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mb-backup-manager/changelogs.md

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Changelog

Version 1.8

Added

  • view_snapshots.sh Enhancements:

    • Introduced support for a new all tag to display all snapshots regardless of specific tags.
    • Added functionality to dynamically fetch and display all available tags in the repository, improving usability and flexibility.
    • Enhanced error handling for empty repositories or inaccessible snapshots with detailed log messages.

  • Improved Snapshot Display:

    • For the all tag, all snapshots are displayed in a formatted output including short_id, time, and associated tags.
    • Enhanced the script to log raw snapshot data during errors for easier debugging.

Fixed

  • Resolved issues with fetching available tags when no snapshots existed in the repository, ensuring consistent script behavior.
  • Fixed a missing password issue when executing restic -r /data/backups snapshots --json, ensuring RESTIC_PASSWORD is securely passed in all cases.
  • Corrected formatting and display of available tags to ensure no duplicate or unnecessary entries are shown.

Updated

  • Logging and Usability:

    • Improved log formatting to include more descriptive timestamps and detailed error or success messages for each step.
    • Standardized output for snapshot retrieval by tag, including snapshot ID, timestamp, and tags in a clean and readable format.

  • Environment Validation:

    • Updated view_snapshots.sh to ensure all necessary environment variables (RESTIC_REPOSITORY, RESTIC_PASSWORD) are set before executing Restic commands.
    • Validated repository access and password file existence at the start of the script to avoid runtime errors.

Improved

  • Modularity and Robustness:

    • Refactored view_snapshots.sh to handle dynamic tags more effectively, making it easier to extend or customize in the future.
    • Centralized dependency validation (restic, jq) and repository checks to reduce redundancy across script operations.

  • Error Handling:

    • Added detailed error messages when repository access fails or tags cannot be fetched, ensuring issues are easy to debug.
    • Ensured graceful script exits with appropriate logs when critical validation checks fail.

  • Code Maintenance:

    • Reduced redundancy by consolidating snapshot and tag-related logic into reusable functions.
    • Enhanced maintainability by improving script readability, modularity, and inline documentation.

Version 1.7

Added

  • restore_backup_direct.sh Enhancements:

    • Improved restoration script to handle specific backup types (core files, media files, database backups) based on tags.
    • Integrated functionality to restore databases directly by piping .sql files from Restic to MySQL.
    • Added automatic detection of database credentials from wp-config.php with fallback to default values for DB_HOST.
    • Ensured proper environment setup with RESTIC_PASSWORD retrieved securely from /etc/restic-password.

  • Automatic Backup Tagging:

    • Modified backup_all.sh to differentiate between manual (manual-backup-YYYY-MM-DD_HH-MM-SS) and automated (auto-backup-YYYY-MM-DD_HH-MM-SS) backups.
    • Ensured backups triggered by cron jobs are tagged appropriately for easy identification.

  • manage_backup_schedule.sh Enhancements:

    • Ensured backup_all.sh runs in auto mode when added to cron, guaranteeing automated backups have the correct tags.
    • Validated cron job syntax and dependencies to avoid misconfigurations.
    • Added explicit logging of cron actions, including schedule additions, updates, removals, and listing.

  • Improved Error Messaging:

    • Enhanced restoration script to provide detailed error messages when database restoration fails, including incorrect credentials or insufficient privileges.

Fixed

  • Resolved issues with incorrect handling of database restoration paths, ensuring .sql files are restored directly into MySQL when detected.
  • Addressed potential confusion in tagging by clearly segregating manual and automated backups in logs and tags.
  • Corrected empty DB_HOST values in the restoration script by setting a default to localhost when no value is provided in wp-config.php.

Updated

  • Logging and Traceability:
    • Enhanced all relevant scripts (restore_backup_direct.sh, backup_all.sh, manage_backup_schedule.sh) to log detailed timestamps and descriptive messages.
    • Improved consistency in log formatting across scripts for better traceability.
    • Added detailed logs for all cron operations in manage_backup_schedule.sh to track automated backups effectively.

Improved

  • Backup and Restore Modularity:

    • Streamlined the orchestration of backups and restores to ensure modularity and easier debugging.
    • Improved robustness of restore_backup_direct.sh by handling different backup types dynamically using snapshot tags.
    • Simplified management of cron schedules with better error handling and validation in manage_backup_schedule.sh.

  • Error Handling:

    • Ensured all scripts exit gracefully on errors with detailed logs to pinpoint issues.
    • Enhanced dependency validation to check for all required tools (restic, mysql, jq, crontab, etc.) before execution.

