/
config.go
61 lines (56 loc) · 1.65 KB
/
config.go
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// Copyright 2020 Nelson Elhage
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cli
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path"
)
type Config struct {
DebugAWS bool `json:"-"`
Store string `json:"object_store"`
Region string `json:"aws_region"`
ECRRepository string `json:"ecr_repository"`
IAMRole string `json:"iam_role"`
S3Concurrency int `json:"s3_concurrency"`
Honeycomb struct {
APIKey string `json:"api_key,omitempty"`
Dataset string `json:"dataset,omitempty"`
} `json:"honeycomb,omitempty"`
}
func WriteConfig(cfg *Config, configPath string) error {
encoded, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
return err
}
encoded = append(encoded, '\n')
os.MkdirAll(path.Dir(configPath), 0700)
return ioutil.WriteFile(configPath, encoded, 0644)
}
func ReadConfig(configPath string) (*Config, error) {
data, err := ioutil.ReadFile(configPath)
if err != nil {
if os.IsNotExist(err) {
return &Config{}, nil
}
return nil, err
}
var cfg Config
if err := json.Unmarshal(data, &cfg); err != nil {
return nil, fmt.Errorf("%s: %w", configPath, err)
}
return &cfg, nil
}