feat: [#315] Backup Support - Phases 1-4 Complete#316
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josecelano merged 45 commits intomainfrom Feb 4, 2026
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…tation - Add Dockerfile with multi-stage build (base, test, production) - Implement backup.sh script with MySQL, SQLite, and config file backup support - Add 44 comprehensive unit tests using bats-core - Include cleanup functionality with configurable retention policy - Add comprehensive function documentation - Extract utility functions for improved code quality (DRY principle) - Support config-file based configuration (not env vars) - Build fails if tests fail (integrated testing) - Run as non-root user (torrust UID 1000) Phase 1.1 of issue #315 backup support implementation
…uide - Add deployment structure section to AGENTS.md showing /opt/torrust layout - Document basic commands for working with deployed instances - Create comprehensive Phase 1.1b manual testing guide - Link to user guide for detailed operational information Related to issue #315 backup support implementation
- Add comprehensive test results document (315-phase-1.1b-results.md) - Update main issue spec (315-implement-backup-support.md) with progress - Successfully tested SQLite and MySQL backups in real deployments - Verified backup files are valid and services remain healthy - Both test scenarios passed all acceptance criteria Test Results: - SQLite backup: 639 bytes compressed, valid database format - MySQL backup: 935 bytes compressed, valid SQL dump - Config backup: 1007 bytes compressed, correct tar archive - All backups completed in < 1 second - No impact on running services Phase 1.1 and 1.1b are now complete. Ready for Phase 1.2 (GitHub workflow). Related to issue #315
- Create backup-container.yaml workflow for publishing to Docker Hub - Follows pattern from container.yaml (deployer image) - Uses dockerhub-torrust-backup environment credentials - Publishes to torrust/tracker-backup - Triggers on changes to docker/backup/** paths - Includes build, test, context check, and publish jobs - Supports both development and production releases - Add tracker-backup to docker-security-scan.yml matrix - Enables automated Trivy scanning for vulnerabilities - Generates SARIF reports for GitHub Code Scanning - Update progress tracking in issue #315 - Mark workflow creation tasks complete - Note manual security scan requires CI publishing first - Update image name from 'backup' to 'tracker-backup' This completes Phase 1.2 (GitHub workflows) of the backup support implementation.
Update progress tracking to reflect the correct image name: torrust/tracker-backup (not torrust/backup)
CRITICAL CORRECTION: The initial security scan documentation was incorrect. Actual scan results: - Total: 10 vulnerabilities (7 HIGH, 3 CRITICAL) - NOT zero vulnerabilities as initially documented Vulnerabilities found: 1. CVE-2025-7458 (CRITICAL) - SQLite integer overflow - Affects: libsqlite3-0, sqlite3 - Required for SQLite database backups 2. CVE-2023-45853 (CRITICAL) - zlib buffer overflow - Affects: zlib1g compression library - Status: will_not_fix by Debian 3. CVE-2025-13699 (HIGH) - MariaDB dump RCE - Affects: mariadb-client, libmariadb3, mariadb-common - Used for MySQL database backups 4. CVE-2026-0861 (HIGH) - glibc integer overflow - Affects: libc-bin, libc6 (core system libraries) 5. CVE-2026-24882 (HIGH) - GnuPG buffer overflow - Affects: gpgv (not directly used by backup operations) All vulnerabilities are in upstream Debian 12.13 packages with status 'affected' (no fix available yet) or 'will_not_fix'. Risk Assessment: - Level: MEDIUM-HIGH - Mitigation: Container runs with limited privileges, read-only data access, isolated network, non-root user (UID 1000), and exits immediately after backup completion - Recommendation: Monitor Debian security advisories for patches, rebuild regularly, consider network isolation Updated documentation: - Corrected vulnerability counts in scan document - Added detailed CVE analysis and risk assessment - Added mitigation strategies and operational context - Updated progress tracking with accurate status - Added technical terms to project-words.txt (gpgv, libmariadb, memalign)
Upgrades base image from debian:bookworm-slim (Debian 12) to debian:trixie-slim (Debian 13 - current stable, released Aug 9, 2025). Security improvements: - RESOLVED 3 critical vulnerabilities with no fixes in Debian 12: * CVE-2025-7458 (CRITICAL) - SQLite integer overflow * CVE-2023-45853 (CRITICAL) - zlib buffer overflow * CVE-2026-24882 (HIGH) - GnuPG buffer overflow - Remaining vulnerabilities (9 HIGH, 2 CRITICAL): * OpenSSL vulnerabilities have fixes available (3.5.4-1~deb13u2) * MariaDB/glibc vulnerabilities still being monitored - Risk level reduced: MEDIUM-HIGH → MEDIUM - Overall security posture significantly improved Container functionality: - All 44 unit tests pass - Build time: 11.1s (no performance impact) - Runtime behavior unchanged This aligns with torrust-tracker PR #1629 which upgraded to Debian 13 and achieved zero vulnerabilities. Documentation: - Updated security scan report with Debian 13 results - Added technical terms to spell checker (trixie, pkcs)
Adds torrust-tracker-backup to the security scan summary: - 9 HIGH, 2 CRITICAL vulnerabilities (Debian 13) - OpenSSL vulnerabilities have fixes available - Links to renamed scan report (torrust-tracker-backup.md)
The backup container has an ENTRYPOINT set to /scripts/backup.sh, which was being executed instead of verification commands. Override the entrypoint using --entrypoint flag to run ls/which commands for structure validation.
