apollo-common/src/main/java/com/ctrip/framework/apollo/common/dto/GrayReleaseRuleItemDTO.java/GrayReleaseRuleItemDTO/ipMatches
class GrayReleaseRuleItemDTO:  private boolean ipMatches(String clientIp) {
    return this.clientIpList.contains(ALL_IP) || clientIpList.contains(clientIp);
  }