// RunConvert implements the generic Convert command
func (o *ConvertOptions) RunConvert() error {
r := o.builder.Do()
err := r.Err()
if err != nil {
return err
}
count := 0
err = r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
infos := []*resource.Info{info}
objects, err := resource.AsVersionedObject(infos, false, o.outputVersion, o.encoder)
if err != nil {
return err
}
count++
return o.printer.PrintObj(objects, o.out)
})
if err != nil {
return err
}
if count == 0 {
return fmt.Errorf("no objects passed to convert")
}
return nil
}
// Run executes the BackendOptions or returns an error.
func (o *BackendsOptions) Run() error {
infos := o.Infos
singular := len(o.Infos) <= 1
if o.Builder != nil {
loaded, err := o.Builder.Do().IntoSingular(&singular).Infos()
if err != nil {
return err
}
infos = loaded
}
if o.PrintTable && o.PrintObject == nil {
return o.printBackends(infos)
}
patches := CalculatePatches(infos, o.Encoder, func(info *resource.Info) (bool, error) {
return UpdateBackendsForObject(info.Object, o.Transform.Apply)
})
if singular && len(patches) == 0 {
return fmt.Errorf("%s/%s is not a deployment config or build config", infos[0].Mapping.Resource, infos[0].Name)
}
if o.PrintObject != nil {
object, err := resource.AsVersionedObject(infos, !singular, o.OutputVersion, kapi.Codecs.LegacyCodec(o.OutputVersion))
if err != nil {
return err
}
return o.PrintObject(object)
}
failed := false
for _, patch := range patches {
info := patch.Info
if patch.Err != nil {
failed = true
fmt.Fprintf(o.Err, "error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err)
continue
}
if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
fmt.Fprintf(o.Err, "info: %s %q was not changed\n", info.Mapping.Resource, info.Name)
continue
}
glog.V(4).Infof("Calculated patch %s", patch.Patch)
obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, kapi.StrategicMergePatchType, patch.Patch)
if err != nil {
handlePodUpdateError(o.Err, err, "altered")
failed = true
continue
}
info.Refresh(obj, true)
kcmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, false, "updated")
}
if failed {
return cmdutil.ErrExit
}
return nil
}
// applyPatch reads the latest version of the object, writes it to version, then attempts to merge
// the changes onto it without conflict. If a conflict occurs jsonmerge.IsConflicting(err) is
// true. The info object is mutated
func applyPatch(delta *jsonmerge.Delta, info *resource.Info, version string) error {
if err := info.Get(); err != nil {
return patchError{err}
}
obj, err := resource.AsVersionedObject([]*resource.Info{info}, false, version)
if err != nil {
return patchError{err}
}
data, err := info.Mapping.Codec.Encode(obj)
if err != nil {
return patchError{err}
}
merged, err := delta.Apply(data)
if err != nil {
return patchError{err}
}
mergedObj, err := info.Mapping.Codec.Decode(merged)
if err != nil {
return patchError{err}
}
updated, err := resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, false, mergedObj)
if err != nil {
return err
}
info.Refresh(updated, true)
return nil
}
func (o *DeploymentHookOptions) Run() error {
infos := o.Infos
singular := len(o.Infos) <= 1
if o.Builder != nil {
loaded, err := o.Builder.Do().IntoSingular(&singular).Infos()
if err != nil {
return err
}
infos = loaded
}
patches := CalculatePatches(infos, o.Encoder, func(info *resource.Info) (bool, error) {
dc, ok := info.Object.(*deployapi.DeploymentConfig)
if !ok {
return false, nil
}
updated, err := o.updateDeploymentConfig(dc)
return updated, err
})
if singular && len(patches) == 0 {
return fmt.Errorf("%s/%s is not a deployment config or does not have an applicable strategy", infos[0].Mapping.Resource, infos[0].Name)
}
if o.PrintObject != nil {
object, err := resource.AsVersionedObject(infos, !singular, o.OutputVersion, kapi.Codecs.LegacyCodec(o.OutputVersion))
if err != nil {
return err
}
return o.PrintObject(object)
}
failed := false
for _, patch := range patches {
info := patch.Info
if patch.Err != nil {
fmt.Fprintf(o.Err, "error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err)
continue
}
if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
fmt.Fprintf(o.Err, "info: %s %q was not changed\n", info.Mapping.Resource, info.Name)
continue
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, kapi.StrategicMergePatchType, patch.Patch)
if err != nil {
fmt.Fprintf(o.Err, "error: %v\n", err)
failed = true
continue
}
info.Refresh(obj, true)
kcmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, "updated")
}
if failed {
return cmdutil.ErrExit
}
return nil
}
func (o *BuildSecretOptions) Run() error {
infos := o.Infos
singular := len(o.Infos) <= 1
if o.Builder != nil {
loaded, err := o.Builder.Do().IntoSingular(&singular).Infos()
if err != nil {
return err
}
infos = loaded
}
patches := CalculatePatches(infos, o.Encoder, func(info *resource.Info) (bool, error) {
return o.setBuildSecret(info.Object)
})
if singular && len(patches) == 0 {
return fmt.Errorf("cannot set a build secret on %s/%s", infos[0].Mapping.Resource, infos[0].Name)
}
if o.PrintObject != nil {
object, err := resource.AsVersionedObject(infos, !singular, o.OutputVersion, kapi.Codecs.LegacyCodec(o.OutputVersion))
if err != nil {
return err
}
return o.PrintObject(object)
}
errs := []error{}
for _, patch := range patches {
info := patch.Info
if patch.Err != nil {
errs = append(errs, fmt.Errorf("%s/%s %v", info.Mapping.Resource, info.Name, patch.Err))
continue
}
if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
fmt.Fprintf(o.Err, "info: %s %q was not changed\n", info.Mapping.Resource, info.Name)
continue
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, kapi.StrategicMergePatchType, patch.Patch)
if err != nil {
errs = append(errs, fmt.Errorf("%s/%s %v", info.Mapping.Resource, info.Name, err))
continue
}
info.Refresh(obj, true)
kcmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, "updated")
}
if len(errs) > 0 {
return errors.NewAggregate(errs)
}
return nil
}
// RunConvert implements the generic Convert command
func (o *ConvertOptions) RunConvert() error {
infos, err := o.builder.Do().Infos()
if err != nil {
return err
}
objects, err := resource.AsVersionedObject(infos, false, o.outputVersion.String(), o.encoder)
if err != nil {
return err
}
return o.printer.PrintObj(objects, o.out)
}
func getCurrentObject(targetName string, infos []*resource.Info) (runtime.Object, error) {
var curr *resource.Info
for _, currInfo := range infos {
if currInfo.Name == targetName {
curr = currInfo
}
}
if curr == nil {
return nil, fmt.Errorf("No resource with the name %s found.", targetName)
}
encoder := api.Codecs.LegacyCodec(registered.EnabledVersions()...)
defaultVersion := unversioned.GroupVersion{}
return resource.AsVersionedObject([]*resource.Info{curr}, false, defaultVersion, encoder)
}
// RunConvert implements the generic Convert command
func (o *ConvertOptions) RunConvert() error {
r := o.builder.Do()
err := r.Err()
if err != nil {
return err
}
singular := false
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
return err
}
if len(infos) == 0 {
return fmt.Errorf("no objects passed to convert")
}
objects, err := resource.AsVersionedObject(infos, !singular, o.outputVersion, o.encoder)
if err != nil {
return err
}
if meta.IsListType(objects) {
_, items, err := cmdutil.FilterResourceList(objects, nil, nil)
if err != nil {
return err
}
filteredObj, err := cmdutil.ObjectListToVersionedObject(items, o.outputVersion)
if err != nil {
return err
}
return o.printer.PrintObj(filteredObj, o.out)
}
return o.printer.PrintObj(objects, o.out)
}
func changeObjectsVersion(items []kruntime.Object) {
if errs := kruntime.DecodeList(items, api.Scheme); len(errs) > 0 {
log.Fatalf("Unable to decode Template objects: %v", errs)
}
for i, obj := range items {
_, kind, err := api.Scheme.ObjectVersionAndKind(obj)
if err != nil {
glog.Infof("Template.Objects[%d]: Unable to determine version and kind: %v", i, err)
continue
}
mapping, err := latest.RESTMapper.RESTMapping(kind, *outputVersion)
if err != nil {
glog.Infof("Template.Objects[%d]: Unable to get REST mappings: %v", err)
continue
}
info := resource.Info{Object: obj, Mapping: mapping}
outputObj, err := resource.AsVersionedObject([]*resource.Info{&info}, false, *outputVersion)
if err != nil {
glog.Infof("Template.Objects[%d]: Unable to convert: %v", err)
continue
}
items[i] = outputObj
}
}
// RunGet implements the generic Get command
// TODO: convert all direct flag accessors to a struct and pass that instead of cmd
func RunGet(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
mapper, typer := f.Object()
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
filenames := cmdutil.GetFlagStringSlice(cmd, "filename")
if len(args) == 0 && len(filenames) == 0 {
fmt.Fprint(out, "You must specify the type of resource to get. ", valid_resources, ` * componentstatuses (aka 'cs')
* endpoints (aka 'ep')
`)
return cmdutil.UsageError(cmd, "Required resource not specified.")
}
// handle watch separately since we cannot watch multiple resource types
isWatch, isWatchOnly := cmdutil.GetFlagBool(cmd, "watch"), cmdutil.GetFlagBool(cmd, "watch-only")
if isWatch || isWatchOnly {
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
Do()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) != 1 {
return fmt.Errorf("watch is only supported on a single resource - %d resources were found", len(infos))
}
info := infos[0]
mapping := info.ResourceMapping()
printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
return err
}
obj, err := r.Object()
if err != nil {
return err
}
rv, err := mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
// print the current object
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
kubectl.WatchLoop(w, func(e watch.Event) error {
return printer.PrintObj(e.Object, out)
})
return nil
}
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest()
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
defaultVersion := clientConfig.Version
singular := false
r := b.Flatten().Do()
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
return err
}
// the outermost object will be converted to the output-version, but inner
// objects can use their mappings
version := cmdutil.OutputVersion(cmd, defaultVersion)
obj, err := resource.AsVersionedObject(infos, !singular, version)
if err != nil {
return err
}
return printer.PrintObj(obj, out)
}
// use the default printer for each object
return b.Do().Visit(func(r *resource.Info) error {
printer, err := f.PrinterForMapping(cmd, r.Mapping, allNamespaces)
if err != nil {
return err
}
return printer.PrintObj(r.Object, out)
})
}
func (v *VolumeOptions) RunVolume(args []string) error {
mapper := resource.ClientMapperFunc(v.RESTClientFactory)
b := resource.NewBuilder(v.Mapper, v.Typer, mapper).
ContinueOnError().
NamespaceParam(v.DefaultNamespace).DefaultNamespace().
FilenameParam(v.ExplicitNamespace, v.Filenames...).
SelectorParam(v.Selector).
ResourceTypeOrNameArgs(v.All, args...).
