feat: Refactor monolith to microservices architecture

axhub-common/build.gradle

@@ -0,0 +1,34 @@
+plugins {
+    id 'java-library'
+}
+
+dependencies {
+    api 'org.springframework.boot:spring-boot-starter-web'
+    api 'org.springframework.boot:spring-boot-starter-data-redis'
+    
+    api 'io.github.resilience4j:resilience4j-spring-boot3:2.2.0'
+    api 'io.github.resilience4j:resilience4j-core:2.2.0'
+    api 'io.github.resilience4j:resilience4j-circuitbreaker:2.2.0'
+    api 'io.github.resilience4j:resilience4j-ratelimiter'
+    api 'io.github.resilience4j:resilience4j-retry:2.2.0'
+    api 'org.springframework.boot:spring-boot-starter-aop:3.3.0'
+
+    api 'org.springframework.boot:spring-boot-starter-jdbc'
+    api 'org.mybatis.spring.boot:mybatis-spring-boot-starter:3.0.3'
+    api 'com.h2database:h2'
+    api 'p6spy:p6spy:3.9.1'
+    api 'io.lettuce:lettuce-core:6.6.0.RELEASE'
+
+    api "org.mapstruct:mapstruct:1.5.5.Final"
+    
+    api 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.17.1'
+    api 'com.fasterxml.jackson.core:jackson-databind:2.17.1'
+    api 'com.networknt:json-schema-validator:1.4.0'
+    api 'org.springframework.kafka:spring-kafka:3.2.0'
+    api 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.5.0'
+}
+
+dependencies {
+    compileOnly 'org.projectlombok:lombok:1.18.32'
+    annotationProcessor 'org.projectlombok:lombok:1.18.32'
+}

axhub-gateway/build.gradle

@@ -0,0 +1,29 @@
+plugins {
+    id 'org.springframework.boot'
+}
+
+dependencies {
+    implementation project(':axhub-common')
+    
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-data-redis'
+    
+    // MyBatis & DB
+    implementation 'org.springframework.boot:spring-boot-starter-jdbc'
+    implementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter:3.0.3'
+    runtimeOnly 'com.h2database:h2'
+    implementation 'p6spy:p6spy:3.9.1'
+    
+    // MapStruct
+    implementation "org.mapstruct:mapstruct:1.5.5.Final"
+    annotationProcessor "org.projectlombok:lombok-mapstruct-binding:0.2.0"
+    annotationProcessor "org.mapstruct:mapstruct-processor:1.5.5.Final"
+
+    implementation 'com.networknt:json-schema-validator:1.4.0'
+    implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.5.0'
+}
+
+dependencies {
+    compileOnly 'org.projectlombok:lombok:1.18.32'
+    annotationProcessor 'org.projectlombok:lombok:1.18.32'
+}

axhub-gateway/src/main/java/io/shinhanlife/axhub/biz/mcp/gateway/AxHubGatewayApplication.java

@@ -0,0 +1,13 @@
+package io.shinhanlife.axhub.biz.mcp.gateway;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cache.annotation.EnableCaching;
+
+@SpringBootApplication
+@EnableCaching
+public class AxHubGatewayApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(AxHubGatewayApplication.class, args);
+    }
+}

axhub-gateway/src/main/java/io/shinhanlife/axhub/biz/mcp/gateway/controller/McpRouterController.java

@@ -1,12 +1,9 @@
 package io.shinhanlife.axhub.biz.mcp.gateway.controller;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import io.shinhanlife.axhub.biz.mcp.adapter.connector.LegacyEimsConnector;
-import io.shinhanlife.axhub.biz.mcp.adapter.connector.ThirdPartySecurityConnector;
 import io.shinhanlife.axhub.biz.mcp.adapter.dto.JsonRpcRequest;
 import io.shinhanlife.axhub.biz.mcp.adapter.dto.JsonRpcResponse;
 import io.shinhanlife.axhub.biz.mcp.adapter.dto.Params;
-import io.shinhanlife.axhub.biz.mcp.adapter.util.PiiMaskingUtils;
 import io.shinhanlife.axhub.biz.mcp.gateway.dto.ToolMetadata;
 import io.shinhanlife.axhub.biz.mcp.gateway.service.ExecuteService;
 import io.shinhanlife.axhub.biz.mcp.gateway.registry.RedisRegistryService;
@@ -15,7 +12,7 @@ import io.shinhanlife.axhub.common.mcp.security.SecurityProperties;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.web.client.ResourceAccessException;
+import org.springframework.web.client.RestTemplate;
 
