xiaoyuyao commented on a change in pull request #1175: URL: https://github.com/apache/hadoop-ozone/pull/1175#discussion_r451675490
########## File path: hadoop-hdds/docs/content/security/SecuringDatanodes.zh.md ########## @@ -0,0 +1,53 @@ +--- +title: "安全化 Datanode" +date: "2019-April-03" +weight: 2 +summary: 解释安全化 datanode 的不同模式，包括 Kerberos、证书的手动颁发和自动颁发等。 +icon: th +--- +<!--- + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> + + +过去，Hadoop 中 datanode 的安全机制是通过在节点上创建 Keytab 文件实现的，而 Ozone 改用 datanode 证书，在安全的 Ozone 集群中，datanode 不再需要 Kerberos。 + +但是我们也支持传统的基于 Kerberos 的认证来方便现有用户，用户只需要在 hdfs-site.xml 里配置下面参数即可： + +参数名|描述 +--------|-------------- +dfs.datanode.kerberos.principal| datanode 的服务主体名 <br/> 比如：dn/_h...@realm.com +dfs.datanode.keytab.file| datanode 进程所使用的 keytab 文件 +hdds.datanode.http.kerberos.principal| datanode http 服务器的服务主体名 +hdds.datanode.http.kerberos.keytab| datanode http 服务器所使用的 keytab 文件 + + +## 如何安全化 datanode + +在 Ozone 中，当 datanode 启动并发现 SCM 的地址之后，datanode 要做的第一件事就是创建私钥并向 SCM 发送证书请求。 + +<h3>通过 Kerberos 颁发证书<span class="badge badge-secondary">当前模型</span></h3> +SCM 有一个内置的 CA 用来批准证书请求，如果 datanode 已经有一个 Kerberos keytab，SCM 会信任它并自动颁发一个证书。 + + +<h3>手动颁发<span class="badge badge-primary">开发中</span></h3> +如果 datanode 是新加入的并且没有 keytab，那么证书请求需要等待管理员的批准。换句话说，信任关系链由集群管理员建立。 Review comment: "chain of trust" is better, pls fix it in both EN and CN doc. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: ozone-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: ozone-issues-h...@hadoop.apache.org
