Allow disabling udev usage by LVM

Disabling udev usage from LVM seems to be the only observed working
way of running containerized cinder-volume with local LVM backend.

I didn't come across reports that not using udev would have negative
impact on the functionality.

Additional info at
https://groups.google.com/forum/#!topic/docker-user/n4Xtvsb4RAw

Change-Id: I1bf395a6228dba66fa6bf9b8bcc9f3ac3d922a49
Related-Bug: #1700140

1 files changed, 40 insertions, 0 deletions

diff --git a/manifests/profile/base/lvm.pp b/manifests/profile/base/lvm.pp
new file mode 100644
index 0000000..91810ce
--- /dev/null
+++ b/manifests/profile/base/lvm.pp
@@ -0,0 +1,40 @@
+# Copyright 2017 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::lvm
+#
+# LVM profile for tripleo
+#
+# === Parameters
+#
+# [*enable_udev*]
+#   (Optional) Whether to enable udev usage by LVM.
+#   Defaults to true
+#
+class tripleo::profile::base::lvm (
+  $enable_udev        = true,
+) {
+
+  if $enable_udev {
+    $udev_options_value = 1
+  } else {
+    $udev_options_value = 0
+  }
+  augeas {'udev options in lvm.conf':
+    context => '/files/etc/lvm/lvm.conf/activation/dict/',
+    changes => ["set udev_sync/int ${udev_options_value}",
+                "set udev_rules/int ${udev_options_value}"],
+  }
+
+}