// ToAggregate converts the ErrorList into an errors.Aggregate.
func (list ErrorList) ToAggregate() utilerrors.Aggregate {
errs := make([]error, len(list))
for i := range list {
errs[i] = list[i]
}
return utilerrors.NewAggregate(errs)
}
// serverPreferredResources returns the supported resources with the version preferred by the
// server. If namespaced is true, only namespaced resources will be returned.
func (d *DiscoveryClient) serverPreferredResources(namespaced bool) ([]unversioned.GroupVersionResource, error) {
results := []unversioned.GroupVersionResource{}
serverGroupList, err := d.ServerGroups()
if err != nil {
return results, err
}
allErrs := []error{}
for _, apiGroup := range serverGroupList.Groups {
preferredVersion := apiGroup.PreferredVersion
apiResourceList, err := d.ServerResourcesForGroupVersion(preferredVersion.GroupVersion)
if err != nil {
allErrs = append(allErrs, err)
continue
}
groupVersion := unversioned.GroupVersion{Group: apiGroup.Name, Version: preferredVersion.Version}
for _, apiResource := range apiResourceList.APIResources {
// ignore the root scoped resources if "namespaced" is true.
if namespaced && !apiResource.Namespaced {
continue
}
if strings.Contains(apiResource.Name, "/") {
continue
}
results = append(results, groupVersion.WithResource(apiResource.Name))
}
}
return results, utilerrors.NewAggregate(allErrs)
}
// RESTMapping provides the REST mapping for the resource based on the
// kind and version. This implementation supports multiple REST schemas and
// return the first match.
func (m MultiRESTMapper) RESTMapping(gk unversioned.GroupKind, versions ...string) (*RESTMapping, error) {
allMappings := []*RESTMapping{}
errors := []error{}
for _, t := range m {
currMapping, err := t.RESTMapping(gk, versions...)
// ignore "no match" errors, but any other error percolates back up
if IsNoMatchError(err) {
continue
}
if err != nil {
errors = append(errors, err)
continue
}
allMappings = append(allMappings, currMapping)
}
// if we got exactly one mapping, then use it even if other requested failed
if len(allMappings) == 1 {
return allMappings[0], nil
}
if len(allMappings) > 1 {
var kinds []unversioned.GroupVersionKind
for _, m := range allMappings {
kinds = append(kinds, m.GroupVersionKind)
}
return nil, &AmbiguousKindError{PartialKind: gk.WithVersion(""), MatchingKinds: kinds}
}
if len(errors) > 0 {
return nil, utilerrors.NewAggregate(errors)
}
return nil, &NoKindMatchError{PartialKind: gk.WithVersion("")}
}
func (c configValidationTest) testAuthInfo(authInfoName string, t *testing.T) {
errs := validateAuthInfo(authInfoName, *c.config.AuthInfos[authInfoName])
if len(c.expectedErrorSubstring) != 0 {
if len(errs) == 0 {
t.Errorf("Expected error containing: %v", c.expectedErrorSubstring)
}
for _, curr := range c.expectedErrorSubstring {
if len(errs) != 0 && !strings.Contains(utilerrors.NewAggregate(errs).Error(), curr) {
t.Errorf("Expected error containing: %v, but got %v", c.expectedErrorSubstring, utilerrors.NewAggregate(errs))
}
}
} else {
if len(errs) != 0 {
t.Errorf("Unexpected error: %v", utilerrors.NewAggregate(errs))
}
}
}
// EncodeList ensures that each object in an array is converted to a Unknown{} in serialized form.
// TODO: accept a content type.
func EncodeList(e Encoder, objects []Object) error {
var errs []error
for i := range objects {
data, err := Encode(e, objects[i])
if err != nil {
errs = append(errs, err)
continue
}
// TODO: Set ContentEncoding and ContentType.
