Defined Type: interface::route

Defined in:
modules/interface/manifests/route.pp

Overview

Definition: interface::route

Adds a static route for a defined prefix

Parameters:

  • $address: Destination address without the prefix

  • $nexthop: Next hop used to reach the destination address

  • $ipversion: IPv4 or IPv6 route

  • $interface: Optional Exit interface

  • $mtu: Optional MTU (lock) to use for that destination

  • $prefixlen: Optional Destination's prefix

  • $options: Optional Additional options

Parameters:

  • address (Any)
  • nexthop (Any)
  • ipversion (Any) (defaults to: 4)
  • interface (Any) (defaults to: undef)
  • mtu (Any) (defaults to: undef)
  • prefixlen (Any) (defaults to: undef)
  • options (Any) (defaults to: undef) 


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# File 'modules/interface/manifests/route.pp', line 20

define interface::route($address, $nexthop, $ipversion=4, $interface=undef, $mtu=undef, $prefixlen=undef, $options=undef) {
    if $prefixlen == undef and $ipversion == 4 { # If v6 IP, host prefix lenght is 32
        $prefix = "${address}/32"
    }
    elsif $prefixlen == undef and $ipversion == 6 { # If v6 IP, host prefix lenght is 128,
        $prefix = "${address}/128"
    }
    elsif $prefixlen != undef { #otherwise use whatever defined
        $prefix = "${address}/${prefixlen}"
    }

    $mtu_cmd = $mtu ? { undef => '', default => "mtu lock ${mtu}" }
    $interface_cmd = $interface ? { undef => '', default => "dev ${interface}" }

    $route_command = "ip route add ${prefix} via ${nexthop} ${mtu_cmd} ${options} ${interface_cmd}"
    # Insert the route, same command for v6 and v4
    # But show command needs '-6' to display v6 routes
    # When a /32 or /128 prefix lenght is present, 'ip route show' strips it
    $v6switch = $ipversion ?  { 6 => '-6', 4 => '' }
    $show_command = "ip ${v6switch} route show ${prefix} | grep -q via"
    exec { $route_command:
        path   => '/bin:/usr/bin',
        unless => $show_command,
    }
}