feat:DB 트리거 기반 데이터 변경 추적 시스템 구현

Phase 1: DB 기반 구축
- trigger_audit_logs 테이블 (RANGE 파티셔닝 15개, 3개 인덱스)
- 789개 MySQL AFTER 트리거 (263 테이블 × INSERT/UPDATE/DELETE)
- SetAuditSessionVariables 미들웨어 (@sam_actor_id, @sam_session_info)

Phase 2: 복구 메커니즘
- TriggerAuditLog 모델, TriggerAuditLogService, AuditRollbackService
- 6개 API 엔드포인트 (index, show, stats, history, rollback-preview, rollback)
- FormRequest 검증 (TriggerAuditLogIndexRequest, TriggerAuditRollbackRequest)

Phase 3: 관리 도구
- v_unified_audit VIEW (APP + TRIGGER 통합, COLLATE 처리)
- audit:partitions 커맨드 (파티션 추가/삭제, dry-run)
- audit:triggers 커맨드 (트리거 재생성, 테이블별/전체)
- 월 1회 파티션 자동 관리 스케줄러 등록

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-09 09:17:15 +09:00
parent ee6794be1a
commit d07bad16df
16 changed files with 1167 additions and 1 deletions

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<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Support\Facades\DB;
return new class extends Migration
{
public function up(): void
{
// 파티셔닝은 Schema::create에서 지원하지 않으므로 raw SQL 사용
DB::statement("
CREATE TABLE trigger_audit_logs (
id BIGINT UNSIGNED AUTO_INCREMENT,
table_name VARCHAR(64) NOT NULL COMMENT '변경된 테이블명',
row_id VARCHAR(64) NOT NULL COMMENT '변경된 레코드 PK',
dml_type ENUM('INSERT','UPDATE','DELETE') NOT NULL COMMENT 'DML 유형',
old_values JSON DEFAULT NULL COMMENT '변경 전 값 (INSERT시 NULL)',
new_values JSON DEFAULT NULL COMMENT '변경 후 값 (DELETE시 NULL)',
changed_columns JSON DEFAULT NULL COMMENT 'UPDATE시 변경된 컬럼 목록',
tenant_id BIGINT UNSIGNED DEFAULT NULL COMMENT '테넌트 ID',
actor_id BIGINT UNSIGNED DEFAULT NULL COMMENT '사용자 ID (세션변수)',
session_info VARCHAR(500) DEFAULT NULL COMMENT '세션 정보 JSON (IP, UA 등)',
db_user VARCHAR(100) DEFAULT NULL COMMENT 'CURRENT_USER()',
created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '변경 시각',
PRIMARY KEY (id, created_at)
) ENGINE=InnoDB
DEFAULT CHARSET=utf8mb4
COLLATE=utf8mb4_unicode_ci
COMMENT='DB 트리거 기반 데이터 변경 추적'
PARTITION BY RANGE (UNIX_TIMESTAMP(created_at)) (
PARTITION p202601 VALUES LESS THAN (UNIX_TIMESTAMP('2026-02-01')),
PARTITION p202602 VALUES LESS THAN (UNIX_TIMESTAMP('2026-03-01')),
PARTITION p202603 VALUES LESS THAN (UNIX_TIMESTAMP('2026-04-01')),
PARTITION p202604 VALUES LESS THAN (UNIX_TIMESTAMP('2026-05-01')),
PARTITION p202605 VALUES LESS THAN (UNIX_TIMESTAMP('2026-06-01')),
PARTITION p202606 VALUES LESS THAN (UNIX_TIMESTAMP('2026-07-01')),
PARTITION p202607 VALUES LESS THAN (UNIX_TIMESTAMP('2026-08-01')),
PARTITION p202608 VALUES LESS THAN (UNIX_TIMESTAMP('2026-09-01')),
PARTITION p202609 VALUES LESS THAN (UNIX_TIMESTAMP('2026-10-01')),
PARTITION p202610 VALUES LESS THAN (UNIX_TIMESTAMP('2026-11-01')),
PARTITION p202611 VALUES LESS THAN (UNIX_TIMESTAMP('2026-12-01')),
PARTITION p202612 VALUES LESS THAN (UNIX_TIMESTAMP('2027-01-01')),
PARTITION p202701 VALUES LESS THAN (UNIX_TIMESTAMP('2027-02-01')),
PARTITION p202702 VALUES LESS THAN (UNIX_TIMESTAMP('2027-03-01')),
PARTITION p_future VALUES LESS THAN MAXVALUE
)
");
// 조회 성능 인덱스
DB::statement("
CREATE INDEX ix_trig_table_row_created
ON trigger_audit_logs (table_name, row_id, created_at)
");
DB::statement("
CREATE INDEX ix_trig_tenant_created
ON trigger_audit_logs (tenant_id, created_at)
");
DB::statement("
CREATE INDEX ix_trig_dml_created
ON trigger_audit_logs (dml_type, created_at)
");
}
public function down(): void
{
DB::statement('DROP TABLE IF EXISTS trigger_audit_logs');
}
};

