63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"log/slog"
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"os"
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"archivmail/config"
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"archivmail/internal/storage"
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)
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// runRecompress walks the mail store and gzip-compresses any file that is not
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// yet compressed. Files are replaced atomically (write to temp, then rename).
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//
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// Usage: archivmail recompress [--config path] [--dry-run]
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func runRecompress(args []string) {
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fset := flag.NewFlagSet("recompress", flag.ExitOnError)
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configPath := fset.String("config", "/etc/archivmail/config.yml", "path to config file")
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dryRun := fset.Bool("dry-run", false, "simulate without writing changes")
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_ = fset.Parse(args)
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logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
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cfg, err := config.Load(*configPath)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: load config: %v\n", err)
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os.Exit(1)
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}
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storeCfg := storage.Config{
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Dir: cfg.Storage.StorePath,
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Keyfile: cfg.Storage.Keyfile,
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DSN: cfg.Database.DSN(),
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CompressEnabled: true,
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}
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mailStore, err := storage.New(storeCfg)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: storage init: %v\n", err)
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os.Exit(1)
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}
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defer mailStore.Close()
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if *dryRun {
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logger.Info("recompress: DRY-RUN — keine Änderungen werden gespeichert")
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}
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stats, err := mailStore.Recompress(context.Background(), *dryRun, logger)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: recompress: %v\n", err)
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os.Exit(1)
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}
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logger.Info("recompress: abgeschlossen",
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"total", stats.Total,
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"compressed", stats.Compressed,
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"already_compressed", stats.AlreadyCompressed,
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"skipped_errors", stats.Errors,
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"bytes_saved_mb", fmt.Sprintf("%.1f MB", float64(stats.BytesSaved)/1024/1024),
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)
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}
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