get the resource.Info out of the conversion business

pull/8/head
David Eads 2018-04-30 09:25:45 -04:00
parent cb4ce3392d
commit 1e5372b620
20 changed files with 74 additions and 49 deletions

View File

@ -25,7 +25,6 @@ import (
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/kubectl"
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
@ -203,7 +202,7 @@ func (o *SetLastAppliedOptions) RunSetLastApplied() error {
}
info.Refresh(patchedObj, false)
}
if err := o.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out); err != nil {
return err
}
}

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@ -253,7 +253,7 @@ func (o *AutoscaleOptions) Run() error {
if err != nil {
return err
}
return printer.PrintObj(hpa.AsVersioned(legacyscheme.Scheme), o.Out)
return printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(hpa.Object, hpa.Mapping), o.Out)
}
if err := kubectl.CreateOrUpdateAnnotation(o.createAnnotation, hpa.Object, cmdutil.InternalVersionJSONEncoder()); err != nil {
@ -270,7 +270,7 @@ func (o *AutoscaleOptions) Run() error {
if err != nil {
return err
}
return printer.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
return printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, hpa.Mapping), o.Out)
})
if err != nil {
return err

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@ -228,7 +228,7 @@ func (options *CertificateOptions) modifyCertificateCondition(builder *resource.
}
found++
return options.PrintObj(info.AsVersioned(legacyscheme.Scheme), options.Out)
return options.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), options.Out)
})
if found == 0 {
fmt.Fprintf(options.Out, "No resources found\n")

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@ -426,7 +426,7 @@ func RunCreateSubcommand(f cmdutil.Factory, options *CreateSubcommandOptions) er
}
// ensure we pass a versioned object to the printer
obj = info.AsVersioned(legacyscheme.Scheme)
obj = cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
} else {
if meta, err := meta.Accessor(obj); err == nil && nsOverriden {
meta.SetNamespace(namespace)

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@ -739,7 +739,7 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
fmt.Printf("error: %v", err)
continue
}
printer.PrintObj(nodeInfo.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(nodeInfo.Object, nodeInfo.Mapping), o.Out)
} else {
if !o.DryRun {
helper := resource.NewHelper(o.restClient, nodeInfo.Mapping)
@ -765,7 +765,7 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
fmt.Fprintf(o.ErrOut, "%v", err)
continue
}
printer.PrintObj(nodeInfo.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(nodeInfo.Object, nodeInfo.Mapping), o.Out)
}
} else {
printer, err := o.ToPrinter("skipped")
@ -773,7 +773,7 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
fmt.Fprintf(o.ErrOut, "%v", err)
continue
}
printer.PrintObj(nodeInfo.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(nodeInfo.Object, nodeInfo.Mapping), o.Out)
}
}

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@ -339,7 +339,7 @@ func (o *ExposeServiceOptions) RunExpose(cmd *cobra.Command, args []string) erro
return err
}
return o.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
return o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
})
if err != nil {
return err

View File

@ -156,7 +156,7 @@ func (o PauseConfig) RunPause() error {
allErrs = append(allErrs, err)
continue
}
printer.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
continue
}
@ -172,7 +172,7 @@ func (o PauseConfig) RunPause() error {
allErrs = append(allErrs, err)
continue
}
printer.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
}
return utilerrors.NewAggregate(allErrs)

View File

@ -161,7 +161,7 @@ func (o ResumeConfig) RunResume() error {
allErrs = append(allErrs, err)
continue
}
printer.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch.Patch)
@ -176,7 +176,7 @@ func (o ResumeConfig) RunResume() error {
allErrs = append(allErrs, err)
continue
}
printer.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
}
return utilerrors.NewAggregate(allErrs)

View File

@ -168,7 +168,7 @@ func (o *UndoOptions) RunUndo() error {
allErrs = append(allErrs, err)
continue
}
printer.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
}
return utilerrors.NewAggregate(allErrs)
}

View File

@ -696,7 +696,7 @@ func (o *RunOptions) createGeneratedObject(f cmdutil.Factory, cmd *cobra.Command
return nil, err
}
versioned = info.AsVersioned(legacyscheme.Scheme)
versioned = cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
}
return &RunObject{
Versioned: versioned,

