SpringCloud of abnormal alarm notification (eight)

Before downgrading of integration, based on the integration redis, achieve alarm (redis startup or boot inside before integration redis)

• order-service

  • pom.xml

     <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-data-redis</artifactId>
      </dependency>

  • application.yml

    spring:
      application:
        name: order-service
      redis:
        port: 6379
        host: 192.168.180.113
        timeout: 2000

     

  • Modify the web layer, the add logic redis

     1 @RestController
     2 @RequestMapping("/api/v1/order")
     3 public class OrderController {
     4 ​
     5 ​
     6     @Autowired(required = false)
     7     private ProductOrderServiceImpl productOrderService;
     8 ​
     9     @Autowired
    10     private StringRedisTemplate redisTemplate;
    11 ​
    12 ​
    13     @RequestMapping("/save")
    14     @HystrixCommand(fallbackMethod="saveOrderFail")
    15     public Object save(@RequestParam("user_id")int userId, @RequestParam("product_id") int productId, HttpServletRequest request){
    16 ​
    17         Map<String, Object> data = new HashMap<>();
    18         data.put("code", 0);
    19         data.put("data", productOrderService.save(userId, productId));
    20         return  data;
    21     }
    22 ​
    23 ​
    24     //注意，方法签名一定要要和api方法一致
    25     private Object saveOrderFail(int userId, int the productId, the HttpServletRequest Request) {
     26 is  27 28 // monitoring alarm 29          String saveOrderKye = "Save-Order" ;
     30 31 is          String = sendValue . redisTemplate.opsForValue () GET (saveOrderKye);
     32 Final String IP = Request. getRemoteAddr ();
     33 is new new the Thread (() -> {
     34 is IF (StringUtils.isBlank (sendValue)) {
     35                  System.out.println ( "urgent message, the subscriber unit fails, please leave find the cause, ip address =" + IP);
     36 // send a http request, a short message service call the TODO 37 [          
                                                     
                    redisTemplate.opsForValue () SET (saveOrderKye, "Fail-Save-Order", 20 is. , TimeUnit.SECONDS);
     38 is              } the else {
     39                  System.out.println ( "has sent a message, the transmission will not be repeated within 20 seconds" ) ;
     40              }
     41 is  42 is         .}) Start ();
     43 is 44 is 45          the Map <String, Object> MSG = new new the HashMap <> ();
     46 is          msg.put ( "code", -1 );
     47          msg.put ( "msg", "number of people buying too much, you squeezed out, wait a retry" );
     48 return msg;
    49    }
                 50 ​
    51 ​
    52 }

  • test:

    

 

2019-10-19 20: 56: 11.880 INFO 20020 --- [erListUpdater-0] c.netflix.config.ChainedDynamicProperty: Flipping property: product-service.ribbon.ActiveConnectionsLimit to use NEXT property: niws.loadbalancer.availabilityFilteringRule.activeConnectionsLimit 2147483647 = 
Feign call Product - -Service findById exception
 2019-10-19 20 is: 56 is: 12.771 20020 --- the INFO [-HystrixTimer. 1 ] io.lettuce.core.EpollProvider: Starting the without the epoll optional Library
 2019-10-19 20:56 : 12.774 20020 --- the INFO [-HystrixTimer. 1 ] io.lettuce.core.KqueueProvider: Starting the without the kqueue optional Library 
has sent a short message is not repeatedly transmitted within 20 seconds