Hi Thomas,
thanks for the hint.
We tried it that way (running our hook which adds the udev rule and run
dkpg-reconfigure dracut inside nfs root). It didn't work. When extracting the
initrd no rule appeared.
After checking dracut we recognized that dracut needs custom udev rules at a
special location. Dracut uses (inside the nfs root)
"/usr/lib/dracut/modules.d/95udev-rules/". We changed the module-setup.sh and
added our rule. Those steps are now another hook.
####
$ cat hooks/13-add-udev-persistent-net-rules
#! /bin/bash
error=0 ; trap "error=$((error|1))" ERR
cp /etc/fai/hooks/etc/udev/rules.d/70-persistent-net.rules
$NFSROOT/etc/udev/rules.d/70-persistent-net.rules
cp /etc/fai/hooks/etc/udev/rules.d/70-persistent-net.rules
$NFSROOT/usr/lib/dracut/modules.d/95udev-rules/70-persistent-net.rules
patch $NFSROOT/usr/lib/dracut/modules.d/95udev-rules/module-setup.sh <
/etc/fai/hooks/patches/module-setup.sh.patch
chroot $NFSROOT dpkg-reconfigure dracut
cp $NFSROOT/boot/vmlinuz-3.16.0-4-amd64 $TFTPROOT/vmlinuz-3.16.0-4-amd64
cp $NFSROOT/boot/initrd.img-3.16.0-4-amd64 $TFTPROOT/initrd.img-3.16.0-4-amd64
exit $error
####
####
$ cat hooks/patches/module-setup.sh.patch
--- module-setup.sh 2017-03-02 09:57:25.726779823 +0000
+++ module-setup_new.sh 2017-03-02 09:57:03.746779823 +0000
@@ -48,9 +48,10 @@
95-late.rules \
"$moddir/59-persistent-storage.rules" \
"$moddir/61-persistent-storage.rules" \
+ "$moddir/70-persistent-net.rules" \
${NULL}
- prepare_udev_rules 59-persistent-storage.rules 61-persistent-storage.rules
+ prepare_udev_rules 59-persistent-storage.rules 61-persistent-storage.rules
70-persistent-net.rules
# debian udev rules
inst_rules 91-permissions.rules
# eudev rules
####
Now it works out.
Steven
-----Original-Nachricht-----
Betreff: Re: Alter initrd inside normal fai workflow
Datum: 2017-03-01T22:05:29+0100
Von: "Thomas Lange" <la...@informatik.uni-koeln.de>
An: "fully automatic installation for Linux" <linux-fai@uni-koeln.de>
If you need to alter the initrd inside the nfsroot, you can make your
changes and then call
# chroot /srv/fai/nfsroot dpkg-reconfigure dracut
This will rebuild the initrd. Then copy it to the tftp directory. IMO
this is easier than extract, alter and package it.
--
regards Thomas
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