Xiao Chen created HADOOP-13155:
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Summary: Implement TokenRenewer in KMS and HttpFS
Key: HADOOP-13155
URL: https://issues.apache.org/jira/browse/HADOOP-13155
Project: Hadoop Common
Issue Type: Bug
Reporter: Xiao Chen
Assignee: Xiao Chen
DelegationToken is done in Yarn by {{DelegationTokenRenewer}}, where it calls
{{Token#renew}} and uses ServiceLoader to get the renewer class
([code|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java#L382])
We seem to miss the token renewer class in KMS/HttpFSFileSystem, and hence Yarn
defaults to {{TrivialRenewer}} for DT of these kinds, resulting in the token
not renewed.
As a side note, {{HttpFSFileSystem}} does have a {{renewDelegationToken}} API,
but I don't see it invoked in hadoop code base. KMS does not have any renew
hook.
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