[jbosstools-issues] [JBoss JIRA] (JBIDE-15482) Replace staging & staging.previous (two builds w/ reused URLs) with uniquely timestamped build URLs and auto-regenerated composite*.xml files

[Mickael Istria (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-15482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926964#comment-12926964 ] 

Mickael Istria commented on JBIDE-15482:
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> I don't see the difference, because mirroring would fail anyway

Actually, it would rarely (never?) fail. The issue which causes builds to fail is that Tycho appears to first fetch metadata, and fetch dependencies later, which create a delay where site can disappear. If we mirror first, the delay is much shorter, so we reduce the risk of errors, and moreover, we'd see build failing during this preparation test, making it clear it's not an actual aggregation issue.
                
> Replace staging & staging.previous (two builds w/ reused URLs) with uniquely timestamped build URLs and auto-regenerated composite*.xml files
> ---------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBIDE-15482
>                 URL: https://issues.jboss.org/browse/JBIDE-15482
>             Project: Tools (JBoss Tools)
>          Issue Type: Task
>          Components: build, updatesite
>            Reporter: Nick Boldt
>            Assignee: Nick Boldt
>             Fix For: 4.2.0.Alpha1
>
>
> Be it proposed:
> {quote}
> that instead of an in-place move which reuses
> generic folder names like "staging" and "staging.previous", we
> composite build output using unique names like
> 2013-08-09_05-05-26-B7222/ or 2013-08-13_10-05-28-B7255
> {quote}
> We therefore need:
> a) to regenerate the composite site each time there's a new build
> published, in order to remove the oldest and add the newest (keeping
> only the Nth and N-1rst builds)
> (I have a script that might already work for this, or would need
> tweaking.)
> b) heuristics to determine when an older (N-2, N-3, ... N-z) build is
> no longer needed, perhaps simply by assuming no one needs it after 
> 24hrs?
> 24 hours should be more that enough.
> c) a cleanup script which can purge all but the builds which are no
> more than 1 day old, keeping at all times at least two builds (N and 
> N-1)
> (I have a script that already does this for folders like
> http://download.jboss.org/jbosstools/builds/nightly/core/trunk/ but
> might need to be tweaked to work for a new pattern of
> staging/\$\{JOB_NAME}/<BUILD_ID>/ .)
> {quote}

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