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/
paths.go
59 lines (53 loc) · 1.67 KB
/
paths.go
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// Copyright 2015 The rkt Authors
//
// 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 config
import (
"encoding/json"
"fmt"
"path/filepath"
)
type configurablePathsV1 struct {
Data string `json:"data"`
Stage1Images string `json:"stage1-images"`
}
func init() {
addParser("paths", "v1", &configurablePathsV1{})
// Look in 'paths.d' subdir for configs of type paths
registerSubDir("paths.d", []string{"paths"})
}
func (p *configurablePathsV1) parse(config *Config, raw []byte) error {
var dirs configurablePathsV1
if err := json.Unmarshal(raw, &dirs); err != nil {
return err
}
if dirs.Data != "" {
if config.Paths.DataDir != "" {
return fmt.Errorf("data directory is already specified")
}
if !filepath.IsAbs(dirs.Data) {
return fmt.Errorf("data directory must be an absolute path")
}
config.Paths.DataDir = dirs.Data
}
if dirs.Stage1Images != "" {
if config.Paths.Stage1ImagesDir != "" {
return fmt.Errorf("stage1 images directory is already specified")
}
if !filepath.IsAbs(dirs.Stage1Images) {
return fmt.Errorf("stage1 images directory must be an absolute path")
}
config.Paths.Stage1ImagesDir = dirs.Stage1Images
}
return nil
}