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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package lvmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/topolvm/topolvm/lvmd" | ||
| lvmdCMD "github.com/topolvm/topolvm/pkg/lvmd/cmd" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
|
|
||
| type Config = lvmdCMD.Config | ||
|
|
||
| type DeviceClass = lvmd.DeviceClass | ||
| type ThinPoolConfig = lvmd.ThinPoolConfig | ||
|
|
||
| var TypeThin = lvmd.TypeThin | ||
|
|
||
| const DefaultFileConfigPath = "/etc/topolvm/lvmd.yaml" | ||
|
|
||
| func DefaultConfigurator() FileConfig { | ||
| return NewFileConfigurator(DefaultFileConfigPath) | ||
| } | ||
|
|
||
| func NewFileConfigurator(path string) FileConfig { | ||
| return FileConfig{path: path} | ||
| } | ||
|
|
||
| type Configurator interface { | ||
| Load() (*Config, error) | ||
| Save(config *Config) error | ||
| Delete() error | ||
| } | ||
|
|
||
| type FileConfig struct { | ||
| path string | ||
| } | ||
|
|
||
| func (c FileConfig) Load() (*Config, error) { | ||
| cfgBytes, err := os.ReadFile(c.path) | ||
| if os.IsNotExist(err) { | ||
| // If the file does not exist, return nil for both | ||
| return nil, nil | ||
| } else if err != nil { | ||
| return nil, fmt.Errorf("failed to load config file %s: %w", c.path, err) | ||
| } else { | ||
| config := &Config{} | ||
| if err = yaml.Unmarshal(cfgBytes, config); err != nil { | ||
| return nil, fmt.Errorf("failed to unmarshal config file %s: %w", c.path, err) | ||
| } | ||
| return config, nil | ||
| } | ||
| } | ||
|
|
||
| func (c FileConfig) Save(config *Config) error { | ||
| out, err := yaml.Marshal(config) | ||
| if err == nil { | ||
| err = os.WriteFile(c.path, out, 0600) | ||
| } | ||
| if err != nil { | ||
| return fmt.Errorf("failed to save config file %s: %w", c.path, err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (c FileConfig) Delete() error { | ||
| err := os.Remove(c.path) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to delete config file %s: %w", c.path, err) | ||
| } | ||
| return err | ||
| } |
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