NFS backend for Cinder

Adds support for NFS backend for Cinder, but remains disabled by
default.

Change-Id: I9ebef072ed115efe980fa4904ea80f02384522af

3 files changed, 49 insertions, 2 deletions

diff --git a/puppet/manifests/overcloud_compute.pp b/puppet/manifests/overcloud_compute.pp
index 67a73dda..27af665a 100644
--- a/puppet/manifests/overcloud_compute.pp
+++ b/puppet/manifests/overcloud_compute.pp
@@ -61,6 +61,17 @@ if $nova_enable_rbd_backend {
   }
 }
 
+if hiera('cinder_enable_nfs_backend', false) {
+  if ($::selinux != "false") {
+    selboolean { 'virt_use_nfs':
+        value => on,
+        persistent => true,
+    } -> Package['nfs-utils']
+  }
+
+  package {'nfs-utils': } -> Service['nova-compute']
+}
+
 include ::nova::compute::libvirt
 include ::nova::network::neutron
 include ::neutron
diff --git a/puppet/manifests/overcloud_controller.pp b/puppet/manifests/overcloud_controller.pp
index 777ebad6..a9554336 100644
--- a/puppet/manifests/overcloud_controller.pp
+++ b/puppet/manifests/overcloud_controller.pp
@@ -352,7 +352,25 @@ if hiera('step') >= 3 {
     }
   }
 
-  $cinder_enabled_backends = delete_undef_values([$cinder_iscsi_backend, $cinder_rbd_backend, $cinder_netapp_backend])
+  if hiera('cinder_enable_nfs_backend', false) {
+    $cinder_nfs_backend = 'tripleo_nfs'
+
+    if ($::selinux != "false") {
+      selboolean { 'virt_use_nfs':
+          value => on,
+          persistent => true,
+      } -> Package['nfs-utils']
+    }
+
+    package {'nfs-utils': } ->
+    cinder::backend::nfs { $cinder_nfs_backend :
+      nfs_servers         => hiera('cinder_nfs_servers'),
+      nfs_mount_options   => hiera('cinder_nfs_mount_options'),
+      nfs_shares_config   => '/etc/cinder/shares-nfs.conf',
+    }
+  }
+
+  $cinder_enabled_backends = delete_undef_values([$cinder_iscsi_backend, $cinder_rbd_backend, $cinder_netapp_backend, $cinder_nfs_backend])
   class { '::cinder::backends' :
     enabled_backends => $cinder_enabled_backends,
   }
diff --git a/puppet/manifests/overcloud_controller_pacemaker.pp b/puppet/manifests/overcloud_controller_pacemaker.pp
index 582e29ef..7cd6705c 100644
--- a/puppet/manifests/overcloud_controller_pacemaker.pp
+++ b/puppet/manifests/overcloud_controller_pacemaker.pp
@@ -703,7 +703,25 @@ if hiera('step') >= 3 {
     }
   }
 
-  $cinder_enabled_backends = delete_undef_values([$cinder_iscsi_backend, $cinder_rbd_backend, $cinder_netapp_backend])
+  if hiera('cinder_enable_nfs_backend', false) {
+    $cinder_nfs_backend = 'tripleo_nfs'
+
+    if ($::selinux != "false") {
+      selboolean { 'virt_use_nfs':
+          value => on,
+          persistent => true,
+      } -> Package['nfs-utils']
+    }
+
+    package {'nfs-utils': } ->
+    cinder::backend::nfs { $cinder_nfs_backend:
+      nfs_servers         => hiera('cinder_nfs_servers'),
+      nfs_mount_options   => hiera('cinder_nfs_mount_options'),
+      nfs_shares_config   => '/etc/cinder/shares-nfs.conf',
+    }
+  }
+
+  $cinder_enabled_backends = delete_undef_values([$cinder_iscsi_backend, $cinder_rbd_backend, $cinder_netapp_backend, $cinder_nfs_backend])
   class { '::cinder::backends' :
     enabled_backends => $cinder_enabled_backends,
   }