Extend cinder::setup_test_volume to use cinder provided path

cinder::setup_test_volume should now support RHEL6 and RHEL7 and
also Fedora systems. It should use cinder provided path and not
file in /tmp and it should set correct permissions to it.

Change-Id: Iee783a3445c97b6559d63d0d501b12028b7b2b26

manifests/setup_test_volume.pp

@@ -13,33 +13,45 @@
 # [*loopback_device*]
 #   Loop device name. Defaults to '/dev/loop2'.
 #
+# [*volume_path*]
+#   Volume image location. Defaults to '/var/lib/cinder'.
 class cinder::setup_test_volume(
   $volume_name     = 'cinder-volumes',
+  $volume_path     = '/var/lib/cinder',
   $size            = '4G',
   $loopback_device = '/dev/loop2'
 ) {
 
-  Exec {
-    cwd => '/tmp/',
-  }
-
   package { 'lvm2':
     ensure => present,
   } ~>
 
-  exec { "/bin/dd if=/dev/zero of=${volume_name} bs=1 count=0 seek=${size}":
-    unless => "/sbin/vgdisplay ${volume_name}"
+  file { $volume_path:
+    ensure  => directory,
+    owner   => 'cinder',
+    group   => 'cinder',
+    require => Package['cinder'],
   } ~>
 
-  exec { "/sbin/losetup ${loopback_device} ${volume_name}":
+  exec { "create_${volume_path}/${volume_name}":
+    command => "dd if=/dev/zero of=\"${volume_path}/${volume_name}\" bs=1 count=0 seek=${size}",
+    path    => ['/bin','/usr/bin','/sbin','/usr/sbin'],
+    unless  => "stat ${volume_path}/${volume_name}",
+  } ~>
+
+  exec { "losetup ${loopback_device} ${volume_path}/${volume_name}":
+    path        => ['/bin','/usr/bin','/sbin','/usr/sbin'],
     refreshonly => true,
   } ~>
 
-  exec { "/sbin/pvcreate ${loopback_device}":
+  exec { "pvcreate ${loopback_device}":
+    path        => ['/bin','/usr/bin','/sbin','/usr/sbin'],
+    unless      => "pvdisplay | grep ${volume_name}",
     refreshonly => true,
   } ~>
 
-  exec { "/sbin/vgcreate ${volume_name} ${loopback_device}":
+  exec { "vgcreate ${volume_name} ${loopback_device}":
+    path        => ['/bin','/usr/bin','/sbin','/usr/sbin'],
     refreshonly => true,
   }
 

manifests/type_set.pp

@@ -56,7 +56,7 @@ define cinder::type_set (
   }
 
   exec {"cinder type-key ${type} set ${key}=${name}":
-    path        => '/usr/bin',
+    path        => ['/usr/bin', '/bin'],
     command     => "cinder type-key ${type} set ${key}=${name}",
     environment => concat($cinder_env, $region_env),
     require     => Package['python-cinderclient']

spec/classes/cinder_setup_test_volume_spec.rb

@@ -6,10 +6,17 @@ describe 'cinder::setup_test_volume' do
         :ensure => 'present'
       ) }
 
+  it { should contain_file('/var/lib/cinder').with(
+        :ensure => 'directory',
+        :require => 'Package[cinder]'
+      ) }
+
   it 'should contain volume creation execs' do
-    should contain_exec('/bin/dd if=/dev/zero of=cinder-volumes bs=1 count=0 seek=4G')
-    should contain_exec('/sbin/losetup /dev/loop2 cinder-volumes')
-    should contain_exec('/sbin/pvcreate /dev/loop2')
-    should contain_exec('/sbin/vgcreate cinder-volumes /dev/loop2')
+    should contain_exec('create_/var/lib/cinder/cinder-volumes').with(
+        :command => 'dd if=/dev/zero of="/var/lib/cinder/cinder-volumes" bs=1 count=0 seek=4G'
+      )
+    should contain_exec('losetup /dev/loop2 /var/lib/cinder/cinder-volumes')
+    should contain_exec('pvcreate /dev/loop2')
+    should contain_exec('vgcreate cinder-volumes /dev/loop2')
   end
 end