util

func ApplyTemplate ¶

func ApplyTemplate(
	dir string,
	data interface{},
	deleteSources bool,
	strict bool,
) error

ApplyTemplate runs golang templating on all files in the provided path, replacing them in-place with their templated versions.

func CloneRepo ¶

func CloneRepo(ctx context.Context, url string, ref string, path string) error

CloneRepo makes a shallow clone of the argument repo at a single ref.

See https://stackoverflow.com/questions/3489173/how-to-clone-git-repository-with-specific-revision-changeset for a discussion of the commands run.

func CompareJSONObjs ¶

func CompareJSONObjs(t *testing.T, exp kruntime.Object, actual kruntime.Object)

CompareJSONObjs compares two objects via their JSON representations. This is much easier to debug that comparing the objects directly.

func Confirm ¶

func Confirm(ctx context.Context, prompt string, skip bool) (bool, error)

Confirm gets a yes/no confirmation from the user on the command-line before continuing.

func DirExists ¶

func DirExists(path string) (bool, error)

DirExists returns whether the given path exists and is a directory.

func FileExists ¶

func FileExists(path string) (bool, error)

FileExists returns whether the given path exists and is a file.

func GetContents ¶

func GetContents(t *testing.T, root string) map[string][]string

GetContents returns the contents of a directory as a map from file name to string content lines.

func GetFileContents ¶

func GetFileContents(t *testing.T, path string) string

GetFileContents gets the string contents of a single file.

func RecursiveCopy ¶

func RecursiveCopy(srcDir string, destDir string) error

RecursiveCopy does a recursive copy from the source directory to the destination one.

func RemoveDirs ¶

func RemoveDirs(rootDir string, indicatorName string) error

RemoveDirs removes all directories that contain a file with the specified indicatorName (e.g., ".noexpand"). This is used to prune directories that are used for templating/generation but are not valid kube configs.

func RunCmdWithPrinters ¶

func RunCmdWithPrinters(
	ctx context.Context,
	command string,
	args []string,
	extraEnv []string,
	blockedEnv map[string]struct{},
	stdoutPrinter Printer,
	stderrPrinter Printer,
) error

RunCmdWithPrinters runs a command with output streamed via custom printer functions. Adapted from example in https://github.com/golang/go/issues/19685#issuecomment-288949629.

func WriteFiles ¶

func WriteFiles(t *testing.T, baseDir string, files map[string]string)

WriteFiles takes a map of paths to file contents and uses this to write out files to the file system.