Mailinglist Archive: zypp-devel (75 mails)

[Peter Poeml <poeml@xxxxxxx>]

Hi,

On Mon, Apr 21, 2008 at 07:41:46PM +0200, Dr. Peter Poeml wrote:
> I have implemented a text mirror list for libzypp, which is returned
> for requests containing the rfc 2295 header shown below.
> I slightly changed the format.
> The returned mime type is application/mirrorlist-txt.
> A Vary header is set on the header for proper caching.
>
>
>  % curl -sH "Accept-Features: mirrorlist-txt" 
> 'http://download.opensuse.org/distribution/10.3/repo/oss/suse/repodata/primary.xml.gz'
>  | head -6 
> # mirrorlist-txt version=1.0
> # url baseurl_len mirrorid region:country power
> http://ftp.tu-chemnitz.de/pub/linux/opensuse/distribution/10.3/repo/oss/suse/repodata/primary.xml.gz
>  45 39 EU:de 100
> http://download.uni-hd.de/ftp/pub/linux/opensuse/distribution/10.3/repo/oss/suse/repodata/primary.xml.gz
>  49 41 EU:de 100
> http://opensuse.intergenia.de/distribution/10.3/repo/oss/suse/repodata/primary.xml.gz
>  30 75 EU:de 100
> http://widehat.opensuse.org/distribution/10.3/repo/oss/suse/repodata/primary.xml.gz
>  28 97 EU:de 50

Two things:

1) 

After more research, it is not needed to use Accept-Features, using
Accept request header is enough, and also straightforward.
Thus, the client needs to send "application/mirrorlist-txt" (the mime
type) in the Accept header from now on. (The above method still works
but we can remove it later on.) ((The mime-type is not well though-out,
text/mirrorlist-something might be better, or a vendor specific mime type,
let's see that later.))


2)

I have implemented injection of broken mirrors at the top of the list
for testing failover. Any client with "getPrimaryFailover-agent/0.1" in
User-Agent will get the following mirrors at the top of the list:

 % curl -s -A "getPrimaryFailover-agent/0.1" -H "Accept: foobar, 
application/mirrorlist-txt, */*" 
'http://localhost:80/zrkadlo/distribution/10.3/repo/oss/GPLv3.txt?clientip=128.176.216.184'
 | head
# mirrorlist-txt version=1.0
# url baseurl_len mirrorid region:country power
http://doesnotexist/distribution/10.3/repo/oss/GPLv3.txt 20 10001 EU:DE 100
http://www.poeml.de/nonexisting_file_for_libzypp 20 10002 EU:DE 100
http://www.poeml.de:83/nonexisting_file_for_libzypp 23 10003 EU:DE 100
http://ftp.opensuse.org:21/foobar 27 10004 EU:DE 100
http://download.opensuse.org/server-status 42 10005 EU:DE 100
http://widehat.opensuse.org:22/foobar 37 10006 EU:DE 100

I'll put it it into production onto download.opensuse.org in a few minutes.

> I have updated http://en.opensuse.org/Libzypp/Failover accordingly. 

...and updated again.

Nice weekend,
Peter
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