Install ceph client libraries when using rbd

Ceph client libraries might not be installed when using the
nova::compute::rbd class.

Change-Id: Icc2c8e688abbc6d8a1877bfea7be6b30204d1a52

manifests/compute/rbd.pp

@@ -54,6 +54,13 @@
 #   ephemeral storage or for the cinder volumes only.
 #   Defaults to true.
 #
+# [*manage_ceph_client*]
+#  (optional) Whether to manage the ceph client package.
+#  Defaults to true.
+#
+# [*ceph_client_ensure*]
+#  (optional) Ensure value for ceph client package.
+#  Defaults to 'present'.
 
 class nova::compute::rbd (
   $libvirt_rbd_user,
@@ -63,11 +70,22 @@ class nova::compute::rbd (
   $libvirt_images_rbd_ceph_conf = '/etc/ceph/ceph.conf',
   $rbd_keyring                  = 'client.nova',
   $ephemeral_storage            = true,
+  $manage_ceph_client           = true,
+  $ceph_client_ensure           = 'present',
 ) {
 
   include ::nova::deps
   include ::nova::params
 
+  if $manage_ceph_client {
+    # Install ceph client libraries
+    package { 'ceph-client-package':
+      ensure => $ceph_client_ensure,
+      name   => $nova::params::ceph_client_package_name,
+      tag    => ['openstack'],
+    }
+  }
+
   nova_config {
     'libvirt/rbd_user': value => $libvirt_rbd_user;
   }
@@ -85,7 +103,7 @@ class nova::compute::rbd (
     exec { 'get-or-set virsh secret':
       command => '/usr/bin/virsh secret-define --file /etc/nova/secret.xml | /usr/bin/awk \'{print $2}\' | sed \'/^$/d\' > /etc/nova/virsh.secret',
       creates => '/etc/nova/virsh.secret',
-      require => File['/etc/nova/secret.xml']
+      require => [File['/etc/nova/secret.xml'], Package['ceph-client-package']],
     }
 
     if $libvirt_rbd_secret_key {

manifests/params.pp

@@ -28,6 +28,7 @@ class nova::params {
       $spicehtml5proxy_package_name  = 'openstack-nova-console'
       $sqlite_package_name           = undef
       $pymysql_package_name          = undef
+      $ceph_client_package_name      = 'ceph-common'
       # service names
       $api_service_name             = 'openstack-nova-api'
       $cells_service_name           = 'openstack-nova-cells'
@@ -84,6 +85,7 @@ class nova::params {
       $serialproxy_package_name     = 'nova-serialproxy'
       $sqlite_package_name          = 'python-pysqlite2'
       $pymysql_package_name         = 'python-pymysql'
+      $ceph_client_package_name     = 'ceph'
       # service names
       $api_service_name             = 'nova-api'
       $cells_service_name           = 'nova-cells'

spec/classes/nova_compute_rbd_spec.rb

@@ -41,6 +41,13 @@ describe 'nova::compute::rbd' do
         is_expected.to contain_nova_config('libvirt/rbd_user').with_value('nova')
     end
 
+    it 'installs client package' do
+      is_expected.to contain_package('ceph-client-package').with(
+        'name'   => platform_params[:ceph_client_package],
+        'ensure' => 'present'
+      )
+    end
+
     context 'when overriding default parameters' do
       before :each do
         params.merge!(
@@ -83,7 +90,7 @@ describe 'nova::compute::rbd' do
         is_expected.to contain_exec('get-or-set virsh secret').with(
           :command =>  '/usr/bin/virsh secret-define --file /etc/nova/secret.xml | /usr/bin/awk \'{print $2}\' | sed \'/^$/d\' > /etc/nova/virsh.secret',
           :creates => '/etc/nova/virsh.secret',
-          :require => 'File[/etc/nova/secret.xml]'
+          :require => ['File[/etc/nova/secret.xml]', 'Package[ceph-client-package]']
         )
         is_expected.to contain_exec('set-secret-value virsh').with(
           :command => "/usr/bin/virsh secret-set-value --secret UUID --base64 $(ceph auth get-key client.rbd_test)"
@@ -134,7 +141,7 @@ describe 'nova::compute::rbd' do
         is_expected.to contain_exec('get-or-set virsh secret').with(
           :command =>  '/usr/bin/virsh secret-define --file /etc/nova/secret.xml | /usr/bin/awk \'{print $2}\' | sed \'/^$/d\' > /etc/nova/virsh.secret',
           :creates => '/etc/nova/virsh.secret',
-          :require => 'File[/etc/nova/secret.xml]'
+          :require => ['File[/etc/nova/secret.xml]', 'Package[ceph-client-package]'],
         )
         is_expected.to contain_exec('set-secret-value virsh').with(
           :command => "/usr/bin/virsh secret-set-value --secret UUID --base64 $(ceph auth get-key client.rbd_test)"
@@ -142,6 +149,15 @@ describe 'nova::compute::rbd' do
       end
     end
 
+    context 'when not managing ceph client' do
+      before :each do
+        params.merge!(
+          :manage_ceph_client => false
+        )
+      end
+
+      it { is_expected.to_not contain_package('ceph-client-package') }
+    end
   end
 
   context 'on Debian platforms' do
@@ -149,6 +165,10 @@ describe 'nova::compute::rbd' do
       @default_facts.merge({ :osfamily => 'Debian' })
     end
 
+    let :platform_params do
+      { :ceph_client_package => 'ceph'}
+    end
+
     it_configures 'nova compute rbd'
   end
 
@@ -157,6 +177,10 @@ describe 'nova::compute::rbd' do
       @default_facts.merge({ :osfamily => 'RedHat' })
     end
 
+    let :platform_params do
+      { :ceph_client_package => 'ceph-common' }
+    end
+
     it_configures 'nova compute rbd'
   end