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<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Support\Facades\DB;
/**
* 전체 대상 테이블에 AFTER INSERT/UPDATE/DELETE 트리거를 자동 생성
*
* MySQL은 CREATE TRIGGER를 PREPARE/EXECUTE로 실행할 수 없으므로
* SP 대신 PHP에서 INFORMATION_SCHEMA를 읽고 DDL을 직접 실행한다.
*/
return new class extends Migration
{
/** 트리거 미적용 테이블 */
private array $excludeTables = [
'audit_logs',
'trigger_audit_logs',
'personal_access_tokens',
'sessions',
'cache',
'cache_locks',
'jobs',
'job_batches',
'failed_jobs',
'migrations',
'password_reset_tokens',
];
/** 변경 추적 제외 컬럼 */
private array $excludeColumns = [
'created_at',
'updated_at',
'deleted_at',
'remember_token',
];
public function up(): void
{
$dbName = DB::getDatabaseName();
// 대상 테이블 조회
$tables = DB::select("
SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = ?
AND TABLE_TYPE = 'BASE TABLE'
AND TABLE_NAME NOT LIKE 'telescope\\_%'
ORDER BY TABLE_NAME
", [$dbName]);
$created = 0;
$skipped = 0;
foreach ($tables as $tableRow) {
$tableName = $tableRow->TABLE_NAME;
if (in_array($tableName, $this->excludeTables, true)) {
$skipped++;
continue;
}
try {
$this->createTriggersForTable($dbName, $tableName);
$created++;
} catch (\Throwable $e) {
// 개별 테이블 실패 시 로그 남기고 계속 진행
logger()->warning("Audit trigger creation failed for {$tableName}: {$e->getMessage()}");
$skipped++;
}
}
logger()->info("Audit triggers: {$created} tables processed, {$skipped} skipped");
}
public function down(): void
{
$dbName = DB::getDatabaseName();
$triggers = DB::select("
SELECT TRIGGER_NAME
FROM INFORMATION_SCHEMA.TRIGGERS
WHERE TRIGGER_SCHEMA = ?
AND (TRIGGER_NAME LIKE 'trg\\_%\\_ai'
OR TRIGGER_NAME LIKE 'trg\\_%\\_au'
OR TRIGGER_NAME LIKE 'trg\\_%\\_ad')
", [$dbName]);
foreach ($triggers as $trigger) {
DB::unprepared("DROP TRIGGER IF EXISTS `{$trigger->TRIGGER_NAME}`");
}
}
private function createTriggersForTable(string $dbName, string $tableName): void
{
// PK 컬럼 확인
$pkRow = DB::selectOne("
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? AND COLUMN_KEY = 'PRI'
ORDER BY ORDINAL_POSITION LIMIT 1
", [$dbName, $tableName]);
if (! $pkRow) {
return; // PK 없으면 스킵
}
$pk = $pkRow->COLUMN_NAME;
// 컬럼 목록 (제외 컬럼 필터링)
$columns = DB::select("
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ?
ORDER BY ORDINAL_POSITION
", [$dbName, $tableName]);
$cols = [];
$hasTenantId = false;
foreach ($columns as $col) {
if ($col->COLUMN_NAME === 'tenant_id') {
$hasTenantId = true;
}
if (! in_array($col->COLUMN_NAME, $this->excludeColumns, true)) {
$cols[] = $col->COLUMN_NAME;
}
}
if (empty($cols)) {
return;
}
// JSON_OBJECT 구문 조립
$jsonNew = implode(',', array_map(fn ($c) => "'{$c}', NEW.`{$c}`", $cols));
$jsonOld = implode(',', array_map(fn ($c) => "'{$c}', OLD.`{$c}`", $cols));
// UPDATE 변경 감지 조건
$changeCheck = implode(' OR ', array_map(
fn ($c) => "NOT(OLD.`{$c}` <=> NEW.`{$c}`)",
$cols
));
// changed_columns 배열 (변경된 컬럼명만)
$changedCols = implode(',', array_map(
fn ($c) => "IF(NOT(OLD.`{$c}` <=> NEW.`{$c}`),'{$c}',NULL)",
$cols
));
$tenantNew = $hasTenantId ? "NEW.`tenant_id`" : 'NULL';
$tenantOld = $hasTenantId ? "OLD.`tenant_id`" : 'NULL';
// 기존 트리거 삭제
DB::unprepared("DROP TRIGGER IF EXISTS `trg_{$tableName}_ai`");
DB::unprepared("DROP TRIGGER IF EXISTS `trg_{$tableName}_au`");
DB::unprepared("DROP TRIGGER IF EXISTS `trg_{$tableName}_ad`");
// AFTER INSERT
DB::unprepared("
CREATE TRIGGER `trg_{$tableName}_ai` AFTER INSERT ON `{$tableName}`
FOR EACH ROW
BEGIN
IF @disable_audit_trigger IS NULL OR @disable_audit_trigger != 1 THEN
INSERT INTO trigger_audit_logs
(table_name, row_id, dml_type, old_values, new_values, tenant_id, actor_id, session_info, db_user, created_at)
VALUES
('{$tableName}', CAST(NEW.`{$pk}` AS CHAR), 'INSERT', NULL,
JSON_OBJECT({$jsonNew}),
{$tenantNew}, @sam_actor_id, @sam_session_info, CURRENT_USER(), NOW());
END IF;
END
");
// AFTER UPDATE (변경 있을 때만)
DB::unprepared("
CREATE TRIGGER `trg_{$tableName}_au` AFTER UPDATE ON `{$tableName}`
FOR EACH ROW
BEGIN
IF @disable_audit_trigger IS NULL OR @disable_audit_trigger != 1 THEN
IF {$changeCheck} THEN
INSERT INTO trigger_audit_logs
(table_name, row_id, dml_type, old_values, new_values, changed_columns, tenant_id, actor_id, session_info, db_user, created_at)
VALUES
('{$tableName}', CAST(NEW.`{$pk}` AS CHAR), 'UPDATE',
JSON_OBJECT({$jsonOld}),
JSON_OBJECT({$jsonNew}),
JSON_ARRAY({$changedCols}),
{$tenantNew}, @sam_actor_id, @sam_session_info, CURRENT_USER(), NOW());
END IF;
END IF;
END
");
// AFTER DELETE
DB::unprepared("
CREATE TRIGGER `trg_{$tableName}_ad` AFTER DELETE ON `{$tableName}`
FOR EACH ROW
BEGIN
IF @disable_audit_trigger IS NULL OR @disable_audit_trigger != 1 THEN
INSERT INTO trigger_audit_logs
(table_name, row_id, dml_type, old_values, new_values, tenant_id, actor_id, session_info, db_user, created_at)
VALUES
('{$tableName}', CAST(OLD.`{$pk}` AS CHAR), 'DELETE',
JSON_OBJECT({$jsonOld}), NULL,
{$tenantOld}, @sam_actor_id, @sam_session_info, CURRENT_USER(), NOW());
END IF;
END
");
}
};

