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convert.go
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convert.go
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/*
* Copyright 2019 gosoon.
*
* 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 protobuf
import (
"encoding/json"
ecsv1 "github.com/gosoon/kubernetes-operator/pkg/apis/ecs/v1"
installerv1 "github.com/gosoon/kubernetes-operator/pkg/apis/installer/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// ClusterConvertToTypes is convert protobuf to kubernetesCluster golang types
// typeMeta and objectMeta is a nested struct in KubernetesCluster struct,
// and proto not support struct custom json tag and embed struct,
// so typeMeta and objectMeta is assigned separately and spec is assigned by json unmarshal
func ClusterConvertToTypes(clusterRequest *installerv1.KubernetesClusterRequest) (*ecsv1.KubernetesCluster, error) {
typeMeta := metav1.TypeMeta{
Kind: clusterRequest.Kind,
APIVersion: clusterRequest.APIVersion,
}
objectMeta := metav1.ObjectMeta{
Name: clusterRequest.Name,
Namespace: clusterRequest.Namespace,
Labels: clusterRequest.Labels,
Annotations: clusterRequest.Annotations,
Finalizers: clusterRequest.Finalizers,
}
cluster := &ecsv1.KubernetesCluster{
TypeMeta: typeMeta,
ObjectMeta: objectMeta,
}
bytes, err := json.Marshal(clusterRequest)
if err != nil {
//glog.Error("marshal kubernetes cluster request failed with:", err)
return cluster, err
}
err = json.Unmarshal(bytes, cluster)
if err != nil {
//glog.Error("unmarshal kubernetes cluster request bytes failed with:", err)
return cluster, err
}
return cluster, nil
}
// ClusterConvertToProtobuf is convert kubernetesCluster to protobuf
func ClusterConvertToProtobuf(cluster *ecsv1.KubernetesCluster) (*installerv1.KubernetesClusterRequest, error) {
typeMeta := installerv1.TypeMeta{
Kind: cluster.Kind,
APIVersion: cluster.APIVersion,
}
objectMeta := installerv1.ObjectMeta{
Name: cluster.Name,
Namespace: cluster.Namespace,
Labels: cluster.Labels,
Annotations: cluster.Annotations,
Finalizers: cluster.Finalizers,
}
clusterRequest := &installerv1.KubernetesClusterRequest{
TypeMeta: typeMeta,
ObjectMeta: objectMeta,
}
bytes, err := json.Marshal(cluster)
if err != nil {
//glog.Error("marshal kubernetes cluster types failed with:", err)
return clusterRequest, err
}
err = json.Unmarshal(bytes, clusterRequest)
if err != nil {
//glog.Error("unmarshal kubernetes cluster bytes failed with:", err)
return clusterRequest, err
}
return clusterRequest, nil
}