[Systems] What happened to the mirror? (Was [Systems-logs] Cron <root at sunjammer> test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly ))

[Samuel Cantero]

On Thu, Mar 10, 2016 at 11:28 PM, Bernie Innocenti <bernie at codewiz.org>
wrote:

> I was thinking: we've been running without Mirrorbrain for several weeks
> and nothing bad happened. Clearly, we have enough bandwidth to manage
> all downloads from sunjammer.
>
> There may be benefits in offloading downloads to locations closer to the
> user, but mirror redirection was a pretty complex and fragile system
> which should justify itself.
>
> Samuel, could you please download the same large file from
> download.sugarlabs.org and from each of the mirrors to see if there is a
> substantial benefit?
>

How can I get all the mirrors? Since the upgrade we do not have the
mirrorbrain command (mb), so I can't list the mirrors.

>
> I suspect that, for large files, the reduced latency won't matter... and
> for small files, the extra HTTP redirect from sunjammer to the mirror
> may even make things a bit *worse* :-)
>
>
> On 03/06/2016 08:22 PM, Samuel Cantero wrote:
> > Hi Sam,
> >
> > I would go for the 2nd approach. Apparently it all fit correctly and we
> > can continue moving our services to docker containers.
> >
> > Best regards,
> >
> > Samuel C.
> >
> >
> >
> > On Sun, Mar 6, 2016 at 6:56 AM, Sam Parkinson <sam.parkinson3 at gmail.com
> > <mailto:sam.parkinson3 at gmail.com>> wrote:
> >
> >
> >     On Sun, Mar 6, 2016 at 5:47 PM, Cron Daemon <root at sugarlabs.org
> >     <mailto:root at sugarlabs.org>> wrote:
> >>     /etc/cron.weekly/mirrorbrain: bash: asn_import: command not found
> >
> >     This cron error message hides that mirrorbrain isn't running at all
> >     now.  See this in
> >
> >     1) appending ".mirrorlist" to a download.sugarlabs.org
> >     <http://download.sugarlabs.org> URL now gives a 404 (should show a
> >     list of mirrors and file metadata)
> >     2) our MirrorMon [1] (which uses data from mirrorbrain) now shows
> >     that there are no mirrors.  This is a lie, arrnet's still mirroring
> >     us [2]
> >
> >     Upon further investigation, it doesn't seem to be even set up
> properly:
> >
> >     1)  "sudo -u mirrorbrain mb" (mb is mirrorbrain config tool) ->
> >     "sudo: mb: command not found"
> >     2) from apt.sources.list "#bernie: mirrorbrain no longer supported
> >     on trusty :-("
> >
> >     So, any preferences for a plan of action?  So far, I can think of:
> >
> >     1)  Compile it from source.  MirrorBrain moves slowly, so my old tut
> >     about this is still up to date [3].  But this feels so dirty and bad.
> >     2)  Use a Debian 8 docker container.  The mirror brain repos [4]
> >     include packages for it, so it is just a package manager install in
> >     that respect.  We can base it off the official docker apache
> >     images[5], which use debian jessie.
> >
> >     Thanks,
> >     Sam
> >
> >     [1]  https://mirrors.sugarlabs.org/
> >     [2]  http://mirror.aarnet.edu.au/pub/sugarlabs/
> >     [3]
> >
> https://www.digitalocean.com/community/tutorials/how-to-set-up-a-mirror-director-with-mirrorbrain-on-ubuntu-14-04
> >     [4]  http://download.opensuse.org/repositories/Apache:/MirrorBrain/
> >     [5]
> https://github.com/docker-library/httpd/blob/master/2.4/Dockerfile
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> >
> >
> >
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> >
>
>
> --
>  _ // Bernie Innocenti
>  \X/  http://codewiz.org
>
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