fix issue:

 * [issue #666] Fix the type of role phase in ks_km_zookeeper table

km-dist/init/sql/ddl-ks-km.sql

@@ -363,11 +363,11 @@ CREATE TABLE `ks_km_zookeeper` (
     `cluster_phy_id` bigint(20) NOT NULL DEFAULT '-1' COMMENT '物理集群ID',
     `host` varchar(128) NOT NULL DEFAULT '' COMMENT 'zookeeper主机名',
     `port` int(16) NOT NULL DEFAULT '-1' COMMENT 'zookeeper端口',
-    `role` int(16) NOT NULL DEFAULT '-1' COMMENT '角色, leader follower observer',
+    `role` varchar(16) NOT NULL DEFAULT '-1' COMMENT '角色, leader follower observer',
     `version` varchar(128) NOT NULL DEFAULT '' COMMENT 'zookeeper版本',
     `status` int(16) NOT NULL DEFAULT '0' COMMENT '状态: 1存活，0未存活，11存活但是4字命令使用不了',
     `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
     `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
     PRIMARY KEY (`id`),
     UNIQUE KEY `uniq_cluster_phy_id_host_port` (`cluster_phy_id`,`host`, `port`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Zookeeper信息表';
\ No newline at end of file
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Zookeeper信息表';