Mailinglist Archive: opensuse-buildservice (193 mails)

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RE: [opensuse-buildservice] Setting up a backup obs-server.
-----Original Message-----
From: Kanstantsin Shautsou [mailto:gentoo.integer@xxxxxxxxx]
Sent: 09 January 2014 16:04
To: Rob Zebedee
Cc: Adrian Schröter; opensuse-buildservice@xxxxxxxxxxxx
Subject: Re: [opensuse-buildservice] Setting up a backup obs-server.


On Jan 9, 2014, at 16:43 , Rob Zebedee <rzebedee@xxxxxxxxxx> wrote:

-----Original Message-----
From: Adrian Schröter [mailto:adrian@xxxxxxx]
Sent: 09 January 2014 12:31
To: opensuse-buildservice@xxxxxxxxxxxx
Cc: Rob Zebedee
Subject: Re: [opensuse-buildservice] RE: Setting up a backup obs-server.

On Donnerstag, 9. Januar 2014, 12:18:17 wrote Rob Zebedee:
-----Original Message-----
From: Adrian Schröter [mailto:adrian@xxxxxxx]
Sent: 09 January 2014 10:59
To: opensuse-buildservice@xxxxxxxxxxxx
Cc: Rob Zebedee
Subject: Re: [opensuse-buildservice] RE: Setting up a backup obs-
server.

On Donnerstag, 9. Januar 2014, 10:37:58 wrote Rob Zebedee:
Does anybody have any ideas on how I would create or setup a
backup
obs-server or any info that they can point me at to set this up.
Alternatively some info on how the b.o.o is setup if this is the best
way.
Do you have multiple api and webui servers?

no, but should be possible when using the same mysql database.

I was looking at trying that but I couldn't track down exactly where
the
config was for pointing a remote api/webui server at a remote database.
Could you tell where I would be able to configure this.

you setup just another api/webui on another host. As long, both use
same mysql you do not have a problem. (not api&webui is anyway
merged
in upcomming OBS 2.5)

I started to look at the mysql replication to back up the db but I
was unsure
of what else was required in the backup, i.e. what folders to include
and not include.

I am using a cname in the DNS to hopefully flick between servers and
then
just flick the slave db into master mode and bring the old master up
as a slave to keep in sync.

I suppose what I am trying to do is make both servers look at a
cname for
the db which resolves to the master then if needed stop the master,
switch the slave db to master mode and then switch the cname to point
at the slave server.
I this something that would work with the obs server?

it should, but not tested.

What config changes might I need in the BSConfig file for this to work?

well, backend has no fail-over support at all yet. You can just rsync.
What do I rsync? I am not sure I am getting my head round this completely.
All OBS files are stored in /srv/obs
+ you need backup mysql db (for obs installer it stored in
+ /srv/MySQL(?)) you need backup configs from:
* /etc/sysconfig/obs-*
* webui and api configs: /srv/www/obs/{api,webui}/config/options*
* /usr/lib/obs/server/BSConfig.pm
That mean that for DR you can install OBS server, restore all this files and
get
working server.

Thanks for the help on this one guys I think I understand it a bit better now.
I am going to upgrade to 2.4 on my current master after making some backups.
Then see if I can get both server is sync.

Robert Zebedee
Senior Integration Engineer | Evertz Europe


However, most critical is the source server. When you loose binaries
in the rep server, a scheduler cold start should identify that on a
cold start and just rebuild.

What would need to point at the cname and what could always point
locally?

for the database? just config/database.yml in api/webui.
Do I change the adaptor in these files? If so I am not sure what to change
it
to. Is it just hostname:mysql?
production:
adapter: mysql2 (is this what needs to be changed but what to.)
database: api_production
username: root
password: opensuse
encoding: utf8

Also what would point at the cname and what would point locally in the
BSConfig file? Do I just use the cname for all of these as it would always
point
the main server?

our $srcserver = "http://$hostname:5352";; our $reposerver =
"http://$hostname:5252";; our $serviceserver = "http://$hostname:5152";;



Sorry for a lot of questions I have scoured the wiki and I find some
half info
like such and such is possible but then nothing to backup what needs
to be changed to make it work.

If I get the above to work I will try and document what I have done
and
what changes would need to be made.

We have no support for HA/fallback servers in the backend so far .
(mysql could be configured as HA, but I have not tested that either).

