分布配置工具包

${rootNode}/${version}/${group}/${keyValues}

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社区

• QQ群: 457997852
• Config Toolkit Go语言版本：https://github.com/mbaight/config-toolkit-go

文档

文档: https://github.com/dangdangdotcom/config-toolkit/wiki

搭建配置界面

下载config-toolkit项目

git clone https://github.com/dangdangdotcom/config-toolkit.git
cd config-toolkit/config-zk-web
mvn package

将编译好的config-web.war部署到tomcat即可

创建初始权限配置

使用命令行创建zookeeper配置根节点，根节点密码使用sha1加密，如果要使用明文密码，可以自行修改config-zk-web的鉴权部分代码 以根路径为/projectx/modulex密码为abc为例

python -c "import hashlib;print hashlib.sha1('abc').hexdigest();"
# a9993e364706816aba3e25717850c26c9cd0d89d 
zkCli.sh -server localhost:2181
create /projectx 1
create /projectx/modulex a9993e364706816aba3e25717850c26c9cd0d89d

登录config-web，创建示例配置

• 访问http://localhost:8080/config-web
• 点击"切换根节点"，输入/projectx/modulex，密码abc
• 点击"新建版本"，输入1.0.0
• 左侧的组管理，输入group，点击"创建"
• 在右侧添加两个配置，分别为config.str=hello, config.int=7758

项目中加载配置

添加maven依赖

<dependency>
  <groupId>com.dangdang</groupId>
  <artifactId>config-toolkit</artifactId>
  <version>3.1.7-RELEASE</version>
</dependency>

使用Java代码直接获取配置

ZookeeperConfigProfile configProfile = new ZookeeperConfigProfile("localhost:2181", "/projectx/modulex", "1.0.0");
GeneralConfigGroup group = new ZookeeperConfigGroup(configProfile, "group");

String stringProperty = group.get("config.str");
Preconditions.checkState("hello".equals(stringProperty));
String intProperty = group.get("config.int");
Preconditions.checkState(7758 == Integer.parseInt(intProperty));

结合spring placeholder方式注入配置

<bean id="configProfile" class="com.dangdang.config.service.zookeeper.ZookeeperConfigProfile">
    <constructor-arg name="connectStr" value="localhost:2181" />
    <constructor-arg name="rootNode" value="/projectx/modulex" />
    <constructor-arg name="version" value="1.0.0" />
</bean>

<bean id="configGroupSources" class="com.dangdang.config.service.support.spring.ConfigGroupSourceFactory" factory-method="create">
    <constructor-arg name="configGroups">
        <list>
            <bean class="com.dangdang.config.service.zookeeper.ZookeeperConfigGroup" c:configProfile-ref="configProfile" c:node="-group" />
        </list>
    </constructor-arg>
</bean>

<bean class="org.springframework.context.support.PropertySourcesPlaceholderConfigurer">
    <property name="order" value="1" />
    <property name="ignoreUnresolvablePlaceholders" value="true" />
    <property name="propertySources" ref="configGroupSources" />
</bean>

<!-- Your business bean -->
<bean class="your.BusinessBean">
    <property name="strProp" value="${config.str}" />
    <property name="intProp" value="${config.int}" />
</bean>

由于spring对多个placeholder的支持不太好，需要仔细配置order，所以建议使用SPEL方式来配置

结合spring SPEL方式注入配置

<bean id="configProfile" class="com.dangdang.config.service.zookeeper.ZookeeperConfigProfile">
    <constructor-arg name="connectStr" value="localhost:2181" />
    <constructor-arg name="rootNode" value="/projectx/modulex" />
    <constructor-arg name="version" value="1.0.0" />
</bean>
<bean id="groupProp" class="com.dangdang.config.service.zookeeper.ZookeeperConfigGroup">
    <constructor-arg name="configProfile" ref="configProfile" />
    <constructor-arg name="node" value="group" />
</bean>

<!-- Your business bean -->
<bean class="your.BusinessBean">
    <property name="strProp" value="#{groupProp['config.str']}" />
    <property name="intProp" value="#{groupProp['config.int']}" />
</bean>