Re: Change Request: Race condition syncing static websites to proxies

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On Tue, 11 May 2010, Toshio Kuratomi wrote:

> mmcgrath noted that we have a race condition in our syncStatic.sh script
> that is leading to proxies not having copies of the website.  Here's a patch
> to the syncStatic script to fix that:
>
> diff --git a/modules/fedora-web/files/syncStatic.sh b/modules/fedora-web/files/syncStatic.sh
> index 23f5181..9c1b7ac 100644
> --- a/modules/fedora-web/files/syncStatic.sh
> +++ b/modules/fedora-web/files/syncStatic.sh
> @@ -26,7 +26,7 @@ cd fedora-web
>
>  pushd fedoraproject.org > /dev/null
>  make > /dev/null 2>&1
> -rsync -qa --delete out/* /srv/web/fedoraproject.org/
> +rsync -qa --delete out/ /srv/web/fedoraproject.org/
>  popd > /dev/null
>
>  # Make sure everything else builds from master.
> @@ -34,26 +34,22 @@ popd > /dev/null
>  /usr/bin/git checkout -q master || exit 1
>
>  pushd spins.fedoraproject.org > /dev/null
> -/bin/rm -rf /srv/web/spins.fedoraproject.org/*
>  make > /dev/null 2>&1
> -rsync -qa --delete out/* /srv/web/spins.fedoraproject.org/
> +rsync -qa --delete out/ /srv/web/spins.fedoraproject.org/
>  popd > /dev/null
>
>  pushd talk.fedoraproject.org > /dev/null
> -/bin/rm -rf /srv/web/talk.fedoraproject.org/*
>  make > /dev/null 2>&1
> -rsync -qa --delete out/* /srv/web/talk.fedoraproject.org/
> +rsync -qa --delete out/ /srv/web/talk.fedoraproject.org/
>  popd > /dev/null
>
>  pushd boot.fedoraproject.org > /dev/null
> -/bin/rm -rf /srv/web/boot.fedoraproject.org/*
>  make > /dev/null 2>&1
> -rsync -qa --delete out/* /srv/web/boot.fedoraproject.org/
> +rsync -qa --delete out/ /srv/web/boot.fedoraproject.org/
>  popd > /dev/null
>
>  pushd start.fedoraproject.org > /dev/null
> -/bin/rm -rf /srv/web/start.fedoraproject.org/*
>  make > /dev/null 2>&1
> -rsync -qa --delete out/* /srv/web/start.fedoraproject.org/
> +rsync -qa --delete out/ /srv/web/start.fedoraproject.org/
>  popd > /dev/null
>
>
> The patch does two things:
>
> 1) Removes the rm -rf step as that is causing the race (when proxies sync
> data after the rm -rf and before hte rsync, they get an empty directory)
>
> 2) Removes the wildcard from the rsync.  The wildcard was preventing the
> --delete from functioning as expected.  I believe (but ricky can confirm)
> that the --delete not removing files that are no longer needed from the
> final output directory is why we had the rm -rf in the first place.
>
> Could I get two +1's for this change?
>
> -Toshio
>


+1 from me, this was causing problems.

	-Mike
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