Implements Phase 2.1 - Backup configuration domain types: - BackupConfig: Main backup configuration (schedule + retention) - CronSchedule: Validated 5-field cron expression - RetentionDays: Non-zero retention period (u32) Features: - Always-valid domain types (validated on construction) - Custom Deserialize implementations for validation - Sensible defaults (3:00 AM daily, 7 days retention) - Security: Validates cron expressions (prevents injection) - 39 passing unit tests Testing improvements: - Refactored from loop-based tests to rstest parametrized tests - More maintainable and idiomatic Rust testing - Clear test case documentation with descriptions Domain types follow project conventions: - Private fields with validated constructors - Custom deserialization for validation - Error types with clear, actionable messages
…erer - Created BackupProjectGenerator for template orchestration - Added BackupContext with MySQL/SQLite database config variants - Implemented BackupConfigRenderer for backup.conf.tera rendering - Added BackupTemplate wrapper for Tera template handling - Registered backup module in templating infrastructure - Updated backup.conf.tera to use flattened context variables - Added comprehensive unit tests (15 tests total) - All tests passing (2148 lib + 462 doc tests) - All linters passing
…kflow The workflow was using 'context: ./docker/backup' which doesn't match the Dockerfile COPY paths that expect 'docker/backup/' prefix from repo root. Changed all three build steps (test, publish_development, publish_production) to use 'context: .' (repository root) which matches: - Local build setup (docker build -f docker/backup/Dockerfile .) - Dockerfile COPY commands (COPY docker/backup/backup.sh ...) This resolves the GitHub Actions build failure where files couldn't be found during COPY operations.
… separate modules - Created domain/topology/dependency_condition.rs for DependencyCondition enum - Created domain/topology/service_dependency.rs for ServiceDependency struct - Updated domain/topology/traits.rs to only contain traits - ServiceDependency now uses domain Service and DependencyCondition enums instead of strings - Updated infrastructure ServiceDependency to map from domain types - Added comprehensive documentation with backticks for MySQL/SQLite references - All 2158 tests passing
Implements Phase 2.3 of backup support by adding backup release steps to deploy backup configuration files during the release command. Follows the established two-step pattern used by other services: 1. Create storage directories (create-backup-storage.yml) 2. Deploy configuration files (deploy-backup-config.yml) Changes: - Add RenderBackupTemplatesStep for rendering backup.conf and backup-paths.txt - Add CreateBackupStorageStep for creating /opt/torrust/storage/backup/etc - Add DeployBackupConfigStep for deploying config files via Ansible - Add backup::release() orchestration module (checks if backup enabled) - Create two Ansible playbooks following established patterns - Update release workflow to call backup::release() between mysql and caddy - Add backup error variants: CreateBackupStorageFailed, DeployBackupConfigFailed - Add ReleaseStep::CreateBackupStorage enum variant - Fix helper function placement (before #[cfg(test)] to avoid clippy error) - Add 'isdir' to project-words.txt for Ansible stat module field - Update UserInputs domain model to include backup field Architecture alignment: - Follows DDD layer separation (domain, application, infrastructure) - Matches prometheus/grafana/caddy release step patterns - Backup skipped gracefully when user_inputs.backup() is None - Comprehensive error handling with troubleshooting guidance Test results: - All 2163 lib tests passing - All 467 doc tests passing - All linters passing (markdown, yaml, toml, cspell, clippy, rustfmt) - Pre-commit checks passing (lib, E2E, machete) Related: #315 Phase 2.3 - Add backup step to Release command
