// 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
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 {
data[path.Clean(fileInfo.Path)] = []byte(sortLines(values))
}
}
}
return data, utilerrors.NewAggregate(errlist)
}
// collectData collects requested metadata 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 (m *metadataVolume) collectData(data *map[string]string) error {
errlist := []error{}
for fieldReference, fileName := range m.fieldReferenceFileNames {
if values, err := fieldpath.ExtractFieldPathAsString(m.pod, fieldReference); err != nil {
glog.Error(err)
errlist = append(errlist, err)
} else {
(*data)[fileName] = sortLines(values)
}
}
return utilErrors.NewAggregate(errlist)
}
func envValueFrom(pod *api.Pod, e api.EnvVar) string {
internalFieldPath, _, err := api.Scheme.ConvertFieldLabel(e.ValueFrom.FieldRef.APIVersion, "Pod", e.ValueFrom.FieldRef.FieldPath, "")
if err != nil {
return "" // pod validation should catch this on create
}
valueFrom, err := fieldpath.ExtractFieldPathAsString(pod, internalFieldPath)
if err != nil {
return "" // pod validation should catch this on create
}
return valueFrom
}
// 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]string, error) {
errlist := []error{}
data := make(map[string]string)
for fieldReference, fileName := range d.fieldReferenceFileNames {
if values, err := fieldpath.ExtractFieldPathAsString(d.pod, fieldReference); err != nil {
glog.Errorf("Unable to extract field %s: %s", fieldReference, err.Error())
errlist = append(errlist, err)
} else {
data[fileName] = sortLines(values)
}
}
return data, utilErrors.NewAggregate(errlist)
}
// podFieldSelectorRuntimeValue returns the runtime value of the given
// selector for a pod.
func (kl *Kubelet) podFieldSelectorRuntimeValue(fs *api.ObjectFieldSelector, pod *api.Pod, podIP string) (string, error) {
internalFieldPath, _, err := api.Scheme.ConvertFieldLabel(fs.APIVersion, "Pod", fs.FieldPath, "")
if err != nil {
return "", err
}
switch internalFieldPath {
case "spec.nodeName":
return pod.Spec.NodeName, nil
case "spec.serviceAccountName":
return pod.Spec.ServiceAccountName, nil
case "status.podIP":
return podIP, nil
}
return fieldpath.ExtractFieldPathAsString(pod, internalFieldPath)
}
func getEnvVarRefValue(f *clientcmd.Factory, store *resourceStore, from *kapi.EnvVarSource, obj runtime.Object, c *kapi.Container) (string, error) {
if from.SecretKeyRef != nil {
return getSecretRefValue(f, store, from.SecretKeyRef)
}
if from.ConfigMapKeyRef != nil {
return getConfigMapRefValue(f, store, from.ConfigMapKeyRef)
}
if from.FieldRef != nil {
return fieldpath.ExtractFieldPathAsString(obj, from.FieldRef.FieldPath)
}
if from.ResourceFieldRef != nil {
return fieldpath.ExtractContainerResourceValue(from.ResourceFieldRef, c)
}
return "", fmt.Errorf("invalid valueFrom")
}
// 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)
}