE one, configs will only trigger for that install stanza if we are on install media so we dont have to worry about it, but we want to provide a clean name for it so in that case we dont add anything to the efi name/conf name/cmdline inside the config For the other ones, we add the cmdline to the efi name and the cmdline to the conf file so you get - norole.efi - norole.conf - norole_interactive-install.efi - norole_interactive-install.conf This is mostly for convenience in generating the names as the real data is stored in the config file but it can easily be used to identify the efi file and the conf file.

func NameFromRootfs ¶ added in v0.6.5

func NameFromRootfs(rootfs string) string

NameFromRootfs This generates the artifact name based on the rootfs kairos-release files name of isos for example so we store them equally: kairos-ubuntu-24.04-core-amd64-generic-v3.2.4.iso Raw images kairos-ubuntu-24.04-core-amd64-generic-v3.2.4.raw Containers 24.10-core-amd64-generic-v3.3.1 22.04-core-arm64-rpi4-v3.3.1 UKI containers 24.04-core-amd64-generic-v3.3.1-uki raw images for boards 22.04-core-arm64-rpi4-v3.3.1-img So basically for iso/raw images we append kairos and the distro name for containers we store them under the distro name (ubuntu, opensuse, etc) as the repo name and then the rest is for the tag quay.io/kairos/ubuntu:24.04-core-amd64-generic-v3.2.4 so in here we only return the shared part of the name its the callers responsibility to add the rest of the name if its building an iso or raw image also, no extension is added to the name, so its up to the caller to add it

func SafeOCIName ¶ added in v0.8.2

func SafeOCIName(name string) string

SafeOCIName returns a string version of the artifact name without + which are invalid in labels

func ServeUkiPXE ¶ added in v0.8.0

func ServeUkiPXE(isoFile string, log types.KairosLogger) error

ServeUkiPXE starts a HTTP+DHCP server that serves the UKI ISO file over HTTP.

func Tar ¶

func Tar(src string, writers ...io.Writer) error

Tar takes a source and variable writers and walks 'source' writing each file found to the tar writer; the purpose for accepting multiple writers is to allow for multiple outputs (for example a file, or md5 hash)

func TempDir ¶

func TempDir(fs v1.FS, dir, prefix string) (name string, err error)

TempDir creates a temp file in the virtual fs Took from afero.FS code and adapted