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Fizz config support ConditionalOnXXX annotations

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This commit is contained in:
hongqiaowei
2023-02-04 11:52:15 +08:00
parent 470e31ccc8
commit ed7863f57b
3 changed files with 224 additions and 20 deletions
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39
fizz-core/src/main/java/com/fizzgate/beans/factory/config/FizzBeanFactoryPostProcessor.java
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@@ -17,13 +17,10 @@
package com.fizzgate.beans.factory.config;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fizzgate.config.FizzConfigConfiguration;
import com.fizzgate.config.RedisReactiveProperties;
import com.fizzgate.context.config.annotation.FizzRefreshScope;
import com.fizzgate.context.event.FizzRefreshEvent;
import com.fizzgate.util.*;
import com.fizzgate.util.Consts;
import com.fizzgate.util.JacksonUtils;
import com.fizzgate.util.ReflectionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
@@ -38,13 +35,11 @@ import org.springframework.context.EnvironmentAware;
import org.springframework.core.Ordered;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.Environment;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.data.redis.core.ReactiveStringRedisTemplate;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.util.*;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* @author hongqiaowei
@@ -54,25 +49,31 @@ public class FizzBeanFactoryPostProcessor implements BeanFactoryPostProcessor, E
private static final Logger LOGGER = LoggerFactory.getLogger(FizzBeanFactoryPostProcessor.class);
private ApplicationContext applicationContext;
private static ApplicationContext applicationContext;
private ConfigurableEnvironment environment;
private final Map<String, String> property2beanMap = new HashMap<>();
private final Map<String, String> property2beanMap = new HashMap<>();
private ReactiveStringRedisTemplate reactiveStringRedisTemplate;
protected static ApplicationContext getApplicationContext() {
return applicationContext;
}
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
String fizzConfigEnable = environment.getProperty("fizz.config.enable", Consts.S.TRUE);
if (fizzConfigEnable.equals(Consts.S.TRUE)) {
initReactiveStringRedisTemplate();
initFizzPropertySource();
// initReactiveStringRedisTemplate();
// initFizzPropertySource();
initBeanProperty2beanMap(beanFactory);
}
}
private void initReactiveStringRedisTemplate() {
/* private void initReactiveStringRedisTemplate() {
RedisReactiveProperties redisReactiveProperties = new RedisReactiveProperties() {
};
@@ -92,9 +93,9 @@ public class FizzBeanFactoryPostProcessor implements BeanFactoryPostProcessor, E
}
reactiveStringRedisTemplate = ReactiveRedisHelper.getStringRedisTemplate(redisReactiveProperties);
}
} */
private void initFizzPropertySource() {
/* private void initFizzPropertySource() {
MutablePropertySources propertySources = environment.getPropertySources();
Map<String, Object> sources = new HashMap<>();
MapPropertySource fizzPropertySource = new MapPropertySource(FizzConfigConfiguration.PROPERTY_SOURCE, sources);
@@ -191,7 +192,7 @@ public class FizzBeanFactoryPostProcessor implements BeanFactoryPostProcessor, E
if (result.code == Result.FAIL) {
throw new RuntimeException(result.msg, result.t);
}
}
} */
private void initBeanProperty2beanMap(ConfigurableListableBeanFactory beanFactory) {
ClassLoader beanClassLoader = beanFactory.getBeanClassLoader();