- Fix incorrect SQLite database path from lib/ to lib/database/ - The tracker database is stored in lib/database/ subdirectory, not lib/ - Update backup_templates.rs to use correct path when generating backup config - Fix backup template build directory path from storage/backup/etc to backup/etc - Add comprehensive backup verification guide for E2E testing - Document actual backup file structure and naming conventions - Add backup service reference to manual E2E testing README - Update environment context to pass backup config through initialization - Improve test coverage for backup template rendering with backup config - All tests now properly configure backup via EnvironmentTestBuilder Verification: - Manual backup execution now works correctly with SQLite - Database backup file created and compressed successfully - Config backup archive contains all expected files - All linters and pre-commit checks pass
…ocker image - Move MySQL client configuration to Docker image build phase - Replace runtime temporary file creation with static /etc/mysql/mysql-client.cnf - Simplifies backup_mysql() function - removes mktemp, temp file handling, cleanup - Configuration includes ssl=FALSE to disable SSL verification for Docker connections - Uses MYSQL_PWD environment variable for secure password handling - Verified with successful MySQL backup execution on test environment - Reduces complexity and improves maintainability of backup infrastructure
…rnings - Document expected PROCESS privilege warning in MySQL backups (not fatal) - Add actual MySQL backup output example with warning message - Clarify that backup completes successfully despite warning - Detail MySQL SQL dump verification steps with actual output - Show how to verify compressed SQL file contains valid database structure - Add checkmarks confirming expected backup file properties - Improve clarity on MySQL vs SQLite backup file differences
…results - Complete step 1.1b with full MySQL backup testing details - Document actual backup file creation and verification - Add MySQL SSL/TLS configuration solution and lessons learned - Update acceptance criteria with verification status - Mark pre-commit checks, database backups, and documentation as verified - Detail non-fatal PROCESS privilege warning and why it occurs - Explain benefits of embedding MySQL config in Docker image - Note simplified backup_mysql() function without runtime file creation
…kup with defaults - Include BackupSection in template with default values - Default schedule: 3:00 AM daily (0 3 * * *) - Default retention: 7 days - Enables backup support for users immediately upon creation - Regenerate JSON schema to include BackupSection definition - Schema now documents schedule and retention_days fields - Provides IDE autocomplete and validation for backup configuration - Follows schema regeneration instructions from schemas/README.md - Update comment to clarify that backups are now enabled by default - Users can remove the backup section if not needed - Follows the same pattern as prometheus and grafana Relates to: #315
Mark Step 2.4 as complete with full details: - Template generation now includes BackupSection by default - JSON schema regenerated with complete BackupSection definition - Default schedule: 3:00 AM daily, retention: 7 days - All linters and tests passing Phase 2 (Steps 2.1-2.4) now complete. Ready for Phase 3: Scheduled Backups.
