On 30/05/16 11:32, Ewen McNeill wrote:
Possibly Doron/Benjamin could work on a way to point download.zeromq.org
at Benjamin's mirror in a way that maintains the existing URLs
continuity for now?
Random alternative thought: find somewhere (Amazon free
instance/sponsored by someone? someone's existing VM/machine?) to host
"download.zeromq.org" that is _only_ a redirect service, working just
from regexes?
Eg,
http://download.zeromq.org/zmq-0.1.tar.gz
needs to become:
https://archive.org/download/zeromq_0.1/zmq-0.1.tar.gz
which is (in Apache syntax --
http://httpd.apache.org/docs/2.4/mod/mod_alias.html#redirectmatch) is
something like:
RedirectMatch permanent "^zmq-([0-9.]+)\.(.+)$"
"https://archive.org/download/zeromq_$1/zmq-$1.$2";
and so on, for the dozen or so pattern variations. (All the original
filenames were preserved on upload to archive.org, and the archive.org
identifiers -- those "directory names" -- were generated with what
amounted to a regex, so that should be repeatable with a regex.)
The newest downloads could be pointed at the GitHub Release copies. Eg,
http://download.zeromq.org/zeromq-4.1.4.tar.gz
needs to be come:
https://github.com/zeromq/zeromq4-1/releases/download/v4.1.4/zeromq-4.1.4.tar.gz
which is an Apache-redirect something like
RedirectMatch permanent "^zeromq-(4\.1\.[4-9])\.(.+)$"
"https://github.com/zeromq/zeromq4-1/releases/download/v$1/zeromq-$1.$2";
and with some variations on version number could auto-handle any new
releases without much extra setup, assuming the version tag structure
stays the same.
Then we point download.zeromq.org DNS at the system that just performs
those redirects. Because it wouldn't actually serve up the traffic --
just redirects -- I don't think it'd end up using much data (which makes
using, eg Amazon cheaper).
But maybe the effort is better expended in getting people still pointing
at download.zeromq.org to update their download URLs. (Eg, I can file a
ticket for MacPorts once there's a clear answer for what to tell them
for updates.)
Ewen
PS: IIRC Amazon free tier runs out on using up a certain number of
credits _or_ a certain amount of calendar time (a year?), so if it was
set up with a free tier instance it'd eventually die if not converted to
a paid service. But a paid service just serving redirects is hopefully
cheap.
Or maybe someone on the list could host a redirector. lighttpd
mod_redirect might have sufficient flexibility:
http://redmine.lighttpd.net/projects/1/wiki/docs_modredirect
but I've not used it for this sort of "complex" redirect myself. And
nginx rewrite serving up a redirect response in theory should work:
https://www.nginx.com/blog/converting-apache-to-nginx-rewrite-rules/
https://www.nginx.com/blog/creating-nginx-rewrite-rules/
http://nginx.org/en/docs/http/ngx_http_rewrite_module.html
but I've also not used it for anything this complex myself.
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