[jboss-jira] [JBoss JIRA] Commented: (JBAS-8680) More robust handling of previous versions of the configuration files

[Brian Stansberry (JIRA)]

    [ https://jira.jboss.org/browse/JBAS-8680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565982#comment-12565982 ] 

Brian Stansberry commented on JBAS-8680:
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The description above focuses on standalone.xml, but the same applies to domain.xml and host.xml.

> More robust handling of previous versions of the configuration files
> --------------------------------------------------------------------
>
>                 Key: JBAS-8680
>                 URL: https://jira.jboss.org/browse/JBAS-8680
>             Project: JBoss Application Server
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Domain Management
>            Reporter: Brian Stansberry
>             Fix For: 7.0.0.Beta1
>
>
> Currently when an update is made to the configuration, we copy the config file to ".lastknowngood" and write a new version. We need something more sophisticated than that.
> 1) The original version of present on server start should be saved as .original.
> 2) We should keep a proper versioned history (standalone.xml.v1, standalone.xml.v2 etc)
> 3) Keep a standalone.xml.last which is the same as the current standalone.xml. This can be used to detect (via file timestamps) changes to standalone.xml made while the server is offline -- such change results in a new .original.
> 4) We need to create proper semantics for the ".lastknowngood" notion, or scrap it. Right now it's just the previous version of the file, which may or may not have been "good".

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