…uled backups Implements cron template generation for backup scheduling with standardized headers. **New Files:** - templates/backup/maintenance-backup.cron.tera: Crontab template - templates/backup/maintenance-backup.sh: Backup orchestration script - src/infrastructure/templating/backup/template/renderer/maintenance_cron.rs - src/infrastructure/templating/backup/template/wrapper/maintenance_cron/ **Architecture:** Cron scheduling under backup service, follows ProjectGenerator pattern
…ompletion - Marked Step 3.2: Crontab installation playbook as COMPLETE - Created install-backup-crontab.yml with proper permissions - Registered in ProjectGenerator (22 playbooks total) - Marked Step 3.3: Wire into Release command as COMPLETE - InstallBackupCrontabStep created and integrated - Added ReleaseStep::InstallBackupCrontab enum variant - Comprehensive error handling with troubleshooting - All 2170 unit tests passing - Marked Step 3.4: Docker Compose profiles as COMPLETE - Added profiles: [backup] to service definition - Updated maintenance-backup.sh for profile invocation - Backup now on-demand via cron, not auto-start - Added Phase 3 E2E Verification (complete test results) - manual-cron-test environment: Full deployment successful - Cron execution test: 30 cycles, 100% success rate - 20 backup files created (tar.gz format) - All services healthy throughout testing - Updated Acceptance Criteria - Marked 'Crontab runs scheduled backups' as VERIFIED - Added test verification details
Change GitHub workflow to use docker/backup as build context instead of root. This allows Dockerfile COPY commands to use simple relative paths (backup.sh) instead of full paths from repo root (docker/backup/backup.sh). Changes: - workflows/backup-container.yaml: context: . → context: ./docker/backup - docker/backup/Dockerfile: Reverted COPY commands to simple paths Rationale: Docker COPY is always relative to build context, not Dockerfile location. By setting context to ./docker/backup, files are referenced naturally from the Dockerfile's perspective. This is cleaner and prevents future regressions where accidental changes break either local or CI builds. Both local and CI builds now work correctly: - Local: docker build -f docker/backup/Dockerfile ./docker/backup - CI: with context: ./docker/backup in workflow
- Add 'Building the Container' section to docker/backup/README.md * Explain Docker COPY path resolution (relative to context, not Dockerfile) * Document correct local build command * Document CI/workflow build configuration * Explain why this context strategy prevents regression - Add detailed comments to backup-container.yaml workflow * Clarify why context: ./docker/backup is required * Document regression history (commit 9d297cc) * Link to README documentation for deeper understanding * Warn future developers about changing context without understanding implications Purpose: Prevent future regressions where CI and local builds diverge due to context/path mismatches. The next developer who sees 'context: ./docker/backup' will understand why it matters and what breaks if they change it.
…an workflow The docker-security-scan.yml workflow was building the backup image with context: . (root) but the Dockerfile uses simple relative paths (COPY backup.sh). Changed to use matrix.image.context variable which correctly specifies docker/backup for the backup image, matching the backup-container.yaml workflow fix and resolving the build failure.
Added [](/actions/workflows/backup-container.yaml) badge alongside other workflow status indicators in the main README. This provides visibility into the backup container build and publish status.
This completes Steps 3.2 and 3.3 of Phase 3: Step 3.2: Add crontab installation playbook - Created install-backup-crontab.yml Ansible playbook - Copies maintenance-backup.sh to /usr/local/bin/ (mode 0755, root:root) - Installs crontab entry to /etc/cron.d/tracker-backup (mode 0644, root:root) - Creates /var/log/tracker-backup.log (mode 0644, root:root) - Registered in ProjectGenerator Step 3.3: Wire crontab into Release command - Created InstallBackupCrontabStep system step module - Added to backup release workflow (after config deployment) - Conditional execution (only if backup enabled in environment) - Updated ReleaseStep enum with InstallBackupCrontab variant - Added comprehensive error variant with help text Integration: - Release workflow: Create Storage → Deploy Config → Install Crontab → Render Compose → Deploy Compose - All services remain healthy during backup operations - Crontab isolated from Docker Compose setup via profiles
Fixed MD037 linting errors: - Line 938: Changed (_/5 _ * * *) to (`_/5 _ * * *`) - Line 995: Changed (_/5 _ * * *) to (`_/5 _ * * *`) - Also updated related cron schedule references to use code formatting All linters now pass.
The docker-security-scan.yml workflow uses context: docker/provisioned-instance for the provisioned-instance image, which means COPY paths should be relative to that directory, not include the full path from root. Changed: - COPY docker/provisioned-instance/supervisord.conf → COPY supervisord.conf - COPY docker/provisioned-instance/entrypoint.sh → COPY entrypoint.sh This matches the build context pattern used for backup and other images.
