package monitoring import ( "archive/tar" "compress/gzip" "crypto/sha256" "encoding/json" "fmt" "io" "os" "path/filepath" "strings" "sync" "time" "github.com/sirupsen/logrus" ) type OperationsManager struct { logger *logrus.Logger config *OperationsConfig backup *BackupManager recovery *RecoveryManager persistence *DataPersistence testing *RecoveryTesting mu sync.RWMutex } type OperationsConfig struct { Enabled bool `json:"enabled"` BackupPath string `json:"backup_path"` RecoveryPath string `json:"recovery_path"` RetentionDays int `json:"retention_days"` Compression bool `json:"compression"` Encryption bool `json:"encryption"` Metadata map[string]string `json:"metadata"` } type BackupManager struct { config *BackupConfig schedules map[string]BackupSchedule strategies map[string]BackupStrategy storage *BackupStorage logger *logrus.Logger } type BackupConfig struct { Enabled bool `json:"enabled"` AutoBackup bool `json:"auto_backup"` BackupPath string `json:"backup_path"` RetentionDays int `json:"retention_days"` Compression bool `json:"compression"` Encryption bool `json:"encryption"` Metadata map[string]string `json:"metadata"` } type BackupSchedule struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Type string `json:"type"` Interval time.Duration `json:"interval"` LastRun time.Time `json:"last_run"` NextRun time.Time `json:"next_run"` Enabled bool `json:"enabled"` Metadata map[string]interface{} `json:"metadata"` } type BackupStrategy struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Type string `json:"type"` Paths []string `json:"paths"` Exclude []string `json:"exclude"` Compression bool `json:"compression"` Encryption bool `json:"encryption"` Enabled bool `json:"enabled"` Metadata map[string]interface{} `json:"metadata"` } type BackupJob struct { ID string `json:"id"` ScheduleID string `json:"schedule_id"` StrategyID string `json:"strategy_id"` Status string `json:"status"` StartTime time.Time `json:"start_time"` EndTime time.Time `json:"end_time"` Duration time.Duration `json:"duration"` Size int64 `json:"size"` Checksum string `json:"checksum"` Path string `json:"path"` Error string `json:"error,omitempty"` Metadata map[string]interface{} `json:"metadata"` } type BackupStorage struct { path string retention time.Duration mu sync.RWMutex } type RecoveryManager struct { config *RecoveryConfig procedures map[string]RecoveryProcedure plans map[string]RecoveryPlan logger *logrus.Logger } type RecoveryConfig struct { Enabled bool `json:"enabled"` AutoRecovery bool `json:"auto_recovery"` RecoveryPath string `json:"recovery_path"` Testing bool `json:"testing"` Metadata map[string]string `json:"metadata"` } type RecoveryProcedure struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Type string `json:"type"` Steps []RecoveryStep `json:"steps"` Prerequisites []string `json:"prerequisites"` EstimatedTime time.Duration `json:"estimated_time"` RiskLevel string `json:"risk_level"` Enabled bool `json:"enabled"` Metadata map[string]interface{} `json:"metadata"` } type RecoveryStep struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Command string `json:"command"` Args []string `json:"args"` Timeout time.Duration `json:"timeout"` Rollback string `json:"rollback"` Metadata map[string]interface{} `json:"metadata"` } type RecoveryPlan struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Procedures []string `json:"procedures"` Priority string `json:"priority"` RTO time.Duration `json:"rto"` RPO time.Duration `json:"rpo"` Enabled bool `json:"enabled"` Metadata map[string]interface{} `json:"metadata"` } type DataPersistence struct { config *PersistenceConfig replication *ReplicationManager mu sync.RWMutex } type PersistenceConfig struct { Enabled bool `json:"enabled"` Replication bool `json:"replication"` ReplicaCount int `json:"replica_count"` SyncMode string `json:"sync_mode"` Metadata map[string]string `json:"metadata"` } type ReplicationManager struct { replicas map[string]Replica strategies map[string]ReplicationStrategy mu sync.RWMutex } type Replica struct { ID string `json:"id"` Name string `json:"name"` Location string `json:"location"` Status string `json:"status"` LastSync time.Time `json:"last_sync"` SyncStatus string `json:"sync_status"` Metadata map[string]interface{} `json:"metadata"` } type ReplicationStrategy struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Type string `json:"type"` Interval time.Duration `json:"interval"` Enabled bool `json:"enabled"` Metadata map[string]interface{} `json:"metadata"` } type RecoveryTesting struct { config *TestingConfig scenarios map[string]TestScenario results map[string]TestResult logger *logrus.Logger } type TestingConfig struct { Enabled bool `json:"enabled"` AutoTesting bool `json:"auto_testing"` TestInterval time.Duration `json:"test_interval"` Metadata map[string]string `json:"metadata"` } type TestScenario struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Type string `json:"type"` Steps []TestStep `json:"steps"` Expected map[string]interface{} `json:"expected"` Enabled bool `json:"enabled"` Metadata map[string]interface{} `json:"metadata"` } type TestStep struct { ID string `json:"id"` Name string `json:"name"` Description string `json:"description"` Action string `json:"action"` Parameters map[string]interface{} `json:"parameters"` Validation string `json:"validation"` Metadata map[string]interface{} `json:"metadata"` } type TestResult struct { ID string `json:"id"` ScenarioID string `json:"scenario_id"` Status string `json:"status"` StartTime time.Time `json:"start_time"` EndTime time.Time `json:"end_time"` Duration time.Duration `json:"duration"` Results map[string]interface{} `json:"results"` Error string `json:"error,omitempty"` Metadata map[string]interface{} `json:"metadata"` } func NewOperationsManager(config *OperationsConfig, logger *logrus.Logger) *OperationsManager { manager := &OperationsManager{ logger: logger, config: config, backup: NewBackupManager(config.BackupPath, logger), recovery: NewRecoveryManager(config.RecoveryPath, logger), persistence: NewDataPersistence(), testing: NewRecoveryTesting(logger), } return manager } func NewBackupManager(backupPath string, logger *logrus.Logger) *BackupManager { manager := &BackupManager{ config: &BackupConfig{}, schedules: make(map[string]BackupSchedule), strategies: make(map[string]BackupStrategy), storage: NewBackupStorage(backupPath, 30*24*time.Hour), logger: logger, } // Initialize backup schedules manager.initializeSchedules() // Initialize backup strategies manager.initializeStrategies() return manager } func NewRecoveryManager(recoveryPath string, logger *logrus.Logger) *RecoveryManager { manager := &RecoveryManager{ config: &RecoveryConfig{}, procedures: make(map[string]RecoveryProcedure), plans: make(map[string]RecoveryPlan), logger: logger, } // Initialize recovery procedures manager.initializeProcedures() // Initialize recovery plans manager.initializePlans() return manager } func NewDataPersistence() *DataPersistence { return &DataPersistence{ config: &PersistenceConfig{}, replication: NewReplicationManager(), } } func NewRecoveryTesting(logger *logrus.Logger) *RecoveryTesting { testing := &RecoveryTesting{ config: &TestingConfig{}, scenarios: make(map[string]TestScenario), results: make(map[string]TestResult), logger: logger, } // Initialize test scenarios testing.initializeScenarios() return testing } func NewBackupStorage(path string, retention time.Duration) *BackupStorage { return &BackupStorage{ path: path, retention: retention, } } func NewReplicationManager() *ReplicationManager { return &ReplicationManager{ replicas: make(map[string]Replica), strategies: make(map[string]ReplicationStrategy), } } func (bm *BackupManager) initializeSchedules() { // Daily backup schedule bm.schedules["daily"] = BackupSchedule{ ID: "daily", Name: "Daily Backup", Description: "Daily backup of critical data", Type: "full", Interval: 24 * time.Hour, LastRun: time.Time{}, NextRun: time.Now().Add(24 * time.Hour), Enabled: true, } // Weekly backup schedule bm.schedules["weekly"] = BackupSchedule{ ID: "weekly", Name: "Weekly Backup", Description: "Weekly full backup with retention", Type: "full", Interval: 7 * 24 * time.Hour, LastRun: time.Time{}, NextRun: time.Now().Add(7 * 24 * time.Hour), Enabled: true, } // Monthly backup schedule bm.schedules["monthly"] = BackupSchedule{ ID: "monthly", Name: "Monthly Backup", Description: "Monthly archival backup", Type: "archival", Interval: 30 * 24 * time.Hour, LastRun: time.Time{}, NextRun: time.Now().Add(30 * 24 * time.Hour), Enabled: true, } } func (bm *BackupManager) initializeStrategies() { // Full backup strategy bm.strategies["full"] = BackupStrategy{ ID: "full", Name: "Full Backup", Description: "Complete backup of all data", Type: "full", Paths: []string{"/var/lib/debian-forge", "/etc/debian-forge", "/opt/debian-forge"}, Exclude: []string{"*.tmp", "*.log", "*.cache"}, Compression: true, Encryption: false, Enabled: true, } // Incremental backup strategy bm.strategies["incremental"] = BackupStrategy{ ID: "incremental", Name: "Incremental Backup", Description: "Backup of changed files only", Type: "incremental", Paths: []string{"/var/lib/debian-forge"}, Exclude: []string{"*.tmp", "*.log"}, Compression: true, Encryption: false, Enabled: true, } // Configuration backup strategy bm.strategies["config"] = BackupStrategy{ ID: "config", Name: "Configuration Backup", Description: "Backup of configuration files only", Type: "config", Paths: []string{"/etc/debian-forge"}, Exclude: []string{}, Compression: true, Encryption: true, Enabled: true, } } func (rm *RecoveryManager) initializeProcedures() { // Database recovery procedure rm.procedures["database_recovery"] = RecoveryProcedure{ ID: "database_recovery", Name: "Database Recovery", Description: "Recover database from backup", Type: "database", Steps: []RecoveryStep{ { ID: "stop_services", Name: "Stop Services", Description: "Stop all services that use the database", Command: "systemctl", Args: []string{"stop", "debian-forge"}, Timeout: 30 * time.Second, Rollback: "systemctl start debian-forge", }, { ID: "restore_database", Name: "Restore Database", Description: "Restore database from backup file", Command: "pg_restore", Args: []string{"--clean", "--if-exists", "--dbname=debian_forge"}, Timeout: 300 * time.Second, Rollback: "restore_previous_database", }, { ID: "start_services", Name: "Start Services", Description: "Start all services", Command: "systemctl", Args: []string{"start", "debian-forge"}, Timeout: 60 * time.Second, Rollback: "systemctl stop debian-forge", }, }, Prerequisites: []string{"backup_file_exists", "database_stopped"}, EstimatedTime: 10 * time.Minute, RiskLevel: "medium", Enabled: true, } // File system recovery procedure rm.procedures["filesystem_recovery"] = RecoveryProcedure{ ID: "filesystem_recovery", Name: "File System Recovery", Description: "Recover file system from backup", Type: "filesystem", Steps: []RecoveryStep{ { ID: "mount_backup", Name: "Mount Backup", Description: "Mount backup volume", Command: "mount", Args: []string{"/dev/backup", "/mnt/backup"}, Timeout: 30 * time.Second, Rollback: "umount /mnt/backup", }, { ID: "restore_files", Name: "Restore Files", Description: "Restore files from backup", Command: "rsync", Args: []string{"-av", "--delete", "/mnt/backup/", "/var/lib/debian-forge/"}, Timeout: 600 * time.Second, Rollback: "restore_from_previous_backup", }, }, Prerequisites: []string{"backup_volume_available", "sufficient_space"}, EstimatedTime: 15 * time.Minute, RiskLevel: "low", Enabled: true, } } func (rm *RecoveryManager) initializePlans() { // Critical recovery plan rm.plans["critical"] = RecoveryPlan{ ID: "critical", Name: "Critical Recovery Plan", Description: "Recovery plan for critical system failures", Procedures: []string{"database_recovery", "filesystem_recovery"}, Priority: "critical", RTO: 1 * time.Hour, RPO: 15 * time.Minute, Enabled: true, } // Standard recovery plan rm.plans["standard"] = RecoveryPlan{ ID: "standard", Name: "Standard Recovery Plan", Description: "Standard recovery plan for normal operations", Procedures: []string{"filesystem_recovery"}, Priority: "normal", RTO: 4 * time.Hour, RPO: 1 * time.Hour, Enabled: true, } } func (rt *RecoveryTesting) initializeScenarios() { // Database recovery test rt.scenarios["database_recovery_test"] = TestScenario{ ID: "database_recovery_test", Name: "Database Recovery Test", Description: "Test database recovery procedure", Type: "recovery", Steps: []TestStep{ { ID: "create_test_data", Name: "Create Test Data", Description: "Create test data in database", Action: "create_test_records", Parameters: map[string]interface{}{"count": 100}, Validation: "verify_test_data_exists", }, { ID: "simulate_failure", Name: "Simulate Failure", Description: "Simulate database failure", Action: "corrupt_database", Parameters: map[string]interface{}{"severity": "medium"}, Validation: "verify_database_corrupted", }, { ID: "execute_recovery", Name: "Execute Recovery", Description: "Execute recovery procedure", Action: "run_recovery_procedure", Parameters: map[string]interface{}{"procedure": "database_recovery"}, Validation: "verify_database_recovered", }, }, Expected: map[string]interface{}{ "recovery_time": "10m", "data_integrity": "100%", "service_availability": "100%", }, Enabled: true, } } func (bm *BackupManager) CreateBackup(strategyID string) (*BackupJob, error) { bm.logger.Infof("Creating backup using strategy: %s", strategyID) strategy, exists := bm.strategies[strategyID] if !exists { return nil, fmt.Errorf("backup strategy not found: %s", strategyID) } if !strategy.Enabled { return nil, fmt.Errorf("backup strategy is disabled: %s", strategyID) } // Create backup job job := &BackupJob{ ID: generateBackupID(), StrategyID: strategyID, Status: "running", StartTime: time.Now(), Metadata: make(map[string]interface{}), } // Execute backup if err := bm.executeBackup(job, strategy); err != nil { job.Status = "failed" job.Error = err.Error() job.EndTime = time.Now() job.Duration = job.EndTime.Sub(job.StartTime) return job, fmt.Errorf("backup execution failed: %w", err) } job.Status = "completed" job.EndTime = time.Now() job.Duration = job.EndTime.Sub(job.StartTime) bm.logger.Infof("Backup completed successfully: %s", job.ID) return job, nil } func (bm *BackupManager) executeBackup(job *BackupJob, strategy BackupStrategy) error { // Create backup directory backupDir := filepath.Join(bm.storage.path, job.ID) if err := os.MkdirAll(backupDir, 0755); err != nil { return fmt.Errorf("failed to create backup directory: %w", err) } // Create tar archive archivePath := filepath.Join(backupDir, "backup.tar") if strategy.Compression { archivePath += ".gz" } // Create archive if err := bm.createArchive(archivePath, strategy.Paths, strategy.Exclude, strategy.Compression); err != nil { return fmt.Errorf("failed to create archive: %w", err) } // Get file size if fileInfo, err := os.Stat(archivePath); err == nil { job.Size = fileInfo.Size() } // Calculate checksum if checksum, err := bm.calculateChecksum(archivePath); err == nil { job.Checksum = checksum } job.Path = archivePath // Store backup job return bm.storage.storeBackupJob(job) } func (bm *BackupManager) createArchive(archivePath string, paths []string, exclude []string, compression bool) error { // Create archive file file, err := os.Create(archivePath) if err != nil { return fmt.Errorf("failed to create archive file: %w", err) } defer file.Close() var writer io.Writer = file // Add compression if enabled if compression { gzipWriter := gzip.NewWriter(file) defer gzipWriter.Close() writer = gzipWriter } // Create tar writer tarWriter := tar.NewWriter(writer) defer tarWriter.Close() // Add files to archive for _, path := range paths { if err := bm.addPathToArchive(tarWriter, path, exclude); err != nil { return fmt.Errorf("failed to add path to archive: %w", err) } } return nil } func (bm *BackupManager) addPathToArchive(tarWriter *tar.Writer, path string, exclude []string) error { return filepath.Walk(path, func(filePath string, info os.FileInfo, err error) error { if err != nil { return err } // Check if file should be excluded if bm.shouldExclude(filePath, exclude) { return nil } // Create tar header header, err := tar.FileInfoHeader(info, filePath) if err != nil { return err } // Use relative path header.Name = strings.TrimPrefix(filePath, "/") // Write header if err := tarWriter.WriteHeader(header); err != nil { return err } // Write file content if it's a regular file if !info.IsDir() { file, err := os.Open(filePath) if err != nil { return err } defer file.Close() if _, err := io.Copy(tarWriter, file); err != nil { return err } } return nil }) } func (bm *BackupManager) shouldExclude(filePath string, exclude []string) bool { for _, pattern := range exclude { if strings.Contains(filePath, pattern) { return true } } return false } func (bm *BackupManager) calculateChecksum(filePath string) (string, error) { file, err := os.Open(filePath) if err != nil { return "", err } defer file.Close() hash := sha256.New() if _, err := io.Copy(hash, file); err != nil { return "", err } return fmt.Sprintf("%x", hash.Sum(nil)), nil } func (rm *RecoveryManager) ExecuteRecovery(planID string, backupID string) error { rm.logger.Infof("Executing recovery plan: %s with backup: %s", planID, backupID) plan, exists := rm.plans[planID] if !exists { return fmt.Errorf("recovery plan not found: %s", planID) } if !plan.Enabled { return fmt.Errorf("recovery plan is disabled: %s", planID) } // Execute each procedure in the plan for _, procedureID := range plan.Procedures { procedure, exists := rm.procedures[procedureID] if !exists { rm.logger.Warnf("Recovery procedure not found: %s", procedureID) continue } if err := rm.executeProcedure(procedure, backupID); err != nil { return fmt.Errorf("recovery procedure failed: %w", err) } } rm.logger.Infof("Recovery plan completed successfully: %s", planID) return nil } func (rm *RecoveryManager) executeProcedure(procedure RecoveryProcedure, backupID string) error { rm.logger.Infof("Executing recovery procedure: %s", procedure.ID) // Check prerequisites if err := rm.checkPrerequisites(procedure.Prerequisites); err != nil { return fmt.Errorf("prerequisites not met: %w", err) } // Execute each step for _, step := range procedure.Steps { if err := rm.executeStep(step); err != nil { return fmt.Errorf("step failed: %s - %w", step.ID, err) } } return nil } func (rm *RecoveryManager) checkPrerequisites(prerequisites []string) error { // This is a placeholder for prerequisite checking // In production, implement actual prerequisite validation return nil } func (rm *RecoveryManager) executeStep(step RecoveryStep) error { rm.logger.Infof("Executing recovery step: %s", step.ID) // This is a placeholder for step execution // In production, implement actual step execution logic rm.logger.Infof("Step %s completed: %s", step.ID, step.Description) return nil } func (rt *RecoveryTesting) RunTest(scenarioID string) (*TestResult, error) { rt.logger.Infof("Running recovery test scenario: %s", scenarioID) scenario, exists := rt.scenarios[scenarioID] if !exists { return nil, fmt.Errorf("test scenario not found: %s", scenarioID) } if !scenario.Enabled { return nil, fmt.Errorf("test scenario is disabled: %s", scenarioID) } // Create test result result := &TestResult{ ID: generateTestID(), ScenarioID: scenarioID, Status: "running", StartTime: time.Now(), Results: make(map[string]interface{}), Metadata: make(map[string]interface{}), } // Execute test scenario if err := rt.executeScenario(scenario, result); err != nil { result.Status = "failed" result.Error = err.Error() result.EndTime = time.Now() result.Duration = result.EndTime.Sub(result.StartTime) return result, fmt.Errorf("test scenario failed: %w", err) } result.Status = "completed" result.EndTime = time.Now() result.Duration = result.EndTime.Sub(result.StartTime) // Store test result rt.results[result.ID] = *result rt.logger.Infof("Test scenario completed successfully: %s", scenarioID) return result, nil } func (rt *RecoveryTesting) executeScenario(scenario TestScenario, result *TestResult) error { rt.logger.Infof("Executing test scenario: %s", scenario.ID) // Execute each test step for _, step := range scenario.Steps { if err := rt.executeTestStep(step, result); err != nil { return fmt.Errorf("test step failed: %s - %w", step.ID, err) } } // Validate results against expected outcomes if err := rt.validateResults(scenario.Expected, result.Results); err != nil { return fmt.Errorf("test validation failed: %w", err) } return nil } func (rt *RecoveryTesting) executeTestStep(step TestStep, result *TestResult) error { rt.logger.Infof("Executing test step: %s", step.ID) // This is a placeholder for test step execution // In production, implement actual test step execution logic result.Results[step.ID] = map[string]interface{}{ "status": "completed", "message": step.Description, } return nil } func (rt *RecoveryTesting) validateResults(expected map[string]interface{}, actual map[string]interface{}) error { // This is a placeholder for result validation // In production, implement actual validation logic return nil } // BackupStorage methods func (bs *BackupStorage) storeBackupJob(job *BackupJob) error { bs.mu.Lock() defer bs.mu.Unlock() // Create data directory if it doesn't exist if err := os.MkdirAll(bs.path, 0755); err != nil { return fmt.Errorf("failed to create data directory: %w", err) } // Store backup job with timestamp timestamp := job.StartTime.Format("2006-01-02_15-04-05") filename := filepath.Join(bs.path, fmt.Sprintf("backup_job_%s_%s.json", job.ID, timestamp)) data, err := json.MarshalIndent(job, "", " ") if err != nil { return fmt.Errorf("failed to marshal backup job: %w", err) } if err := os.WriteFile(filename, data, 0644); err != nil { return fmt.Errorf("failed to write backup job: %w", err) } return nil } // Helper functions func generateBackupID() string { return fmt.Sprintf("backup-%d", time.Now().UnixNano()) } func generateTestID() string { return fmt.Sprintf("test-%d", time.Now().UnixNano()) }