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feat(clients): 各客户端支持环境变量配置，Spring Boot 2 客户端优化选择性刷新

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- Dockerfile.springboot2: 更换基础镜像为阿里云私有镜像
- .NET/SpringBoot2 demo: 配置项改为从环境变量读取，支持 Docker 传参
- Spring Boot 2 客户端: @Value/@ConfigurationProperties 刷新优化为只刷新受变更 key 影响的字段
- README_DOCKERFILE.md: 标注 .NET 客户端 Docker 测试通过
This commit is contained in:
odboy
2026-07-02 21:16:53 +08:00
parent d55ef1dfa6
commit 75443cd39e
7 changed files with 53 additions and 40 deletions
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Dockerfile.springboot2
+3 -2
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@@ -1,5 +1,5 @@
# Build stage
FROM maven:3.9-eclipse-temurin-8 AS build
FROM registry.cn-shanghai.aliyuncs.com/odboy/kenaito-cicd:runtime-maven3-jdk21 AS build
WORKDIR /src
@@ -9,12 +9,13 @@ WORKDIR /src/kenaito-conf-springboot2-client
RUN mvn clean install -DskipTests
# Copy demo project and build
WORKDIR /src
COPY kenaito-conf-springboot2-client-demo/ ./kenaito-conf-springboot2-client-demo/
WORKDIR /src/kenaito-conf-springboot2-client-demo
RUN mvn clean package -DskipTests
# Runtime stage
FROM eclipse-temurin:8-jre
FROM registry.cn-shanghai.aliyuncs.com/odboy/kenaito-cicd:runtime-jdk8
WORKDIR /app
COPY --from=build /src/kenaito-conf-springboot2-client-demo/target/*.jar app.jar
README_DOCKERFILE.md
+1 -1
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@@ -62,7 +62,7 @@ curl http://localhost:8082/health
docker stop python-demo
```
## .NET 客户端
## .NET 客户端（测试通过）
```bash
docker build -f Dockerfile.dotnet -t kenaito-conf-dotnet-demo .
kenaito-conf-dotnet-client-demo/Program.cs
+7 -6
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@@ -2,12 +2,13 @@ using Kenaito.Conf.Client;
var config = new Config
{
BaseUrl = "http://localhost:8080",
AppName = "kenaito-springboot-demo",
Env = "daily",
Version = "latest",
SyncInterval = 10,
CacheDir = "."
BaseUrl = Environment.GetEnvironmentVariable("KENAITO_BASE_URL") ?? "http://localhost:8080",
AppName = Environment.GetEnvironmentVariable("KENAITO_APP_NAME") ?? "kenaito-springboot-demo",
Env = Environment.GetEnvironmentVariable("KENAITO_ENV") ?? "daily",
Version = Environment.GetEnvironmentVariable("KENAITO_VERSION") ?? "latest",
SyncInterval = int.TryParse(Environment.GetEnvironmentVariable("KENAITO_SYNC_INTERVAL"), out var si) ? si : 10,
CacheDir = Environment.GetEnvironmentVariable("KENAITO_CACHE_DIR") ?? ".",
Token = Environment.GetEnvironmentVariable("KENAITO_TOKEN")
};
var client = new Client(config);
kenaito-conf-springboot2-client-demo/src/main/resources/application.properties
+6 -6
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@@ -6,12 +6,12 @@ app.name=kenaito-conf-springboot2-client-demo
app.version=1.0.0
# Kenaito Config Center
kenaito.config.baseUrl=http://localhost:8080
kenaito.config.appName=kenaito-springboot-demo
kenaito.config.profile=daily
kenaito.config.version=latest
kenaito.config.token=
kenaito.config.sync-interval-seconds=10
kenaito.config.baseUrl=${KENAITO_BASE_URL:http://localhost:8080}
kenaito.config.appName=${KENAITO_APP_NAME:kenaito-springboot-demo}
kenaito.config.profile=${KENAITO_ENV:daily}
kenaito.config.version=${KENAITO_VERSION:latest}
kenaito.config.token=${KENAITO_TOKEN:}
kenaito.config.sync-interval-seconds=${KENAITO_SYNC_INTERVAL:10}
# Local configs (will be overridden by remote if exists)
database.host=192.168.1.1
kenaito-conf-springboot2-client/src/main/java/cn/odboy/confcenter/ConfigcenterContext.java
+8 -6
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@@ -333,6 +333,8 @@ public class ConfigcenterContext {
result = LocalCacheUtils.read();
} else {
LocalCacheUtils.write(result);
int configCount = result.size();
logger.info("[ConfigClient] fetched {} configs", configCount);
}
return result;
}
@@ -410,7 +412,7 @@ public class ConfigcenterContext {
// Refresh @Value and @ConfigurationProperties fields
logger.info("[RefreshScope] Calling refreshDynamicConfigFields()...");
refreshDynamicConfigFields();
refreshDynamicConfigFields(updateConfig.keySet());
logger.info("[RefreshScope] refreshDynamicConfigFields() completed");
}
}
@@ -448,13 +450,13 @@ public class ConfigcenterContext {
}
}