…ed backups - Add verification steps for crontab installation (Step 10) - Add monitoring procedures for automatic scheduled backups (Step 11) - Reorganize verification checklist with operational phases - Update implementation status to reflect current feature set - Add testing workflows for quick verification, full E2E, and retention testing - Document initial backup + crontab integration as complete features - Update success criteria to match automated backup state
IMPLEMENTATION: - Create BackupValidator in infrastructure/remote_actions/validators/backup.rs - Validates backup files exist at /opt/torrust/storage/backup/ - Checks for at least one .gz compressed backup file - Confirms initial backup created during 'run' command - Add backup validation to run_run_validation.rs: - Add 'backup' field to ServiceValidation struct - Create validate_backup() async function - Integrate with existing E2E validation workflow - Add BackupValidationFailed error variant - Add troubleshooting guidance for backup validation failures - Update e2e_deployment_workflow_tests.rs: - Use ..Default::default() for ServiceValidation - Backup validation available for future use when backup is enabled in test env VALIDATION SCOPE: - Verifies initial backup was created during deployment - Works for both SQLite and MySQL configurations - Simple and effective: uses existing E2E deployment workflow - No changes needed to existing tests TESTING: - Compiles without errors - All linters passing (clippy, rustfmt, markdown, yaml, toml, etc) - Ready for integration into CI/CD pipeline
- Part 1 (Documentation): 100% complete ✅
- Comprehensive backup.md user guide
- Updated all command documentation
- Updated README navigation
- Configuration documentation auto-generated from Rust types
- Part 2 (E2E Tests): 90% complete
- 2.1 Backup verification: COMPLETE ✅
- BackupValidator implementation
- Integration with run_run_validation()
- 2.2 Existing E2E tests: Pending
- Integration tests need verification
- Template generation needs verification
- 2.3 Manual testing docs: COMPLETE ✅
- backup-verification.md fully updated
Only 2.2 remains for full completion.
…during run command - Update docs/user-guide/commands/run.md: Remove mention of automatic initial backup - Clarify backup service is configured during release - Document manual backup trigger procedure - Mark initial backup automation as planned enhancement (Phase 4.2.2) - Update docs/user-guide/backup.md: Clarify deployment phases - Phase 1 now describes setup (not automatic backup execution) - Document manual backup procedure during initial deployment - Phase 2 remains scheduled backups via crontab - Phase 3 remains retention cleanup Context: The run command handler currently only calls StartServicesStep. Initial backup automation would require adding an InitialBackupStep that executes 'docker compose --profile backup run --rm backup' during or after service startup. This enhancement is planned for Phase 4.2.2.
- Mark Phase 4 documentation as complete - Document discovery that initial backup is not yet invoked - Explain what was implemented vs what remains - Note documentation corrections made for accuracy - Clarify user workaround (manual backup trigger)
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- Updated section heading to show ✅ COMPLETED status - Marked 7.2 implementation task as completed - Updated task description with full implementation details - Removed stale reference to deleted spec file - Clarified what was implemented in 4 phases: - Phase 1: Backup container on Docker Hub - Phase 2: Service integration and deployment - Phase 3: Crontab scheduling and automation - Phase 4: Documentation and user guidance Issue #315 is now closed as of PR #316 merge.
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🎯 Issue #315 Complete: Full Backup Support Implementation
This PR implements all phases of issue #315 (backup support), delivering a production-ready backup feature with comprehensive documentation.
✅ What's Included
Phase 1: Backup Container Infrastructure ✅
docker/backup/)backup.shwith comprehensive Rust-style documentationdocker/backup/README.md)Phase 2: Deployer Integration ✅
Phase 3: Scheduled Backups ✅
releasecommandPhase 4: Documentation & Testing ✅
docs/user-guide/backup.md)run) planned for Phase 4.2.2📦 Feature Completeness
What's Fully Automated:
releaseManual Workaround (Until Phase 4.2.2):
docker compose --profile backup run --rm backup🏗️ Architecture
Backup Workflow:
Supported Deployments:
🧪 Testing
Unit Tests: 44 tests in
backup_test.batscovering:Integration Testing: Verified in:
📚 Documentation
docs/user-guide/backup.md- Complete feature documentationdocs/user-guide/commands/run.md- Updated with accurate automation statusdocs/issues/315-phase-4-documentation-and-testing-plan.md- Implementation detailsdocker/backup/README.md- Technical documentationdocs/security/docker/scans/torrust-tracker-backup.md- Vulnerability tracking🔐 Security
🚀 Future Enhancements
Phase 4.2.2: Initial Backup Automation
InitialBackupStepto run command handlerruncommand📊 Changes Summary
🔗 Related Issues
✨ Ready for Production
The backup feature is fully implemented and production-ready:
torrust/tracker-backup)