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https://issues.apache.org/jira/browse/SPARK-6229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487878#comment-14487878
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Jeffrey Turpin commented on SPARK-6229:
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Hey Marcelo,
I have been working on SPARK-6373 and have reviewed you pull request and merged
into my wip https://github.com/turp1twin/spark/tree/ssl-shuffle. I tried to
follow the general design pattern that I discussed with Aaron Davidson, by
having a single EncryptionHandler interface and implementations for both SSL
and SASL Encryption. One issue I faced is that the timing of adding the
appropriate encryption handlers differs for SSL and SASL. For SSL, I need to
add the SslHandler to the Netty pipeline before the connection is made, and for
SASL, it looks like you add it during the TransportClient/Server Bootstrap
process which occurs after the initial connection. Anyways, I haven't created a
pull request yet and am waiting on some more feedback... If you have some time
perhaps you can give me your thoughts... Some commits of interest...
https://github.com/apache/spark/commit/ab8743f6ac707060cbae63bdf491723709fe32f3
https://github.com/apache/spark/commit/9527aef89b1bbc80a22337552dd54af936aa1094
Cheers,
Jeff
> Support SASL encryption in network/common module
> ------------------------------------------------
>
> Key: SPARK-6229
> URL: https://issues.apache.org/jira/browse/SPARK-6229
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Reporter: Marcelo Vanzin
>
> After SASL support has been added to network/common, supporting encryption
> should be rather simple. Encryption is supported for DIGEST-MD5 and GSSAPI.
> Since the latter requires a valid kerberos login to work (and so doesn't
> really work with executors), encryption would require the use of DIGEST-MD5.
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