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From "genericqa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14445) Delegation tokens are not shared between KMS instances
Date Tue, 26 Dec 2017 05:00:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16303471#comment-16303471
] 

genericqa commented on HADOOP-14445:
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| {color:green} The patch appears to include 1 new or modified test files. {color} |
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| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 26s{color}
| {color:orange} hadoop-common-project: The patch generated 3 new + 23 unchanged - 0 fixed
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| {color:green}+1{color} | {color:green} unit {color} | {color:green}  8m 25s{color} | {color:green}
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| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 17s{color} | {color:green}
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:c2d96dd |
| JIRA Issue | HADOOP-14445 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12903676/HADOOP-14445-branch-2.8.002.patch
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| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  shadedclient
 findbugs  checkstyle  |
| uname | Linux 70d209c119f3 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18 11:55:51 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2.8 / 19f518d |
| maven | version: Apache Maven 3.0.5 |
| Default Java | 1.7.0_151 |
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/13886/artifact/out/diff-checkstyle-hadoop-common-project.txt
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|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/13886/testReport/ |
| Max. process+thread count | 1680 (vs. ulimit of 5000) |
| modules | C: hadoop-common-project/hadoop-common hadoop-common-project/hadoop-kms U: hadoop-common-project
|
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/13886/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Delegation tokens are not shared between KMS instances
> ------------------------------------------------------
>
>                 Key: HADOOP-14445
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14445
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: kms
>    Affects Versions: 2.8.0, 3.0.0-alpha1
>         Environment: CDH5.7.4, Kerberized, SSL, KMS-HA, at rest encryption
>            Reporter: Wei-Chiu Chuang
>            Assignee: Rushabh S Shah
>         Attachments: HADOOP-14445-branch-2.8.002.patch, HADOOP-14445-branch-2.8.patch
>
>
> As discovered in HADOOP-14441, KMS HA using LoadBalancingKMSClientProvider do not share
delegation tokens. (a client uses KMS address/port as the key for delegation token)
> {code:title=DelegationTokenAuthenticatedURL#openConnection}
> if (!creds.getAllTokens().isEmpty()) {
>         InetSocketAddress serviceAddr = new InetSocketAddress(url.getHost(),
>             url.getPort());
>         Text service = SecurityUtil.buildTokenService(serviceAddr);
>         dToken = creds.getToken(service);
> {code}
> But KMS doc states:
> {quote}
> Delegation Tokens
> Similar to HTTP authentication, KMS uses Hadoop Authentication for delegation tokens
too.
> Under HA, A KMS instance must verify the delegation token given by another KMS instance,
by checking the shared secret used to sign the delegation token. To do this, all KMS instances
must be able to retrieve the shared secret from ZooKeeper.
> {quote}
> We should either update the KMS documentation, or fix this code to share delegation tokens.



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