View File

@ -327,7 +327,7 @@ func (o *EnvOptions) RunEnv() error {
return err
}
patches := CalculatePatches(infos, cmdutil.InternalVersionJSONEncoder(), func(info *resource.Info) ([]byte, error) {
info.Object = info.AsVersioned(legacyscheme.Scheme)
info.Object = cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
_, err := o.updatePodSpecForObject(info.Object, func(spec *v1.PodSpec) error {
resolutionErrorsEncountered := false
containers, _ := selectContainers(spec.Containers, o.ContainerSelector)
@ -418,7 +418,7 @@ func (o *EnvOptions) RunEnv() error {
}
if o.Local || o.dryRun {
if err := o.PrintObj(patch.Info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(patch.Info.Object, patch.Info.Mapping), o.Out); err != nil {
return err
}
continue
@ -437,7 +437,7 @@ func (o *EnvOptions) RunEnv() error {
return fmt.Errorf("at least one environment variable must be provided")
}
if err := o.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out); err != nil {
return err
}
}

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@ -211,7 +211,7 @@ func (o *SetImageOptions) Run() error {
patches := CalculatePatches(o.Infos, cmdutil.InternalVersionJSONEncoder(), func(info *resource.Info) ([]byte, error) {
transformed := false
info.Object = info.AsVersioned(legacyscheme.Scheme)
info.Object = cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
_, err := o.UpdatePodSpecForObject(info.Object, func(spec *v1.PodSpec) error {
for name, image := range o.ContainerImages {
var (
@ -275,7 +275,7 @@ func (o *SetImageOptions) Run() error {
}
if o.Local || o.DryRun {
if err := o.PrintObj(patch.Info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(patch.Info.Object, patch.Info.Mapping), o.Out); err != nil {
return err
}
continue
@ -289,7 +289,7 @@ func (o *SetImageOptions) Run() error {
}
info.Refresh(obj, true)
if err := o.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out); err != nil {
return err
}
}

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@ -224,7 +224,7 @@ func (o *SetResourcesOptions) Run() error {
allErrs := []error{}
patches := CalculatePatches(o.Infos, cmdutil.InternalVersionJSONEncoder(), func(info *resource.Info) ([]byte, error) {
transformed := false
info.Object = info.AsVersioned(legacyscheme.Scheme)
info.Object = cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
_, err := o.UpdatePodSpecForObject(info.Object, func(spec *v1.PodSpec) error {
containers, _ := selectContainers(spec.Containers, o.ContainerSelector)
if len(containers) != 0 {
@ -277,7 +277,7 @@ func (o *SetResourcesOptions) Run() error {
}
if o.Local || o.DryRun {
if err := o.PrintObj(patch.Info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(patch.Info.Object, patch.Info.Mapping), o.Out); err != nil {
return err
}
continue
@ -290,7 +290,7 @@ func (o *SetResourcesOptions) Run() error {
}
info.Refresh(obj, true)
if err := o.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out); err != nil {
return err
}
}

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@ -204,7 +204,7 @@ func (o *SetSelectorOptions) RunSelector() error {
return r.Visit(func(info *resource.Info, err error) error {
patch := &Patch{Info: info}
CalculatePatch(patch, cmdutil.InternalVersionJSONEncoder(), func(info *resource.Info) ([]byte, error) {
versioned := info.AsVersioned(legacyscheme.Scheme)
versioned := cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
patch.Info.Object = versioned
selectErr := updateSelectorForObject(info.Object, *o.selector)
if selectErr != nil {
@ -232,7 +232,7 @@ func (o *SetSelectorOptions) RunSelector() error {
}
info.Refresh(patched, true)
return o.PrintObj(patch.Info.AsVersioned(legacyscheme.Scheme), o.Out)
return o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(patch.Info.Object, info.Mapping), o.Out)
})
}

