mirror of
https://github.com/ceph/ceph-csi.git
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60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
/*
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* config.go - Parsing for our global config file. The file is simply the JSON
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* output of the Config protocol buffer.
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*
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* Copyright 2017 Google Inc.
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* Author: Joe Richey (joerichey@google.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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// Package metadata contains all of the on disk structures.
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// These structures are defined in metadata.proto. The package also
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// contains functions for manipulating these structures, specifically:
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// * Reading and Writing the Config file to disk
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// * Getting and Setting Policies for directories
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// * Reasonable defaults for a Policy's EncryptionOptions
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package metadata
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import (
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"io"
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"github.com/golang/protobuf/jsonpb"
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)
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// WriteConfig outputs the Config data as nicely formatted JSON
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func WriteConfig(config *Config, out io.Writer) error {
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m := jsonpb.Marshaler{
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EmitDefaults: true,
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EnumsAsInts: false,
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Indent: "\t",
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OrigName: true,
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}
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if err := m.Marshal(out, config); err != nil {
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return err
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}
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_, err := out.Write([]byte{'\n'})
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return err
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}
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// ReadConfig writes the JSON data into the config structure
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func ReadConfig(in io.Reader) (*Config, error) {
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config := new(Config)
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// Allow (and ignore) unknown fields for forwards compatibility.
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u := jsonpb.Unmarshaler{
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AllowUnknownFields: true,
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}
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return config, u.Unmarshal(in, config)
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}
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