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[dsa-puppet.git] / 3rdparty / modules / nova / manifests / compute / rbd.pp

diff --git a/3rdparty/modules/nova/manifests/compute/rbd.pp b/3rdparty/modules/nova/manifests/compute/rbd.pp
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+#
+# Copyright (C) 2014 OpenStack Fondation
+#
+# Author: Emilien Macchi <emilien.macchi@enovance.com>
+#         Donald Talton  <dotalton@cisco.com>
+#
+# 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: nova::compute::rbd
+#
+# Configure nova-compute to store virtual machines on RBD
+#
+# === Parameters
+#
+# [*libvirt_images_rbd_pool*]
+#   (optional) The RADOS pool in which rbd volumes are stored.
+#   Defaults to 'rbd'.
+#
+# [*libvirt_images_rbd_ceph_conf*]
+#   (optional) The path to the ceph configuration file to use.
+#   Defaults to '/etc/ceph/ceph.conf'.
+#
+# [*libvirt_rbd_user*]
+#   (Required) The RADOS client name for accessing rbd volumes.
+#
+# [*libvirt_rbd_secret_uuid*]
+#   (optional) The libvirt uuid of the secret for the rbd_user.
+#   Required to use cephx.
+#   Default to false.
+#
+# [*libvirt_rbd_secret_key*]
+#   (optional) The cephx key to use as key for the libvirt secret,
+#   it must be base64 encoded; when not provided this key will be
+#   requested to the ceph cluster, which assumes the node is
+#   provided of the client.admin keyring as well.
+#   Default to undef.
+#
+# [*rbd_keyring*]
+#   (optional) The keyring name to use when retrieving the RBD secret
+#   Default to 'client.nova'
+#
+
+class nova::compute::rbd (
+  $libvirt_rbd_user,
+  $libvirt_rbd_secret_uuid      = false,
+  $libvirt_rbd_secret_key       = undef,
+  $libvirt_images_rbd_pool      = 'rbd',
+  $libvirt_images_rbd_ceph_conf = '/etc/ceph/ceph.conf',
+  $rbd_keyring                  = 'client.nova',
+) {
+
+  include nova::params
+
+  nova_config {
+    'libvirt/images_type':          value => 'rbd';
+    'libvirt/images_rbd_pool':      value => $libvirt_images_rbd_pool;
+    'libvirt/images_rbd_ceph_conf': value => $libvirt_images_rbd_ceph_conf;
+    'libvirt/rbd_user':             value => $libvirt_rbd_user;
+  }
+
+  if $libvirt_rbd_secret_uuid {
+    nova_config {
+      'libvirt/rbd_secret_uuid': value => $libvirt_rbd_secret_uuid;
+    }
+
+    file { '/etc/nova/secret.xml':
+      content => template('nova/secret.xml-compute.erb')
+    }
+
+    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']
+    }
+
+    if $libvirt_rbd_secret_key {
+      $libvirt_key = $libvirt_rbd_secret_key
+    } else {
+      $libvirt_key = "$(ceph auth get-key ${rbd_keyring})"
+    }
+    exec { 'set-secret-value virsh':
+      command => "/usr/bin/virsh secret-set-value --secret ${libvirt_rbd_secret_uuid} --base64 ${libvirt_key}",
+      unless  => "/usr/bin/virsh secret-get-value ${libvirt_rbd_secret_uuid}",
+      require => Exec['get-or-set virsh secret']
+    }
+
+  }
+
+}