 import java.util.Map;
 import java.util.UUID;
@@ -32,85 +29,19 @@ public class McpRouterController {
     private final RedisRegistryService redisRegistryService;
     private final ExecuteService executeService;
     private final SecurityProperties securityProperties;
-    private final LegacyEimsConnector legacyEimsConnector;
-    private final ThirdPartySecurityConnector thirdPartySecurityConnector;
     private final ObjectMapper objectMapper;
+    private final RestTemplate restTemplate = new RestTemplate();
 
-    // 생성자 주입
     public McpRouterController(RedisRegistryService redisRegistryService,
                                ExecuteService executeService,
                                SecurityProperties securityProperties,
-                               LegacyEimsConnector legacyEimsConnector,
-                               ThirdPartySecurityConnector thirdPartySecurityConnector,
                                ObjectMapper objectMapper) {
         this.redisRegistryService = redisRegistryService;
         this.executeService = executeService;
         this.securityProperties = securityProperties;
-        this.legacyEimsConnector = legacyEimsConnector;
-        this.thirdPartySecurityConnector = thirdPartySecurityConnector;
         this.objectMapper = objectMapper;
     }
 
-    @Operation(summary = "Adapter 툴 실행 라우팅 (로컬 모듈화)", description = "AI Agent의 요청을 받아 직접 레거시 시스템을 호출합니다.")
-    @PostMapping("/execute-tool")
-    public ResponseEntity<Map<String, Object>> routeToPreBuildTool(@RequestBody Map<String, Object> agentPayload) {
-        String trackId = UUID.randomUUID().toString();
-        log.info("[{}]  AI Agent로부터 툴 실행 요청 수신 완료", trackId);
-        log.info("[{}]  AI Agent가 보낸 원본 payload: {}", trackId, agentPayload);
-
-        try {
-            // 1. 요청 파싱 (Map -> JsonRpcRequest)
-            agentPayload.put("id", trackId);
-            JsonRpcRequest request = objectMapper.convertValue(agentPayload, JsonRpcRequest.class);
-            Params params = request.getParams();
-
-            if (params == null) {
-                throw new IllegalArgumentException("Invalid params: params 객체가 비어있습니다.");
-            }
-
-            String routingType = params.getRoutingType();
-            String interfaceId = params.getInterfaceId();
-
-            // 2. 라우터 실행 (분기 처리) - HTTP 통신 없이 직접 호출!
-            String executionResult;
-            if (interfaceId != null && (interfaceId.startsWith("DRM_") || interfaceId.startsWith("BM_"))) {
-                executionResult = thirdPartySecurityConnector.executeSecurityModule(interfaceId, params.getData());
-            } else {
-                executionResult = legacyEimsConnector.executeByTool(routingType, interfaceId, params.getData(), params.getSpec());
-            }
-
-            // 3. PII 마스킹
-            String maskedResult = PiiMaskingUtils.mask(executionResult);
-
-            // 4. 응답 조립 (JsonRpcResponse -> Map)
-            JsonRpcResponse response = new JsonRpcResponse();
-            response.setId(trackId);
-            response.setResult(maskedResult);
-            
-            Map<String, Object> rpcResponse = objectMapper.convertValue(response, Map.class);
-            log.info("[{}]  로컬 Adapter 처리 성공", trackId);
-            
-            return ResponseEntity.ok(rpcResponse);
-
-        } catch (ResourceAccessException e) {
-            log.error("[{}]  Adapter 시스템 응답 시간 초과 (Timeout) 발생! 사유: {}", trackId, e.getMessage());
-            return ResponseEntity.status(504).body(Map.of(
-                    "jsonrpc", "2.0",
-                    "error", Map.of("code", -32603, "message", "인터페이스 서버 연결 시간 초과 (Timeout)"),
-                    "id", trackId
-            ));
-
-        } catch (Exception e) {
-            log.error("[{}]  시스템 예외 에러 발생: {}", trackId, e.getMessage());
-            return ResponseEntity.internalServerError().body(Map.of(
-                    "jsonrpc", "2.0",
-                    "error", Map.of("code", -32000, "message", "내부 게이트웨이 서버 오류: " + e.getMessage()),
-                    "id", trackId
-            ));
-        }
-    }
-
-    // 1. [신규] 표준 MCP 파이프라인 호출 (가장 중요!)
     @Operation(summary = "MCP 파이프라인 호출", description = "MCP 표준 파이프라인(ExecuteService)을 통해 레거시 툴을 호출합니다.")
     @PostMapping("/tools/call")
     public ResponseEntity<Object> callTool(
@@ -120,7 +51,6 @@ public class McpRouterController {
             @RequestBody Map<String, Object> payload, 
             @RequestAttribute(value = "tenantId", required = false) String tenantId) {
             
