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Merge pull request #53587 from spzala/master

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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Provide aggregated validation errors for version and kind

Currently the validation checks is done individually for version and
kind group. For example, if user provided yaml file is missing apiVersion
and kind fields, first they will receive error on apiVersion. Once user
update the file and try to recreate, an error on missing kind is displayed.
The behavior is same for wrong types of the fields.
These errors should be aggregated and displayed.

Examples of current validation:
1
test.yaml is missing apiVersion and kind:
$kubectl.sh create -f /home/sahdev/go/src/bugfixes/test.yaml
error: error validating "/home/sahdev/go/src/bugfixes/test.yaml": error validating data: apiVersion not set; if you choose to ignore these errors, turn validation off with --validate=false
2.
test.yaml is fixed for apiVersion but missing kind:
$kubectl.sh create -f /home/sahdev/go/src/bugfixes/test.yaml
error: error validating "/home/sahdev/go/src/bugfixes/test.yaml": error validating data: kind not set; if you choose to ignore these errors, turn validation off with --validate=false

Examples with aggregated validation: 
1.
error: error validating "/home/sahdev/go/src/bugfixes/test.yaml": error validating data: [apiVersion not set, kind not set]; if you choose to ignore these errors, turn validation off with --validate=false
2.
error: error validating "/home/sahdev/go/src/bugfixes/testmix.yaml": error validating data: [apiVersion isn't string type, kind not set]; if you choose to ignore these errors, turn validation off with --validate=false



**What this PR does / why we need it**:
To provide aggregated validations to user for version and kind group.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #54098

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2017-10-17 16:35:39 -07:00 committed by GitHub
commit d97c759110
1 changed files with 32 additions and 22 deletions
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54
pkg/kubectl/cmd/util/openapi/validation/validation.go
View File

@ -43,9 +43,9 @@ func (v *SchemaValidation) ValidateBytes(data []byte) error {
return err
}
gvk, err := getObjectKind(obj)
if err != nil {
return err
gvk, errs := getObjectKind(obj)
if errs != nil {
return utilerrors.NewAggregate(errs)
}
if strings.HasSuffix(gvk.Kind, "List") {
@ -61,15 +61,15 @@ func (v *SchemaValidation) validateList(object interface{}) []error {
return []error{errors.New("invalid object to validate")}
}
errs := []error{}
allErrors := []error{}
for _, item := range fields["items"].([]interface{}) {
if gvk, err := getObjectKind(item); err != nil {
errs = append(errs, err)
if gvk, errs := getObjectKind(item); errs != nil {
allErrors = append(allErrors, errs...)
} else {
errs = append(errs, v.validateResource(item, gvk)...)
allErrors = append(allErrors, v.validateResource(item, gvk)...)
}
}
return errs
return allErrors
}
func (v *SchemaValidation) validateResource(obj interface{}, gvk schema.GroupVersionKind) []error {
@ -99,29 +99,39 @@ func parse(data []byte) (interface{}, error) {
return obj, nil
}
func getObjectKind(object interface{}) (schema.GroupVersionKind, error) {
func getObjectKind(object interface{}) (schema.GroupVersionKind, []error) {
var listErrors []error
fields := object.(map[string]interface{})
if fields == nil {
return schema.GroupVersionKind{}, errors.New("invalid object to validate")
listErrors = append(listErrors, errors.New("invalid object to validate"))
return schema.GroupVersionKind{}, listErrors
}
var group string
var version string
apiVersion := fields["apiVersion"]
if apiVersion == nil {
return schema.GroupVersionKind{}, errors.New("apiVersion not set")
}
if _, ok := apiVersion.(string); !ok {
return schema.GroupVersionKind{}, errors.New("apiVersion isn't string type")
}
gv, err := schema.ParseGroupVersion(apiVersion.(string))
if err != nil {
return schema.GroupVersionKind{}, err
listErrors = append(listErrors, errors.New("apiVersion not set"))
} else if _, ok := apiVersion.(string); !ok {
listErrors = append(listErrors, errors.New("apiVersion isn't string type"))
} else {
gv, err := schema.ParseGroupVersion(apiVersion.(string))
if err != nil {
listErrors = append(listErrors, err)
} else {
group = gv.Group
version = gv.Version
}
}
kind := fields["kind"]
if kind == nil {
return schema.GroupVersionKind{}, errors.New("kind not set")
listErrors = append(listErrors, errors.New("kind not set"))
} else if _, ok := kind.(string); !ok {
listErrors = append(listErrors, errors.New("kind isn't string type"))
}
if _, ok := kind.(string); !ok {
return schema.GroupVersionKind{}, errors.New("kind isn't string type")
if listErrors != nil {
return schema.GroupVersionKind{}, listErrors
}
return schema.GroupVersionKind{Group: gv.Group, Version: gv.Version, Kind: kind.(string)}, nil
return schema.GroupVersionKind{Group: group, Version: version, Kind: kind.(string)}, nil
}