1. <?php
  3. /**
  4. * Archives directory content for dry-run scenarios based on a configuration file.
  5. *
  6. * @param array $config Configuration array.
  7. * - 'source_directories' => Array of directories to archive.
  8. * - 'archive_dir' => Directory to store the archives.
  9. * - 'dry_run' => Whether to perform a dry run (true) or actually archive (false).
  10. */
  11. function archiveDirectories(array $config): void
  12. {
  13. // Validate configuration
  14. if (!isset($config['source_directories']) || !is_array($config['source_directories']) || empty($config['source_directories'])) {
  15. error_log("Invalid 'source_directories' configuration.");
  16. return;
  17. }
  19. if (!isset($config['archive_dir']) || !is_dir($config['archive_dir'])) {
  20. error_log("Invalid 'archive_dir' configuration.");
  21. return;
  22. }
  24. if (!isset($config['dry_run']) || !is_bool($config['dry_run'])) {
  25. error_log("Invalid 'dry_run' configuration.");
  26. return;
  27. }
  29. $sourceDirectories = $config['source_directories'];
  30. $archiveDir = $config['archive_dir'];
  31. $dryRun = $config['dry_run'];
  33. // Ensure archive directory exists
  34. if (!is_dir($archiveDir)) {
  35. try {
  36. mkdir($archiveDir, 0777, true); // Create directory recursively
  37. } catch (Exception $e) {
  38. error_log("Failed to create archive directory: " . $e->getMessage());
  39. return;
  40. }
  41. }
  43. foreach ($sourceDirectories as $sourceDir) {
  44. if (!is_dir($sourceDir)) {
  45. error_log("Source directory does not exist: " . $sourceDir);
  46. continue;
  47. }
  49. $archiveName = basename($sourceDir);
  50. $archivePath = $archiveDir . '/' . $archiveName . '.tar.gz';
  52. if ($dryRun) {
  53. echo "Dry Run: Archiving $sourceDir to $archivePath\n";
  54. } else {
  55. // Use tar command to create the archive
  56. $command = "tar -czvf " . escapeshellarg($archivePath) . " -C " . escapeshellarg($sourceDir) . " .";
  58. exec($command, $output, $returnCode);
  60. if ($returnCode !== 0) {
  61. error_log("Failed to archive $sourceDir. Return code: " . $returnCode . ". Output: " . implode("\n", $output));
  62. } else {
  63. echo "Archived $sourceDir to $archivePath\n";
  64. }
  65. }
  66. }
  67. }
  69. // Example Usage (read config from a file, for example)
  70. // $config = parse_ini_file('config.ini');
  71. // archiveDirectories($config);
  73. ?>

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