Enterprise Linux: kickstart install Puppet

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# This is an installation not an upgrade

install
cdrom
lang en_US
# Use text mode install
text
keyboard us
# Do not configure the X Window System
skipx
# for dhcp
network --bootproto=dhcp --device=eth0 --onboot=on --hostname <computer_node_name>
rootpw N0th!ng
authconfig --useshadow --enablemd5
selinux --disabled
timezone --utc America/New_York
firewall --disabled
# Reboot after installation
reboot

bootloader --location=mbr --append="console=ttyS0,9600n8"
clearpart --all --initlabel

%packages

@base

%post 

#!/bin/sh

# create puppet yum.repo config file
cat <<EOF > /etc/yum.repos.d/puppetlabs.repo
[puppetlabs]
name=Puppet Labs Packages
baseurl=http://linux64-yum-repo-server/puppet/el/5/products/x86_64/
enabled=1
gpgcheck=1
gpgkey=http://linux64-yum-repo-server/puppet/RPM-GPG-KEY-puppetlabs
[puppetlabs_dependencies]
name=Puppet Labs Packages
baseurl=http://linux64-yum-repo-server/puppet/el/5/dependencies/x86_64/
enabled=1
gpgcheck=1
gpgkey=http://linux64-yum-repo-server/puppet/RPM-GPG-KEY-puppetlabs
EOF

# create yum puppet install script

cat <<EOF > /usr/local/yum_install_puppet.sh
#!/bin/sh
# make sure only runonce after reboot when rpm didn't get install yet
if [[ \`yum list installed | grep puppet\` == "" ]]; then
   yum -y install puppet
   # configure Puppet agent installation
   echo "    certname = <computer_node_name>" >> /etc/puppet/puppet.conf
   echo "    server = <puppet_master_host_name>" >> /etc/puppet/puppet.conf
   # start puppet agent service
   /etc/init.d/puppet start
fi
EOF
chmod a+x /usr/local/yum_install_puppet .sh

# creat runonce after reboot cron

echo "@reboot /usr/local/yum_install_puppet >/dev/null 2>&1" > /var/spool/cron/root