Disconf distributed configuration management (2) integration with spring

The previous chapter introduced the installation and pre-configuration of disconf. This chapter mainly introduces the integration of disconf and spring.

1. Add dependencies

 

<dependency>
            <groupId>com.baidu.disconf</groupId>
            <artifactId>disconf-client</artifactId>
            <version>2.6.36</version>
        </dependency>

 

 

2. Modify the configuration file

   Modify the spring configuration file spring-config.xml

    Add initial configuration

    

	<!-- The following configuration must be added to use disconf-->
	<bean id="disconfMgrBean" class="com.baidu.disconf.client.DisconfMgrBean"
		destroy-method="destroy">
		<property name="scanPackage" value="com.abcde" />
	</bean>
	<bean id="disconfMgrBean2" class="com.baidu.disconf.client.DisconfMgrBeanSecond"
		init-method="init" destroy-method="destroy">
	</bean>
<!-- Autocomplete to create proxy weaving aspect-->
	<aop:aspectj-autoproxy />

   Add a disconf.properties configuration file to the classpath:

  

# Whether to use a remote configuration file
# true (default) will get the configuration from the remote, false will get the local configuration directly
disconf.enable.remote.conf=true

#
# Configure the HOST of the server, separated by commas 127.0.0.1:8004, 127.0.0.1:8004
#
disconf.conf_server_host=172.20.50.26:8990
#disconf.conf_server_host=127.0.0.1:80

# version, please use X_X_X_X format
disconf.version=1_0_0_0

# APP please use the format of product line_service name
disconf.app=pinganwj_appt

# environment disco
disconf.env=dev

# Which distributed configurations to ignore, separated by commas
disconf.ignore=

# Get the number of remote configuration retries, the default is 3
disconf.conf_server_url_retry_times=1
# Get the sleep time when retrying the remote configuration, the default is 5 seconds
disconf.conf_server_url_retry_sleep_seconds=1

# The download folder specified by the user, the remote file will be placed here after downloading
disconf.user_define_download_dir=./disconf/download

# Downloaded files will be migrated to the classpath root path, it is strongly recommended to set this option to true (default is true)
disconf.enable_local_download_dir_in_class_path=true

 

 

3. Distributed configuration through xml  

   Add static configuration file

   

<!-- Use managed disconf configuration (no code intrusion, configuration changes will not be automatically reloaded) -->
	<bean id="configproperties_no_reloadable_disconf"
		class="com.baidu.disconf.client.addons.properties.ReloadablePropertiesFactoryBean">
		<property name="locations">
			<list>
				<value>file:config/global.properties</value>
				<value>file:config/jdbc.properties</value>
				<value>file:config/config-db.properties</value>
				<value>file:config/clinic-api.properties</value>
			</list>
		</property>
	</bean>
<bean id="propertyConfigurerForProject1" class="com.abcde.core.base.utils.PropertyPlaceholder">
		<property name="ignoreResourceNotFound" value="true" />
		<property name="ignoreUnresolvablePlaceholders" value="true" />
		<property name="propertiesArray">
			<list>
				<ref bean="configproperties_no_reloadable_disconf" />
			</list>
		</property>
	</bean>

 

 

    Add dynamic configuration ( hosted ), download the configuration file at startup; when the configuration file changes, it is responsible for dynamic push. The program will not automatically reload the configuration, you need to write the callback function by yourself ( implement the IDisconfUpdate interface and add the DisconfUpdateService annotation ) .

   

<!-- Use managed disconf configuration (no code intrusion, configuration changes will be automatically reloaded) -->
	<bean id="configproperties_reloadable_disconf"
		class="com.baidu.disconf.client.addons.properties.ReloadablePropertiesFactoryBean">
		<property name="locations">
			<list>
				<value>file:config/kafka.properties</value>
				<value>file:config/emailSendConfig.properties</value>
			</list>
		</property>
	</bean>

<bean id="propertyConfigurerForProject"
		class="com.baidu.disconf.client.addons.properties.ReloadingPropertyPlaceholderConfigurer">
		<property name="ignoreResourceNotFound" value="true" />
		<property name="ignoreUnresolvablePlaceholders" value="true" />
		<property name="propertiesArray">
			<list>
				<ref bean="configproperties_reloadable_disconf" />
			</list>
		</property>
	</bean>

   

 

   

@Component
@DisconfUpdateService(confFileKeys = { "kafaka.properties" })
public class KafakaConfigCallback implements IDisconfUpdate {

    @Override
    public void reload() throws Exception {
    }

}

 

 

 4. Annotation-based distributed configuration

 

 

@Configuration    
@DisconfFile(filename="redis.properties")  
public class JedisConfig implements IDisconfUpdate {    
    
    protected static final Logger LOGGER = LoggerFactory    
            .getLogger(JedisConfig.class);    
    
    // represents the connection address    
    private String host;    
    
    // represents the connection port    
    private int port;    
    
    /**  
     * address, distributed file configuration  
     *   
     * @return  
     */    
    @DisconfFileItem(name = "redis.host", associateField = "host")    
    public String getHost() {    
    
        return host;    
    }    
    
    public void setHost(String host) {    
    
        this.host = host;    
    }    
    
    /**  
     * Port, distributed file configuration  
     *   
     * @return  
     */    
    @DisconfFileItem(name = "redis.port", associateField = "port")    
    public int getPort() {    
    
        return port;    
    }    
    
    public void setPort(int port) {    
    
        this.port = port;    
    }    
    
    public void reload() throws Exception {    
    
        LOGGER.info("host: " + host);    
    }    
}