Files
vssm/config.go

78 lines
1.9 KiB
Go

package main
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
)
type AppConfig struct {
Storage struct {
InstallDir string `json:"install_dir"`
InstancesDir string `json:"instances_dir"`
BackupDir string `json:"backup_dir"`
ConfigTemplatesDir string `json:"config_templates_dir"`
} `json:"storage"`
Daemon struct {
UseNixOs bool `json:"use_nixos"`
}
}
func DefaultConfig() *AppConfig {
home, _ := os.UserHomeDir()
basePath := filepath.Join(home, ".local", "share", "vs-manager")
cfg := &AppConfig{}
cfg.Storage.InstallDir = filepath.Join(basePath, "installs")
cfg.Storage.InstancesDir = filepath.Join(basePath, "instances")
cfg.Storage.BackupDir = filepath.Join(basePath, "backups")
cfg.Storage.ConfigTemplatesDir = filepath.Join(basePath, "config_templates")
return cfg
}
func LoadOrCreateConfig(configPath string) (*AppConfig, error) {
if _, err := os.Stat(configPath); os.IsNotExist(err) {
cfg := DefaultConfig()
if err := os.MkdirAll(filepath.Dir(configPath), 0755); err != nil {
return nil, fmt.Errorf("Failed to create config directory: %w", err)
}
data, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
return nil, err
}
if err := os.WriteFile(configPath, data, 0644); err != nil {
return nil, fmt.Errorf("Failed to write config file at %s\n", configPath)
}
}
data, err := os.ReadFile(configPath)
if err != nil {
return nil, err
}
var cfg AppConfig
if err := json.Unmarshal(data, &cfg); err != nil {
return nil, fmt.Errorf("Invalid JSON layout in config file: %w", err)
}
dirs := []string{
cfg.Storage.InstallDir,
cfg.Storage.InstancesDir,
cfg.Storage.BackupDir,
cfg.Storage.ConfigTemplatesDir,
}
for _, dir := range dirs {
if err := os.MkdirAll(dir, 0755); err != nil {
return nil, fmt.Errorf("Failed creating workspace directory %s: %w", dir, err)
}
}
return &cfg, nil
}