Flatten()
singular := false
infos, err := b.Do().IntoSingular(&singular).Infos()
if err != nil {
return err
}
updateInfos := []*resource.Info{}
// if a claim should be created, generate the info we'll add to the flow
if v.Add && v.AddOpts.CreateClaim {
claim := v.AddOpts.createClaim()
m, err := v.Mapper.RESTMapping("PersistentVolumeClaim")
if err != nil {
return err
}
client, err := mapper.ClientForMapping(m)
if err != nil {
return err
}
info := &resource.Info{
Mapping: m,
Client: client,
Namespace: v.DefaultNamespace,
Object: claim,
}
infos = append(infos, info)
updateInfos = append(updateInfos, info)
}
skipped := 0
for _, info := range infos {
ok, err := v.UpdatePodSpecForObject(info.Object, func(spec *kapi.PodSpec) error {
var e error
switch {
case v.Add:
e = v.addVolumeToSpec(spec, info, singular)
case v.Remove:
e = v.removeVolumeFromSpec(spec, info)
case v.List:
e = v.listVolumeForSpec(spec, info)
}
return e
})
if !ok {
skipped++
continue
}
if err != nil {
fmt.Fprintf(v.Err, "error: %s/%s %v\n", info.Mapping.Resource, info.Name, err)
continue
}
updateInfos = append(updateInfos, info)
}
if singular && skipped == len(infos) {
return fmt.Errorf("the %s %s is not a pod or does not have a pod template", infos[0].Mapping.Resource, infos[0].Name)
}
updatePodSpecFailed := len(updateInfos) != len(infos)
if v.List {
if updatePodSpecFailed {
return errExit
}
return nil
}
objects, err := resource.AsVersionedObject(infos, false, v.OutputVersion)
if err != nil {
return err
}
if len(v.Output) != 0 {
p, _, err := kubectl.GetPrinter(v.Output, "")
if err != nil {
return err
}
return p.PrintObj(objects, v.Out)
}
failed := false
for _, info := range updateInfos {
var obj runtime.Object
if len(info.ResourceVersion) == 0 {
obj, err = resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, false, info.Object)
} else {
obj, err = resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, true, info.Object)
}
if err != nil {
handlePodUpdateError(v.Err, err, "volume")
failed = true
continue
}
info.Refresh(obj, true)
fmt.Fprintf(v.Out, "%s/%s\n", info.Mapping.Resource, info.Name)
}
if failed || updatePodSpecFailed {
return errExit
}
return nil
}
func doEdit(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, prefix string, rejectSame bool, addSource func(*resource.Builder, bool, kubectl.ResourcePrinter) *resource.Builder, process editProcessingFunc) error {
printer, ext, err := getEditPrinter(cmd)
if err != nil {
return err
}
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
rmap := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: f.ClientMapperForCommand(),
}
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().
Flatten()
b = addSource(b, enforceNamespace, printer)
r := b.Do()
err = r.Err()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
defaultVersion := cmdutil.OutputVersion(cmd, clientConfig.Version)
results := editResults{}
for {
obj, err := resource.AsVersionedObject(infos, false, defaultVersion)
if err != nil {
return preservedFile(err, results.file, out)
}
// TODO: add an annotating YAML printer that can print inline comments on each field,
// including descriptions or validation errors
// generate the file to edit
buf := &bytes.Buffer{}
if err := results.header.writeTo(buf); err != nil {
return preservedFile(err, results.file, out)
}
if err := printer.PrintObj(obj, buf); err != nil {
return preservedFile(err, results.file, out)
}
original := buf.Bytes()
// launch the editor
edit := editor.NewDefaultEditor()
edited, file, err := edit.LaunchTempFile("kubectl-edit-", ext, buf)
if err != nil {
return preservedFile(err, results.file, out)
}
// cleanup any file from the previous pass
if len(results.file) > 0 {
os.Remove(results.file)
}
glog.V(4).Infof("User edited:\n%s", string(edited))
fmt.Printf("User edited:\n%s", string(edited))
lines, err := hasLines(bytes.NewBuffer(edited))
if err != nil {
return preservedFile(err, file, out)
}
if rejectSame && bytes.Equal(original, edited) {
if len(results.edit) > 0 {
preservedFile(nil, file, out)
} else {
os.Remove(file)
}
fmt.Fprintln(out, "Edit cancelled, no changes made.")
return nil
}
if !lines {
if len(results.edit) > 0 {
preservedFile(nil, file, out)
} else {
os.Remove(file)
}
fmt.Fprintln(out, "Edit cancelled, saved file was empty.")
return nil
}
results = editResults{
file: file,
}
// parse the edited file
updates, err := rmap.InfoForData(edited, "edited-file")
if err != nil {
return preservedFile(err, file, out)
}
visitor := resource.NewFlattenListVisitor(updates, rmap)
// need to make sure the original namespace wasn't changed while editing
if err := visitor.Visit(resource.RequireNamespace(cmdNamespace)); err != nil {
return preservedFile(err, file, out)
}
err = process(visitor, original, edited, obj, updates, file, &results, mapper, defaultVersion)
if err != nil {
return preservedFile(err, file, out)
}
if results.retryable > 0 {
fmt.Fprintf(out, "You can run `kubectl replace -f %s` to try this update again.\n", file)
return errExit
}
if results.conflict > 0 {
fmt.Fprintf(out, "You must update your local resource version and run `kubectl replace -f %s` to overwrite the remote changes.\n", file)
return errExit
}
if len(results.edit) == 0 {
if results.notfound == 0 {
os.Remove(file)
} else {
fmt.Fprintf(out, "The edits you made on deleted resources have been saved to %q\n", file)
}
return nil
}
// loop again and edit the remaining items
infos = results.edit
}
return nil
}
func (v *VolumeOptions) RunVolume(args []string) error {
mapper := resource.ClientMapperFunc(v.RESTClientFactory)
b := resource.NewBuilder(v.Mapper, v.Typer, mapper, kapi.Codecs.UniversalDecoder()).
ContinueOnError().
NamespaceParam(v.DefaultNamespace).DefaultNamespace().
FilenameParam(v.ExplicitNamespace, false, v.Filenames...).
SelectorParam(v.Selector).
ResourceTypeOrNameArgs(v.All, args...).
Flatten()
singular := false
infos, err := b.Do().IntoSingular(&singular).Infos()
if err != nil {
return err
}
if v.List {
listingErrors := v.printVolumes(infos)
if len(listingErrors) > 0 {
return cmdutil.ErrExit
}
return nil
}
updateInfos := []*resource.Info{}
// if a claim should be created, generate the info we'll add to the flow
if v.Add && v.AddOpts.CreateClaim {
claim := v.AddOpts.createClaim()
m, err := v.Mapper.RESTMapping(kapi.Kind("PersistentVolumeClaim"))
if err != nil {
return err
}
client, err := mapper.ClientForMapping(m)
if err != nil {
return err
}
info := &resource.Info{
Mapping: m,
Client: client,
Namespace: v.DefaultNamespace,
Object: claim,
}
infos = append(infos, info)
updateInfos = append(updateInfos, info)
}
patches, patchError := v.getVolumeUpdatePatches(infos, singular)
if patchError != nil {
return patchError
}
objects, err := resource.AsVersionedObject(infos, false, v.OutputVersion, kapi.Codecs.LegacyCodec(v.OutputVersion))
if err != nil {
return err
}
if len(v.Output) != 0 {
p, _, err := kubectl.GetPrinter(v.Output, "", false)
if err != nil {
return err
}
return p.PrintObj(objects, v.Out)
}
failed := false
for _, info := range updateInfos {
var obj runtime.Object
if len(info.ResourceVersion) == 0 {
obj, err = resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, false, info.Object)
} else {
obj, err = resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, true, info.Object)
}
if err != nil {
handlePodUpdateError(v.Err, err, "volume")
failed = true
continue
}
info.Refresh(obj, true)
fmt.Fprintf(v.Out, "%s/%s\n", info.Mapping.Resource, info.Name)
}
for _, patch := range patches {
info := patch.Info
if patch.Err != nil {
failed = true
fmt.Fprintf(v.Err, "error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err)
continue
}
if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
fmt.Fprintf(v.Err, "info: %s %q was not changed\n", info.Mapping.Resource, info.Name)
continue
}
glog.V(4).Infof("Calculated patch %s", patch.Patch)
obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, kapi.StrategicMergePatchType, patch.Patch)
if err != nil {
handlePodUpdateError(v.Err, err, "volume")
failed = true
continue
}
info.Refresh(obj, true)
kcmdutil.PrintSuccess(v.Mapper, false, v.Out, info.Mapping.Resource, info.Name, "updated")
}
if failed {
return cmdutil.ErrExit
}
return nil
}
// RunGet implements the generic Get command
// TODO: convert all direct flag accessors to a struct and pass that instead of cmd
func RunGet(f *cmdutil.Factory, out io.Writer, errOut io.Writer, cmd *cobra.Command, args []string, options *GetOptions) error {
if len(options.Raw) > 0 {
restClient, err := f.RESTClient()
if err != nil {
return err
}
stream, err := restClient.Get().RequestURI(options.Raw).Stream()
if err != nil {
return err
}
defer stream.Close()
for {
buffer := make([]byte, 1024, 1024)
bytesRead, err := stream.Read(buffer)
if bytesRead > 0 {
fmt.Printf("%s", string(buffer[:bytesRead]))
}
if err == io.EOF {
return nil
}
if err != nil {
return err
}
}
}
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
showKind := cmdutil.GetFlagBool(cmd, "show-kind")
mapper, typer := f.Object()
printAll := false
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
if allNamespaces {
enforceNamespace = false
}
if len(args) == 0 && cmdutil.IsFilenameEmpty(options.Filenames) {
fmt.Fprint(errOut, "You must specify the type of resource to get. ", valid_resources)
return cmdutil.UsageError(cmd, "Required resource not specified.")
}
// determine if args contains "all"
for _, a := range args {
if a == "all" {
printAll = true
break
}
}
// always show resources when getting by name or filename
argsHasNames, err := resource.HasNames(args)
if err != nil {
return err
}
if len(options.Filenames) > 0 || argsHasNames {
cmd.Flag("show-all").Value.Set("true")
}
export := cmdutil.GetFlagBool(cmd, "export")
// handle watch separately since we cannot watch multiple resource types
isWatch, isWatchOnly := cmdutil.GetFlagBool(cmd, "watch"), cmdutil.GetFlagBool(cmd, "watch-only")
if isWatch || isWatchOnly {
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
Do()
err := r.Err()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) != 1 {
return fmt.Errorf("watch is only supported on individual resources and resource collections - %d resources were found", len(infos))
}
info := infos[0]
mapping := info.ResourceMapping()
printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
return err
}
obj, err := r.Object()
if err != nil {
return err
}
// watching from resourceVersion 0, starts the watch at ~now and
// will return an initial watch event. Starting form ~now, rather
// the rv of the object will insure that we start the watch from
// inside the watch window, which the rv of the object might not be.
