public static String getHostName() {
		try {
			return InetAddress.getLocalHost().getHostName();
		}
		catch (UnknownHostException e) {
			throw new RuntimeException(e);
		}
	}
Get host name.

@return host name
spring-cloud-alibaba-tests/spring-cloud-alibaba-test-support/src/main/java/com/alibaba/cloud/testsupport/InetUtil.java