On Sun, 2013-05-19 at 15:59 -0400, Michael H. Warfield wrote: > This may not be necessary after all. Looks like there's a way to modify > the getty@.service configuration and override the default to get systemd > to fire up agetty on the containers ttys that could be implemented in > the lxc-fedora template and others. I'll send a patch in for that > approach shortly.
And, in fact, it looks like the lxc-opensuse template is doing exactly what I had in mind. Looks like it's the only other one that does. Others, like arch, should probably make note and make appropriate modifications. > Regards, > Mike Regards, Mike > On Sat, 2013-05-18 at 17:03 -0400, Michael H. Warfield wrote: > > All, > > > > Over on the -users list (if you haven't been tuned into the thread on > > creating a Fedora container) we've been boiling out another systemd > > gotcha. > > > > Basically, lxc-console does not work with systemd because systemd does > > not start containers on /dev/ttyN. Their documentation indicates that > > it's because it's in a container. Someone has uncovered the logic > > (magic cookie) that contradicts that. The logic switch is on the > > existence of /dev/tty0 (the magic cookie). If it exists, systemd will > > start gettys on /dev/ttyN (only /dev/tty1 by default) and lxc-console > > will work. If it doesn't exist, systemd will not start gettys for the > > vtys and lxc-console will not work. > > > > Obvious solution... Create /dev/tty0 and lxc-console will work. > > Looking at the code, it looks like it's rife with side effects guarded > > by gremlins there in conf.c. We would need to modify "lxc_create_tty" > > and "setup_tty" in conf.c to make them 0 based, instead of 1 based, and > > adjust for an additional tty (lxc.tty + 1). That SHOULD be straight > > forward. But... Shifting the base of the lxc_tty_info structure could > > have unforeseen (on my part) side effects which could impact LOTS of > > things. > > > > Maybe it would be easier to "hack it" and create something entirely > > separate to just create the special case of /dev/tty0. I don't know. > > > > So that's what we have to do (AFAICT) to make lxc-console play nicey > > nicey with systemd and that's what it appears (to me) that we need to do > > it. But it appears that "here there be dragons". I can do some of the > > coding but I need to understand some of the implications before I make > > things fall down go boom. > > > > Regards, > > Mike > > ------------------------------------------------------------------------------ > > AlienVault Unified Security Management (USM) platform delivers complete > > security visibility with the essential security capabilities. Easily and > > efficiently configure, manage, and operate all of your security controls > > from a single console and one unified framework. Download a free trial. > > http://p.sf.net/sfu/alienvault_d2d > > _______________________________________________ Lxc-devel mailing list > > Lxc-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/lxc-devel > > ------------------------------------------------------------------------------ > AlienVault Unified Security Management (USM) platform delivers complete > security visibility with the essential security capabilities. Easily and > efficiently configure, manage, and operate all of your security controls > from a single console and one unified framework. Download a free trial. > http://p.sf.net/sfu/alienvault_d2d > _______________________________________________ Lxc-devel mailing list > Lxc-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/lxc-devel -- Michael H. Warfield (AI4NB) | (770) 985-6132 | m...@wittsend.com /\/\|=mhw=|\/\/ | (678) 463-0932 | http://www.wittsend.com/mhw/ NIC whois: MHW9 | An optimist believes we live in the best of all PGP Key: 0x674627FF | possible worlds. A pessimist is sure of it!
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