Broke out into own module

manifests/init.pp

+class ipoib {
+  $packages = $facts['os']['family'] ? {
+    'RedHat' => ['infiniband-diags', 'libibverbs'],
+    'Debian' => ['infiniband-diags', 'ibverbs-utils', 'ibverbs-providers', 'libibverbs1', 'librdmacm1'],
+  }
+
+  package { $packages:
+    ensure => installed,
+  }
+  -> file { '/etc/modules-load.d/ipoib.conf':
+    content =>
+      "
+mlx4_ib 
+rdma_ucm
+ib_umad 
+ib_uverbs
+ib_ipoib",
+  }
+
+  exec { '/usr/bin/systemctl restart systemd-modules-load':
+    subscribe   => File['/etc/modules-load.d/ipoib.conf'],
+    refreshonly => true,
+  }
+}

manifests/interface.pp

+define ipoib::interface(
+  $interface = $name,
+  $mtu = '65520',
+  $connected_mode = 'yes',
+  $ipaddress = undef,
+  $netmask = '255.255.255.0',
+  $gateway = undef,
+  $domain = undef,
+  $dns1 = undef,
+  $dns2 = undef,
+  $arp_ignore = '1',
+) {
+  require ::ipoib
+
+  if $ipaddress == undef {
+    fail('ipoib::interface requires an ip address')
+  }
+
+  sysctl { "net.ipv4.conf.${interface}.arp_ignore":
+    ensure => present,
+    value  => $arp_ignore,
+  }
+  -> network::interface { $interface:
+    ipaddress            => $ipaddress,
+    netmask              => $netmask,
+    gateway              => $gateway,
+    type                 => 'InfiniBand',
+    domain               => $domain,
+    dns1                 => $dns1,
+    dns2                 => $dns2,
+    options_extra_redhat => {
+      'CONNECTED_MODE' => $connected_mode,
+    },
+    mtu                  => $mtu,
+    # Pre up for debian
+    pre_up               => [
+      'modprobe ib_umad',
+      'modprobe mlx4_ib',
+      'modprobe ib_ipoib',
+      'echo connected > /sys/class/net/ibo3/mode',
+    ],
+  }
+}