rv := "0"
isList := meta.IsListType(obj)
if isList {
// the resourceVersion of list objects is ~now but won't return
// an initial watch event
rv, err = mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
}
// print the current object
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
printer.AfterPrint(errOut, mapping.Resource)
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
first := true
kubectl.WatchLoop(w, func(e watch.Event) error {
if !isList && first {
// drop the initial watch event in the single resource case
first = false
return nil
}
err := printer.PrintObj(e.Object, out)
if err == nil {
printer.AfterPrint(errOut, mapping.Resource)
}
return err
})
return nil
}
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
allErrs := []error{}
singular := false
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
if singular {
return err
}
allErrs = append(allErrs, err)
}
// the outermost object will be converted to the output-version, but inner
// objects can use their mappings
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
res := ""
if len(infos) > 0 {
res = infos[0].ResourceMapping().Resource
}
obj, err := resource.AsVersionedObject(infos, !singular, version, f.JSONEncoder())
if err != nil {
return err
}
if err := printer.PrintObj(obj, out); err != nil {
allErrs = append(allErrs, err)
}
printer.AfterPrint(errOut, res)
return utilerrors.NewAggregate(allErrs)
}
allErrs := []error{}
infos, err := r.Infos()
if err != nil {
allErrs = append(allErrs, err)
}
objs := make([]runtime.Object, len(infos))
for ix := range infos {
objs[ix] = infos[ix].Object
}
sorting, err := cmd.Flags().GetString("sort-by")
if err != nil {
return err
}
var sorter *kubectl.RuntimeSort
if len(sorting) > 0 && len(objs) > 1 {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
for ix := range infos {
objs[ix], err = infos[ix].Mapping.ConvertToVersion(infos[ix].Object, version)
if err != nil {
allErrs = append(allErrs, err)
continue
}
}
// TODO: questionable
if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
return err
}
}
// use the default printer for each object
printer = nil
var lastMapping *meta.RESTMapping
w := kubectl.GetNewTabWriter(out)
if mustPrintWithKinds(objs, infos, sorter, printAll) {
showKind = true
}
for ix := range objs {
var mapping *meta.RESTMapping
var original runtime.Object
if sorter != nil {
mapping = infos[sorter.OriginalPosition(ix)].Mapping
original = infos[sorter.OriginalPosition(ix)].Object
} else {
mapping = infos[ix].Mapping
original = infos[ix].Object
}
if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
if printer != nil {
w.Flush()
printer.AfterPrint(errOut, lastMapping.Resource)
}
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
allErrs = append(allErrs, err)
continue
}
lastMapping = mapping
}
if resourcePrinter, found := printer.(*kubectl.HumanReadablePrinter); found {
resourceName := resourcePrinter.GetResourceKind()
if mapping != nil {
if resourceName == "" {
resourceName = mapping.Resource
}
if alias, ok := kubectl.ResourceShortFormFor(mapping.Resource); ok {
resourceName = alias
} else if resourceName == "" {
resourceName = "none"
}
} else {
resourceName = "none"
}
if showKind {
resourcePrinter.EnsurePrintWithKind(resourceName)
}
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
}
continue
}
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
continue
}
}
w.Flush()
if printer != nil {
printer.AfterPrint(errOut, lastMapping.Resource)
}
return utilerrors.NewAggregate(allErrs)
}
func RunEdit(f *cmdutil.Factory, out, errOut io.Writer, cmd *cobra.Command, args []string, options *EditOptions) error {
var printer kubectl.ResourcePrinter
var ext string
switch format := cmdutil.GetFlagString(cmd, "output"); format {
case "json":
printer = &kubectl.JSONPrinter{}
ext = ".json"
case "yaml":
printer = &kubectl.YAMLPrinter{}
ext = ".yaml"
default:
return cmdutil.UsageError(cmd, "The flag 'output' must be one of yaml|json")
}
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
resourceMapper := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
// NB: we use `f.Decoder(false)` to get a plain deserializer for
// the resourceMapper, since it's used to read in edits and
// we don't want to convert into the internal version when
// reading in edits (this would cause us to potentially try to
// compare two different GroupVersions).
Decoder: f.Decoder(false),
}
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
ResourceTypeOrNameArgs(true, args...).
Flatten().
Latest().
Do()
err = r.Err()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
encoder := f.JSONEncoder()
defaultVersion, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
originalObj, err := resource.AsVersionedObject(infos, false, defaultVersion, encoder)
if err != nil {
return err
}
var (
windowsLineEndings = cmdutil.GetFlagBool(cmd, "windows-line-endings")
edit = editor.NewDefaultEditor(f.EditorEnvs())
results = editResults{}
original = []byte{}
edited = []byte{}
file string
)
containsError := false
for {
// infos mutates over time to be the list of things we've tried and failed to edit
// this means that our overall list changes over time.
objToEdit, err := resource.AsVersionedObject(infos, false, defaultVersion, encoder)
if err != nil {
return err
}
// generate the file to edit
buf := &bytes.Buffer{}
var w io.Writer = buf
if windowsLineEndings {
w = crlf.NewCRLFWriter(w)
}
if err := results.header.writeTo(w); err != nil {
return preservedFile(err, results.file, errOut)
}
if !containsError {
if err := printer.PrintObj(objToEdit, w); err != nil {
return preservedFile(err, results.file, errOut)
}
original = buf.Bytes()
} else {
// In case of an error, preserve the edited file.
// Remove the comments (header) from it since we already
// have included the latest header in the buffer above.
buf.Write(manualStrip(edited))
}
// launch the editor
editedDiff := edited
edited, file, err = edit.LaunchTempFile(fmt.Sprintf("%s-edit-", filepath.Base(os.Args[0])), ext, buf)
if err != nil {
return preservedFile(err, results.file, errOut)
}
if bytes.Equal(stripComments(editedDiff), stripComments(edited)) {
// Ugly hack right here. We will hit this either (1) when we try to
// save the same changes we tried to save in the previous iteration
// which means our changes are invalid or (2) when we exit the second
// time. The second case is more usual so we can probably live with it.
// TODO: A less hacky fix would be welcome :)
fmt.Fprintln(errOut, "Edit cancelled, no valid changes were saved.")
return nil
}
// cleanup any file from the previous pass
if len(results.file) > 0 {
os.Remove(results.file)
}
glog.V(4).Infof("User edited:\n%s", string(edited))
// Compare content without comments
if bytes.Equal(stripComments(original), stripComments(edited)) {
os.Remove(file)
fmt.Fprintln(errOut, "Edit cancelled, no changes made.")
return nil
}
lines, err := hasLines(bytes.NewBuffer(edited))
if err != nil {
return preservedFile(err, file, errOut)
}
if !lines {
os.Remove(file)
fmt.Fprintln(errOut, "Edit cancelled, saved file was empty.")
return nil
}
results = editResults{
file: file,
}
// parse the edited file
updates, err := resourceMapper.InfoForData(edited, "edited-file")
if err != nil {
// syntax error
containsError = true
results.header.reasons = append(results.header.reasons, editReason{head: fmt.Sprintf("The edited file had a syntax error: %v", err)})
continue
}
// not a syntax error as it turns out...
containsError = false
namespaceVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
// need to make sure the original namespace wasn't changed while editing
if err = namespaceVisitor.Visit(resource.RequireNamespace(cmdNamespace)); err != nil {
return preservedFile(err, file, errOut)
}
mutatedObjects := []runtime.Object{}
annotationVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
// iterate through all items to apply annotations
if err = annotationVisitor.Visit(func(info *resource.Info, incomingErr error) error {
// put configuration annotation in "updates"
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, encoder); err != nil {
return err
}
if cmdutil.ShouldRecord(cmd, info) {
if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
return err
}
}
mutatedObjects = append(mutatedObjects, info.Object)
return nil
}); err != nil {
return preservedFile(err, file, errOut)
}
// if we mutated a list in the visitor, persist the changes on the overall object
if meta.IsListType(updates.Object) {
meta.SetList(updates.Object, mutatedObjects)
}
patchVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
err = patchVisitor.Visit(func(info *resource.Info, incomingErr error) error {
currOriginalObj := originalObj
// if we're editing a list, then navigate the list to find the item that we're currently trying to edit
if meta.IsListType(originalObj) {
currOriginalObj = nil
editObjUID, err := meta.NewAccessor().UID(info.Object)
if err != nil {
return err
}
listItems, err := meta.ExtractList(originalObj)
if err != nil {
return err
}
// iterate through the list to find the item with the matching UID
for i := range listItems {
originalObjUID, err := meta.NewAccessor().UID(listItems[i])
if err != nil {
return err
}
if editObjUID == originalObjUID {
currOriginalObj = listItems[i]
break
}
}
if currOriginalObj == nil {
return fmt.Errorf("no original object found for %#v", info.Object)
}
}
originalSerialization, err := runtime.Encode(encoder, currOriginalObj)
if err != nil {
return err
}
editedSerialization, err := runtime.Encode(encoder, info.Object)
if err != nil {
return err
}
// compute the patch on a per-item basis
// use strategic merge to create a patch
originalJS, err := yaml.ToJSON(originalSerialization)
if err != nil {
return err
}
editedJS, err := yaml.ToJSON(editedSerialization)
if err != nil {
return err
}
if reflect.DeepEqual(originalJS, editedJS) {
// no edit, so just skip it.
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "skipped")
return nil
}
patch, err := strategicpatch.CreateStrategicMergePatch(originalJS, editedJS, currOriginalObj)
// TODO: change all jsonmerge to strategicpatch
// for checking preconditions
preconditions := []jsonmerge.PreconditionFunc{}
if err != nil {
glog.V(4).Infof("Unable to calculate diff, no merge is possible: %v", err)
return err
} else {
preconditions = append(preconditions, jsonmerge.RequireKeyUnchanged("apiVersion"))
preconditions = append(preconditions, jsonmerge.RequireKeyUnchanged("kind"))
preconditions = append(preconditions, jsonmerge.RequireMetadataKeyUnchanged("name"))
results.version = defaultVersion
}
if hold, msg := jsonmerge.TestPreconditionsHold(patch, preconditions); !hold {
fmt.Fprintf(errOut, "error: %s", msg)
return preservedFile(nil, file, errOut)
}
patched, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch)
if err != nil {
fmt.Fprintln(out, results.addError(err, info))
return nil
}
info.Refresh(patched, true)
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "edited")
return nil
})
if err != nil {
return preservedFile(err, results.file, errOut)
}
// Handle all possible errors
//
// 1. retryable: propose kubectl replace -f
// 2. notfound: indicate the location of the saved configuration of the deleted resource
// 3. invalid: retry those on the spot by looping ie. reloading the editor
if results.retryable > 0 {
fmt.Fprintf(errOut, "You can run `%s replace -f %s` to try this update again.\n", filepath.Base(os.Args[0]), file)
return errExit
}
if results.notfound > 0 {
fmt.Fprintf(errOut, "The edits you made on deleted resources have been saved to %q\n", file)
return errExit
}
if len(results.edit) == 0 {
if results.notfound == 0 {
os.Remove(file)
} else {
fmt.Fprintf(out, "The edits you made on deleted resources have been saved to %q\n", file)
}
return nil
}
// loop again and edit the remaining items
infos = results.edit
}
}
// NewFactory creates an object that holds common methods across all OpenShift commands
func NewFactory(clientConfig kclientcmd.ClientConfig) *Factory {
restMapper := registered.RESTMapper()
clients := &clientCache{
clients: make(map[string]*client.Client),
configs: make(map[string]*restclient.Config),
loader: clientConfig,
}
w := &Factory{
Factory: cmdutil.NewFactory(clientConfig),
OpenShiftClientConfig: clientConfig,
clients: clients,
ImageResolutionOptions: &imageResolutionOptions{},
}
w.Object = func(bool) (meta.RESTMapper, runtime.ObjectTyper) {
defaultMapper := ShortcutExpander{RESTMapper: kubectl.ShortcutExpander{RESTMapper: restMapper}}
defaultTyper := api.Scheme
// Output using whatever version was negotiated in the client cache. The
// version we decode with may not be the same as what the server requires.
