mirror of https://github.com/k3s-io/k3s
80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package converter
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import (
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"fmt"
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"strings"
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"k8s.io/klog"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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)
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func convertExampleCRD(Object *unstructured.Unstructured, toVersion string) (*unstructured.Unstructured, metav1.Status) {
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klog.V(2).Info("converting crd")
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convertedObject := Object.DeepCopy()
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fromVersion := Object.GetAPIVersion()
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if toVersion == fromVersion {
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return nil, statusErrorWithMessage("conversion from a version to itself should not call the webhook: %s", toVersion)
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}
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switch Object.GetAPIVersion() {
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case "stable.example.com/v1":
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switch toVersion {
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case "stable.example.com/v2":
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hostPort, ok := convertedObject.Object["hostPort"]
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if ok {
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delete(convertedObject.Object, "hostPort")
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parts := strings.Split(hostPort.(string), ":")
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if len(parts) != 2 {
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return nil, statusErrorWithMessage("invalid hostPort value `%v`", hostPort)
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}
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convertedObject.Object["host"] = parts[0]
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convertedObject.Object["port"] = parts[1]
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}
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default:
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return nil, statusErrorWithMessage("unexpected conversion version %q", toVersion)
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}
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case "stable.example.com/v2":
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switch toVersion {
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case "stable.example.com/v1":
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host, hasHost := convertedObject.Object["host"]
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port, hasPort := convertedObject.Object["port"]
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if hasHost || hasPort {
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if !hasHost {
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host = ""
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}
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if !hasPort {
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port = ""
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}
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convertedObject.Object["hostPort"] = fmt.Sprintf("%s:%s", host, port)
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delete(convertedObject.Object, "host")
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delete(convertedObject.Object, "port")
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}
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default:
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return nil, statusErrorWithMessage("unexpected conversion version %q", toVersion)
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}
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default:
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return nil, statusErrorWithMessage("unexpected conversion version %q", fromVersion)
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}
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return convertedObject, statusSucceed()
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}
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