Add gomftctl CLI tool and encryption key rotation utilities

internal/encryption/rotationmodel/rotation_types.go

@@ -0,0 +1,52 @@
+package rotationmodel
+
+import (
+	"time"
+)
+
+// RotationStats represents statistics about the key rotation process
+type RotationStats struct {
+	TotalRecords     int           `json:"total_records"`
+	ProcessedRecords int           `json:"processed_records"`
+	SkippedRecords   int           `json:"skipped_records"`
+	FailedRecords    int           `json:"failed_records"`
+	ElapsedTime      time.Duration `json:"elapsed_time"`
+	StartTime        time.Time     `json:"start_time"`
+	EndTime          time.Time     `json:"end_time"`
+	Errors           []string      `json:"errors,omitempty"`
+}
+
+// RotationOptions contains configuration for the key rotation process
+type RotationOptions struct {
+	// DryRun performs all operations but doesn't save changes to database
+	DryRun bool
+	// BatchSize sets the number of records to process in each batch
+	BatchSize int
+	// MaxErrors sets the threshold of errors before aborting
+	MaxErrors int
+	// Parallelism controls how many models are processed in parallel
+	Parallelism int
+	// Timeout specifies a maximum duration for the entire operation
+	Timeout time.Duration
+	// WorkerTimeout specifies maximum duration for a single batch
+	WorkerTimeout time.Duration
+	// ProgressCallback receives updates on rotation progress
+	ProgressCallback func(modelName string, processed, total int)
+}
+
+// EncryptionMigrationPlan contains the complete plan for migration
+type EncryptionMigrationPlan struct {
+	ModelPlans         map[string]*ModelMigrationPlan `json:"model_plans"`
+	EstimatedDuration  time.Duration                  `json:"estimated_duration"`
+	EstimatedRecords   int                            `json:"estimated_records"`
+	RecommendedOptions RotationOptions                `json:"recommended_options"`
+}
+
+// ModelMigrationPlan contains migration details for a specific model
+type ModelMigrationPlan struct {
+	ModelName       string        `json:"model_name"`
+	RecordCount     int           `json:"record_count"`
+	EstimatedTime   time.Duration `json:"estimated_time"`
+	EncryptedFields []string      `json:"encrypted_fields"`
+	BatchSizeRec    int           `json:"batch_size_recommendation"`
+}