cfg, err := clients.ClientConfigForVersion(nil)
if err != nil {
return defaultMapper, defaultTyper
}
cmdApiVersion := unversioned.GroupVersion{}
if cfg.GroupVersion != nil {
cmdApiVersion = *cfg.GroupVersion
}
// at this point we've negotiated and can get the client
oclient, err := clients.ClientForVersion(nil)
if err != nil {
return defaultMapper, defaultTyper
}
cacheDir := computeDiscoverCacheDir(filepath.Join(homedir.HomeDir(), ".kube"), cfg.Host)
cachedDiscoverClient := NewCachedDiscoveryClient(client.NewDiscoveryClient(oclient.RESTClient), cacheDir, time.Duration(10*time.Minute))
// if we can't find the server version or its too old to have Kind information in the discovery doc, skip the discovery RESTMapper
// and use our hardcoded levels
mapper := registered.RESTMapper()
if serverVersion, err := cachedDiscoverClient.ServerVersion(); err == nil && useDiscoveryRESTMapper(serverVersion.GitVersion) {
mapper = restmapper.NewDiscoveryRESTMapper(cachedDiscoverClient)
}
mapper = NewShortcutExpander(cachedDiscoverClient, kubectl.ShortcutExpander{RESTMapper: mapper})
return kubectl.OutputVersionMapper{RESTMapper: mapper, OutputVersions: []unversioned.GroupVersion{cmdApiVersion}}, api.Scheme
}
w.UnstructuredObject = func() (meta.RESTMapper, runtime.ObjectTyper, error) {
// load a discovery client from the default config
cfg, err := clients.ClientConfigForVersion(nil)
if err != nil {
return nil, nil, err
}
dc, err := discovery.NewDiscoveryClientForConfig(cfg)
if err != nil {
return nil, nil, err
}
cacheDir := computeDiscoverCacheDir(filepath.Join(homedir.HomeDir(), ".kube"), cfg.Host)
cachedDiscoverClient := NewCachedDiscoveryClient(client.NewDiscoveryClient(dc.RESTClient), cacheDir, time.Duration(10*time.Minute))
// enumerate all group resources
groupResources, err := discovery.GetAPIGroupResources(cachedDiscoverClient)
if err != nil {
return nil, nil, err
}
// Register unknown APIs as third party for now to make
// validation happy. TODO perhaps make a dynamic schema
// validator to avoid this.
for _, group := range groupResources {
for _, version := range group.Group.Versions {
gv := unversioned.GroupVersion{Group: group.Group.Name, Version: version.Version}
if !registered.IsRegisteredVersion(gv) {
registered.AddThirdPartyAPIGroupVersions(gv)
}
}
}
// construct unstructured mapper and typer
mapper := discovery.NewRESTMapper(groupResources, meta.InterfacesForUnstructured)
typer := discovery.NewUnstructuredObjectTyper(groupResources)
return NewShortcutExpander(cachedDiscoverClient, kubectl.ShortcutExpander{RESTMapper: mapper}), typer, nil
}
kClientForMapping := w.Factory.ClientForMapping
w.ClientForMapping = func(mapping *meta.RESTMapping) (resource.RESTClient, error) {
if latest.OriginKind(mapping.GroupVersionKind) {
mappingVersion := mapping.GroupVersionKind.GroupVersion()
client, err := clients.ClientForVersion(&mappingVersion)
if err != nil {
return nil, err
}
return client.RESTClient, nil
}
return kClientForMapping(mapping)
}
kUnstructuredClientForMapping := w.Factory.UnstructuredClientForMapping
w.UnstructuredClientForMapping = func(mapping *meta.RESTMapping) (resource.RESTClient, error) {
if latest.OriginKind(mapping.GroupVersionKind) {
cfg, err := clientConfig.ClientConfig()
if err != nil {
return nil, err
}
if err := client.SetOpenShiftDefaults(cfg); err != nil {
return nil, err
}
cfg.APIPath = "/apis"
if mapping.GroupVersionKind.Group == api.GroupName {
cfg.APIPath = "/oapi"
}
gv := mapping.GroupVersionKind.GroupVersion()
cfg.ContentConfig = dynamic.ContentConfig()
cfg.GroupVersion = &gv
return restclient.RESTClientFor(cfg)
}
return kUnstructuredClientForMapping(mapping)
}
// Save original Describer function
kDescriberFunc := w.Factory.Describer
w.Describer = func(mapping *meta.RESTMapping) (kubectl.Describer, error) {
if latest.OriginKind(mapping.GroupVersionKind) {
oClient, kClient, err := w.Clients()
if err != nil {
return nil, fmt.Errorf("unable to create client %s: %v", mapping.GroupVersionKind.Kind, err)
}
mappingVersion := mapping.GroupVersionKind.GroupVersion()
cfg, err := clients.ClientConfigForVersion(&mappingVersion)
if err != nil {
return nil, fmt.Errorf("unable to load a client %s: %v", mapping.GroupVersionKind.Kind, err)
}
describer, ok := describe.DescriberFor(mapping.GroupVersionKind.GroupKind(), oClient, kClient, cfg.Host)
if !ok {
return nil, fmt.Errorf("no description has been implemented for %q", mapping.GroupVersionKind.Kind)
}
return describer, nil
}
return kDescriberFunc(mapping)
}
kScalerFunc := w.Factory.Scaler
w.Scaler = func(mapping *meta.RESTMapping) (kubectl.Scaler, error) {
if mapping.GroupVersionKind.GroupKind() == deployapi.Kind("DeploymentConfig") {
oc, kc, err := w.Clients()
if err != nil {
return nil, err
}
return deploycmd.NewDeploymentConfigScaler(oc, kc), nil
}
return kScalerFunc(mapping)
}
kReaperFunc := w.Factory.Reaper
w.Reaper = func(mapping *meta.RESTMapping) (kubectl.Reaper, error) {
switch mapping.GroupVersionKind.GroupKind() {
case deployapi.Kind("DeploymentConfig"):
oc, kc, err := w.Clients()
if err != nil {
return nil, err
}
return deploycmd.NewDeploymentConfigReaper(oc, kc), nil
case authorizationapi.Kind("Role"):
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
return authorizationreaper.NewRoleReaper(oc, oc), nil
case authorizationapi.Kind("ClusterRole"):
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
return authorizationreaper.NewClusterRoleReaper(oc, oc, oc), nil
case userapi.Kind("User"):
oc, kc, err := w.Clients()
if err != nil {
return nil, err
}
return authenticationreaper.NewUserReaper(
client.UsersInterface(oc),
client.GroupsInterface(oc),
client.ClusterRoleBindingsInterface(oc),
client.RoleBindingsNamespacer(oc),
kclient.SecurityContextConstraintsInterface(kc),
), nil
case userapi.Kind("Group"):
oc, kc, err := w.Clients()
if err != nil {
return nil, err
}
return authenticationreaper.NewGroupReaper(
client.GroupsInterface(oc),
client.ClusterRoleBindingsInterface(oc),
client.RoleBindingsNamespacer(oc),
kclient.SecurityContextConstraintsInterface(kc),
), nil
case buildapi.Kind("BuildConfig"):
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
return buildcmd.NewBuildConfigReaper(oc), nil
}
return kReaperFunc(mapping)
}
kGenerators := w.Factory.Generators
w.Generators = func(cmdName string) map[string]kubectl.Generator {
originGenerators := DefaultGenerators(cmdName)
kubeGenerators := kGenerators(cmdName)
ret := map[string]kubectl.Generator{}
for k, v := range kubeGenerators {
ret[k] = v
}
for k, v := range originGenerators {
ret[k] = v
}
return ret
}
kMapBasedSelectorForObjectFunc := w.Factory.MapBasedSelectorForObject
w.MapBasedSelectorForObject = func(object runtime.Object) (string, error) {
switch t := object.(type) {
case *deployapi.DeploymentConfig:
return kubectl.MakeLabels(t.Spec.Selector), nil
default:
return kMapBasedSelectorForObjectFunc(object)
}
}
kPortsForObjectFunc := w.Factory.PortsForObject
w.PortsForObject = func(object runtime.Object) ([]string, error) {
switch t := object.(type) {
case *deployapi.DeploymentConfig:
return getPorts(t.Spec.Template.Spec), nil
default:
return kPortsForObjectFunc(object)
}
}
kLogsForObjectFunc := w.Factory.LogsForObject
w.LogsForObject = func(object, options runtime.Object) (*restclient.Request, error) {
switch t := object.(type) {
case *deployapi.DeploymentConfig:
dopts, ok := options.(*deployapi.DeploymentLogOptions)
if !ok {
return nil, errors.New("provided options object is not a DeploymentLogOptions")
}
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
return oc.DeploymentLogs(t.Namespace).Get(t.Name, *dopts), nil
case *buildapi.Build:
bopts, ok := options.(*buildapi.BuildLogOptions)
if !ok {
return nil, errors.New("provided options object is not a BuildLogOptions")
}
if bopts.Version != nil {
return nil, errors.New("cannot specify a version and a build")
}
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
return oc.BuildLogs(t.Namespace).Get(t.Name, *bopts), nil
case *buildapi.BuildConfig:
bopts, ok := options.(*buildapi.BuildLogOptions)
if !ok {
return nil, errors.New("provided options object is not a BuildLogOptions")
}
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
builds, err := oc.Builds(t.Namespace).List(api.ListOptions{})
if err != nil {
return nil, err
}
builds.Items = buildapi.FilterBuilds(builds.Items, buildapi.ByBuildConfigPredicate(t.Name))
if len(builds.Items) == 0 {
return nil, fmt.Errorf("no builds found for %q", t.Name)
}
if bopts.Version != nil {
// If a version has been specified, try to get the logs from that build.
desired := buildutil.BuildNameForConfigVersion(t.Name, int(*bopts.Version))
return oc.BuildLogs(t.Namespace).Get(desired, *bopts), nil
}
sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))
return oc.BuildLogs(t.Namespace).Get(builds.Items[0].Name, *bopts), nil
default:
return kLogsForObjectFunc(object, options)
}
}
// Saves current resource name (or alias if any) in PrintOptions. Once saved, it will not be overwritten by the
// kubernetes resource alias look-up, as it will notice a non-empty value in `options.Kind`
w.Printer = func(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
if mapping != nil {
options.Kind = mapping.Resource
if alias, ok := resourceShortFormFor(mapping.Resource); ok {
options.Kind = alias
}
}
return describe.NewHumanReadablePrinter(options), nil
}
// PrintResourceInfos receives a list of resource infos and prints versioned objects if a generic output format was specified
// otherwise, it iterates through info objects, printing each resource with a unique printer for its mapping
w.PrintResourceInfos = func(cmd *cobra.Command, infos []*resource.Info, out io.Writer) error {
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return nil
}
if !generic {
for _, info := range infos {
mapping := info.ResourceMapping()
printer, err := w.PrinterForMapping(cmd, mapping, false)
if err != nil {
return err
}
if err := printer.PrintObj(info.Object, out); err != nil {
return nil
}
}
return nil
}
clientConfig, err := w.ClientConfig()
if err != nil {
return err
}
outputVersion, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
object, err := resource.AsVersionedObject(infos, len(infos) != 1, outputVersion, api.Codecs.LegacyCodec(outputVersion))
if err != nil {
return err
}
return printer.PrintObj(object, out)
}
kCanBeExposed := w.Factory.CanBeExposed
w.CanBeExposed = func(kind unversioned.GroupKind) error {
if kind == deployapi.Kind("DeploymentConfig") {
return nil
}
return kCanBeExposed(kind)
}
kCanBeAutoscaled := w.Factory.CanBeAutoscaled
w.CanBeAutoscaled = func(kind unversioned.GroupKind) error {
if kind == deployapi.Kind("DeploymentConfig") {
return nil
}
return kCanBeAutoscaled(kind)
}
kAttachablePodForObjectFunc := w.Factory.AttachablePodForObject
w.AttachablePodForObject = func(object runtime.Object) (*api.Pod, error) {
switch t := object.(type) {
case *deployapi.DeploymentConfig:
_, kc, err := w.Clients()
if err != nil {
return nil, err
}
selector := labels.SelectorFromSet(t.Spec.Selector)
f := func(pods []*api.Pod) sort.Interface { return sort.Reverse(controller.ActivePods(pods)) }
pod, _, err := cmdutil.GetFirstPod(kc, t.Namespace, selector, 1*time.Minute, f)
return pod, err
default:
return kAttachablePodForObjectFunc(object)
}
}
kUpdatePodSpecForObject := w.Factory.UpdatePodSpecForObject
w.UpdatePodSpecForObject = func(obj runtime.Object, fn func(*api.PodSpec) error) (bool, error) {
switch t := obj.(type) {
case *deployapi.DeploymentConfig:
template := t.Spec.Template
if template == nil {
t.Spec.Template = template
template = &api.PodTemplateSpec{}
}
return true, fn(&template.Spec)
default:
return kUpdatePodSpecForObject(obj, fn)
}
}
kProtocolsForObject := w.Factory.ProtocolsForObject
w.ProtocolsForObject = func(object runtime.Object) (map[string]string, error) {
switch t := object.(type) {
case *deployapi.DeploymentConfig:
return getProtocols(t.Spec.Template.Spec), nil
default:
return kProtocolsForObject(object)
}
}
kSwaggerSchemaFunc := w.Factory.SwaggerSchema
w.Factory.SwaggerSchema = func(gvk unversioned.GroupVersionKind) (*swagger.ApiDeclaration, error) {
if !latest.OriginKind(gvk) {
return kSwaggerSchemaFunc(gvk)
}
// TODO: we need to register the OpenShift API under the Kube group, and start returning the OpenShift
// group from the scheme.
