// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0

package konfig

// RecognizedKustomizationFileNames is a list of file names
// that kustomize recognizes.
// To avoid ambiguity, a kustomization directory may not
// contain more than one match to this list.
func RecognizedKustomizationFileNames() []string {
	return []string{
		"kustomization.yaml",
		"kustomization.yml",
		"Kustomization",
	}
}

func DefaultKustomizationFileName() string {
	return RecognizedKustomizationFileNames()[0]
}

const (
	// An environment variable to consult for kustomization
	// configuration data.  See:
	// https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
	XdgConfigHomeEnv = "XDG_CONFIG_HOME"

	// Use this when XdgConfigHomeEnv not defined.
	XdgConfigHomeEnvDefault = ".config"

	// A program name, for use in help, finding the XDG_CONFIG_DIR, etc.
	ProgramName = "kustomize"

	// ConfigAnnoDomain is internal configuration-related annotation namespace.
	// See https://github.com/kubernetes-sigs/kustomize/blob/master/cmd/config/docs/api-conventions/functions-spec.md.
	ConfigAnnoDomain = "internal.config.kubernetes.io"

	// If a resource has this annotation, kustomize will drop it.
	IgnoredByKustomizeAnnotation = "config.kubernetes.io/local-config"

	// Label key that indicates the resources are built from Kustomize
	ManagedbyLabelKey = "app.kubernetes.io/managed-by"

	// An environment variable to turn on/off adding the ManagedByLabelKey
	EnableManagedbyLabelEnv = "KUSTOMIZE_ENABLE_MANAGEDBY_LABEL"

	// Label key that indicates the resources are validated by a validator
	ValidatedByLabelKey = "validated-by"

	// Annotation key for marking helm-generated resources to skip namespace transformation
	HelmGeneratedAnnotation = ConfigAnnoDomain + "/helm-generated"
)