mirror of
https://github.com/kubevirt/containerized-data-importer.git
synced 2025-06-03 06:30:22 +00:00
91 lines
2.5 KiB
Go
91 lines
2.5 KiB
Go
/*
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* This file is part of the KubeVirt project
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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* Copyright 2018 Red Hat, Inc.
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*
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*/
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// this file directly copy/pasted from KubeVirt project here:
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// https://github.com/kubevirt/kubevirt/blob/master/tools/util/marshaller.go
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package util
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import (
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"encoding/json"
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"io"
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"strings"
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"github.com/ghodss/yaml"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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)
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// MarshallObject marshalls an object to yaml appropriate for kubectl
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func MarshallObject(obj interface{}, writer io.Writer) error {
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jsonBytes, err := json.Marshal(obj)
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if err != nil {
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return err
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}
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var r unstructured.Unstructured
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if err := json.Unmarshal(jsonBytes, &r.Object); err != nil {
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return err
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}
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// remove status and metadata.creationTimestamp
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unstructured.RemoveNestedField(r.Object, "metadata", "creationTimestamp")
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unstructured.RemoveNestedField(r.Object, "spec", "template", "metadata", "creationTimestamp")
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unstructured.RemoveNestedField(r.Object, "status")
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// remove timestamp and status from deployments in CSV objects
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deployments, exists, err := unstructured.NestedSlice(r.Object, "spec", "install", "spec", "deployments")
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if exists {
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for _, obj := range deployments {
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deployment := obj.(map[string]interface{})
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unstructured.RemoveNestedField(deployment, "metadata", "creationTimestamp")
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unstructured.RemoveNestedField(deployment, "spec", "template", "metadata", "creationTimestamp")
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unstructured.RemoveNestedField(deployment, "status")
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}
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unstructured.SetNestedSlice(r.Object, deployments, "spec", "install", "spec", "deployments")
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}
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jsonBytes, err = json.Marshal(r.Object)
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if err != nil {
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return err
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}
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yamlBytes, err := yaml.JSONToYAML(jsonBytes)
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if err != nil {
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return err
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}
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// fix templates by removing quotes...
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s := string(yamlBytes)
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s = strings.Replace(s, "'{{", "{{", -1)
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s = strings.Replace(s, "}}'", "}}", -1)
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yamlBytes = []byte(s)
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_, err = writer.Write([]byte("---\n"))
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if err != nil {
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return err
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}
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_, err = writer.Write(yamlBytes)
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if err != nil {
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return err
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}
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return nil
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}
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