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
return w.OriginSwaggerSchema(oc.RESTClient, gvk.GroupVersion())
}
w.EditorEnvs = func() []string {
return []string{"OC_EDITOR", "EDITOR"}
}
w.PrintObjectSpecificMessage = func(obj runtime.Object, out io.Writer) {}
kPauseObjectFunc := w.Factory.PauseObject
w.Factory.PauseObject = func(object runtime.Object) (bool, error) {
switch t := object.(type) {
case *deployapi.DeploymentConfig:
if t.Spec.Paused {
return true, nil
}
t.Spec.Paused = true
oc, _, err := w.Clients()
if err != nil {
return false, err
}
_, err = oc.DeploymentConfigs(t.Namespace).Update(t)
// TODO: Pause the deployer containers.
return false, err
default:
return kPauseObjectFunc(object)
}
}
kResumeObjectFunc := w.Factory.ResumeObject
w.Factory.ResumeObject = func(object runtime.Object) (bool, error) {
switch t := object.(type) {
case *deployapi.DeploymentConfig:
if !t.Spec.Paused {
return true, nil
}
t.Spec.Paused = false
oc, _, err := w.Clients()
if err != nil {
return false, err
}
_, err = oc.DeploymentConfigs(t.Namespace).Update(t)
// TODO: Resume the deployer containers.
return false, err
default:
return kResumeObjectFunc(object)
}
}
kResolveImageFunc := w.Factory.ResolveImage
w.Factory.ResolveImage = func(image string) (string, error) {
options := w.ImageResolutionOptions.(*imageResolutionOptions)
if imageutil.IsDocker(options.Source) {
return kResolveImageFunc(image)
}
oc, _, err := w.Clients()
if err != nil {
return "", err
}
namespace, _, err := w.DefaultNamespace()
if err != nil {
return "", err
}
return imageutil.ResolveImagePullSpec(oc, oc, options.Source, image, namespace)
}
kHistoryViewerFunc := w.Factory.HistoryViewer
w.Factory.HistoryViewer = func(mapping *meta.RESTMapping) (kubectl.HistoryViewer, error) {
switch mapping.GroupVersionKind.GroupKind() {
case deployapi.Kind("DeploymentConfig"):
oc, kc, err := w.Clients()
if err != nil {
return nil, err
}
return deploycmd.NewDeploymentConfigHistoryViewer(oc, kc), nil
}
return kHistoryViewerFunc(mapping)
}
kRollbackerFunc := w.Factory.Rollbacker
w.Factory.Rollbacker = func(mapping *meta.RESTMapping) (kubectl.Rollbacker, error) {
switch mapping.GroupVersionKind.GroupKind() {
case deployapi.Kind("DeploymentConfig"):
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
return deploycmd.NewDeploymentConfigRollbacker(oc), nil
}
return kRollbackerFunc(mapping)
}
kStatusViewerFunc := w.Factory.StatusViewer
w.Factory.StatusViewer = func(mapping *meta.RESTMapping) (kubectl.StatusViewer, error) {
oc, _, err := w.Clients()
if err != nil {
return nil, err
}
switch mapping.GroupVersionKind.GroupKind() {
case deployapi.Kind("DeploymentConfig"):
return deploycmd.NewDeploymentConfigStatusViewer(oc), nil
}
return kStatusViewerFunc(mapping)
}
return w
}
// RunGet implements the generic Get command
// TODO: convert all direct flag accessors to a struct and pass that instead of cmd
func RunGet(f cmdutil.Factory, out, errOut io.Writer, cmd *cobra.Command, args []string, options *GetOptions) error {
if len(options.Raw) > 0 {
restClient, err := f.RESTClient()
if err != nil {
return err
}
stream, err := restClient.Get().RequestURI(options.Raw).Stream()
if err != nil {
return err
}
defer stream.Close()
_, err = io.Copy(out, stream)
if err != nil && err != io.EOF {
return err
}
return nil
}
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
showKind := cmdutil.GetFlagBool(cmd, "show-kind")
mapper, typer := f.Object()
printAll := false
filterFuncs := f.DefaultResourceFilterFunc()
filterOpts := f.DefaultResourceFilterOptions(cmd, allNamespaces)
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
if allNamespaces {
enforceNamespace = false
}
if len(args) == 0 && cmdutil.IsFilenameEmpty(options.Filenames) {
fmt.Fprint(errOut, "You must specify the type of resource to get. ", valid_resources)
fullCmdName := cmd.Parent().CommandPath()
usageString := "Required resource not specified."
if len(fullCmdName) > 0 && cmdutil.IsSiblingCommandExists(cmd, "explain") {
usageString = fmt.Sprintf("%s\nUse \"%s explain <resource>\" for a detailed description of that resource (e.g. %[2]s explain pods).", usageString, fullCmdName)
}
return cmdutil.UsageError(cmd, usageString)
}
// determine if args contains "all"
for _, a := range args {
if a == "all" {
printAll = true
break
}
}
// always show resources when getting by name or filename
argsHasNames, err := resource.HasNames(args)
if err != nil {
return err
}
if len(options.Filenames) > 0 || argsHasNames {
cmd.Flag("show-all").Value.Set("true")
}
export := cmdutil.GetFlagBool(cmd, "export")
// handle watch separately since we cannot watch multiple resource types
isWatch, isWatchOnly := cmdutil.GetFlagBool(cmd, "watch"), cmdutil.GetFlagBool(cmd, "watch-only")
if isWatch || isWatchOnly {
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
Do()
err := r.Err()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) != 1 {
return fmt.Errorf("watch is only supported on individual resources and resource collections - %d resources were found", len(infos))
}
info := infos[0]
mapping := info.ResourceMapping()
printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
return err
}
obj, err := r.Object()
if err != nil {
return err
}
// watching from resourceVersion 0, starts the watch at ~now and
// will return an initial watch event. Starting form ~now, rather
// the rv of the object will insure that we start the watch from
// inside the watch window, which the rv of the object might not be.
rv := "0"
isList := meta.IsListType(obj)
if isList {
// the resourceVersion of list objects is ~now but won't return
// an initial watch event
rv, err = mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
}
// print the current object
filteredResourceCount := 0
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
filteredResourceCount++
cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, errOut, filterOpts)
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
first := true
filteredResourceCount = 0
intr := interrupt.New(nil, w.Stop)
intr.Run(func() error {
_, err := watch.Until(0, w, func(e watch.Event) (bool, error) {
if !isList && first {
// drop the initial watch event in the single resource case
first = false
return false, nil
}
err := printer.PrintObj(e.Object, out)
if err != nil {
return false, err
}
filteredResourceCount++
cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, errOut, filterOpts)
return false, nil
})
return err
})
return nil
}
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
// the outermost object will be converted to the output-version, but inner
// objects can use their mappings
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
var errs []error
singular := false
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
if singular {
return err
}
errs = append(errs, err)
}
if len(infos) == 0 {
outputEmptyListWarning(errOut)
}
res := ""
if len(infos) > 0 {
res = infos[0].ResourceMapping().Resource
}
obj, err := resource.AsVersionedObject(infos, !singular, version, f.JSONEncoder())
if err != nil {
return err
}
isList := meta.IsListType(obj)
if isList {
filteredResourceCount, items, err := cmdutil.FilterResourceList(obj, filterFuncs, filterOpts)
if err != nil {
return err
}
filteredObj, err := cmdutil.ObjectListToVersionedObject(items, version)
if err != nil {
return err
}
if err := printer.PrintObj(filteredObj, out); err != nil {
errs = append(errs, err)
}
cmdutil.PrintFilterCount(filteredResourceCount, res, errOut, filterOpts)
return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
}
filteredResourceCount := 0
if isFiltered, err := filterFuncs.Filter(obj, filterOpts); !isFiltered {
if err != nil {
glog.V(2).Infof("Unable to filter resource: %v", err)
} else if err := printer.PrintObj(obj, out); err != nil {
errs = append(errs, err)
}
} else if isFiltered {
filteredResourceCount++
}
cmdutil.PrintFilterCount(filteredResourceCount, res, errOut, filterOpts)
return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
}
allErrs := []error{}
infos, err := r.Infos()
if err != nil {
allErrs = append(allErrs, err)
}
if len(infos) == 0 {
outputEmptyListWarning(errOut)
}
objs := make([]runtime.Object, len(infos))
for ix := range infos {
objs[ix] = infos[ix].Object
}
sorting, err := cmd.Flags().GetString("sort-by")
if err != nil {
return err
}
var sorter *kubectl.RuntimeSort
if len(sorting) > 0 && len(objs) > 1 {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
for ix := range infos {
objs[ix], err = infos[ix].Mapping.ConvertToVersion(infos[ix].Object, version)
if err != nil {
allErrs = append(allErrs, err)
continue
}
}
// TODO: questionable
if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
return err
}
}
// use the default printer for each object
printer = nil
var lastMapping *meta.RESTMapping
w := kubectl.GetNewTabWriter(out)
filteredResourceCount := 0
if cmdutil.MustPrintWithKinds(objs, infos, sorter, printAll) {
showKind = true
}
for ix := range objs {
var mapping *meta.RESTMapping
var original runtime.Object
if sorter != nil {
mapping = infos[sorter.OriginalPosition(ix)].Mapping
original = infos[sorter.OriginalPosition(ix)].Object
} else {
mapping = infos[ix].Mapping
original = infos[ix].Object
}
if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
if printer != nil {
w.Flush()
cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, errOut, filterOpts)
}
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
allErrs = append(allErrs, err)
continue
}
// add linebreak between resource groups (if there is more than one)
// skip linebreak above first resource group
noHeaders := cmdutil.GetFlagBool(cmd, "no-headers")
if lastMapping != nil && !noHeaders {
fmt.Fprintf(errOut, "%s\n", "")
}
lastMapping = mapping
}
// filter objects if filter has been defined for current object
if isFiltered, err := filterFuncs.Filter(original, filterOpts); isFiltered {
if err == nil {
filteredResourceCount++
continue
}
allErrs = append(allErrs, err)
}
if resourcePrinter, found := printer.(*kubectl.HumanReadablePrinter); found {
resourceName := resourcePrinter.GetResourceKind()
if mapping != nil {
if resourceName == "" {
resourceName = mapping.Resource
}
if alias, ok := kubectl.ResourceShortFormFor(mapping.Resource); ok {
resourceName = alias
} else if resourceName == "" {
resourceName = "none"
}
} else {
resourceName = "none"
}
if showKind {
resourcePrinter.EnsurePrintWithKind(resourceName)
}
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
}
continue
}
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
continue
}
}
w.Flush()
if printer != nil && lastMapping != nil {
cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, errOut, filterOpts)
}
return utilerrors.NewAggregate(allErrs)
}
func runEdit(f cmdutil.Factory, out, errOut io.Writer, cmd *cobra.Command, args []string, options *resource.FilenameOptions, editMode EditMode) error {
o, err := getPrinter(cmd)
if err != nil {
return err
}
mapper, resourceMapper, r, cmdNamespace, err := getMapperAndResult(f, args, options, editMode)
if err != nil {
return err
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
encoder := f.JSONEncoder()
defaultVersion, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
var (
windowsLineEndings = cmdutil.GetFlagBool(cmd, "windows-line-endings")
edit = editor.NewDefaultEditor(f.EditorEnvs())
)
var (
results = editResults{}
original = []byte{}
edited = []byte{}
file string
)
containsError := false
for {
originalObj, err := resource.AsVersionedObject(infos, false, defaultVersion, encoder)
if err != nil {
return err
}
objToEdit := originalObj
// generate the file to edit
buf := &bytes.Buffer{}
var w io.Writer = buf
if windowsLineEndings {
w = crlf.NewCRLFWriter(w)
}
if o.addHeader {
results.header.writeTo(w)
}
if !containsError {
if err := o.printer.PrintObj(objToEdit, w); err != nil {
return preservedFile(err, results.file, errOut)
}
original = buf.Bytes()
} else {
// In case of an error, preserve the edited file.