So, the only way to backup them is using rsync for now.

What should be backed up via rsync? The whole of the obs directory
or just
certain folders.

/srv/obs

You can leave out log, events, tmp, run. But on the other hand, they
do not contain much data.


Or you are willing to work on real HA support for OBS (or sponsoring it).
I am happy to follow up on that with you in that case :)

happy new year
adrian

What config changes need to be made to run a distributed backend
and
what directories do all the servers need to see?
I found this info

http://wiki.maemo.org/OpenSuse_Build_Service/Installation

but it seems a bit old is this still valid info?
Robert Zebedee
Senior Integration Engineer | Evertz Europe


-----Original Message-----
From: Rob Zebedee [mailto:rzebedee@xxxxxxxxxx]
Sent: 03 January 2014 16:17
To: opensuse-buildservice@xxxxxxxxxxxx
Subject: [opensuse-buildservice] Setting up a backup obs-server.

I am building a backup private obs-server and would like to know
the best way to keep the main and backup in sync without
triggering too many rebuilds. Are the any particular tools /
methods for getting this
setup.
My main server is currently running obs 2.3 on opensuse 12.1 and
will be updated as soon as the backup is up and running and can
be used whilst the main is being updated to obs 2.4 on opensuse
12.3 the
same as the backup.

Any help greatly appreciated.

Robert Zebedee
Senior Integration Engineer | Evertz Europe

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3458137) is incorporated in England and Wales and has its
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100 Berkshire Place, Wharfedale Road, Winnersh, Wokingham,
Berkshire, United Kingdom, RG41 5RD. Pharos Communications Pte
Limited (Company No. 200817005N) is incorporated in Singapore and
has its registered office at One Marina Boulevard, #28-00.
Singapore
018989.


--

Adrian Schroeter
email: adrian@xxxxxxx

SUSE LINUX GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer,
HRB
21284 (AG Nürnberg)
Maxfeldstraße 5
90409 Nürnberg
Germany



This e-mail and any files transmitted with it are confidential and
intended
solely for the use of the individual or entity to whom they are
addressed. If you have received this e-mail in error please notify
the sender (as shown above). Kindly do not reproduce, print or
forward any material received in error, please delete it immediately.
Evertz UK Limited (Company No.
3458137) is incorporated in England and Wales and has its registered
office at
100 Berkshire Place, Wharfedale Road, Winnersh, Wokingham, Berkshire,
United Kingdom, RG41 5RD. Pharos Communications Pte Limited
(Company
No. 200817005N) is incorporated in Singapore and has its registered
office at One Marina Boulevard, #28-00. Singapore 018989.


--

Adrian Schroeter
email: adrian@xxxxxxx

SUSE LINUX GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer,
HRB
21284 (AG Nürnberg)
Maxfeldstraße 5
90409 Nürnberg
Germany



This e-mail and any files transmitted with it are confidential and intended
solely for the use of the individual or entity to whom they are addressed. If
you have received this e-mail in error please notify the sender (as shown
above). Kindly do not reproduce, print or forward any material received in
error, please delete it immediately. Evertz UK Limited (Company No.
3458137) is incorporated in England and Wales and has its registered office at
100 Berkshire Place, Wharfedale Road, Winnersh, Wokingham, Berkshire,
United Kingdom, RG41 5RD. Pharos Communications Pte Limited (Company
No. 200817005N) is incorporated in Singapore and has its registered office at
One Marina Boulevard, #28-00. Singapore 018989.
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To unsubscribe, e-mail: opensuse-
buildservice+unsubscribe@xxxxxxxxxxxx
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buildservice+owner@xxxxxxxxxxxx

This e-mail and any files transmitted with it are confidential and intended
solely for the use of the individual or entity to whom they are addressed. If
you have received this e-mail in error please notify the sender (as shown
above). Kindly do not reproduce, print or forward any material received in
error, please delete it immediately. Evertz UK Limited (Company No. 3458137) is
incorporated in England and Wales and has its registered office at 100
Berkshire Place, Wharfedale Road, Winnersh, Wokingham, Berkshire, United
Kingdom, RG41 5RD. Pharos Communications Pte Limited (Company No. 200817005N)
is incorporated in Singapore and has its registered office at One Marina
Boulevard, #28-00. Singapore 018989.
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