Jeremy Katz wrote, On 08/16/2009 11:25 PM:
On Sunday, August 16 2009, Mads Kiilerich said:
Jeremy Katz wrote, On 08/16/2009 02:14 AM:
So if you want to do this, you have to
do something like we did for Fedora 8 on the initial move of initramfs
stuff into mkinitrd proper. See commit
11dbd0bb5ba4b845e80109e990e4e780ca402218
Oh yeah. livecd-creator thinks (knows) that it is creating a CD, and
thus the initrd is (has to be) in $LIVE_ROOT/isolinux/initrd0.img.
So
/sbin/mkinitrd -f $LIVE_ROOT/isolinux/initrd0.img $(rpm -q kernel
--qf "%{version}-%{release}.%{arch}")
in %post should do the trick? I will try that.
Nope -- really, look at the commit[1]. You need the two separate %post
sections as it shows you; you can't do just one
Ok, thanks. I'm trying to understand which parts of that commit is
essential to me.
Basically all of it :) eg, when testing mkliveinitrd changes (*sigh*),
I use roughly that snippet plus something which grabs my hacked up
mkliveinitrd
Thanks, it works fine now. But I don't see why "all of it" should be used.
I am using something like a normal %post with
/sbin/mkinitrd -f /initrd0.img $(rpm -q kernel --qf
"%{version}-%{release}.%{arch}")
and a %post --nochroot with
mv $INSTALL_ROOT/initrd0.img $LIVE_ROOT/isolinux/
- with the initrd location chosen so that no "rm -f /boot/initrd*"
interferes.
Is there any particular reason why LIVE_ROOT isn't available in chroots?
Couldn't the image always mounted under $INSTALL_ROOT/mnt/live? Or
bind-mounted?
As much as possible, we try to keep the environment consistent for %post
scripts so they can be transferred between real system kickstarts and
live image kickstarts. Having things mounted differently like that
would impact that
Now I know how it works and how to work around it, so I have no problem.
But in order to improve the system further and help the next newbie I
will argue for some changes:
Making scripts for real installation and for live building as similar as
possible is a fine goal. And obviously, when live image kickstarts in
some cases needs special %post scripts then it can't be reached completely.
I think that an even more important goal is "%post environment is as
close to runtime environment as possible". For real kickstarts "all"
file systems mounted on runtime are mounted when %post is run too, so it
would be consistent if the same was the case for live kickstarts. I
realize that the runtime mount point for /dev/only (currently) only (?)
is defined in the %post script in fedora-live-base.ks, so imgcreate
wouldn't know where to mount it.
Another fine goal is " '%post' and '%post --nochroot' should be as
similar as possible - except for the chroot".
In any case: Having the live root mounted somewhere specified by
$LIVE_ROOT in all %post scripts (chroot or not) would make script
contexts more consistent and make some things simpler (such as building
custom initrd for F11...), and I don't see how it could have any
negative impact on the goal of %post scripts being the same for real
kickstart and for live image composition.
/Mads
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