Introduce CentOS image with oVirt Guest Agent (#127)

* Introduce CentOS image with oVirt Guest Agent

Added kickstart based on CentOS-7-x86_64-GenericCloud-201606-r1.ks
with the only addition of the ovirt-guest-agent-common package.

Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>

* Update CentOS-7-x86_64-oVirt-r1.ks

Changed /etc/yum/vars/infra to ovirt.

* Update CentOS-7-x86_64-oVirt-r1.ks

Use oVirt 4.3 repo instead of 4.2 one

Author: sandrobonazzola

ovirt/CentOS-7-x86_64-oVirt-r1.ks

@@ -0,0 +1,180 @@
+auth --enableshadow --passalgo=sha512
+reboot
+url --url="mirror.centos.org/centos/7/os/x86_64"
+firewall --enabled --service=ssh
+firstboot --disable
+ignoredisk --only-use=vda
+keyboard --vckeymap=us --xlayouts='us'
+# System language
+lang en_US.UTF-8
+repo --name "os" --baseurl="http://mirror.centos.org/centos/7/os/x86_64/" --cost=100
+repo --name "updates" --baseurl="http://mirror.centos.org/centos/7/updates/x86_64/" --cost=100
+repo --name "extras" --baseurl="http://mirror.centos.org/centos/7/extras/x86_64/" --cost=100
+
+# oVirt specific repos
+repo --name "centos-ovirt43" --baseurl="http://mirror.centos.org/centos/7/virt/x86_64/ovirt-4.3/" --cost=100
+
+# Network information
+network  --bootproto=dhcp
+network  --hostname=localhost.localdomain
+# Root password
+rootpw --iscrypted thereisnopasswordanditslocked
+selinux --enforcing
+services --disabled="kdump" --enabled="network,sshd,rsyslog,chronyd"
+timezone UTC --isUtc
+# Disk
+bootloader --append="console=tty0" --location=mbr --timeout=1 --boot-drive=vda
+zerombr
+clearpart --all --initlabel 
+part / --fstype="xfs" --ondisk=vda --size=4096 --grow
+
+%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 $( ls -1v /boot/vmlinuz* |grep -v rescue |sed s/.*vmlinuz-//  ); do
+  echo "title CentOS Linux 7 ($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 .
+
+yum -C -y remove linux-firmware
+
+# Remove firewalld; it is required to be present for install/image building.
+# but we dont ship it in cloud
+yum -C -y remove firewalld --setopt="clean_requirements_on_remove=1"
+yum -C -y remove avahi\* Network\*
+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 <<EOL > /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
+
+yum clean all
+
+# XXX instance type markers - MUST match CentOS Infra expectation
+echo 'ovirt' > /etc/yum/vars/infra
+
+# chance dhcp client retry/timeouts to resolve #6866
+cat  >> /etc/dhcp/dhclient.conf << EOF
+
+timeout 300;
+retry 60;
+EOF
+
+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
+cloud-init
+cloud-utils-growpart
+dracut-config-generic
+dracut-norescue
+firewalld
+grub2
+kernel
+nfs-utils
+rsync
+tar
+yum-utils
+-NetworkManager
+-aic94xx-firmware
+-alsa-firmware
+-alsa-lib
+-alsa-tools-firmware
+-biosdevname
+-iprutils
+-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
+-plymouth
+
+# oVirt specific packages
+ovirt-guest-agent-common
+
+%end
+