Add aarch64 configuration

Add a valid aarch64 sources configuration file, and update the
template to deploy the file on a per-architecture basis.

Ensure we install the HWE kernel for arm64 servers

Change-Id: If345e704540ea10828060d26e930a61ce68ed178

modules/openstack_project/files/sources.list.xenial.aarch64

@@ -0,0 +1,35 @@
+# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
+# newer versions of the distribution.
+
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted multiverse
+
+## Major bug fix updates produced after the final release of the
+## distribution.
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted multiverse
+
+## Uncomment the following two lines to add software from the 'universe'
+## repository.
+## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
+## team. Also, please note that software in universe WILL NOT receive any
+## review or updates from the Ubuntu security team.
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial universe
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-updates universe
+
+## N.B. software from this repository may not have been tested as
+## extensively as that contained in the main release, although it includes
+## newer versions of some applications which may provide useful features.
+## Also, please note that software in backports WILL NOT receive any review
+## or updates from the Ubuntu security team.
+# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted
+# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted multiverse
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security universe
+# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse
+# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse

modules/openstack_project/manifests/server.pp

@@ -103,7 +103,7 @@ class openstack_project::server (
          group  => 'root',
          mode   => '0444',
          owner  => 'root',
-         source => "puppet:///modules/openstack_project/sources.list.${::lsbdistcodename}",
+         source => "puppet:///modules/openstack_project/sources.list.${::lsbdistcodename}.${::architecture}",
        }
        exec { 'update-apt':
            command     => 'apt-get update',
@@ -340,4 +340,13 @@ class openstack_project::server (
     ensure  => file,
     require => File['/etc/cloud'],
   }
+
+  if ($::lsbdistcodename == 'xenial' and $::architecture == 'aarch64') {
+    # Make sure we install the HWE kernel for arm64; it's 4.13 v 4.3
+    # and works much better on linaro cloud
+    package { 'linux-generic-hwe-16.04':
+      ensure => present,
+    }
+  }
+
 }