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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/10/23 06:57:39 UTC
[GitHub] [flink] rmetzger commented on a change in pull request #13690: [FLINK-16595][YARN]support more HDFS nameServices in yarn mode when security enabled. Is…
rmetzger commented on a change in pull request #13690:
URL: https://github.com/apache/flink/pull/13690#discussion_r510669615
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File path: flink-yarn/src/main/java/org/apache/flink/yarn/configuration/YarnConfigOptions.java
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@@ -294,6 +294,13 @@
"they doesn't need to be downloaded every time for each application. An example could be " +
"hdfs://$namenode_address/path/of/flink/lib");
+ public static final ConfigOption<List<String>> YARN_ACCESS =
+ key("yarn.access.hadoopFileSystems")
Review comment:
I believe it would be better to use `yarn.security.kerberos.additionalFileSystems`, because we have already a config key prefixed with `yarn.security.kerberos.` in the `yarn.` keys.
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File path: flink-yarn/src/main/java/org/apache/flink/yarn/configuration/YarnConfigOptions.java
##########
@@ -294,6 +294,13 @@
"they doesn't need to be downloaded every time for each application. An example could be " +
"hdfs://$namenode_address/path/of/flink/lib");
+ public static final ConfigOption<List<String>> YARN_ACCESS =
+ key("yarn.access.hadoopFileSystems")
+ .stringType()
+ .asList()
+ .noDefaultValue()
+ .withDescription("If you have extra Hadoop filesystems and enabled security, list all of those URLs.");
Review comment:
```suggestion
.withDescription("A comma-separated list of additional Kerberos-secured Hadoop filesystems Flink is going to access. For example, yarn.security.kerberos.additionalFileSystems=hdfs://namenode2:9002,hdfs://namenode3:9003. The client submitting to YARN needs to have access to these file systems to retrieve the security tokens.");
```
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