// Remove the comments (header) from it since we already
// have included the latest header in the buffer above.
buf.Write(manualStrip(edited))
}
// launch the editor
editedDiff := edited
edited, file, err = edit.LaunchTempFile(fmt.Sprintf("%s-edit-", filepath.Base(os.Args[0])), o.ext, buf)
if err != nil {
return preservedFile(err, results.file, errOut)
}
if editMode == NormalEditMode || containsError {
if bytes.Equal(stripComments(editedDiff), stripComments(edited)) {
// Ugly hack right here. We will hit this either (1) when we try to
// save the same changes we tried to save in the previous iteration
// which means our changes are invalid or (2) when we exit the second
// time. The second case is more usual so we can probably live with it.
// TODO: A less hacky fix would be welcome :)
return preservedFile(fmt.Errorf("%s", "Edit cancelled, no valid changes were saved."), file, errOut)
}
}
// cleanup any file from the previous pass
if len(results.file) > 0 {
os.Remove(results.file)
}
glog.V(4).Infof("User edited:\n%s", string(edited))
// Apply validation
schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
if err != nil {
return preservedFile(err, file, errOut)
}
err = schema.ValidateBytes(stripComments(edited))
if err != nil {
results = editResults{
file: file,
}
containsError = true
fmt.Fprintln(out, results.addError(errors.NewInvalid(api.Kind(""), "", field.ErrorList{field.Invalid(nil, "The edited file failed validation", fmt.Sprintf("%v", err))}), infos[0]))
continue
}
// Compare content without comments
if bytes.Equal(stripComments(original), stripComments(edited)) {
os.Remove(file)
fmt.Fprintln(errOut, "Edit cancelled, no changes made.")
return nil
}
lines, err := hasLines(bytes.NewBuffer(edited))
if err != nil {
return preservedFile(err, file, errOut)
}
if !lines {
os.Remove(file)
fmt.Fprintln(errOut, "Edit cancelled, saved file was empty.")
return nil
}
results = editResults{
file: file,
}
// parse the edited file
updates, err := resourceMapper.InfoForData(edited, "edited-file")
if err != nil {
// syntax error
containsError = true
results.header.reasons = append(results.header.reasons, editReason{head: fmt.Sprintf("The edited file had a syntax error: %v", err)})
continue
}
// not a syntax error as it turns out...
containsError = false
namespaceVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
// need to make sure the original namespace wasn't changed while editing
if err = namespaceVisitor.Visit(resource.RequireNamespace(cmdNamespace)); err != nil {
return preservedFile(err, file, errOut)
}
// iterate through all items to apply annotations
mutatedObjects, err := visitAnnotation(cmd, f, updates, resourceMapper, encoder)
if err != nil {
return preservedFile(err, file, errOut)
}
// if we mutated a list in the visitor, persist the changes on the overall object
if meta.IsListType(updates.Object) {
meta.SetList(updates.Object, mutatedObjects)
}
switch editMode {
case NormalEditMode:
err = visitToPatch(originalObj, updates, mapper, resourceMapper, encoder, out, errOut, defaultVersion, &results, file)
case EditBeforeCreateMode:
err = visitToCreate(updates, mapper, resourceMapper, out, errOut, defaultVersion, &results, file)
default:
err = fmt.Errorf("Not supported edit mode %q", editMode)
}
if err != nil {
return preservedFile(err, results.file, errOut)
}
// Handle all possible errors
//
// 1. retryable: propose kubectl replace -f
// 2. notfound: indicate the location of the saved configuration of the deleted resource
// 3. invalid: retry those on the spot by looping ie. reloading the editor
if results.retryable > 0 {
fmt.Fprintf(errOut, "You can run `%s replace -f %s` to try this update again.\n", filepath.Base(os.Args[0]), file)
return cmdutil.ErrExit
}
if results.notfound > 0 {
fmt.Fprintf(errOut, "The edits you made on deleted resources have been saved to %q\n", file)
return cmdutil.ErrExit
}
if len(results.edit) == 0 {
if results.notfound == 0 {
os.Remove(file)
} else {
fmt.Fprintf(out, "The edits you made on deleted resources have been saved to %q\n", file)
}
return nil
}
if len(results.header.reasons) > 0 {
containsError = true
}
}
}
func RunLabel(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *LabelOptions) error {
resources, labelArgs := []string{}, []string{}
first := true
for _, s := range args {
isLabel := strings.Contains(s, "=") || strings.HasSuffix(s, "-")
switch {
case first && isLabel:
first = false
fallthrough
case !first && isLabel:
labelArgs = append(labelArgs, s)
case first && !isLabel:
resources = append(resources, s)
case !first && !isLabel:
return cmdutil.UsageError(cmd, "all resources must be specified before label changes: %s", s)
}
}
if len(resources) < 1 && len(options.Filenames) == 0 {
return cmdutil.UsageError(cmd, "one or more resources must be specified as <resource> <name> or <resource>/<name>")
}
if len(labelArgs) < 1 {
return cmdutil.UsageError(cmd, "at least one label update is required")
}
selector := cmdutil.GetFlagString(cmd, "selector")
all := cmdutil.GetFlagBool(cmd, "all")
overwrite := cmdutil.GetFlagBool(cmd, "overwrite")
resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
lbls, remove, err := parseLabels(labelArgs)
if err != nil {
return cmdutil.UsageError(cmd, err.Error())
}
mapper, typer := f.Object()
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(all, resources...).
Flatten().
Latest()
one := false
r := b.Do().IntoSingular(&one)
if err := r.Err(); err != nil {
return err
}
// only apply resource version locking on a single resource
if !one && len(resourceVersion) > 0 {
return cmdutil.UsageError(cmd, "--resource-version may only be used with a single resource")
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
// TODO: get the negotiated version per group
negotiatedVersion := ""
if clientConfig.GroupVersion != nil {
negotiatedVersion = clientConfig.GroupVersion.String()
}
// TODO: support bulk generic output a la Get
return r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
var outputObj runtime.Object
dataChangeMsg := "not labeled"
if cmdutil.GetFlagBool(cmd, "dry-run") {
err = labelFunc(info.Object, overwrite, resourceVersion, lbls, remove)
if err != nil {
return err
}
outputObj = info.Object
} else {
// if the resource can't be converted to the negotiated version, AsVersionedObject falls back to the info.Mapping.GroupVersion
obj, err := resource.AsVersionedObject([]*resource.Info{info}, false, negotiatedVersion)
if err != nil {
return err
}
name, namespace := info.Name, info.Namespace
oldData, err := json.Marshal(obj)
if err != nil {
return err
}
meta, err := api.ObjectMetaFor(obj)
for _, label := range remove {
if _, ok := meta.Labels[label]; !ok {
fmt.Fprintf(out, "label %q not found.\n", label)
}
}
if err := labelFunc(obj, overwrite, resourceVersion, lbls, remove); err != nil {
return err
}
newData, err := json.Marshal(obj)
if err != nil {
return err
}
if !reflect.DeepEqual(oldData, newData) {
dataChangeMsg = "labeled"
}
patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj)
createdPatch := err == nil
if err != nil {
glog.V(2).Infof("couldn't compute patch: %v", err)
}
mapping := info.ResourceMapping()
client, err := f.RESTClient(mapping)
if err != nil {
return err
}
helper := resource.NewHelper(client, mapping)
if createdPatch {
outputObj, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes)
} else {
outputObj, err = helper.Replace(namespace, name, false, obj)
}
if err != nil {
return err
}
}
outputFormat := cmdutil.GetFlagString(cmd, "output")
if outputFormat != "" {
return f.PrintObject(cmd, outputObj, out)
}
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, dataChangeMsg)
return nil
})
}
// RunAnnotate does the work
func (o AnnotateOptions) RunAnnotate() error {
r := o.builder.Do()
if err := r.Err(); err != nil {
return err
}
clientConfig, err := o.f.ClientConfig()
if err != nil {
return err
}
// TODO: get the negotiated version per group
negotiatedVersion := ""
if clientConfig.GroupVersion != nil {
negotiatedVersion = clientConfig.GroupVersion.String()
}
return r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
// if the resource can't be converted to the negotiated version, AsVersionedObject falls back to the info.Mapping.GroupVersion
obj, err := resource.AsVersionedObject([]*resource.Info{info}, false, negotiatedVersion)
if err != nil {
return err
}
name, namespace := info.Name, info.Namespace
oldData, err := json.Marshal(obj)
if err != nil {
return err
}
if err := o.updateAnnotations(obj); err != nil {
return err
}
newData, err := json.Marshal(obj)
if err != nil {
return err
}
patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj)
createdPatch := err == nil
if err != nil {
glog.V(2).Infof("couldn't compute patch: %v", err)
}
mapping := info.ResourceMapping()
client, err := o.f.RESTClient(mapping)
if err != nil {
return err
}
helper := resource.NewHelper(client, mapping)
var outputObj runtime.Object
if createdPatch {
outputObj, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes)
} else {
outputObj, err = helper.Replace(namespace, name, false, obj)
}
if err != nil {
return err
}
outputFormat := cmdutil.GetFlagString(o.cmd, "output")
if outputFormat != "" {
return o.f.PrintObject(o.cmd, outputObj, o.out)
}
mapper, _ := o.f.Object()
cmdutil.PrintSuccess(mapper, false, o.out, info.Mapping.Resource, info.Name, "annotated")
return nil
})
}
// RunEnv contains all the necessary functionality for the OpenShift cli env command
func RunEnv(f *clientcmd.Factory, in io.Reader, out io.Writer, cmd *cobra.Command, args []string, envParams, filenames kutil.StringList) error {
resources, envArgs := []string{}, []string{}
first := true
for _, s := range args {
isEnv := strings.Contains(s, "=") || strings.HasSuffix(s, "-")
switch {
case first && isEnv:
first = false
fallthrough
case !first && isEnv:
envArgs = append(envArgs, s)
case first && !isEnv:
resources = append(resources, s)
case !first && !isEnv:
return cmdutil.UsageError(cmd, "all resources must be specified before environment changes: %s", s)
}
}
if len(filenames) == 0 && len(resources) < 1 {
return cmdutil.UsageError(cmd, "one or more resources must be specified as <resource> <name> or <resource>/<name>")
}
containerMatch := cmdutil.GetFlagString(cmd, "containers")
list := cmdutil.GetFlagBool(cmd, "list")
selector := cmdutil.GetFlagString(cmd, "selector")
all := cmdutil.GetFlagBool(cmd, "all")
//overwrite := cmdutil.GetFlagBool(cmd, "overwrite")
resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
outputFormat := cmdutil.GetFlagString(cmd, "output")
if list && len(outputFormat) > 0 {
return cmdutil.UsageError(cmd, "--list and --output may not be specified together")
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
outputVersion := cmdutil.OutputVersion(cmd, clientConfig.Version)
cmdNamespace, explicit, err := f.DefaultNamespace()
if err != nil {
return err
}
env, remove, err := parseEnv(append(envParams, envArgs...), in)
if err != nil {
return err
}
mapper, typer := f.Object()
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(explicit, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(all, resources...).