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@ -174,7 +174,7 @@ func (o *SetServiceAccountOptions) Complete(f cmdutil.Factory, cmd *cobra.Comman
func (o *SetServiceAccountOptions) Run() error {
patchErrs := []error{}
patchFn := func(info *resource.Info) ([]byte, error) {
info.Object = info.AsVersioned(legacyscheme.Scheme)
info.Object = cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
_, err := o.updatePodSpecForObject(info.Object, func(podSpec *v1.PodSpec) error {
podSpec.ServiceAccountName = o.serviceAccountName
return nil
@ -198,7 +198,7 @@ func (o *SetServiceAccountOptions) Run() error {
continue
}
if o.local || o.dryRun {
if err := o.PrintObj(patch.Info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(patch.Info.Object, patch.Info.Mapping), o.Out); err != nil {
return err
}
continue
@ -210,7 +210,7 @@ func (o *SetServiceAccountOptions) Run() error {
}
info.Refresh(patched, true)
if err := o.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out); err != nil {
if err := o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out); err != nil {
return err
}
}

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@ -230,7 +230,7 @@ func (o *SubjectOptions) Run(fn updateSubjects) error {
transformed, err := updateSubjectForObject(info.Object, subjects, fn)
if transformed && err == nil {
// TODO: switch UpdatePodSpecForObject to work on v1.PodSpec
return runtime.Encode(cmdutil.InternalVersionJSONEncoder(), info.AsVersioned(legacyscheme.Scheme))
return runtime.Encode(cmdutil.InternalVersionJSONEncoder(), cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping))
}
return nil, err
})
@ -263,7 +263,7 @@ func (o *SubjectOptions) Run(fn updateSubjects) error {
}
info.Refresh(obj, true)
return o.PrintObj(info.AsVersioned(legacyscheme.Scheme), o.Out)
return o.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
}
return utilerrors.NewAggregate(allErrs)
}

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@ -4,6 +4,7 @@ go_library(
name = "go_default_library",
srcs = [
"cached_discovery.go",
"conversion.go",
"factory.go",
"factory_builder.go",
"factory_client_access.go",

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@ -0,0 +1,40 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package util
import (
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/kubernetes/pkg/api/legacyscheme"
)
// AsDefaultVersionedOrOriginal returns the object as a Go object in the external form if possible (matching the
// group version kind of the mapping if provided, a best guess based on serialization if not provided, or obj if it cannot be converted.
// TODO update call sites to specify the scheme they want on their builder.
func AsDefaultVersionedOrOriginal(obj runtime.Object, mapping *meta.RESTMapping) runtime.Object {
converter := runtime.ObjectConvertor(legacyscheme.Scheme)
groupVersioner := runtime.GroupVersioner(schema.GroupVersions(legacyscheme.Registry.RegisteredGroupVersions()))
if mapping != nil {
groupVersioner = mapping.GroupVersionKind.GroupVersion()
}
if obj, err := converter.ConvertToVersion(obj, groupVersioner); err == nil {
return obj
}
return obj
}

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@ -300,7 +300,8 @@ func TestPathBuilderAndVersionedObjectNotDefaulted(t *testing.T) {
if info.Name != "update-demo-kitten" || info.Namespace != "" || info.Object == nil {
t.Errorf("unexpected info: %#v", info)
}
obj := info.AsVersioned(legacyscheme.Scheme)
obj := info.Object
version, ok := obj.(*v1.ReplicationController)
// versioned object does not have defaulting applied
if obj == nil || !ok || version.Spec.Replicas != nil {

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@ -180,22 +180,6 @@ func (i *Info) ResourceMapping() *meta.RESTMapping {
return i.Mapping
}
// Versioned returns the object as a Go type in the mapping's version or returns an error.
func (i *Info) versioned(convertor runtime.ObjectConvertor) (runtime.Object, error) {
return convertor.ConvertToVersion(i.Object, i.Mapping.GroupVersionKind.GroupVersion())
}
// AsVersioned returns the object as a Go object in the external form if possible (matching the
// group version kind of the mapping, or i.Object if it cannot be converted.
// Deprecated this function will be removed once calling code is updated to indicate the correct
// negoticatedserializers during construction of the builder
func (i *Info) AsVersioned(convertor runtime.ObjectConvertor) runtime.Object {
if obj, err := i.versioned(convertor); err == nil {
return obj
}
return i.Object
}
// VisitorList implements Visit for the sub visitors it contains. The first error
// returned from a child Visitor will terminate iteration.
type VisitorList []Visitor