Example #1
0
// 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)
}
Example #2
0
// 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("")}
}
Example #3
0
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))
		}
	}
}
Example #4
0
// 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)
}
Example #5
0
// collapseAggregateErrors returns the minimal errors.  it handles empty as nil, handles one item in a list
// by returning the item, and collapses all NoMatchErrors to a single one (since they should all be the same)
func collapseAggregateErrors(errors []error) error {
	if len(errors) == 0 {
		return nil
	}
	if len(errors) == 1 {
		return errors[0]
	}

	allNoMatchErrors := true
	for _, err := range errors {
		allNoMatchErrors = allNoMatchErrors && IsNoMatchError(err)
	}
	if allNoMatchErrors {
		return errors[0]
	}

	return utilerrors.NewAggregate(errors)
}
Example #6
0
// 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
}
Example #7
0
// Error implements the error interface
func (e errConfigurationInvalid) Error() string {
	return fmt.Sprintf("invalid configuration: %v", utilerrors.NewAggregate(e).Error())
}
Example #8
0
// 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)
}