mirror of https://gerrit.hackerspace.pl/hscloud
72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
// Copyright 2017 The kubecfg authors
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//
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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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package kubecfg
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import (
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"encoding/json"
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"fmt"
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"io"
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yaml "gopkg.in/yaml.v2"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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)
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// ShowCmd represents the show subcommand
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type ShowCmd struct {
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Format string
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}
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func (c ShowCmd) Run(apiObjects []*unstructured.Unstructured, out io.Writer) error {
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switch c.Format {
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case "yaml":
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for _, obj := range apiObjects {
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fmt.Fprintln(out, "---")
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// Urgh. Go via json because we need
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// to trigger the custom scheme
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// encoding.
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buf, 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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o := map[string]interface{}{}
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if err := json.Unmarshal(buf, &o); err != nil {
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return err
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}
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buf, err = yaml.Marshal(o)
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if err != nil {
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return err
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}
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out.Write(buf)
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}
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case "json":
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enc := json.NewEncoder(out)
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enc.SetIndent("", " ")
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for _, obj := range apiObjects {
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// TODO: this is not valid framing for JSON
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if len(apiObjects) > 1 {
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fmt.Fprintln(out, "---")
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}
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if err := enc.Encode(obj); err != nil {
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return err
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}
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}
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default:
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return fmt.Errorf("Unknown --format: %s", c.Format)
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}
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return nil
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}
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