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61 lines
1.6 KiB
61 lines
1.6 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 chartutil
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import (
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"io/ioutil"
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"github.com/ghodss/yaml"
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"k8s.io/helm/pkg/proto/hapi/chart"
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)
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// ApiVersionV1 is the API version number for version 1.
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//
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// This is ApiVersionV1 instead of APIVersionV1 to match the protobuf-generated name.
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const ApiVersionV1 = "v1"
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// UnmarshalChartfile takes raw Chart.yaml data and unmarshals it.
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func UnmarshalChartfile(data []byte) (*chart.Metadata, error) {
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y := &chart.Metadata{}
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err := yaml.Unmarshal(data, y)
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if err != nil {
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return nil, err
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}
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return y, nil
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}
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// LoadChartfile loads a Chart.yaml file into a *chart.Metadata.
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func LoadChartfile(filename string) (*chart.Metadata, error) {
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b, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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return UnmarshalChartfile(b)
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}
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// SaveChartfile saves the given metadata as a Chart.yaml file at the given path.
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//
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// 'filename' should be the complete path and filename ('foo/Chart.yaml')
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func SaveChartfile(filename string, cf *chart.Metadata) error {
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out, err := yaml.Marshal(cf)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(filename, out, 0644)
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}
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