Implement Libvirt profile

Deploy bits when running nova-compute + libvirt.

Note: some work will be done in puppet-nova to decouple nova-compute
from libvirt in nova::compute::libvirt class.

Change-Id: I754bfa89ba78a70b4b866598fb1163f4e14807c9
Implements: blueprint refactor-puppet-manifests

2 files changed, 86 insertions, 0 deletions

diff --git a/manifests/profile/base/nova/compute.pp b/manifests/profile/base/nova/compute.pp
index ae37d4a..579b474 100644
--- a/manifests/profile/base/nova/compute.pp
+++ b/manifests/profile/base/nova/compute.pp
@@ -28,8 +28,14 @@ class tripleo::profile::base::nova::compute (
 ) {
 
   if $step >= 4 {
+    # deploy basic bits for nova
     include ::tripleo::profile::base::nova
+
+    # deploy basic bits for nova-compute
     include ::nova::compute
+
+    # deploy bits to connect nova compute to neutron
+    include ::nova::network::neutron
   }
 
 }
diff --git a/manifests/profile/base/nova/compute/libvirt.pp b/manifests/profile/base/nova/compute/libvirt.pp
new file mode 100644
index 0000000..f6d6a0a
--- /dev/null
+++ b/manifests/profile/base/nova/compute/libvirt.pp
@@ -0,0 +1,80 @@
+# 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::nova::compute::libvirt
+#
+# Nova Compute Libvirt profile for tripleo
+#
+# === Parameters
+#
+# [*step*]
+#   (Optional) The current step in deployment. See tripleo-heat-templates
+#   for more details.
+#   Defaults to hiera('step')
+#
+class tripleo::profile::base::nova::compute::libvirt (
+  $step = hiera('step'),
+) {
+
+  if $step >= 4 {
+    include ::tripleo::profile::base::nova::compute
+
+    file { ['/etc/libvirt/qemu/networks/autostart/default.xml',
+      '/etc/libvirt/qemu/networks/default.xml']:
+      ensure => absent,
+      before => Service['libvirt'],
+    }
+
+    # in case libvirt has been already running before the Puppet run, make
+    # sure the default network is destroyed
+    exec { 'libvirt-default-net-destroy':
+      command => '/usr/bin/virsh net-destroy default',
+      onlyif  => '/usr/bin/virsh net-info default | /bin/grep -i "^active:\s*yes"',
+      before  => Service['libvirt'],
+    }
+
+    # Ceph + Libvirt
+    $rbd_ephemeral_storage = hiera('nova::compute::rbd::ephemeral_storage', false)
+    $rbd_persistent_storage = hiera('rbd_persistent_storage', false)
+    if $rbd_ephemeral_storage or $rbd_persistent_storage {
+      $client_keys = hiera('ceph::profile::params::client_keys')
+      $client_user = join(['client.', hiera('tripleo::profile::base::cinder::volume::rbd::cinder_rbd_user_name')])
+      class { '::nova::compute::rbd':
+        libvirt_rbd_secret_key => $client_keys[$client_user]['secret'],
+      }
+    }
+
+    # TODO(emilien): Some work needs to be done in puppet-nova to separate nova-compute config
+    # when running libvirt and libvirt itself, so we allow micro-services deployments.
+    if str2bool(hiera('nova::use_ipv6', false)) {
+      $vncserver_listen = '::0'
+    } else {
+      $vncserver_listen = '0.0.0.0'
+    }
+
+    if $rbd_ephemeral_storage {
+      class { '::nova::compute::libvirt':
+        libvirt_disk_cachemodes => ['network=writeback'],
+        libvirt_hw_disk_discard => 'unmap',
+        vncserver_listen        => $vncserver_listen,
+      }
+    } else {
+      class { '::nova::compute::libvirt' :
+        vncserver_listen => $vncserver_listen,
+      }
+    }
+
+  }
+
+}