199
fizz-core/src/main/java/com/fizzgate/beans/factory/config/FizzEnvironmentPostProcessor.java Normal file
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@@ -0,0 +1,199 @@
package com.fizzgate.beans.factory.config;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fizzgate.config.FizzConfigConfiguration;
import com.fizzgate.config.RedisReactiveProperties;
import com.fizzgate.context.event.FizzRefreshEvent;
import com.fizzgate.util.Consts;
import com.fizzgate.util.JacksonUtils;
import com.fizzgate.util.ReactiveRedisHelper;
import com.fizzgate.util.Result;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.context.event.ApplicationPreparedEvent;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.boot.logging.DeferredLog;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.event.SmartApplicationListener;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.data.redis.core.ReactiveStringRedisTemplate;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author hongqiaowei
*/
public class FizzEnvironmentPostProcessor implements EnvironmentPostProcessor, SmartApplicationListener {
private static final DeferredLog LOGGER = new DeferredLog();
private static Logger LOG = null;
private ConfigurableEnvironment environment;
private ReactiveStringRedisTemplate reactiveStringRedisTemplate;
@Override
public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
String fizzConfigEnable = environment.getProperty("fizz.config.enable", Consts.S.TRUE);
if (fizzConfigEnable.equals(Consts.S.TRUE)) {
String host = environment.getProperty("aggregate.redis.host");
String clusterNodes = environment.getProperty("aggregate.redis.clusterNodes");
if (StringUtils.isNotBlank(host) || StringUtils.isNotBlank(clusterNodes)) {
this.environment = environment;
initReactiveStringRedisTemplate();
initFizzPropertySource();
}
}
}
private void initReactiveStringRedisTemplate() {
RedisReactiveProperties redisReactiveProperties = new RedisReactiveProperties() {
};
String host = environment.getProperty("aggregate.redis.host");
if (StringUtils.isBlank(host)) {
redisReactiveProperties.setType(RedisReactiveProperties.CLUSTER);
redisReactiveProperties.setClusterNodes(environment.getProperty("aggregate.redis.clusterNodes"));
} else {
redisReactiveProperties.setHost(host);
redisReactiveProperties.setPort(Integer.parseInt(environment.getProperty("aggregate.redis.port")));
redisReactiveProperties.setDatabase(Integer.parseInt(environment.getProperty("aggregate.redis.database")));
}
String password = environment.getProperty("aggregate.redis.password");
if (StringUtils.isNotBlank(password)) {
redisReactiveProperties.setPassword(password);
}
reactiveStringRedisTemplate = ReactiveRedisHelper.getStringRedisTemplate(redisReactiveProperties);
}
private void initFizzPropertySource() {
MutablePropertySources propertySources = environment.getPropertySources();
Map<String, Object> sources = new HashMap<>();
MapPropertySource fizzPropertySource = new MapPropertySource(FizzConfigConfiguration.PROPERTY_SOURCE, sources);
propertySources.addFirst(fizzPropertySource);
Result<?> result = Result.succ();
Flux<Map.Entry<Object, Object>> fizzConfigs = reactiveStringRedisTemplate.opsForHash().entries("fizz_config");
fizzConfigs.collectList()
.defaultIfEmpty(Collections.emptyList())
.flatMap(
es -> {
if (es.isEmpty()) {
LOGGER.info("no fizz configs");
} else {
String value = null;
try {
for (Map.Entry<Object, Object> e : es) {
String key = (String) e.getKey();
value = (String) e.getValue();
Map<String, Object> config = JacksonUtils.readValue(value, new TypeReference<Map<String, Object>>(){});
sources.put(key, config.get(key));
}
} catch (Throwable t) {
result.code = Result.FAIL;
result.msg = "init fizz configs error, json: " + value;
result.t = t;
}
}
return Mono.empty();
}
)
.onErrorReturn(
throwable -> {
result.code = Result.FAIL;
result.msg = "init fizz configs error";
result.t = throwable;
return true;
},
result
)
.block();
if (result.code == Result.FAIL) {
throw new RuntimeException(result.msg, result.t);
}
if (!sources.isEmpty()) {
LOGGER.info("fizz configs: " + JacksonUtils.writeValueAsString(sources));
}
String channel = "fizz_config_channel";
reactiveStringRedisTemplate.listenToChannel(channel)
.doOnError(
t -> {
result.code = Result.FAIL;
result.msg = "lsn " + channel + " channel error";
result.t = t;
LOGGER.error("lsn channel " + channel + " error", t);
}
)
.doOnSubscribe(
s -> {
LOGGER.info("success to lsn on " + channel);
}
)
.doOnNext(
msg -> {
if (LOG == null) {
LOG = LoggerFactory.getLogger(FizzEnvironmentPostProcessor.class);
}
String message = msg.getMessage();
try {
Map<String, Object> changedPropertyValueMap = new HashMap<>();
List<Map<String, Object>> changes = JacksonUtils.readValue(message, new TypeReference<List<Map<String, Object>>>(){});
for (Map<String, Object> change : changes) {
int isDeleted = (int) change.remove("isDeleted");
Map.Entry<String, Object> propertyValue = change.entrySet().iterator().next();
String property = propertyValue.getKey();
Object v = null;
if (isDeleted == 1) {
sources.remove(property);
} else {
v = propertyValue.getValue();
sources.put(property, v);
}
changedPropertyValueMap.put(property, v);
}
LOG.info("new fizz configs: " + JacksonUtils.writeValueAsString(sources));
ApplicationContext applicationContext = FizzBeanFactoryPostProcessor.getApplicationContext();
FizzRefreshEvent refreshEvent = new FizzRefreshEvent(applicationContext, FizzRefreshEvent.ENV_CHANGE, changedPropertyValueMap);
applicationContext.publishEvent(refreshEvent);
} catch (Throwable t) {
LOG.error("update fizz config " + message + " error", t);
}
}
)
.subscribe();
if (result.code == Result.FAIL) {
throw new RuntimeException(result.msg, result.t);
}
}
@Override
public boolean supportsEventType(Class<? extends ApplicationEvent> eventType) {
return ApplicationPreparedEvent.class.isAssignableFrom(eventType);
}
@Override
public void onApplicationEvent(ApplicationEvent event) {
if (event instanceof ApplicationPreparedEvent) {
LOGGER.replayTo(FizzEnvironmentPostProcessor.class);
}
}
}

6
fizz-spring-boot-starter/src/main/resources/META-INF/spring.factories
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@@ -50,4 +50,8 @@ com.fizzgate.global_resource.GlobalResourceService,\
com.fizzgate.dedicated_line.DedicatedLineWebServer
# Application Listeners
org.springframework.context.ApplicationListener=com.fizzgate.context.event.FizzApplicationListener
org.springframework.context.ApplicationListener=\
com.fizzgate.context.event.FizzApplicationListener,\
com.fizzgate.beans.factory.config.FizzEnvironmentPostProcessor
org.springframework.boot.env.EnvironmentPostProcessor=com.fizzgate.beans.factory.config.FizzEnvironmentPostProcessor