// Refresh @Value and @ConfigurationProperties fields
refreshDynamicConfigFields();
refreshDynamicConfigFields(new HashSet<>(keys));
}
private void refreshDynamicConfigFields() {
private void refreshDynamicConfigFields(Set<String> changedKeys) {
if (applicationContext != null) {
try {
logger.info("[RefreshScope] Starting dynamic config field refresh...");
logger.info("[RefreshScope] Starting dynamic config field refresh for keys: {}", String.join(", ", changedKeys));
StandardEnvironment env = (StandardEnvironment) applicationContext.getEnvironment();
// 直接创建 RefreshScopeRegistry 并注册为 BeanPostProcessor
RefreshScopeRegistry registry = new RefreshScopeRegistry(env);
@@ -474,8 +476,8 @@ public class ConfigcenterContext {
configPropsCount = registry.getConfigPropsCount();
logger.info("[RefreshScope] Recorded {} @Value fields and {} @ConfigurationProperties beans", valueFieldCount, configPropsCount);
// 刷新
registry.refresh();
// 刷新（只刷新受影响的字段）
registry.refresh(changedKeys);
logger.info("[RefreshScope] RefreshScopeRegistry.refresh() completed, refreshed {} @Value fields and {} @ConfigurationProperties beans", registry.getValueFieldCount(), registry.getConfigPropsCount());
} catch (Exception e) {
logger.warn("[RefreshScope] RefreshScopeRegistry.refresh() error, msg:{}", e.getMessage(), e);
kenaito-conf-springboot2-client/src/main/java/cn/odboy/confcenter/InternalConfigChangeListener.java
+4 -1
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@@ -72,7 +72,10 @@ public class InternalConfigChangeListener {
logger.info("[ConfigClient] {} configs deleted: {}", deletedKeys.length, String.join(", ", deletedKeys));
}
}
if (!data.isEmpty()) context.updateConfig(data);
if (!data.isEmpty()) {
context.updateConfig(data);
logger.info("[ConfigClient] {} configs changed: {}", data.size(), String.join(", ", data.keySet()));
}
}
}
} catch (Exception e) {
kenaito-conf-springboot2-client/src/main/java/cn/odboy/confcenter/RefreshScopeRegistry.java
+16 -10
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@@ -3,6 +3,7 @@ package cn.odboy.confcenter;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -60,15 +61,16 @@ public class RefreshScopeRegistry implements BeanPostProcessor {
}
/**
* Refresh all @Value fields and @ConfigurationProperties beans
* Refresh only @Value fields and @ConfigurationProperties beans that are affected by changed keys
*/
public void refresh() {
refreshValueFields();
refreshConfigPropsBeans();
public void refresh(Set<String> changedKeys) {
refreshValueFields(changedKeys);
refreshConfigPropsBeans(changedKeys);
}
private void refreshValueFields() {
private void refreshValueFields(Set<String> changedKeys) {
for (ValueFieldHolder holder : valueFields) {
if (changedKeys.contains(holder.key)) {
try {
holder.refresh(environment);
} catch (Exception e) {
@@ -76,11 +78,12 @@ public class RefreshScopeRegistry implements BeanPostProcessor {
}
}
}
}
private void refreshConfigPropsBeans() {
private void refreshConfigPropsBeans(Set<String> changedKeys) {
for (ConfigPropsHolder holder : configPropsBeans) {
try {
holder.refresh(environment);
holder.refresh(environment, changedKeys);
} catch (Exception e) {
// ignore refresh errors
}
@@ -149,26 +152,29 @@ public class RefreshScopeRegistry implements BeanPostProcessor {
this.bean = bean;
}
void refresh(Environment env) {
void refresh(Environment env, Set<String> changedKeys) {
Class<?> clazz = bean.getClass();
ConfigurationProperties anno = clazz.getAnnotation(ConfigurationProperties.class);
if (anno != null) {
String prefix = anno.prefix();
bindProperties(bean, prefix, env);
bindProperties(bean, prefix, env, changedKeys);
}
}
private void bindProperties(Object bean, String prefix, Environment env) {
private void bindProperties(Object bean, String prefix, Environment env, Set<String> changedKeys) {
try {
Class<?> clazz = bean.getClass();
for (Field field : getAllDeclaredFields(clazz)) {
String propertyName = prefix + "." + camelToKebab(field.getName());
// Only refresh if this property key is in changedKeys
if (changedKeys.contains(propertyName)) {
String value = env.getProperty(propertyName);
if (value != null) {
field.setAccessible(true);
field.set(bean, convertType(field.getType(), value));
}
}
}
} catch (Exception e) {
// ignore
}