eth.pp

# /etc/puppet/modules/netif/manifests/eth.pp
# handle ethernet and VLAN ethernet device type configuration
#

define netif::eth ($ifaddr = "", $ifaddr6 = "", $aliases = [], $aliases6 = [], $onboot = "yes" , $mtu="1500")
{
    $ifname = $name
    # filename
    $eth_file = "/etc/sysconfig/network-scripts/ifcfg-${ifname}"

    # set up regular eth ifcfg file
    file { "$eth_file":
        mode     => 644 ,
        owner    => root ,
        group    => root ,
        # backup   => sysconfig
        ensure   => file ,
        content  => template("netif/eth.erb"),
        notify   => Service[network] ,
    }

}

define netif::eth_vlan ($ifaddr = "", $onboot = "yes" , $mtu)
{
    $ifname = $name
    # filename
    $eth_file = "/etc/sysconfig/network-scripts/ifcfg-${ifname}"

    # set up vlan eth ifcfg file
    file { "$eth_file":
        mode     => 644 ,
        owner    => root ,
        group    => root ,
        # backup   => sysconfig
        ensure   => file ,
        content  => template("netif/eth_vlan.erb"),
        notify   => Service[network] ,
    }
}

~                

init.pp

class netif {
#    include stdlib
    # other stuff depends on network service
    service { "network" :
        ensure => true ,
        enable => true ,
    }

    # add openib service if we have an ib interface
    if ($::interfaces =~ /ib/) {
        service { "openibd" :
            ensure => true ,
            enable => true ,
        }
    }
}
# interface reusable type
# default MTU is set in the individual interface defined types
define netif::interface (
        $ifaddr = "",
        $ifaddr6 = "",
        $aliases = [],
        $aliases6 = [],
        $slaves = [] ,
        $onboot = "yes",
        $onparent = "yes" ,
        $mtu,
        $routes = undef,
        $routes6 = undef )

{
    # switch on interface name
    case $name {
        # catch alias first since it might match other stuff
        /^.*:.*$/ : {
            netif::alias { $name :
                ifaddr => $ifaddr ,
                onparent => $onparent ,
                mtu      => $mtu,
            }
        }
        # regular ethernet interface.
        /^eth\d+$/ : {
            netif::eth { $name :
                ifaddr => $ifaddr ,
                mtu    => $mtu,
                ifaddr6 => $ifaddr6 ,
                aliases => $aliases ,
                aliases6 => $aliases6 ,
            }


... snip