From 50fa979b0874f8f1514acfcd96af4dcbf95bc102 Mon Sep 17 00:00:00 2001
From: Ian Wienand <iwienand@redhat.com>
Date: Wed, 14 Feb 2018 15:43:43 +1100
Subject: [PATCH] Install HWE kernels for zuul-exectors

We have been trialing HWE kernels on ze02 for some time with success.
Add in our custom ppa for updated AFS packages (currently 1.6.22.2
which supports up to 4.14 kernels) and the HWE kernel package
(currently 4.13).

Change-Id: I20ec3a73f7c7915b2b64bf008dd0afb2492fc5db
---
 manifests/site.pp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/manifests/site.pp b/manifests/site.pp
index 14ed9f96df..94a89491cd 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -1173,6 +1173,18 @@ node /^ze\d+\.openstack\.org$/ {
     url => 'https://git.openstack.org/openstack-infra/project-config',
   }
 
+  # We use later HWE kernels for better memory managment, requiring an
+  # updated AFS version which we install from our custom ppa.
+  include ::apt
+  apt::ppa { 'ppa:openstack-ci-core/openafs-amd64-hwe': }
+  package { 'linux-generic-hwe-16.04':
+    ensure  => present,
+    require => [
+      Apt::Ppa['ppa:openstack-ci-core/openafs-amd64-hwe'],
+      Class['apt::update'],
+    ],
+  }
+
   # NOTE(pabelanger): We call ::zuul directly, so we can override all in one
   # settings.
   class { '::zuul':