76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
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/*
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Copyright 2018 the Heptio Ark contributors.
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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 client
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"github.com/pkg/errors"
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)
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const (
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ConfigKeyNamespace = "namespace"
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)
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// LoadConfig loads the Ark client configuration file and returns it as a map[string]string. If the
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// file does not exist, an empty map is returned.
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func LoadConfig() (map[string]string, error) {
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fileName := configFileName()
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_, err := os.Stat(fileName)
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if os.IsNotExist(err) {
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// If the file isn't there, just return an empty map
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return map[string]string{}, nil
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}
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if err != nil {
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// For any other Stat() error, return it
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return nil, errors.WithStack(err)
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}
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configFile, err := os.Open(fileName)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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defer configFile.Close()
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var config map[string]string
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if err := json.NewDecoder(configFile).Decode(&config); err != nil {
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return nil, errors.WithStack(err)
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}
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return config, nil
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}
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// SaveConfig saves the passed in config map to the Ark client configuration file.
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func SaveConfig(config map[string]string) error {
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fileName := configFileName()
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configFile, err := os.OpenFile(fileName, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0755)
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if err != nil {
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return errors.WithStack(err)
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}
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defer configFile.Close()
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return json.NewEncoder(configFile).Encode(&config)
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}
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func configFileName() string {
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return filepath.Join(os.Getenv("HOME"), ".config", "ark", "config.json")
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}
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