Flatten()
one := false
infos, err := b.Do().IntoSingular(&one).Infos()
if err != nil {
return err
}
// only apply resource version locking on a single resource
if !one && len(resourceVersion) > 0 {
return cmdutil.UsageError(cmd, "--resource-version may only be used with a single resource")
}
skipped := 0
for _, info := range infos {
ok, err := f.UpdatePodSpecForObject(info.Object, func(spec *kapi.PodSpec) error {
containers, _ := selectContainers(spec.Containers, containerMatch)
if len(containers) == 0 {
fmt.Fprintf(cmd.Out(), "warning: %s/%s does not have any containers matching %q\n", info.Mapping.Resource, info.Name, containerMatch)
return nil
}
for _, c := range containers {
c.Env = updateEnv(c.Env, env, remove)
if list {
fmt.Fprintf(out, "# %s %s, container %s\n", info.Mapping.Resource, info.Name, c.Name)
for _, env := range c.Env {
// if env.ValueFrom != nil && env.ValueFrom.FieldRef != nil {
// fmt.Fprintf(cmd.Out(), "%s= # calculated from pod %s %s\n", env.Name, env.ValueFrom.FieldRef.FieldPath, env.ValueFrom.FieldRef.APIVersion)
// continue
// }
fmt.Fprintf(out, "%s=%s\n", env.Name, env.Value)
}
}
}
return nil
})
if !ok {
skipped++
continue
}
if err != nil {
fmt.Fprintf(cmd.Out(), "error: %s/%s %v\n", info.Mapping.Resource, info.Name, err)
continue
}
}
if one && skipped == len(infos) {
return fmt.Errorf("the %s %s is not a pod or does not have a pod template", infos[0].Mapping.Resource, infos[0].Name)
}
if list {
return nil
}
objects, err := resource.AsVersionedObject(infos, false, outputVersion)
if err != nil {
return err
}
if len(outputFormat) != 0 {
p, _, err := kubectl.GetPrinter(outputFormat, "")
if err != nil {
return err
}
return p.PrintObj(objects, out)
}
failed := false
for _, info := range infos {
data, err := info.Mapping.Codec.Encode(info.Object)
if err != nil {
fmt.Fprintf(cmd.Out(), "Error: %v\n", err)
failed = true
continue
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, true, data)
if err != nil {
handlePodUpdateError(cmd.Out(), err, "environment variables")
failed = true
continue
}
info.Refresh(obj, true)
fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
}
if failed {
return errExit
}
return nil
}
func (o *ProbeOptions) Run() error {
infos := o.Infos
singular := len(o.Infos) <= 1
if o.Builder != nil {
loaded, err := o.Builder.Do().IntoSingular(&singular).Infos()
if err != nil {
return err
}
infos = loaded
}
patches := CalculatePatches(infos, o.Encoder, func(info *resource.Info) (bool, error) {
transformed := false
_, err := o.UpdatePodSpecForObject(info.Object, func(spec *kapi.PodSpec) error {
containers, _ := selectContainers(spec.Containers, o.ContainerSelector)
if len(containers) == 0 {
fmt.Fprintf(o.Err, "warning: %s/%s does not have any containers matching %q\n", info.Mapping.Resource, info.Name, o.ContainerSelector)
return nil
}
// perform updates
transformed = true
for _, container := range containers {
o.updateContainer(container)
}
return nil
})
return transformed, err
})
if singular && len(patches) == 0 {
return fmt.Errorf("%s/%s is not a pod or does not have a pod template", infos[0].Mapping.Resource, infos[0].Name)
}
if o.PrintObject != nil {
object, err := resource.AsVersionedObject(infos, !singular, o.OutputVersion.String(), kapi.Codecs.LegacyCodec(o.OutputVersion))
if err != nil {
return err
}
return o.PrintObject(object)
}
failed := false
for _, patch := range patches {
info := patch.Info
if patch.Err != nil {
fmt.Fprintf(o.Err, "error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err)
continue
}
if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
fmt.Fprintf(o.Err, "info: %s %q was not changed\n", info.Mapping.Resource, info.Name)
continue
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, kapi.StrategicMergePatchType, patch.Patch)
if err != nil {
handlePodUpdateError(o.Err, err, "probes")
failed = true
continue
}
info.Refresh(obj, true)
kcmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, "updated")
}
if failed {
return cmdutil.ErrExit
}
return nil
}
func RunEdit(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames []string) error {
var printer kubectl.ResourcePrinter
var ext string
switch format := cmdutil.GetFlagString(cmd, "output"); format {
case "json":
printer = &kubectl.JSONPrinter{}
ext = ".json"
case "yaml":
printer = &kubectl.YAMLPrinter{}
ext = ".yaml"
default:
return cmdutil.UsageError(cmd, "The flag 'output' must be one of yaml|json")
}
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
rmap := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: f.ClientMapperForCommand(),
}
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, filenames...).
ResourceTypeOrNameArgs(true, args...).
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
defaultVersion := cmdutil.OutputVersion(cmd, clientConfig.Version)
results := editResults{}
for {
obj, err := resource.AsVersionedObject(infos, false, defaultVersion)
if err != nil {
return preservedFile(err, results.file, out)
}
// TODO: add an annotating YAML printer that can print inline comments on each field,
// including descriptions or validation errors
// generate the file to edit
buf := &bytes.Buffer{}
if err := results.header.writeTo(buf); err != nil {
return preservedFile(err, results.file, out)
}
if err := printer.PrintObj(obj, buf); err != nil {
return preservedFile(err, results.file, out)
}
original := buf.Bytes()
// launch the editor
edit := editor.NewDefaultEditor()
edited, file, err := edit.LaunchTempFile("kubectl-edit-", ext, buf)
if err != nil {
return preservedFile(err, results.file, out)
}
// cleanup any file from the previous pass
if len(results.file) > 0 {
os.Remove(results.file)
}
glog.V(4).Infof("User edited:\n%s", string(edited))
fmt.Printf("User edited:\n%s", string(edited))
lines, err := hasLines(bytes.NewBuffer(edited))
if err != nil {
return preservedFile(err, file, out)
}
if bytes.Equal(original, edited) {
if len(results.edit) > 0 {
preservedFile(nil, file, out)
} else {
os.Remove(file)
}
fmt.Fprintln(out, "Edit cancelled, no changes made.")
return nil
}
if !lines {
if len(results.edit) > 0 {
preservedFile(nil, file, out)
} else {
os.Remove(file)
}
fmt.Fprintln(out, "Edit cancelled, saved file was empty.")
return nil
}
results = editResults{
file: file,
}
// parse the edited file
updates, err := rmap.InfoForData(edited, "edited-file")
if err != nil {
return preservedFile(err, file, out)
}
visitor := resource.NewFlattenListVisitor(updates, rmap)
// need to make sure the original namespace wasn't changed while editing
if err = visitor.Visit(resource.RequireNamespace(cmdNamespace)); err != nil {
return preservedFile(err, file, out)
}
// use strategic merge to create a patch
originalJS, err := yaml.ToJSON(original)
if err != nil {
return preservedFile(err, file, out)
}
editedJS, err := yaml.ToJSON(edited)
if err != nil {
return preservedFile(err, file, out)
}
patch, err := strategicpatch.CreateStrategicMergePatch(originalJS, editedJS, obj)
// TODO: change all jsonmerge to strategicpatch
// for checking preconditions
preconditions := []jsonmerge.PreconditionFunc{}
if err != nil {
glog.V(4).Infof("Unable to calculate diff, no merge is possible: %v", err)
return preservedFile(err, file, out)
} else {
preconditions = append(preconditions, jsonmerge.RequireKeyUnchanged("apiVersion"))
preconditions = append(preconditions, jsonmerge.RequireKeyUnchanged("kind"))
preconditions = append(preconditions, jsonmerge.RequireMetadataKeyUnchanged("name"))
results.version = defaultVersion
}
if hold, msg := jsonmerge.TestPreconditionsHold(patch, preconditions); !hold {
fmt.Fprintf(out, "error: %s", msg)
return preservedFile(nil, file, out)
}
err = visitor.Visit(func(info *resource.Info, err error) error {
patched, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch)
if err != nil {
fmt.Fprintln(out, results.addError(err, info))
return nil
}
info.Refresh(patched, true)
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "edited")
return nil
})
if err != nil {
return preservedFile(err, file, out)
}
if results.retryable > 0 {
fmt.Fprintf(out, "You can run `kubectl replace -f %s` to try this update again.\n", file)
return errExit
}
if results.conflict > 0 {
fmt.Fprintf(out, "You must update your local resource version and run `kubectl replace -f %s` to overwrite the remote changes.\n", file)
return errExit
}
if len(results.edit) == 0 {
if results.notfound == 0 {
os.Remove(file)
} else {
fmt.Fprintf(out, "The edits you made on deleted resources have been saved to %q\n", file)
}
return nil
}
// loop again and edit the remaining items
infos = results.edit
}
}
// RunGet implements the generic Get command
// TODO: convert all direct flag accessors to a struct and pass that instead of cmd
func RunGet(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *GetOptions) error {
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
mapper, typer := f.Object()
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
if len(args) == 0 && len(options.Filenames) == 0 {
fmt.Fprint(out, "You must specify the type of resource to get. ", valid_resources)
return cmdutil.UsageError(cmd, "Required resource not specified.")
