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When building cloud images oz uses dracut to setup networking and it

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in turn makes a ifcfg-en<something> file with this config. We don't
want to use this, we want to always use ifcfg-eth0 so it's the same
on all images. So, we remove ifcfg-en* (They are different on each
arch we make cloud images for, but en* gets them all).
Additionally we were using some old udev tricks to get eth0, but this
is error prone and already incorrect as systemd-udev has moved files
around, so instead we just switch to net.ifnames=0 on the boot line,
which should continue working.
This commit is contained in:
Kevin Fenzi 2018-03-19 16:23:29 -07:00
parent 013901d137
commit 9a25016bac
1 changed files with 8 additions and 8 deletions
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fedora-cloud-base.ks
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@ -35,7 +35,8 @@ rootpw --lock --iscrypted locked
firewall --disabled firewall --disabled
bootloader --timeout=1 --append="no_timer_check console=tty1 console=ttyS0,115200n8" # We pass net.ifnames=0 because we always want to use eth0 here on all the cloud images.
bootloader --timeout=1 --append="no_timer_check net.ifnames=0 console=tty1 console=ttyS0,115200n8"
network --bootproto=dhcp --device=link --activate --onboot=on network --bootproto=dhcp --device=link --activate --onboot=on
services --enabled=sshd,cloud-init,cloud-init-local,cloud-config,cloud-final services --enabled=sshd,cloud-init,cloud-init-local,cloud-config,cloud-final
@ -170,11 +171,6 @@ NOZEROCONF=yes
DEVTIMEOUT=10 DEVTIMEOUT=10
EOF EOF
# For cloud images, 'eth0' _is_ the predictable device name, since
# we don't want to be tied to specific virtual (!) hardware
rm -f /etc/udev/rules.d/70*
ln -s /dev/null /etc/udev/rules.d/80-net-setup-link.rules
# simple eth0 config, again not hard-coded to the build hardware # simple eth0 config, again not hard-coded to the build hardware
cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF
DEVICE="eth0" DEVICE="eth0"
@ -245,8 +241,12 @@ dd bs=1M if=/dev/zero of=/var/tmp/zeros || :
rm -f /var/tmp/zeros rm -f /var/tmp/zeros
echo "(Don't worry -- that out-of-space error was expected.)" echo "(Don't worry -- that out-of-space error was expected.)"
# For trac ticket https://fedorahosted.org/cloud/ticket/128 # When we build the image with oz, dracut is used
rm -f /etc/sysconfig/network-scripts/ifcfg-ens3 # and sets up a ifcfg-en<whatever> for the device. We don't
# want to use this, we use eth0 so it is always the same.
# So we remove all these ifcfg-en<whatever> devices so
# The 'network' service can come up cleanly.
rm -f /etc/sysconfig/network-scripts/ifcfg-en*
# Enable network service here, as doing it in the services line # Enable network service here, as doing it in the services line
# fails due to RHBZ #1369794 # fails due to RHBZ #1369794