-        // 메타데이터 주입
         java.util.Map<String, Object> meta = new java.util.HashMap<>();
         meta.put("traceId", traceId != null ? traceId : java.util.UUID.randomUUID().toString());
         meta.put("agentId", agentId != null ? agentId : "UNKNOWN");
@@ -128,21 +58,9 @@ public class McpRouterController {
         payload.put("meta", meta);
         
         log.info("[MCP 표준] ExecuteService 파이프라인을 통한 툴 호출 시작 (Tenant: {}, Trace: {})", tenantId, meta.get("traceId"));
-        if (payload != null) {
-            try {
-                log.info(" [Gateway] AI Agent 요청 파라미터: {}", objectMapper.writeValueAsString(payload));
-            } catch (Exception e) {
-                log.info(" [Gateway] AI Agent 요청 파라미터: {}", payload);
-            }
-        }
 
         try {
             Object result = executeService.execute(payload, tenantId);
-            try {
-                log.info("\n [MCP Gateway -> AI Agent] 최종 응답 반환: {}", objectMapper.writeValueAsString(result));
-            } catch (Exception e) {
-                log.info("\n [MCP Gateway -> AI Agent] 최종 응답 반환: {}", result);
-            }
             return ResponseEntity.ok(result);
         } catch (SecurityException se) {
             log.warn(" [보안 차단] 권한 오류: {}", se.getMessage());
@@ -153,7 +71,6 @@ public class McpRouterController {
         }
     }
 
-    // 2. 기존 표준 규격 메서드들 (유지 및 동적 Registry 반영)
     @GetMapping("/tools/list")
     public ResponseEntity<JsonRpcResponse> listTools() {
         List<ToolMetadata> activeTools = redisRegistryService.getAllTools();

axhub-gateway/src/main/java/io/shinhanlife/axhub/biz/mcp/gateway/dto/ToolMetadata.java

@@ -0,0 +1,52 @@
+package io.shinhanlife.axhub.biz.mcp.gateway.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Map;
+
+/**
+ * Tool(Agent)의 명세 및 라우팅 정보를 담고 있는 메타데이터 클래스
+ * Redis 레지스트리에 저장되며, Planner와 Router 간의 통신 객체(Plan)로 사용됩니다.
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class ToolMetadata {
+
+    // 1. Tool 기본 정보
+    private String toolName;          // 툴 고유 명칭 (예: CustomerSearchTool)
+    private String description;       // 툴의 목적 및 설명 (LLM 프롬프트에 활용 가능)
+
+    // 2. 파라미터 스키마 (JSON Schema 형태의 Map)
+    private Map<String, Object> parametersSchema;
+
+    // 2-0. 프론트엔드 UI용 함수별 프롬프트 매핑 (추가됨)
+    private Map<String, String> actionPrompts;
+
+    // 2-1. 도메인 부서 그룹명 (권한 관리에 사용)
+    private String domainGroup;
+
+    // 2-2. 툴 처리 엔드포인트 URI 경로 (예: /api/tool/customer-info)
+    private String endpoint;
+
+    // 2-3. Pod 실행 URL (독립적인 Microservice 라우팅용, 예: http://localhost:8082)
+    private String podUrl;
+
+    // 3. 연동 아키텍처 구분 (DIRECT / MCI_EAI)
+    private String integrationType;   // 연동 타입: "DIRECT" 또는 "MCI_EAI"
+
+    // 4. 레거시(MCI/EAI) 연동 시 필수 정보 (integrationType이 "MCI_EAI"일 때 사용)
+    private String mciServiceId;      // MCI/EAI 호출을 위한 서비스 ID (예: CRM_001, LICO_992)
+
+    // 5. 인프라 상태 정보 (DIRECT 연동 시 사용)
+    private Long lastHeartbeat;       // Redis TTL 갱신용 마지막 하트비트 타임스탬프
+
+    // 6. 동적 서킷 브레이커 & 속도 제어 설정 (Registry 기반)
+    private Integer failureRateThreshold; // 서킷 브레이커 동작 기준 실패율 (%)
+    private Integer slidingWindowSize;    // 서킷 브레이커 에러율 계산 표본 요청 수
+    private Integer rateLimitForPeriod;   // 속도 제어: 1초당 허용 최대 요청 수
+}

