[jira] [Reopened] (HADOOP-9574) Add new methods in AbstractDelegationTokenSecretManager for restoring RMDelegationTokens on RMRestart

["Jian He (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jian He reopened HADOOP-9574:
-----------------------------


TestDelegationToken.testRollMasterKey is possibly failing because of timing issue
                
> Add new methods in AbstractDelegationTokenSecretManager for restoring RMDelegationTokens on RMRestart
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9574
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9574
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>             Fix For: 2.0.5-beta
>
>         Attachments: HADOOP-9574.1.patch, HADOOP-9574.2.patch
>
>
> we're considering to add the following methods in AbstractDelegationTokenSecretManager for restoring RMDelegationTokens, these methods can also possibly be reused by hdfsDelegationTokenSecretManager, see YARN-638
>   protected void storeNewMasterKey(DelegationKey key) throws IOException {
>     return;
>   }
>   protected void removeStoredMasterKey(DelegationKey key) {
>     return;
>   }
>   protected void storeNewToken(TokenIdent ident, long renewDate) {
>     return;
>   }
>   protected void removeStoredToken(TokenIdent ident) throws IOException {
>   }
>   protected void updateStoredToken(TokenIdent ident, long renewDate) {
>     return;
>   }
> Also move addPersistedDelegationToken in hdfs.DelegationTokenSecretManager, to AbstractDelegationTokenSecretManager

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