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<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Support\Facades\DB;
return new class extends Migration
{
public function up(): void
{
DB::statement('DROP VIEW IF EXISTS v_unified_audit');
// connection charset이 latin1일 수 있으므로 COLLATE를 명시적으로 지정
$collate = 'utf8mb4_unicode_ci';
DB::statement("
CREATE VIEW v_unified_audit AS
-- Layer 1: Laravel Auditable (앱 레벨 감사)
SELECT
CONCAT('app_', id) COLLATE {$collate} AS uid,
'APP' COLLATE {$collate} AS source,
tenant_id,
target_type COLLATE {$collate} AS table_name,
CAST(target_id AS CHAR(64)) COLLATE {$collate} AS row_id,
UPPER(action) COLLATE {$collate} AS action,
`before` AS old_values,
`after` AS new_values,
CAST(NULL AS JSON) AS changed_columns,
actor_id,
ip COLLATE {$collate} AS ip_address,
ua COLLATE {$collate} AS user_agent,
CAST(NULL AS CHAR(100)) COLLATE {$collate} AS db_user,
created_at
FROM audit_logs
UNION ALL
-- Layer 2: MySQL Trigger Audit (DB 레벨 감사)
SELECT
CONCAT('trg_', id) COLLATE {$collate} AS uid,
'TRIGGER' COLLATE {$collate} AS source,
tenant_id,
table_name COLLATE {$collate},
row_id COLLATE {$collate},
CAST(dml_type AS CHAR(10)) COLLATE {$collate} AS action,
old_values,
new_values,
changed_columns,
actor_id,
CAST(JSON_UNQUOTE(JSON_EXTRACT(session_info, '$.ip')) AS CHAR(45)) COLLATE {$collate} AS ip_address,
CAST(JSON_UNQUOTE(JSON_EXTRACT(session_info, '$.ua')) AS CHAR(255)) COLLATE {$collate} AS user_agent,
db_user COLLATE {$collate},
created_at
FROM trigger_audit_logs
");
}
public function down(): void
{
DB::statement('DROP VIEW IF EXISTS v_unified_audit');
}
};