axhub-gateway/src/main/java/io/shinhanlife/axhub/biz/mcp/gateway/service/ExecuteService.java

@@ -1,60 +1,57 @@
 package io.shinhanlife.axhub.biz.mcp.gateway.service;
 
 import io.shinhanlife.axhub.biz.mcp.adapter.dto.Params;
+import io.shinhanlife.axhub.biz.mcp.gateway.dto.ToolMetadata;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.http.ResponseEntity;
 
-import io.shinhanlife.axhub.biz.mcp.gateway.router.RequestValidator;
-import io.shinhanlife.axhub.biz.mcp.gateway.router.ToolRouter;
-import io.shinhanlife.axhub.biz.mcp.gateway.router.ResponseAggregator;
-import io.shinhanlife.axhub.biz.mcp.gateway.client.ToolClient;
 import java.util.Map;
-import io.shinhanlife.axhub.biz.mcp.gateway.dto.ToolMetadata;
+import java.util.List;
 
 @Slf4j
 @Service
 @RequiredArgsConstructor
 public class ExecuteService {
 
-    // 파이프라인의 핵심 컴포넌트들
-    private final RequestValidator validator;
     private final ToolPlanner planner;
-    private final ToolRouter router;
-    private final ToolClient client;
-    private final ResponseAggregator aggregator;
     private final KillSwitchService killSwitchService;
+    private final RestTemplate restTemplate = new RestTemplate();
 
     public Object execute(Map<String, Object> payload, String tenantId) {
         log.info(" [ExecuteService] 전체 실행 흐름 제어 시작");
 
-        // [비상 차단 1단계] Agent 단위 차단 검사
         killSwitchService.checkAgent(tenantId);
 
-        // [비상 차단 2단계] Tool 단위 차단 검사
         Map<String, Object> params = payload.containsKey("params") ? (Map<String, Object>) payload.get("params") : null;
         String toolName = params != null ? (String) params.get("name") : (String) payload.get("toolName");
         killSwitchService.checkTool(toolName);
 
-        // 1. 검증 (Validator)
-        validator.validate(payload);
-
-        // 2. 실행 계획 생성 및 권한 검증 (Planner)
         var planObj = planner.createPlan(payload, tenantId);
         ToolMetadata plan = (ToolMetadata) planObj;
 
-        // [비상 차단 3단계] Route/Legacy 단위 차단 검사
         if (plan.getIntegrationType() != null) {
             killSwitchService.checkRoute(plan.getIntegrationType());
         }
 
-        // 3. 라우팅 (Router) - Redis의 Tool Registry 참조
-        var targetPod = router.route(plan);
+        // Dynamic Routing: Find the target Pod from the Redis registry
+        String targetUrl = "http://localhost:8082"; // Fallback
+        if (plan.getPodUrl() != null && !plan.getPodUrl().isEmpty()) {
+            targetUrl = plan.getPodUrl();
+        }
 
-        // 4. 실제 Tool 호출 (Client) - Retry/Timeout 포함 (동적 제어 적용)
-        var rawResponse = client.call(targetPod, payload, plan);
+        log.info(" [ExecuteService] 라우팅 목적지: {}", targetUrl);
+        String executeApiUrl = targetUrl + "/mcp/api/v1/tools/call";
 
-        // 5. 응답 정규화 및 병합 (Aggregator)
-        return aggregator.normalize(rawResponse);
+        // Forward the request to the target tool pod
+        try {
+            ResponseEntity<Object> response = restTemplate.postForEntity(executeApiUrl, payload, Object.class);
+            return response.getBody();
+        } catch (Exception e) {
+            log.error(" [ExecuteService] Tool Pod 호출 실패: {}", e.getMessage());
+            throw new RuntimeException("Tool Pod 호출 실패: " + e.getMessage());
+        }
     }
 }