text auth --enableshadow --passalgo=sha512 shutdown firewall --enabled --service=ssh firstboot --disable ignoredisk --only-use=vda keyboard us # System language lang en_US.UTF-8 # Network information network --bootproto=dhcp --device=link --activate --onboot=on network --hostname=localhost.localdomain # Root password rootpw --iscrypted thereisnopasswordanditslocked selinux --enforcing services --disabled="kdump" --enabled="NetworkManager,sshd,rsyslog,chronyd,cloud-init,cloud-init-local,cloud-config,cloud-final,rngd" timezone UTC --isUtc # Disk bootloader --append="console=ttyS0,115200n8 no_timer_check crashkernel=auto net.ifnames=0 nvme_core.io_timeout=4294967295 nvme_core.max_retries=10" --location=mbr --timeout=1 --boot-drive=vda zerombr clearpart --all --initlabel reqpart part / --fstype="xfs" --ondisk=vda --size=8000 %post --erroronfail passwd -d root passwd -l root # pvgrub support echo -n "Creating grub.conf for pvgrub" rootuuid=$( awk '$2=="/" { print $1 };' /etc/fstab ) mkdir /boot/grub echo -e 'default=0\ntimeout=0\n\n' > /boot/grub/grub.conf for kv in $( ls -1v /boot/vmlinuz* |grep -v rescue |sed s/.*vmlinuz-// ); do echo "title CentOS Linux 8 ($kv)" >> /boot/grub/grub.conf echo -e "\troot (hd0)" >> /boot/grub/grub.conf echo -e "\tkernel /boot/vmlinuz-$kv ro root=$rootuuid console=hvc0 LANG=en_US.UTF-8" >> /boot/grub/grub.conf echo -e "\tinitrd /boot/initramfs-$kv.img" >> /boot/grub/grub.conf echo done ln -sf grub.conf /boot/grub/menu.lst ln -sf /boot/grub/grub.conf /etc/grub.conf # setup systemd to boot to the right runlevel rm -f /etc/systemd/system/default.target ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target echo . dnf -C -y remove linux-firmware # Remove firewalld; it is required to be present for install/image building. # but we dont ship it in cloud dnf -C -y remove firewalld --setopt="clean_requirements_on_remove=1" dnf -C -y remove avahi\* sed -i '/^#NAutoVTs=.*/ a\ NAutoVTs=0' /etc/systemd/logind.conf cat > /etc/sysconfig/network << EOF NETWORKING=yes NOZEROCONF=yes 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-name-slot.rules # simple eth0 config, again not hard-coded to the build hardware cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF DEVICE="eth0" BOOTPROTO="dhcp" ONBOOT="yes" TYPE="Ethernet" USERCTL="yes" PEERDNS="yes" IPV6INIT="no" PERSISTENT_DHCLIENT="1" EOF echo "virtual-guest" > /etc/tuned/active_profile # generic localhost names cat > /etc/hosts << EOF 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 EOF echo . systemctl mask tmp.mount cat < /etc/sysconfig/kernel # UPDATEDEFAULT specifies if new-kernel-pkg should make # new kernels the default UPDATEDEFAULT=yes # DEFAULTKERNEL specifies the default kernel package type DEFAULTKERNEL=kernel EOL # make sure firstboot doesn't start echo "RUN_FIRSTBOOT=NO" > /etc/sysconfig/firstboot # centos cloud user echo -e 'centos\tALL=(ALL)\tNOPASSWD: ALL' >> /etc/sudoers sed -i 's/name: cloud-user/name: centos/g' /etc/cloud/cloud.cfg dnf clean all # XXX instance type markers - MUST match CentOS Infra expectation echo 'ec2' > /etc/yum/vars/infra # change dhcp client retry/timeouts to resolve #6866 cat >> /etc/dhcp/dhclient.conf << EOF timeout 300; retry 60; EOF rm -rf /var/log/yum.log rm -rf /var/lib/yum/* rm -rf /root/install.log rm -rf /root/install.log.syslog rm -rf /root/anaconda-ks.cfg rm -rf /var/log/anaconda* rm -f /var/lib/systemd/random-seed cat /dev/null > /etc/machine-id echo "Fixing SELinux contexts." touch /var/log/cron touch /var/log/boot.log mkdir -p /var/cache/yum /usr/sbin/fixfiles -R -a restore # reorder console entries sed -i 's/console=tty0/console=tty0 console=ttyS0,115200n8/' /boot/grub2/grub.cfg %end %packages @core chrony dnf yum cloud-init cloud-utils-growpart NetworkManager dracut-config-generic dracut-norescue firewalld grub2 kernel nfs-utils rsync tar dnf-utils -aic94xx-firmware -alsa-firmware -alsa-lib -alsa-tools-firmware -ivtv-firmware -iwl100-firmware -iwl1000-firmware -iwl105-firmware -iwl135-firmware -iwl2000-firmware -iwl2030-firmware -iwl3160-firmware -iwl3945-firmware -iwl4965-firmware -iwl5000-firmware -iwl5150-firmware -iwl6000-firmware -iwl6000g2a-firmware -iwl6000g2b-firmware -iwl6050-firmware -iwl7260-firmware -libertas-sd8686-firmware -libertas-sd8787-firmware -libertas-usb8388-firmware -biosdevname -iprutils -plymouth python3-jsonschema qemu-guest-agent firewalld dhcp-client cockpit-ws cockpit-system -langpacks-* -langpacks-en centos-release rng-tools %end