示例#1
0
func makePayload(mappings []v1.KeyToPath, configMap *v1.ConfigMap, defaultMode *int32) (map[string]volumeutil.FileProjection, error) {
	if defaultMode == nil {
		return nil, fmt.Errorf("No defaultMode used, not even the default value for it")
	}

	payload := make(map[string]volumeutil.FileProjection, len(configMap.Data))
	var fileProjection volumeutil.FileProjection

	if len(mappings) == 0 {
		for name, data := range configMap.Data {
			fileProjection.Data = []byte(data)
			fileProjection.Mode = *defaultMode
			payload[name] = fileProjection
		}
	} else {
		for _, ktp := range mappings {
			content, ok := configMap.Data[ktp.Key]
			if !ok {
				err_msg := "references non-existent config key"
				glog.Errorf(err_msg)
				return nil, fmt.Errorf(err_msg)
			}

			fileProjection.Data = []byte(content)
			if ktp.Mode != nil {
				fileProjection.Mode = *ktp.Mode
			} else {
				fileProjection.Mode = *defaultMode
			}
			payload[ktp.Path] = fileProjection
		}
	}

	return payload, nil
}
示例#2
0
// collectData collects requested downwardAPI in data map.
// Map's key is the requested name of file to dump
// Map's value is the (sorted) content of the field to be dumped in the file.
func (d *downwardAPIVolume) collectData(defaultMode *int32) (map[string]volumeutil.FileProjection, error) {
	if defaultMode == nil {
		return nil, fmt.Errorf("No defaultMode used, not even the default value for it")
	}

	errlist := []error{}
	data := make(map[string]volumeutil.FileProjection)
	for _, fileInfo := range d.items {
		var fileProjection volumeutil.FileProjection
		fPath := path.Clean(fileInfo.Path)
		if fileInfo.Mode != nil {
			fileProjection.Mode = *fileInfo.Mode
		} else {
			fileProjection.Mode = *defaultMode
		}
		if fileInfo.FieldRef != nil {
			// TODO: unify with Kubelet.podFieldSelectorRuntimeValue
			if values, err := fieldpath.ExtractFieldPathAsString(d.pod, fileInfo.FieldRef.FieldPath); err != nil {
				glog.Errorf("Unable to extract field %s: %s", fileInfo.FieldRef.FieldPath, err.Error())
				errlist = append(errlist, err)
			} else {
				fileProjection.Data = []byte(sortLines(values))
			}
		} else if fileInfo.ResourceFieldRef != nil {
			containerName := fileInfo.ResourceFieldRef.ContainerName
			nodeAllocatable, err := d.plugin.host.GetNodeAllocatable()
			if err != nil {
				errlist = append(errlist, err)
			} else if values, err := fieldpath.ExtractResourceValueByContainerNameAndNodeAllocatable(fileInfo.ResourceFieldRef, d.pod, containerName, nodeAllocatable); err != nil {
				glog.Errorf("Unable to extract field %s: %s", fileInfo.ResourceFieldRef.Resource, err.Error())
				errlist = append(errlist, err)
			} else {
				fileProjection.Data = []byte(sortLines(values))
			}
		}

		data[fPath] = fileProjection
	}
	return data, utilerrors.NewAggregate(errlist)
}