}
// always show resources when getting by name or filename
argsHasNames, err := resource.HasNames(args)
if err != nil {
return err
}
if len(options.Filenames) > 0 || argsHasNames {
cmd.Flag("show-all").Value.Set("true")
}
export := cmdutil.GetFlagBool(cmd, "export")
// handle watch separately since we cannot watch multiple resource types
isWatch, isWatchOnly := cmdutil.GetFlagBool(cmd, "watch"), cmdutil.GetFlagBool(cmd, "watch-only")
if isWatch || isWatchOnly {
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, options.Filenames...).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
Do()
err := r.Err()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) != 1 {
return fmt.Errorf("watch is only supported on individual resources and resource collections - %d resources were found", len(infos))
}
info := infos[0]
mapping := info.ResourceMapping()
printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
return err
}
obj, err := r.Object()
if err != nil {
return err
}
rv, err := mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
// print the current object
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
kubectl.WatchLoop(w, func(e watch.Event) error {
return printer.PrintObj(e.Object, out)
})
return nil
}
b := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, options.Filenames...).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest()
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
singular := false
r := b.Flatten().Do()
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
return err
}
// the outermost object will be converted to the output-version, but inner
// objects can use their mappings
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
obj, err := resource.AsVersionedObject(infos, !singular, version.String(), f.JSONEncoder())
if err != nil {
return err
}
return printer.PrintObj(obj, out)
}
infos, err := b.Flatten().Do().Infos()
if err != nil {
return err
}
objs := make([]runtime.Object, len(infos))
for ix := range infos {
objs[ix] = infos[ix].Object
}
sorting, err := cmd.Flags().GetString("sort-by")
var sorter *kubectl.RuntimeSort
if err == nil && len(sorting) > 0 && len(objs) > 1 {
// TODO: questionable
if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
return err
}
}
// use the default printer for each object
printer = nil
var lastMapping *meta.RESTMapping
w := kubectl.GetNewTabWriter(out)
defer w.Flush()
for ix := range objs {
var mapping *meta.RESTMapping
if sorter != nil {
mapping = infos[sorter.OriginalPosition(ix)].Mapping
} else {
mapping = infos[ix].Mapping
}
if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
return err
}
lastMapping = mapping
}
if _, found := printer.(*kubectl.HumanReadablePrinter); found {
if err := printer.PrintObj(objs[ix], w); err != nil {
return err
}
continue
}
if err := printer.PrintObj(objs[ix], out); err != nil {
return err
}
}
return nil
}
// RunEdit contains all the necessary functionality for the OpenShift cli edit command.
func (o *EditOptions) RunEdit() error {
r := o.builder.Flatten().Do()
results := editResults{}
infos, err := r.Infos()
if err != nil {
return err
}
for {
obj, err := resource.AsVersionedObject(infos, false, o.version)
if err != nil {
return preservedFile(err, results.file, o.out)
}
// TODO: add an annotating YAML printer that can print inline comments on each field,
// including descriptions or validation errors
// generate the file to edit
buf := &bytes.Buffer{}
if _, err := results.header.WriteTo(buf); err != nil {
return preservedFile(err, results.file, o.out)
}
if err := o.printer.PrintObj(obj, buf); err != nil {
return preservedFile(err, results.file, o.out)
}
original := buf.Bytes()
// launch the editor
edit := editor.NewDefaultEditor()
edited, file, err := edit.LaunchTempFile("oc-edit-", o.ext, buf)
if err != nil {
return preservedFile(err, results.file, o.out)
}
// cleanup any file from the previous pass
if len(results.file) > 0 {
os.Remove(results.file)
}
glog.V(4).Infof("User edited:\n%s", string(edited))
lines, err := hasLines(bytes.NewBuffer(edited))
if err != nil {
return preservedFile(err, file, o.out)
}
if bytes.Equal(original, edited) {
if len(results.edit) > 0 {
preservedFile(nil, file, o.out)
} else {
os.Remove(file)
}
fmt.Fprintln(o.out, "Edit cancelled, no changes made.")
return nil
}
if !lines {
if len(results.edit) > 0 {
preservedFile(nil, file, o.out)
} else {
os.Remove(file)
}
fmt.Fprintln(o.out, "Edit cancelled, saved file was empty.")
return nil
}
results = editResults{
file: file,
}
// parse the edited file
updates, err := o.rmap.InfoForData(edited, "edited-file")
if err != nil {
results.header.reasons = append(results.header.reasons, editReason{
head: fmt.Sprintf("The edited file had a syntax error: %v", err),
})
continue
}
visitor := resource.NewFlattenListVisitor(updates, o.rmap)
// need to make sure the original namespace wasn't changed while editing
if err = visitor.Visit(resource.RequireNamespace(o.namespace)); err != nil {
return preservedFile(err, file, o.out)
}
// attempt to calculate a delta for merging conflicts
delta, err := jsonmerge.NewDelta(original, edited)
if err != nil {
glog.V(4).Infof("Unable to calculate diff, no merge is possible: %v", err)
delta = nil
} else {
delta.AddPreconditions(jsonmerge.RequireKeyUnchanged("apiVersion"))
results.delta = delta
results.version = o.version
}
err = visitor.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
data, err := info.Mapping.Codec.Encode(info.Object)
if err != nil {
return err
}
updated, err := resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, false, data)
if err != nil {
fmt.Fprintln(o.out, results.AddError(err, info))
return nil
}
info.Refresh(updated, true)
fmt.Fprintf(o.out, "%s/%s\n", info.Mapping.Resource, info.Name)
return nil
})
if err != nil {
return preservedFile(err, file, o.out)
}
if results.retryable > 0 {
fmt.Fprintf(o.out, "You can run `%s update -f %s` to try this update again.\n", o.fullName, file)
return errExit
}
if results.conflict > 0 {
fmt.Fprintf(o.out, "You must update your local resource version and run `%s update -f %s` to overwrite the remote changes.\n", o.fullName, file)
return errExit
}
if len(results.edit) == 0 {
if results.notfound == 0 {
os.Remove(file)
} else {
fmt.Fprintf(o.out, "The edits you made on deleted resources have been saved to %q\n", file)
}
return nil
}
// loop again and edit the remaining items
infos = results.edit
}
}
// RunEdit contains all the necessary functionality for the OpenShift cli edit command
func RunEdit(fullName string, f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
var printer kubectl.ResourcePrinter
var ext string
switch format := cmdutil.GetFlagString(cmd, "output"); format {
case "json":
printer = &kubectl.JSONPrinter{}
ext = ".json"
case "yaml":
printer = &kubectl.YAMLPrinter{}
ext = ".yaml"
default:
return cmdutil.UsageError(cmd, "The flag 'output' must be one of yaml|json")
}
cmdNamespace, explicit, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
rmap := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: f.ClientMapperForCommand(),
}
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(explicit, filenames...).
//SelectorParam(selector).
ResourceTypeOrNameArgs(true, args...).
Latest()
if err != nil {
return err
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
r := b.Flatten().Do()
infos, err := r.Infos()
if err != nil {
return err
}
defaultVersion := cmdutil.OutputVersion(cmd, clientConfig.Version)
results := editResults{}
for {
obj, err := resource.AsVersionedObject(infos, false, defaultVersion)
if err != nil {
return preservedFile(err, results.file, cmd.Out())
}
// TODO: add an annotating YAML printer that can print inline comments on each field,
// including descriptions or validation errors
// generate the file to edit
buf := &bytes.Buffer{}
if err := results.header.WriteTo(buf); err != nil {
return preservedFile(err, results.file, cmd.Out())
}
if err := printer.PrintObj(obj, buf); err != nil {
return preservedFile(err, results.file, cmd.Out())
}
original := buf.Bytes()
// launch the editor
edit := editor.NewDefaultEditor()
edited, file, err := edit.LaunchTempFile("oc-edit-", ext, buf)
if err != nil {
return preservedFile(err, results.file, cmd.Out())
}
// cleanup any file from the previous pass
if len(results.file) > 0 {
os.Remove(results.file)
}
glog.V(4).Infof("User edited:\n%s", string(edited))
lines, err := hasLines(bytes.NewBuffer(edited))
if err != nil {
return preservedFile(err, file, cmd.Out())
}
if bytes.Equal(original, edited) {
if len(results.edit) > 0 {
preservedFile(nil, file, cmd.Out())
} else {
os.Remove(file)
}
fmt.Fprintln(cmd.Out(), "Edit cancelled, no changes made.")
return nil
}
if !lines {
if len(results.edit) > 0 {
preservedFile(nil, file, cmd.Out())
} else {
os.Remove(file)
}
fmt.Fprintln(cmd.Out(), "Edit cancelled, saved file was empty.")
return nil
}
results = editResults{
file: file,
}
// parse the edited file
updates, err := rmap.InfoForData(edited, "edited-file")
if err != nil {
results.header.reasons = append(results.header.reasons, editReason{
head: fmt.Sprintf("The edited file had a syntax error: %v", err),
})
continue
}
visitor := resource.NewFlattenListVisitor(updates, rmap)
// need to make sure the original namespace wasn't changed while editing
if err = visitor.Visit(resource.RequireNamespace(cmdNamespace)); err != nil {
return preservedFile(err, file, cmd.Out())
}
// attempt to calculate a delta for merging conflicts
delta, err := jsonmerge.NewDelta(original, edited)
if err != nil {
glog.V(4).Infof("Unable to calculate diff, no merge is possible: %v", err)
delta = nil
} else {
delta.AddPreconditions(jsonmerge.RequireKeyUnchanged("apiVersion"))
results.delta = delta
results.version = defaultVersion
}
err = visitor.Visit(func(info *resource.Info) error {
data, err := info.Mapping.Codec.Encode(info.Object)
if err != nil {
return err
}
updated, err := resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, false, data)
if err != nil {
fmt.Fprintln(cmd.Out(), results.AddError(err, info))
return nil
}
info.Refresh(updated, true)
fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
return nil
})
if err != nil {
return preservedFile(err, file, cmd.Out())
}
if results.retryable > 0 {
fmt.Fprintf(cmd.Out(), "You can run `%s update -f %s` to try this update again.\n", fullName, file)
return errExit
}
if results.conflict > 0 {
fmt.Fprintf(cmd.Out(), "You must update your local resource version and run `%s update -f %s` to overwrite the remote changes.\n", fullName, file)
return errExit
}
if len(results.edit) == 0 {
if results.notfound == 0 {
os.Remove(file)
} else {
fmt.Fprintf(cmd.Out(), "The edits you made on deleted resources have been saved to %q\n", file)
}
return nil
}
// loop again and edit the remaining items
infos = results.edit
}
return nil
}
func RunExport(f *clientcmd.Factory, exporter Exporter, in io.Reader, out io.Writer, cmd *cobra.Command, args []string, filenames []string) error {
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
exact := cmdutil.GetFlagBool(cmd, "exact")
asTemplate := cmdutil.GetFlagString(cmd, "as-template")
raw := cmdutil.GetFlagBool(cmd, "raw")
if exact && raw {
return cmdutil.UsageError(cmd, "--exact and --raw may not both be specified")
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
outputVersion, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
cmdNamespace, explicit, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(explicit, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(true, args...).
Flatten()
one := false
infos, err := b.Do().IntoSingular(&one).Infos()
if err != nil {
return err
}
if len(infos) == 0 {
return fmt.Errorf("no resources found - nothing to export")
}
if !raw {
newInfos := []*resource.Info{}
errs := []error{}
for _, info := range infos {
if err := exporter.Export(info.Object, exact); err != nil {
if err == ErrExportOmit {
continue
}
errs = append(errs, err)
}
newInfos = append(newInfos, info)
}
if len(errs) > 0 {
return utilerrors.NewAggregate(errs)
}
infos = newInfos
}
var result runtime.Object
if len(asTemplate) > 0 {
objects, err := resource.AsVersionedObjects(infos, outputVersion.String())
if err != nil {
return err
}
template := &templateapi.Template{
Objects: objects,
}
template.Name = asTemplate
result, err = kapi.Scheme.ConvertToVersion(template, outputVersion.String())
if err != nil {
return err
}
} else {
object, err := resource.AsVersionedObject(infos, !one, outputVersion.String())
if err != nil {
return err
}
result = object
}
// use YAML as the default format
outputFormat := cmdutil.GetFlagString(cmd, "output")
templateFile := cmdutil.GetFlagString(cmd, "template")
if len(outputFormat) == 0 && len(templateFile) != 0 {
outputFormat = "template"
}
if len(outputFormat) == 0 {
outputFormat = "yaml"
}
p, _, err := kubectl.GetPrinter(outputFormat, templateFile)
if err != nil {
return err
}
return p.PrintObj(result, out)
}
