(GH-130) Amend system tests for Centos 5

Skip tests that don't apply to Centos 5, and make sure the parent directory
for tablespace correction has the correct SELinux settings for tablespace
management.

Signed-off-by: Ken Barber <ken@bob.sh>

spec/support/shared_examples/non_default_postgres.rb

@@ -41,6 +41,7 @@ shared_examples :non_default_postgres do
 
     it 'with locale and charset, the postgres database should reflect that locale' do
       pending('no support for initdb with lucid', :if => vm == :lucid)
+      pending('no support for locale parameter with centos 5', :if => vm == :centos5)
 
       manifest = <<-EOS
         # Set global locale and charset option, and try installing postgres

spec/support/shared_examples/system_default_postgres.rb

@@ -51,6 +51,7 @@ shared_examples :system_default_postgres do
     end
 
     it 'should take a locale parameter' do
+      pending('no support for locale parameter with centos 5', :if => vm == :centos5)
       manifest = <<-EOS
         include postgresql::server
         postgresql::db { 'test1':

spec/system/test_module/manifests/system_default/test_tablespace.pp

@@ -20,15 +20,18 @@ class postgresql_tests::system_default::test_tablespace {
 
   include postgresql::server
 
-  file { '/tmp':
-    ensure => 'directory',
-  }
   file { '/tmp/pg_tablespaces':
-    ensure => 'directory',
-    owner  => 'postgres',
-    group  => 'postgres',
-    mode   => '0700',
-    require => File['/tmp'],
+    ensure  => 'directory',
+    owner   => 'postgres',
+    group   => 'postgres',
+    mode    => '0700',
+  }~>
+  # This works around rubies that lack Selinux support, I'm looking at you RHEL5
+  exec { "chcon system_u:object_r:postgresql_db_t /tmp/pg_tablespaces":
+    refreshonly => true,
+    path        => "/bin:/usr/bin",
+    onlyif      => "which chcon",
+    before      => File["/tmp/pg_tablespaces/space1", "/tmp/pg_tablespaces/space2"]
   }
 
   postgresql::tablespace{ 'tablespace1':