Example #1
0
// containerResourceRuntimeValue returns the value of the provided container resource
func containerResourceRuntimeValue(fs *api.ResourceFieldSelector, pod *api.Pod, container *api.Container) (string, error) {
	containerName := fs.ContainerName
	if len(containerName) == 0 {
		return fieldpath.ExtractContainerResourceValue(fs, container)
	} else {
		return fieldpath.ExtractResourceValueByContainerName(fs, pod, containerName)
	}
}
Example #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() (map[string][]byte, error) {
	errlist := []error{}
	data := make(map[string][]byte)
	for _, fileInfo := range d.items {
		if fileInfo.FieldRef != nil {
			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 {
				data[path.Clean(fileInfo.Path)] = []byte(sortLines(values))
			}
		} else if fileInfo.ResourceFieldRef != nil {
			containerName := fileInfo.ResourceFieldRef.ContainerName
			if values, err := fieldpath.ExtractResourceValueByContainerName(fileInfo.ResourceFieldRef, d.pod, containerName); err != nil {
				glog.Errorf("Unable to extract field %s: %s", fileInfo.ResourceFieldRef.Resource, err.Error())
				errlist = append(errlist, err)
			} else {
				data[path.Clean(fileInfo.Path)] = []byte(sortLines(values))
			}
		}
	}
	return data, utilerrors.NewAggregate(errlist)
}