[jira] [Commented] (SENTRY-1317) Implement fencing required for active/passive

["Colin Patrick McCabe (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SENTRY-1317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365403#comment-15365403 ] 

Colin Patrick McCabe commented on SENTRY-1317:
----------------------------------------------

* New fencing and active/passive code
** Activator to store the state about whether the daemon is active or not, as well as manage fencing
** Create Fencer to implement SQL fencing.
** Add SqlAccessor to talk directly to SQL databases

* LeaderStatus: generate shorter incarnation IDs by using base64.

* LeaderStatusAdaptor: implement close()

* Remove old code which is no longer used
** HAContext
** PluginCacheSyncUtil
** TestHAUpdateForwarder
** ServiceRegister

* SentryStore
** move DataNucleus properties setup into a utility function
** Remove unused {{DEFAULT_DATA_DIR}} variable (it's not used anywhere in the code)
** SentryStore should maintain a reference to the Activator

* Add SentryStandbyException to indicate that the daemon is currently standby

* Move SENTRY_ZK_JAAS_NAME from HAContext to SentryConstants

* DelegateSentryStore: make some fields final

> Implement fencing required for active/passive
> ---------------------------------------------
>
>                 Key: SENTRY-1317
>                 URL: https://issues.apache.org/jira/browse/SENTRY-1317
>             Project: Sentry
>          Issue Type: Sub-task
>            Reporter: Sravya Tirukkovalur
>            Assignee: Colin Patrick McCabe
>             Fix For: sentry-ha-redesign
>
>         Attachments: SENTRY-1317.001-sentry-ha-redesign.patch, SENTRY-1317.002-sentry-ha-redesign.patch, SENTRY-1317.003-sentry-ha-redesign.patch, SENTRY-1317.004-sentry-ha-redesign.patch
>
>




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