Add rules automation

pull/56/head
fangjian0423 6 years ago
parent 0f444a40ab
commit b374a291be

@ -192,9 +192,9 @@ Sentinel 控制台支持实时监控查看,您可以通过 Sentinel 控制台
<p align="center"><img src="https://cdn.nlark.com/lark/0/2018/png/54319/1532313595369-8428cd7d-9eb7-4786-a149-acf0da4a2daf.png" width="480" heigh='180' ></p>
## DataSource 支持
## ReadableDataSource 支持
Sentinel 内部提供了[动态规则的扩展实现 DataSource](https://github.com/alibaba/Sentinel/wiki/%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%99%E6%89%A9%E5%B1%95#datasource-%E6%89%A9%E5%B1%95)。
Sentinel 内部提供了[动态规则的扩展实现 ReadableDataSource](https://github.com/alibaba/Sentinel/wiki/%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%99%E6%89%A9%E5%B1%95#datasource-%E6%89%A9%E5%B1%95)。
Sentinel starter 整合了目前存在的几类 DataSource。只需要在配置文件中进行相关配置即可在 Spring 容器中自动注册 DataSource。
@ -210,7 +210,7 @@ Sentinel starter 整合了目前存在的几类 DataSource。只需要在配置
然后使用`@SentinelDataSource` 注解修饰 DataSource 即可注入:
@SentinelDataSource("spring.cloud.sentinel.datasource")
private DataSource dataSource;
private ReadableDataSource dataSource;
`@SentinelDataSource` 注解的 value 属性可以不填。默认值就是 `spring.cloud.sentinel.datasource`
@ -230,7 +230,7 @@ type目前支持file, nacos, zk, apollo。
1. 定义DataSource
public class CustomDataSource implements DataSource {
public class CustomDataSource implements ReadableDataSource {
private String fieldA;
private String fieldB;
...

@ -165,9 +165,9 @@ To see the metrics, click **实时监控(Real-time Monitoring)** in the left-sid
<p align="center"><img src="https://cdn.nlark.com/lark/0/2018/png/54319/1532313595369-8428cd7d-9eb7-4786-a149-acf0da4a2daf.png" width="480" heigh='180'></p>
## DataSource
## ReadableDataSource
Sentinel provide [DataSource](https://github.com/alibaba/Sentinel/blob/master/sentinel-extension/sentinel-datasource-extension/src/main/java/com/alibaba/csp/sentinel/datasource/DataSource.java) to manage dynamic rules.
Sentinel provide [ReadableDataSource](https://github.com/alibaba/Sentinel/blob/master/sentinel-extension/sentinel-datasource-extension/src/main/java/com/alibaba/csp/sentinel/datasource/ReadableDataSource.java) to manage dynamic rules.
Sentinel starter integrated 4 DataSources provided by Sentinel. It will be register into Spring Context if you write some configs in `application.properties`.
@ -183,7 +183,7 @@ If you want to define FileRefreshableDataSource:
then use `@SentinelDataSource` to annotate DataSource:
@SentinelDataSource("spring.cloud.sentinel.datasource")
private DataSource dataSource;
private ReadableDataSource dataSource;
The value() of `@SentinelDataSource` is not required, it means the prefix of configuration. Default value is `spring.cloud.sentinel.datasource`.
@ -201,7 +201,7 @@ User-defined DataSource need 2 steps.
1. Define DataSource
public class CustomDataSource implements DataSource {
public class CustomDataSource implements ReadableDataSource {
private String fieldA;
private String fieldB;
...

@ -10,5 +10,5 @@ spring.cloud.sentinel.datasource.type=file
spring.cloud.sentinel.datasource.recommendRefreshMs=3000
spring.cloud.sentinel.datasource.bufSize=4056196
spring.cloud.sentinel.datasource.charset=utf-8
spring.cloud.sentinel.datasource.configParser=myParser
spring.cloud.sentinel.datasource.converter=myParser
spring.cloud.sentinel.datasource.file=/Users/you/rule.json

@ -36,15 +36,27 @@ import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.MergedBeanDefinitionPostProcessor;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.cloud.alibaba.sentinel.SentinelConstants;
import org.springframework.cloud.alibaba.sentinel.annotation.SentinelDataSource;
import org.springframework.cloud.alibaba.sentinel.util.PropertySourcesUtils;
import org.springframework.context.ApplicationContext;
import org.springframework.context.event.EventListener;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.util.ReflectionUtils;
import org.springframework.util.StringUtils;
import com.alibaba.csp.sentinel.datasource.Converter;
import com.alibaba.csp.sentinel.datasource.ReadableDataSource;
import com.alibaba.csp.sentinel.property.SentinelProperty;
import com.alibaba.csp.sentinel.slots.block.authority.AuthorityRule;
import com.alibaba.csp.sentinel.slots.block.authority.AuthorityRuleManager;
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
import com.alibaba.csp.sentinel.slots.system.SystemRule;
import com.alibaba.csp.sentinel.slots.system.SystemRuleManager;
/**
* {@link SentinelDataSource @SentinelDataSource} Post Processor
@ -187,6 +199,46 @@ public class SentinelDataSourcePostProcessor
beanFactory.registerBeanDefinition(beanName, builder.getBeanDefinition());
}
@EventListener(classes = ApplicationReadyEvent.class)
public void appStartedListener(ApplicationReadyEvent event) throws Exception {
Map<String, ReadableDataSource> dataSourceMap = event.getApplicationContext().getBeansOfType(ReadableDataSource.class);
if(dataSourceMap.size() == 1) {
ReadableDataSource dataSource = dataSourceMap.values().iterator().next();
Object ruleConfig = dataSource.loadConfig();
SentinelProperty sentinelProperty = dataSource.getProperty();
if(checkRuleType(ruleConfig, FlowRule.class)) {
FlowRuleManager.register2Property(sentinelProperty);
}
if(checkRuleType(ruleConfig, DegradeRule.class)) {
DegradeRuleManager.register2Property(sentinelProperty);
}
if(checkRuleType(ruleConfig, SystemRule.class)) {
SystemRuleManager.register2Property(sentinelProperty);
}
if(checkRuleType(ruleConfig, AuthorityRule.class)) {
AuthorityRuleManager.register2Property(sentinelProperty);
}
}
}
private boolean checkRuleType(Object ruleConfig, Class type) {
if(ruleConfig.getClass() == type) {
return true;
} else if(ruleConfig instanceof List) {
List ruleList = (List)ruleConfig;
List checkList = new ArrayList();
for(Object rule : ruleList) {
if(rule.getClass() == type) {
checkList.add(rule);
}
}
if(ruleList.size() == checkList.size()) {
return true;
}
}
return false;
}
class SentinelDataSourceField {
private SentinelDataSource sentinelDataSource;
private Field field;

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