objects[i] = &Unknown{Raw: data}
}
return errors.NewAggregate(errs)
}
func (s *SwaggerSchema) ValidateBytes(data []byte) error {
var obj interface{}
out, err := yaml.ToJSON(data)
if err != nil {
return err
}
data = out
if err := json.Unmarshal(data, &obj); err != nil {
return err
}
fields, ok := obj.(map[string]interface{})
if !ok {
return fmt.Errorf("error in unmarshaling data %s", string(data))
}
groupVersion := fields["apiVersion"]
if groupVersion == nil {
return fmt.Errorf("apiVersion not set")
}
if _, ok := groupVersion.(string); !ok {
return fmt.Errorf("apiVersion isn't string type")
}
kind := fields["kind"]
if kind == nil {
return fmt.Errorf("kind not set")
}
if _, ok := kind.(string); !ok {
return fmt.Errorf("kind isn't string type")
}
if strings.HasSuffix(kind.(string), "List") {
return utilerrors.NewAggregate(s.validateList(fields))
}
version := apiutil.GetVersion(groupVersion.(string))
allErrs := s.ValidateObject(obj, "", version+"."+kind.(string))
if len(allErrs) == 1 {
return allErrs[0]
}
return utilerrors.NewAggregate(allErrs)
}
// RESTMappings returns all possible RESTMappings for the provided group kind, or an error
// if the type is not recognized.
func (m MultiRESTMapper) RESTMappings(gk unversioned.GroupKind) ([]*RESTMapping, error) {
var allMappings []*RESTMapping
var errors []error
for _, t := range m {
currMappings, err := t.RESTMappings(gk)
// ignore "no match" errors, but any other error percolates back up
if IsNoMatchError(err) {
continue
}
if err != nil {
errors = append(errors, err)
continue
}
allMappings = append(allMappings, currMappings...)
}
if len(errors) > 0 {
return nil, utilerrors.NewAggregate(errors)
}
if len(allMappings) == 0 {
return nil, &NoKindMatchError{PartialKind: gk.WithVersion("")}
}
return allMappings, nil
}
// Load starts by running the MigrationRules and then
// takes the loading rules and returns a Config object based on following rules.
// if the ExplicitPath, return the unmerged explicit file
// Otherwise, return a merged config based on the Precedence slice
// A missing ExplicitPath file produces an error. Empty filenames or other missing files are ignored.
// Read errors or files with non-deserializable content produce errors.
// The first file to set a particular map key wins and map key's value is never changed.
// BUT, if you set a struct value that is NOT contained inside of map, the value WILL be changed.
// This results in some odd looking logic to merge in one direction, merge in the other, and then merge the two.
// It also means that if two files specify a "red-user", only values from the first file's red-user are used. Even
// non-conflicting entries from the second file's "red-user" are discarded.
// Relative paths inside of the .kubeconfig files are resolved against the .kubeconfig file's parent folder
// and only absolute file paths are returned.
func (rules *ClientConfigLoadingRules) Load() (*clientcmdapi.Config, error) {
if err := rules.Migrate(); err != nil {
return nil, err
}
errlist := []error{}
kubeConfigFiles := []string{}
// Make sure a file we were explicitly told to use exists
if len(rules.ExplicitPath) > 0 {
if _, err := os.Stat(rules.ExplicitPath); os.IsNotExist(err) {
return nil, err
}
kubeConfigFiles = append(kubeConfigFiles, rules.ExplicitPath)
} else {
kubeConfigFiles = append(kubeConfigFiles, rules.Precedence...)
}
kubeconfigs := []*clientcmdapi.Config{}
// read and cache the config files so that we only look at them once
for _, filename := range kubeConfigFiles {
if len(filename) == 0 {
// no work to do
continue
}
config, err := LoadFromFile(filename)
if os.IsNotExist(err) {
// skip missing files
continue
}
if err != nil {
errlist = append(errlist, fmt.Errorf("Error loading config file \"%s\": %v", filename, err))
continue
}
kubeconfigs = append(kubeconfigs, config)
}
// first merge all of our maps
mapConfig := clientcmdapi.NewConfig()
for _, kubeconfig := range kubeconfigs {
mergo.Merge(mapConfig, kubeconfig)
}
// merge all of the struct values in the reverse order so that priority is given correctly
// errors are not added to the list the second time
nonMapConfig := clientcmdapi.NewConfig()
for i := len(kubeconfigs) - 1; i >= 0; i-- {
kubeconfig := kubeconfigs[i]
mergo.Merge(nonMapConfig, kubeconfig)
}
// since values are overwritten, but maps values are not, we can merge the non-map config on top of the map config and
// get the values we expect.
config := clientcmdapi.NewConfig()
mergo.Merge(config, mapConfig)
mergo.Merge(config, nonMapConfig)
if rules.ResolvePaths() {
if err := ResolveLocalPaths(config); err != nil {
errlist = append(errlist, err)
}
}
return config, utilerrors.NewAggregate(errlist)
}
// Error implements the error interface
func (e errConfigurationInvalid) Error() string {
return fmt.Sprintf("invalid configuration: %v", utilerrors.NewAggregate(e).Error())
}
