Date: Mon, 2 Dec 2013 19:34:15 +0000 From: "Teske, Devin" <Devin.Teske@fisglobal.com> To: Colin Percival <cperciva@freebsd.org> Cc: Devin Teske <dteske@freebsd.org>, FreeBSD RC <freebsd-rc@FreeBSD.org> Subject: Re: RFC: support for re-sourcing /etc/rc.conf Message-ID: <06443C9D-9E4A-431E-934C-E0A19DBAA111@fisglobal.com> In-Reply-To: <529CDF65.7000406@freebsd.org> References: <529BEDDB.8010003@freebsd.org> <20131202.214853.1540734630471865242.hrs@allbsd.org> <529CD535.5010903@freebsd.org> <9EF48D5E-2706-4628-BF7B-DBBD5D7E227F@fisglobal.com> <529CDF65.7000406@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Dec 2, 2013, at 11:28 AM, Colin Percival wrote: > On 12/02/13 11:17, Teske, Devin wrote: >> On Dec 2, 2013, at 10:45 AM, Colin Percival wrote: >>> No, the other way around -- a different script (part of ec2-scripts) updates >>> /etc/rc.conf based on metadata provided at VM launch time. One use of this >>> would be to set firstboot_pkgs_* variables to control the behaviour of the >>> firstboot-pkgs port moments later in the boot process. >> >> sysrc(8) in 9.2+ base comes to mind. >> NB: Available as a port for older releases 4.8+ (sysutils/sysrc) > > I should have been clearer, the VM launch user-data could specify any files to > modify; it just happens that rc.conf is a problem because it's over-aggressively > cached. > Thanks. >>> 3. Early in the boot process, ec2-scripts reads that user-data, updates >>> /etc/rc.conf, and signals /etc/rc. >>> 4. /etc/rc re-sources /etc/rc.conf. >> >> Cool. How's the signaling in #3 done to get #4? > > My (one line plus comments) patch teaches rc to re-source rc.conf if it receives > a SIGALRM. > Nice. >> I like the idea of firstboot_pkgs_* > > Great. It's in the ports tree, sysutils/firstboot-pkgs. > >> I also like Hiroki's idea of stashing it all into rc.conf.d > > As I mentioned in reply to him, forcing people to use rc.conf.d instead of > rc.conf seems like a usability challenge. > Yeah, I agree. rc.conf.d in your case raises an aspect of POLA. -- Devin _____________ The information contained in this message is proprietary and/or confidential. If you are not the intended recipient, please: (i) delete the message and all copies; (ii) do not disclose, distribute or use the message in any manner; and (iii) notify the sender immediately. In addition, please be aware that any message addressed to our domain is subject to archiving and review by persons other than the intended recipient. Thank you.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?06443C9D-9E4A-431E-934C-E0A19DBAA111>