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JavaEE Apollo安装 使用

意华 人气:1

说明:

Apollo是配置管理中心,和SpringCloud-Config实现的功能有点相似。

一、安装MySQL 5.7.37(主机:192.168.233.128,用户/密码:root):

1.下载mysql-5.7.37-1.el7.x86_64.rpm-bundle.tar,并上传到centos7:

https://dev.mysql.com/downloads/mysql/

解压mysql-5.7.37-1.el7.x86_64.rpm-bundle.tar(cd到/root目录):

[root@localhost ~]# tar -xvf mysql-5.7.37-1.el7.x86_64.rpm-bundle.tar 

2.安装依赖:

[root@localhost ~]# yum -y install libaio
[root@localhost ~]# yum -y install perl
[root@localhost ~]# yum -y install net-tools

3.安装mysql:

[root@localhost ~]# rpm -ivh mysql-community-common-5.7.37-1.el7.x86_64.rpm
[root@localhost ~]# rpm -ivh mysql-community-libs-5.7.37-1.el7.x86_64.rpm
[root@localhost ~]# rpm -ivh mysql-community-client-5.7.37-1.el7.x86_64.rpm
[root@localhost ~]# rpm -ivh mysql-community-server-5.7.37-1.el7.x86_64.rpm
[root@localhost ~]# rpm -ivh mysql-community-libs-compat-5.7.37-1.el7.x86_64.rpm

4.启动:

[root@localhost ~]# service mysqld start

5.查看临时密码:

[root@localhost ~]# grep password /var/log/mysqld.log

6.登录(在Enter password输入上方查看的密码):

[root@localhost ~]# mysql -u root -p
Enter password: 

7.修改密码(密码:root):

mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH MYSQL_NATIVE_PASSWORD BY 'Root123456=';
mysql> SET GLOBAL validate_password_length=2;
mysql> SET GLOBAL validate_password_policy=0;
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH MYSQL_NATIVE_PASSWORD BY 'root';

8.允许远程访问:

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root' WITH GRANT OPTION;

二、Apollo安装/启动(centos7)(主机:192.168.233.128):

1.下载apollo-quick-start-1.9.2.zip:

https://www.apolloconfig.com/#/zh/deployment/quick-start?id=%e4%ba%8c%e3%80%81%e5%ae%89%e8%a3%85%e6%ad%a5%e9%aa%a4

2.创建ApolloPortalDB、ApolloConfigDB数据库:

(1)使用Navicat连接mysql5,创建ApolloPortalDB、ApolloConfigDB数据库:

注:ApolloPortalDB在生产环境部署,而ApolloConfigDB需要每个环境部署一套。

(2)导入apolloportaldb.sql到ApolloPortalDB数据库(sql文件在apollo-quick-start-1.9.2/sql目录中):

使用Navicat右击ApolloPortalDB数据库,运行 SQL 文件,选择apolloportaldb.sql,点开始按钮。

(3)导入apolloconfigdb.sql到ApolloConfigDB数据库(sql文件在apollo-quick-start-1.9.2/sql目录中):

使用Navicat右击ApolloConfigDB数据库,运行 SQL 文件,选择apolloconfigdb.sql,点开始按钮。

3.安装Apollo:

(1)将apollo-quick-start-1.9.2.zip上传到/usr/local/apollo目录(mkdir /usr/local/apollo)。

(2)解压apollo-quick-start-1.9.2.zip(cd /usr/local/apollo/):

[root@localhost apollo]# unzip apollo-quick-start-1.9.2.zip

(3)配置ApolloPortalDB、ApolloConfigDB数据库连接信息:

[root@localhost apollo]# vi demo.sh

修改如下内容:

#ApolloConfigDB连接信息
apollo_config_db_url="jdbc:mysql://192.168.233.128:3306/ApolloConfigDB?characterEncoding=utf8&serverTimezone=Asia/Shanghai"
apollo_config_db_username=root
apollo_config_db_password=root
#ApolloPortalDB连接信息
apollo_portal_db_url="jdbc:mysql://192.168.233.128:3306/ApolloPortalDB?characterEncoding=utf8&serverTimezone=Asia/Shanghai"
apollo_portal_db_username=root
apollo_portal_db_password=root
...
# meta server url
config_server_url=http://192.168.233.128:8080
admin_server_url=http://192.168.233.128:8090
...
portal_url=http://192.168.233.128:8070

