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Merge pull request #20703 from mwielgus/hpa-cm-validation

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k8s-merge-robot
2016-02-06 21:16:51 -08:00
parent 9e1d764524 9a74a60413
commit e76caf43aa
4 changed files with 134 additions and 4 deletions
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27
pkg/apis/extensions/validation/validation.go
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@@ -17,6 +17,7 @@ limitations under the License.
package validation
import (
"encoding/json"
"net"
"regexp"
"strconv"
@@ -27,6 +28,7 @@ import (
unversionedvalidation "k8s.io/kubernetes/pkg/api/unversioned/validation"
apivalidation "k8s.io/kubernetes/pkg/api/validation"
"k8s.io/kubernetes/pkg/apis/extensions"
"k8s.io/kubernetes/pkg/controller/podautoscaler"
"k8s.io/kubernetes/pkg/labels"
"k8s.io/kubernetes/pkg/util/intstr"
"k8s.io/kubernetes/pkg/util/sets"
@@ -85,9 +87,34 @@ func ValidateSubresourceReference(ref extensions.SubresourceReference, fldPath *
return allErrs
}
func validateHorizontalPodAutoscalerAnnotations(annotations map[string]string, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if annotationValue, found := annotations[podautoscaler.HpaCustomMetricsTargetAnnotationName]; found {
// Try to parse the annotation
var targetList extensions.CustomMetricTargetList
if err := json.Unmarshal([]byte(annotationValue), &targetList); err != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("annotations"), annotations, "failed to parse custom metrics target annotation"))
} else {
if len(targetList.Items) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("annotations", "items"), "custom metrics target must not be empty"))
}
for _, target := range targetList.Items {
if target.Name == "" {
allErrs = append(allErrs, field.Required(fldPath.Child("annotations", "items", "name"), "missing custom metric target name"))
}
if target.TargetValue.MilliValue() <= 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("annotations", "items", "value"), target.TargetValue, "custom metric target value must be greater than 0"))
}
}
}
}
return allErrs
}
func ValidateHorizontalPodAutoscaler(autoscaler *extensions.HorizontalPodAutoscaler) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&autoscaler.ObjectMeta, true, ValidateHorizontalPodAutoscalerName, field.NewPath("metadata"))
allErrs = append(allErrs, validateHorizontalPodAutoscalerSpec(autoscaler.Spec, field.NewPath("spec"))...)
allErrs = append(allErrs, validateHorizontalPodAutoscalerAnnotations(autoscaler.Annotations, field.NewPath("metadata"))...)
return allErrs
}