Export noFieldError

This would allow user's of the kustomize API to determine whether the
error received while trying to access a value at a specific field-path
occurred because that field doesn't exist, or if it was something else
that went wrong.
This commit is contained in:
Ian Howell
2020-04-03 14:22:14 -05:00
parent 0f3d5c80e4
commit 5ea34b2efb

View File

@@ -133,7 +133,7 @@ func (fs *UnstructAdapter) selectSubtree(path string) (map[string]interface{}, [
func (fs *UnstructAdapter) GetFieldValue(path string) (interface{}, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
s, found, err := unstructured.NestedFieldNoCopy(
@@ -141,14 +141,14 @@ func (fs *UnstructAdapter) GetFieldValue(path string) (interface{}, error) {
if found || err != nil {
return s, err
}
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
// GetString returns value at the given fieldpath.
func (fs *UnstructAdapter) GetString(path string) (string, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return "", noFieldError{Field: path}
return "", NoFieldError{Field: path}
}
s, found, err := unstructured.NestedString(
@@ -156,14 +156,14 @@ func (fs *UnstructAdapter) GetString(path string) (string, error) {
if found || err != nil {
return s, err
}
return "", noFieldError{Field: path}
return "", NoFieldError{Field: path}
}
// GetStringSlice returns value at the given fieldpath.
func (fs *UnstructAdapter) GetStringSlice(path string) ([]string, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return []string{}, noFieldError{Field: path}
return []string{}, NoFieldError{Field: path}
}
s, found, err := unstructured.NestedStringSlice(
@@ -171,14 +171,14 @@ func (fs *UnstructAdapter) GetStringSlice(path string) ([]string, error) {
if found || err != nil {
return s, err
}
return []string{}, noFieldError{Field: path}
return []string{}, NoFieldError{Field: path}
}
// GetBool returns value at the given fieldpath.
func (fs *UnstructAdapter) GetBool(path string) (bool, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return false, noFieldError{Field: path}
return false, NoFieldError{Field: path}
}
s, found, err := unstructured.NestedBool(
@@ -186,7 +186,7 @@ func (fs *UnstructAdapter) GetBool(path string) (bool, error) {
if found || err != nil {
return s, err
}
return false, noFieldError{Field: path}
return false, NoFieldError{Field: path}
}
// GetFloat64 returns value at the given fieldpath.
@@ -201,14 +201,14 @@ func (fs *UnstructAdapter) GetFloat64(path string) (float64, error) {
if found || err != nil {
return s, err
}
return 0, noFieldError{Field: path}
return 0, NoFieldError{Field: path}
}
// GetInt64 returns value at the given fieldpath.
func (fs *UnstructAdapter) GetInt64(path string) (int64, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return 0, noFieldError{Field: path}
return 0, NoFieldError{Field: path}
}
s, found, err := unstructured.NestedInt64(
@@ -216,14 +216,14 @@ func (fs *UnstructAdapter) GetInt64(path string) (int64, error) {
if found || err != nil {
return s, err
}
return 0, noFieldError{Field: path}
return 0, NoFieldError{Field: path}
}
// GetSlice returns value at the given fieldpath.
func (fs *UnstructAdapter) GetSlice(path string) ([]interface{}, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
s, found, err := unstructured.NestedSlice(
@@ -231,14 +231,14 @@ func (fs *UnstructAdapter) GetSlice(path string) ([]interface{}, error) {
if found || err != nil {
return s, err
}
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
// GetStringMap returns value at the given fieldpath.
func (fs *UnstructAdapter) GetStringMap(path string) (map[string]string, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
s, found, err := unstructured.NestedStringMap(
@@ -246,14 +246,14 @@ func (fs *UnstructAdapter) GetStringMap(path string) (map[string]string, error)
if found || err != nil {
return s, err
}
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
// GetMap returns value at the given fieldpath.
func (fs *UnstructAdapter) GetMap(path string) (map[string]interface{}, error) {
content, fields, found, err := fs.selectSubtree(path)
if !found || err != nil {
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
s, found, err := unstructured.NestedMap(
@@ -261,7 +261,7 @@ func (fs *UnstructAdapter) GetMap(path string) (map[string]interface{}, error) {
if found || err != nil {
return s, err
}
return nil, noFieldError{Field: path}
return nil, NoFieldError{Field: path}
}
func (fs *UnstructAdapter) MatchesLabelSelector(selector string) (bool, error) {
@@ -340,11 +340,11 @@ func toSchemaGvk(x resid.Gvk) schema.GroupVersionKind {
}
}
// noFieldError is returned when a field is expected, but missing.
type noFieldError struct {
// NoFieldError is returned when a field is expected, but missing.
type NoFieldError struct {
Field string
}
func (e noFieldError) Error() string {
func (e NoFieldError) Error() string {
return fmt.Sprintf("no field named '%s'", e.Field)
}