mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 13:50:01 +00:00
ae735282ad
We don't want to run dryRun requests against servers that don't support dry-run, since they might ignore the flag and just persist the unwanted changes. This creates a new method that checks in the OpenAPI if the dryRun parameter can be used.
66 lines
2.0 KiB
Go
66 lines
2.0 KiB
Go
/*
|
|
Copyright 2017 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 openapi
|
|
|
|
import (
|
|
"errors"
|
|
|
|
openapi_v2 "github.com/googleapis/gnostic/OpenAPIv2"
|
|
yaml "gopkg.in/yaml.v2"
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
)
|
|
|
|
func hasGVKExtension(extensions []*openapi_v2.NamedAny, gvk schema.GroupVersionKind) bool {
|
|
for _, extension := range extensions {
|
|
if extension.GetValue().GetYaml() == "" ||
|
|
extension.GetName() != "x-kubernetes-group-version-kind" {
|
|
continue
|
|
}
|
|
var value map[string]string
|
|
err := yaml.Unmarshal([]byte(extension.GetValue().GetYaml()), &value)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
if value["group"] == gvk.Group && value["kind"] == gvk.Kind && value["version"] == gvk.Version {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
return false
|
|
}
|
|
|
|
// SupportsDryRun is a method that let's us look in the OpenAPI if the
|
|
// specific group-version-kind supports the dryRun query parameter for
|
|
// the PATCH end-point.
|
|
func SupportsDryRun(doc *openapi_v2.Document, gvk schema.GroupVersionKind) (bool, error) {
|
|
for _, path := range doc.GetPaths().GetPath() {
|
|
// Is this describing the gvk we're looking for?
|
|
if !hasGVKExtension(path.GetValue().GetPatch().GetVendorExtension(), gvk) {
|
|
continue
|
|
}
|
|
for _, param := range path.GetValue().GetPatch().GetParameters() {
|
|
if param.GetParameter().GetNonBodyParameter().GetQueryParameterSubSchema().GetName() == "dryRun" {
|
|
return true, nil
|
|
}
|
|
}
|
|
return false, nil
|
|
}
|
|
|
|
return false, errors.New("couldn't find GVK in openapi")
|
|
}
|