swanadiva
30b57f6084
- Add export command with JSON file output and size summary - Add import command with replace/merge strategies and dry-run preview - Add integration test for export/import round-trip via storage layer - Update project state documentation
129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"os"
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"github.com/spf13/cobra"
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"git.tukangketik.id/swanadiva/hostkeeper/pkg/config"
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"git.tukangketik.id/swanadiva/hostkeeper/pkg/storage"
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)
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var (
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importMergeStrategy string
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importDryRun bool
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)
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// importCmd represents the import command
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var importCmd = &cobra.Command{
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Use: "import <filename>",
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Short: "Import hosts and credentials from file",
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Long: `Import hosts, SSH keys, snippets from a previously exported file.
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Merge strategies:
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replace Replace all existing data with imported data
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merge Keep existing data, add only new items
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Examples:
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# Import with merge (default)
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hostkeeper import my-backup.json
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# Import replacing all existing data
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hostkeeper import my-backup.json --strategy replace
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# Preview without importing
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hostkeeper import my-backup.json --dry-run`,
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Args: cobra.ExactArgs(1),
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RunE: runImport,
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}
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func init() {
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importCmd.Flags().StringVar(&importMergeStrategy, "strategy", "merge", "Merge strategy: replace or merge")
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importCmd.Flags().BoolVar(&importDryRun, "dry-run", false, "Show what would be imported without actually importing")
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rootCmd.AddCommand(importCmd)
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}
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func runImport(cmd *cobra.Command, args []string) error {
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filename := args[0]
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if _, err := os.Stat(filename); os.IsNotExist(err) {
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return fmt.Errorf("file not found: %s", filename)
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}
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jsonBytes, err := os.ReadFile(filename)
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if err != nil {
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return fmt.Errorf("failed to read import file: %w", err)
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}
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var data storage.ExportData
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if err := json.Unmarshal(jsonBytes, &data); err != nil {
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return fmt.Errorf("failed to parse import file: %w", err)
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}
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cfg := appCfg
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if cfg == nil {
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var err error
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cfg, err = config.New()
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if err != nil {
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return fmt.Errorf("failed to initialize config: %w", err)
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}
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}
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store, err := storage.NewJSONStorage(cfg.GetDataDir())
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if err != nil {
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return fmt.Errorf("failed to initialize storage: %w", err)
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}
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ctx := context.Background()
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if importDryRun {
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return previewImport(&data, filename)
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}
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// Map strategy string to MergeStrategy type
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var strategy storage.MergeStrategy
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switch importMergeStrategy {
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case "replace":
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strategy = storage.MergeStrategyReplace
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case "merge":
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strategy = storage.MergeStrategyMerge
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default:
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return fmt.Errorf("invalid strategy: %s (use 'replace' or 'merge')", importMergeStrategy)
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}
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if err := store.ImportData(ctx, &data, strategy); err != nil {
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return fmt.Errorf("failed to import data: %w", err)
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}
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hosts, _ := store.ListHosts(ctx)
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keys, _ := store.ListKeyPairs(ctx)
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snippets, _ := store.ListSnippets(ctx)
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fmt.Printf("Import successful!\n")
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fmt.Printf(" Strategy: %s\n", importMergeStrategy)
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fmt.Printf(" Total Hosts: %d\n", len(hosts))
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fmt.Printf(" Total Keys: %d\n", len(keys))
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fmt.Printf(" Total Snippets: %d\n", len(snippets))
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return nil
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}
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func previewImport(data *storage.ExportData, filename string) error {
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fmt.Println("Import Preview (Dry Run)")
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fmt.Println("------------------------")
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fmt.Printf("File: %s\n", filename)
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fmt.Printf("Hosts: %d\n", len(data.Hosts))
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fmt.Printf("Keys: %d\n", len(data.KeyPairs))
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fmt.Printf("Snippets: %d\n", len(data.Snippets))
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fmt.Printf("Strategy: %s\n\n", importMergeStrategy)
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fmt.Println("To perform the import, run:")
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fmt.Printf(" hostkeeper import %s --strategy %s\n", filename, importMergeStrategy)
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return nil
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}
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