Alarm Notice

Description

• This doc gives a brief description for send alarm notice message using Apache ShenYu API.

Enable Alert in ShenYu Gateway

• Config the gateway application.yml

shenyu:  alert:    enabled: true    # the shenyu admin servers, if admin cluster, config like 127.0.0.1:9095,192.3.4.2:9095    admins: localhost:9095

Send Alarm Message

• We can send custom alarm message in plugin using AlarmSender.alarm()

Refer below:

public class ParamMappingPlugin extends AbstractShenyuPlugin {
    @Override    public Mono<Void> doExecute(final ServerWebExchange exchange, final ShenyuPluginChain chain, final SelectorData selector, final RuleData rule) {        ParamMappingRuleHandle paramMappingRuleHandle = ParamMappingPluginDataHandler.CACHED_HANDLE.get().obtainHandle(CacheKeyUtils.INST.getKey(rule));             if(some condition) {             Map<String, String> labels = new HashMap<>(8);             labels.put("plugin", "http-redirect");             labels.put("component", "http");             AlarmSender.alarmHighEmergency("alarm-title", "alarm-content", labels);             AlarmSender.alarmMediumCritical("alarm-title", "alarm-content", labels);             AlarmSender.alarmLowWarning("alarm-title", "alarm-content", labels);             AlarmSender.alarm((byte) 0, "alarm-title", "alarm-content");        }              HttpHeaders headers = exchange.getRequest().getHeaders();        MediaType contentType = headers.getContentType();        return match(contentType).apply(exchange, chain, paramMappingRuleHandle);    }}

Dispatch Alarm Notice

• In the previous step, we send custom alarm message in plugin.
• Now we configure how these messages are sent to whom(tom,lili...) by which type(email,DingDing...)
• Config this in ShenYu Admin Dashboard.

Have fun!

Attention

1. If you use the email notice, you should config your email send server in ShenYu Admin application.yml

spring:  mail:    # Attention: this is mail server address.    host: smtp.qq.com    username: shenyu@apache.com    # Attention: this is not email account password, this requires an email authorization code    password: your-password    port: 465    default-encoding: UTF-8    properties:      mail:        smtp:          socketFactoryClass: javax.net.ssl.SSLSocketFactory          ssl:            enable: true