  • Code Maintenance:

    • Centralized key operations such as password retrieval, lock handling, and backup tagging across scripts for easier maintenance and fewer redundancies.

Version 1.6

Added

  • check_repo_stats.sh:

    • Introduced a new script to automate the retrieval of repository statistics and perform maintenance tasks.
    • Logs repository stats, retention policy application, and integrity checks to dynamically named log files (repo_stats_YYYY-MM-DD.log).
    • Automatically applies a retention policy (--keep-last 7 --prune) to manage repository size.
    • Includes an integrity check (restic check --read-data-subset=5%) to validate repository consistency and data reliability.
    • Detects and removes stale locks before performing operations.
    • Ensures dependencies (restic) and repository access are validated before execution.
    • Handles errors gracefully with detailed logging for each step.

  • Enhanced backup_repo_check Functionality:

    • Created a standalone script check_backup_repo.sh to validate repository integrity and initialize repositories if empty.
    • Logs actions and errors to /home/litespeed/logs/backup_repo_check.log for better traceability.
    • Improved stale lock handling by detecting and removing locks when necessary.
    • Validates or creates a password file (/etc/restic-password) to ensure smooth operation without prompts.
    • Automatically initializes a new repository if no files are present in the backup path.

Fixed

  • Addressed permission issues in check_backup_repo.sh by ensuring the log directory and repository paths are writable by the correct user.
  • Corrected potential errors in handling stale locks by adding proper validation before removing them.

Improved

  • Enhanced logging across check_repo_stats.sh and check_backup_repo.sh for better monitoring and traceability.
  • Optimized script robustness with dependency validation, error handling, and reduced redundancy.
  • Streamlined repository maintenance by combining retention policy application, stale lock removal, and integrity checks into check_repo_stats.sh.

Version 1.5

Added

  • Simplified backup_all.sh by delegating backup tasks to individual scripts (backup_core_files.sh, backup_database.sh, backup_media.sh).
  • Introduced centralized orchestration of all backups in backup_all.sh with a unified manual-backup tag for consistency.
  • Ensured individual scripts can be reused independently or called as part of a larger workflow.

Fixed

  • Corrected trap command in backup_all.sh to ensure errors are properly logged to backup_error.log.
  • Addressed issues with redundant logic in backup_all.sh by consolidating common functionality into the individual backup scripts.
  • Resolved potential inconsistencies in tag usage by applying a standard manual-backup tag with the current server date across all backup scripts.

Updated

  • Refactored backup_all.sh to dynamically call individual backup scripts instead of duplicating logic for core, database, and media backups.
  • Adjusted YAML configuration for backupnow to call backup_all.sh as the primary entry point for the backup process.

Improved

  • Centralized the backup process to enhance modularity and maintainability by separating core, database, and media backup logic.
  • Ensured consistent tagging and logging across all backup types for easier monitoring and debugging.
  • Streamlined the orchestration script (backup_all.sh) for improved readability and reduced duplication.

Version 1.4

Added

  • Introduced efficient lock management in all backup scripts to prevent conflicts during simultaneous Restic operations.
  • Automated removal of stale locks before each Restic operation.
  • Added global lock mechanism using flock to serialize backup operations across multiple processes.
  • Implemented dynamic inclusion of Restic password handling by reading it directly from the /etc/restic-password file.
  • Added automatic validation of Restic repository access before performing backups.

Fixed

  • Fixed issues with manual Restic prompts for the repository password by ensuring passwords are passed via environment variables.
  • Resolved potential conflicts caused by simultaneous Restic processes with the introduction of serialized operations.
  • Corrected permissions for Restic lock directories to avoid permission-denied errors during backup and restore processes.
  • Enhanced password validation logic to ensure backups fail gracefully if the provided password is incorrect.

Updated

  • Updated core, media, and database backup scripts to handle dynamic exclusion paths using a loop-based approach for --exclude options.
  • Revised logging mechanisms across all scripts to include detailed timestamps and step-specific logs for better traceability.
  • Improved script robustness by validating the Restic repository's accessibility upfront using restic snapshots.

Improved

  • Optimized all backup scripts to use efficient lock and unlock handling, ensuring smooth operation during concurrent backups and restores.
  • Standardized backup script flow across media, database, and core backups, including consistent use of environment variables and error handling.
  • Improved log formatting with more descriptive log messages and clear delineation of errors, warnings, and successes.
  • Reduced redundancy in password handling by centralizing Restic password retrieval logic.