本文节选自《Netkiller Java 手札》
Spring boot 每次升级打包发给运维操作,常常运维操作不当致使升级失败,开发怎样确认线上的jar/war包与升级包一致呢?
请看下面的解决方案
所有 RestController将会集成 CommonRestController
package cn.netkiller.api.rest;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
public class CommonRestController {
@RequestMapping("ping")
@ResponseStatus(HttpStatus.OK)
public String welcome() {
return "PONG";
}
@RequestMapping("commit")
public String commit() {
return "$Id$";
}
@RequestMapping("auth")
@ResponseStatus(HttpStatus.OK)
public String auth(@AuthenticationPrincipal final UserDetails user) {
return String.format("%s: %s %s", user.getUsername(), user.getPassword(), user.getAuthorities());
}
}
我们创建一个RestController并继承CommonRestController用来测试
package cn.netkiller.api.rest;
@RestController
@RequestMapping("/public/version")
public class VersionRestController extends CommonRestController {
private static final Logger logger = LoggerFactory.getLogger(VersionRestController.class);
public VersionRestController() {
// TODO Auto-generated constructor stub
}
@RequestMapping("welcome")
@ResponseStatus(HttpStatus.OK)
public String welcome() {
return "Welcome to RestTemplate version 1.0.";
}
}
# vim .gitattributes
src/main/java/cn/netkiller/api/rest/CommonRestController.java ident
使用curl命令调用commit接口可以显示当前war/jar最后一次提交的版本号码(你同样可以使用IE浏览器)
curl https://api.netkiller.cn/public/version/commit.json
$Id: 929bc9e4c90b4d68c25dc693618f23b33fd6ba0f $