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local.go
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local.go
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package storages
import (
"fmt"
"io/fs"
"os"
"path/filepath"
"gopkg.in/yaml.v3"
v1 "kusionstack.io/kusion/pkg/apis/core/v1"
)
// LocalStorage is an implementation of state.Storage which uses local filesystem as storage.
type LocalStorage struct {
// The path of state file.
path string
}
func NewLocalStorage(path string) *LocalStorage {
return &LocalStorage{path: path}
}
func (s *LocalStorage) Get() (*v1.State, error) {
content, err := os.ReadFile(s.path)
if err != nil && !os.IsNotExist(err) {
return nil, err
}
if len(content) != 0 {
state := &v1.State{}
err = yaml.Unmarshal(content, state)
if err != nil {
return nil, err
}
return state, nil
} else {
return nil, nil
}
}
func (s *LocalStorage) Apply(state *v1.State) error {
if err := os.MkdirAll(filepath.Dir(s.path), os.ModePerm); err != nil {
fmt.Println(err)
}
content, err := yaml.Marshal(state)
if err != nil {
return err
}
return os.WriteFile(s.path, content, fs.ModePerm)
}