87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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)
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type AppConfig struct {
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Storage struct {
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AppDataDir string `json:"app_data_dir"`
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InstallDir string `json:"install_dir"`
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InstancesDir string `json:"instances_dir"`
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BackupDir string `json:"backup_dir"`
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ConfigTemplatesDir string `json:"config_templates_dir"`
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} `json:"storage"`
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Daemon struct {
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ListenAddress string `json:"listen_address"`
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} `json:"daemon"`
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Instances map[string]InstanceMetadata `json:"instances"`
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}
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func CreateConfigWithDefaults(configPath string) *AppConfig {
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home, _ := os.UserHomeDir()
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basePath := filepath.Join(home, ".local", "share", "vssm")
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cfg := &AppConfig{}
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cfg.Storage.AppDataDir = basePath
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cfg.Storage.InstallDir = filepath.Join(basePath, "installs")
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cfg.Storage.InstancesDir = filepath.Join(basePath, "instances")
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cfg.Storage.BackupDir = filepath.Join(basePath, "backups")
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cfg.Storage.ConfigTemplatesDir = filepath.Join(basePath, "config_templates")
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cfg.Daemon.ListenAddress = "127.0.0.1:12345"
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cfg.Instances = make(map[string]InstanceMetadata)
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return cfg
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}
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func LoadOrCreateConfig(configPath string) (*AppConfig, error) {
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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cfg := CreateConfigWithDefaults(configPath)
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if err := os.MkdirAll(filepath.Dir(configPath), 0755); err != nil {
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return nil, fmt.Errorf("Failed to create config directory: %w", err)
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}
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data, err := json.MarshalIndent(cfg, "", " ")
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if err != nil {
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return nil, err
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}
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if err := os.WriteFile(configPath, data, 0644); err != nil {
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return nil, fmt.Errorf("Failed to write config file at %s\n", configPath)
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}
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}
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data, err := os.ReadFile(configPath)
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if err != nil {
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return nil, err
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}
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var cfg AppConfig
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if err := json.Unmarshal(data, &cfg); err != nil {
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return nil, fmt.Errorf("Invalid JSON layout in config file: %w", err)
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}
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dirs := []string{
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cfg.Storage.AppDataDir,
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cfg.Storage.InstallDir,
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cfg.Storage.InstancesDir,
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cfg.Storage.BackupDir,
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cfg.Storage.ConfigTemplatesDir,
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}
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for _, dir := range dirs {
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if err := os.MkdirAll(dir, 0755); err != nil {
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return nil, fmt.Errorf("Failed creating workspace directory %s: %w", dir, err)
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}
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}
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return &cfg, nil
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}
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