4.启动/停止Apollo:

[root@localhost apollo]# ./demo.sh start[root@localhost apollo]# ./demo.sh stop

5.打开Apollo首页(用户apollo,密码admin):

http://192.168.233.128:8070

三、Web应用接入Apollo(SpringBoot):

1.在Apollo中创建应用:

(1)在首页,点左上角"创建应用",输入AppId值等(此处AppId与待接入应用application.yml的app.id对应):

 (2)进入创建的应用,点击Key/Value列表的右上角"新增配置",添加Key和Value:

 (3)创建Key+Value后,回到Key/Value列表中,点右上角靠左的"发布"按钮生效:

 2.Web工程中配置Apollo信息:

(1)添加apollo依赖:

<dependencies>
    <dependency>
        <groupId>com.ctrip.framework.apollo</groupId>
        <artifactId>apollo-client</artifactId>
        <version>1.9.2</version>
    </dependency>
    <dependency>
        <groupId>com.ctrip.framework.apollo</groupId>
        <artifactId>apollo-openapi</artifactId>
        <version>1.9.2</version>
    </dependency>
</dependencies>

(2)配置app.id与app.meta,在application.yml中:

...
app:
  id: apollo                         #apollo应用ID(必须与Apollo网页上创建项目时定义的应用Id一致)
apollo:
  meta: http://192.168.233.128:8080  #apollo服务器地址
  autoUpdateInjectedSpringProperties: true  #false时@Value("${key1}")值不会自动更新,默认true自动更新
 #cache-dir: /opt/data/some-cache-dir       #自定义本地缓存路径,默认为/opt/data/{appId}/config-cache
  access-key:
    secret: 838fe62c502a43e2b70a31d7c7156f10 #配置访问密钥,在Apollo首页-管理密钥中创建密钥
  property:
    names:
      cache:
        enable: true   #开启propertyNames缓存
  bootstrap:
    enabled: true   #开启 Apollo
    namespaces: application  #可以注入多个命名空间,以逗号分隔
    #eagerLoad:
    #  enabled: true   #将apollo初始化放在日志系统初始化之前

(3)Application启动类添加@EnableApolloConfig注解:

@SpringBootApplication
@EnableApolloConfig   //开启Apollo
public class ApolloApplication {
    public static void main(String[] args) {
        SpringApplication.run(ApolloApplication.class);
    }
}

(4)Config方式获取apollo配置中心的配置:

@Configuration
public class ApolloConfig {
    @Value("${key1}")//从apollo配置中心获取添加的key1
    public String key1;
}

(5)获取key1并打印的测试Conrtoller:

@RestController
public class UserController {
    @Autowired
    private ApolloConfig apolloConfig;
    @RequestMapping("/user")
    @ResponseBody
    public String user(){
        return apolloConfig.key1;
    }
}

3.启动Web应用,需要添加Apollo环境+地址参数:

(1)IntelliJ IDEA方式,Edit Configurations -> 左侧Application中选中ApolloApplication,右侧Configuration选项卡中,在VM options中填入:

-Dapollo.meta=http://192.168.233.128:8080 -Denv=dev

(2)运行jar包方式,展开IntelliJ IDEA右侧Maven -> 找到apollo模块Lifecycle菜单,分别双击clean、install,将target目录下生成的apollo.jar上传到centos7,并使用java命令启动:

[root@localhost ~]# java -jar -Dapollo.meta=http://192.168.233.128:8080 -Denv=dev apollo.jar &

(3)访问Web应用"/user"接口显示获取到的key1值可以看到效果(不停止Web应用,修改Apollo配置中心的key1值,重新发布,再刷新以下接口,可以看到值已经变成新的了):

http://192.168.233.128:10006/user

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