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KAFKA-12590: Remove deprecated kafka.security.auth.Authorizer, SimpleAclAuthorizer and related classes in 3.0 #10450

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ijuma
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@ijuma ijuma commented Mar 31, 2021

These were deprecated in Apache Kafka 2.4 (released in December 2019) to be replaced
by org.apache.kafka.server.authorizer.Authorizer and AclAuthorizer.

As part of KIP-500, we will implement a new Authorizer implementation that relies
on a topic (potentially a KRaft topic) instead of ZooKeeper, so we should take the chance
to remove related tech debt in 3.0.

Details on the issues affecting the old Authorizer interface can be found in the KIP:
https://cwiki.apache.org/confluence/display/KAFKA/KIP-504+-+Add+new+Java+Authorizer+Interface

Committer Checklist (excluded from commit message)

  • Verify design and implementation
  • Verify test coverage and CI build status
  • Verify documentation (including upgrade notes)

@ijuma ijuma changed the title KAFKA-12590: Remove deprecated SimpleAclAuthorizer and related classes KAFKA-12590: Remove deprecated kafka.security.auth.Authorizer, SimpleAclAuthorizer and related classes Mar 31, 2021
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ijuma commented Mar 31, 2021

@rajinisivaram @omkreddy Thoughts on this? Do you know if third-party implementations have migrated to the new interface?

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looks like Apache Ranger is not migrated to the new interface.

maybe we can remove and send a mail to the mailing list?

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ijuma commented Mar 31, 2021

@omkreddy Thanks. Maybe we can file a JIRA. Their code would probably be quite a bit simpler by not having to deal with the Scala conversions.

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ijuma commented Mar 31, 2021

Also, did Sentry migrate?

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omkreddy commented Mar 31, 2021

Sentry project has retired. so no issues i think.

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ijuma commented Apr 2, 2021

I filed a JIRA for Apache Ranger:
https://issues.apache.org/jira/browse/RANGER-3231

@ijuma ijuma changed the title KAFKA-12590: Remove deprecated kafka.security.auth.Authorizer, SimpleAclAuthorizer and related classes KAFKA-12590: Remove deprecated kafka.security.auth.Authorizer, SimpleAclAuthorizer and related classes in 3.0 Apr 2, 2021
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ijuma commented Apr 2, 2021

@omkreddy I updated the PR description to elaborate a bit more on the motivation. I agree we should go ahead with this PR. Can you review it, please?

@@ -27,6 +27,8 @@ <h5><a id="upgrade_300_notable" href="#upgrade_300_notable">Notable changes in 3
or updating the application not to use internal classes.</li>
<li>The Streams API removed all deprecated APIs that were deprecated in version 2.5.0 or earlier.
For a complete list of removed APIs compare the detailed Kafka Streams upgrade notes.</li>
<li>The deprecated Scala <code>Authorizer</code><code>, <code>SimpleAclAuthorizer</code> and related classes have been removed. Please use the Java <code>Authorizer</code>
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extra/unbalanced opening tag at end of <code>Authorizer</code><code>

Comment on lines 96 to 97
# Bounce again with ACLs for new mechanism.
self.set_authorizer_and_bounce(security_protocol, security_protocol, KafkaService.ACL_AUTHORIZER)
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Can invoke self.set_authorizer_and_bounce(security_protocol, security_protocol) as is done elsewhere in this file and eliminate the ability to specify a different authorizer class name in the method, like this:

    def set_authorizer_and_bounce(self, client_protocol, broker_protocol):
        self.kafka.authorizer_class_name = KafkaService.ACL_AUTHORIZER

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Thanks, updated.

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@ijuma Thanks for the PR. LGTM.

@ijuma ijuma merged commit 976e78e into apache:trunk Apr 3, 2021
@ijuma ijuma deleted the kafka-12590-remove-deprecated-simple-acl-authorizer branch April 3, 2021 15:23
ijuma added a commit to ijuma/kafka that referenced this pull request Apr 4, 2021
…e-allocations-lz4

* apache-github/trunk: (243 commits)
  KAFKA-12590: Remove deprecated kafka.security.auth.Authorizer, SimpleAclAuthorizer and related classes in 3.0 (apache#10450)
  KAFKA-3968: fsync the parent directory of a segment file when the file is created (apache#10405)
  KAFKA-12283: disable flaky testMultipleWorkersRejoining to stabilize build (apache#10408)
  MINOR: remove KTable.to from the docs (apache#10464)
  MONOR: Remove redudant LocalLogManager (apache#10325)
  MINOR: support ImplicitLinkedHashCollection#sort (apache#10456)
  KAFKA-12587 Remove KafkaPrincipal#fromString for 3.0 (apache#10447)
  KAFKA-12426: Missing logic to create partition.metadata files in RaftReplicaManager (apache#10282)
  MINOR: Improve reproducability of raft simulation tests (apache#10422)
  KAFKA-12474: Handle failure to write new session keys gracefully (apache#10396)
  KAFKA-12593: Fix Apache License headers (apache#10452)
  MINOR: Fix typo in MirrorMaker v2 documentation (apache#10433)
  KAFKA-12600: Remove deprecated config value `default` for client config `client.dns.lookup` (apache#10458)
  KAFKA-12952: Remove deprecated LogConfig.Compact (apache#10451)
  Initial commit (apache#10454)
  KAFKA-12575: Eliminate Log.isLogDirOffline boolean attribute (apache#10430)
  KAFKA-8405; Remove deprecated `kafka-preferred-replica-election` command (apache#10443)
  MINOR: Fix docs for end-to-end record latency metrics (apache#10449)
  MINOR Replaced File with Path in LogSegmentData. (apache#10424)
  KAFKA-12583: Upgrade netty to 4.1.62.Final
  ...
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