61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
/*
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Copyright 2015 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 io
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import (
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"fmt"
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"io/ioutil"
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"os"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/v1"
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)
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// LoadPodFromFile will read, decode, and return a Pod from a file.
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func LoadPodFromFile(filePath string) (*v1.Pod, error) {
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if filePath == "" {
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return nil, fmt.Errorf("file path not specified")
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}
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podDef, err := ioutil.ReadFile(filePath)
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if err != nil {
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return nil, fmt.Errorf("failed to read file path %s: %+v", filePath, err)
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}
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if len(podDef) == 0 {
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return nil, fmt.Errorf("file was empty: %s", filePath)
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}
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pod := &v1.Pod{}
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codec := api.Codecs.LegacyCodec(api.Registry.GroupOrDie(v1.GroupName).GroupVersion)
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if err := runtime.DecodeInto(codec, podDef, pod); err != nil {
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return nil, fmt.Errorf("failed decoding file: %v", err)
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}
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return pod, nil
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}
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// SavePodToFile will encode and save a pod to a given path & permissions
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func SavePodToFile(pod *v1.Pod, filePath string, perm os.FileMode) error {
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if filePath == "" {
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return fmt.Errorf("file path not specified")
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}
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codec := api.Codecs.LegacyCodec(api.Registry.GroupOrDie(v1.GroupName).GroupVersion)
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data, err := runtime.Encode(codec, pod)
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if err != nil {
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return fmt.Errorf("failed encoding pod: %v", err)
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}
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return ioutil.WriteFile(filePath, data, perm)
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}
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