On Sat, Jan 26, 2019 at 02:55:29PM +0100, Eugene Crosser wrote: > Hello, > > I would like to suggest to change the default name of the configuration file > for > bird version 2.0.
Hello We noticed the issue when working on Debian packages for BIRD 2.0. Renaming the config file in upstream is not a good idea, as some distributions already have packages for BIRD 2.0, so that would complicate life for them. Debian BIRD package use /etc/bird/bird.conf instead of /etc/bird.conf (by compile-time option), so it was suggested to use /etc/bird2/bird.conf for BIRD 2.0, but i opposed to that on the grounds that long-term goal is to abandon 1.6 branch and then rename bird2 package back to bird without other user-visible disruptions (i.e. renaming config file or binaries back). > The two bird versions cannot use the same file because of syntax change. And > some of us distribute the file via configuration management tools (like > ansible > etc.). This makes upgrade path rather difficult and unnecessarily error-prone: > you need to synchronize exchange of the version of the configuration file with > upgrade (or downgrade! That can be necessary too!) of the bird package. > > Whereas if different versions used different files, you could distribute both > files with you configuration management tool in advance, and then gradually > upgrade the package, with easy rollback if things do not go well. Well, workaround would be to have config files in separate files and /etc/bird.conf just a symlink, which can be simply changed after package upgrade / downgrade. I would say that the cleanest solution would be to build BIRD 1.6 for IPv4 with compile-time option --with-suffix=4, so it would be bird4, birdc4, and bird4.conf, (that is how i used it personally, just for the sake of symmetry with IPv6 version). But AFAIK distributions did not use that and it is a bit late now to change that. > Even if configuration management is not used, it is still more convenient to > be > able to start one or the other version of the daemon without the need to > specify > alternative configuration, or replacing the file. Note that regardless of config files, binaries and init-files are also without suffix, so bird and bird2 packages are conflicting. -- Elen sila lumenn' omentielvo Ondrej 'Santiago' Zajicek (email: santi...@crfreenet.org) OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net) "To err is human -- to blame it on a computer is even more so."
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