Plumgrid helper

Extra settings that need to be applied for plumgrid where compute
nodes are running.

Change-Id: Ided5483f0f36f0efd5a09112832d07f028a2a7f9

diff --git a/manifests/profile/base/neutron/plumgrid.pp b/manifests/profile/base/neutron/plumgrid.pp
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+# Copyright 2016 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# == Class: tripleo::profile::base::neutron::plumgrid
+#
+# Plumgrid Neutron helper profile (extra settings for compute, etc. roles)
+#
+# === Parameters
+# [*step*]
+#   (Optional) The current step of the deployment
+#   Defaults to hiera('step')
+#
+class tripleo::profile::base::neutron::plumgrid (
+  $step                      = hiera('step'),
+) {
+
+  if $step >= 4 {
+
+    # forward all ipv4 traffic
+    # this is required for the vms to pass through the gateways public interface
+    sysctl::value { 'net.ipv4.ip_forward': value => '1' }
+
+    # ifc_ctl_pp needs to be invoked by root as part of the vif.py when a VM is powered on
+    file { '/etc/sudoers.d/ifc_ctl_sudoers':
+      ensure  => file,
+      owner   => root,
+      group   => root,
+      mode    => '0440',
+      content => "nova ALL=(root) NOPASSWD: /opt/pg/bin/ifc_ctl_pp *\n",
+    }
+
+  }
+
+}