diff --git a/install_puppet.sh b/install_puppet.sh
index 685e30d107..3e64a39ca5 100755
--- a/install_puppet.sh
+++ b/install_puppet.sh
@@ -63,8 +63,11 @@ EOF
     yum install -y redhat-lsb-core git puppet
 else
     #defaults to Ubuntu
-    # NB: keep in sync with openstack_project/files/00-puppet.pref
-    cat > /etc/apt/preferences.d/00-puppet.pref <<EOF
+
+    lsbdistcodename=`lsb_release -c -s`
+    if [ $lsbdistcodename != 'trusty' ] ; then
+        # NB: keep in sync with openstack_project/files/00-puppet.pref
+        cat > /etc/apt/preferences.d/00-puppet.pref <<EOF
 Package: puppet puppet-common puppetmaster puppetmaster-common puppetmaster-passenger
 Pin: version 2.7*
 Pin-Priority: 501
@@ -73,8 +76,10 @@ Package: facter
 Pin: version 1.*
 Pin-Priority: 501
 EOF
-
-    lsbdistcodename=`lsb_release -c -s`
+        rubypkg=rubygems
+    else
+        rubypkg=ruby
+    fi
     puppet_deb=puppetlabs-release-${lsbdistcodename}.deb
     wget http://apt.puppetlabs.com/$puppet_deb -O $puppet_deb
     dpkg -i $puppet_deb
@@ -84,5 +89,5 @@ EOF
     DEBIAN_FRONTEND=noninteractive apt-get --option 'Dpkg::Options::=--force-confold' \
         --assume-yes dist-upgrade
     DEBIAN_FRONTEND=noninteractive apt-get --option 'Dpkg::Options::=--force-confold' \
-        --assume-yes install -y --force-yes puppet git rubygems
+        --assume-yes install -y --force-yes puppet git $rubypkg
 fi
diff --git a/modules/jenkins/manifests/slave.pp b/modules/jenkins/manifests/slave.pp
index e8e958dbec..4cf44127b8 100644
--- a/modules/jenkins/manifests/slave.pp
+++ b/modules/jenkins/manifests/slave.pp
@@ -140,14 +140,6 @@ class jenkins::slave(
     require  => Class[pip],
   }
 
-  file { '/etc/profile.d/rubygems.sh':
-    ensure => present,
-    owner  => 'root',
-    group  => 'root',
-    mode   => '0644',
-    source => 'puppet:///modules/jenkins/rubygems.sh',
-  }
-
   file { '/usr/local/bin/gcc':
     ensure  => link,
     target  => '/usr/bin/ccache',
diff --git a/modules/jenkins/files/rubygems.sh b/modules/openstack_project/files/rubygems.sh
similarity index 100%
rename from modules/jenkins/files/rubygems.sh
rename to modules/openstack_project/files/rubygems.sh
diff --git a/modules/openstack_project/manifests/base.pp b/modules/openstack_project/manifests/base.pp
index 219929c65a..25e4ededd4 100644
--- a/modules/openstack_project/manifests/base.pp
+++ b/modules/openstack_project/manifests/base.pp
@@ -103,13 +103,23 @@ class openstack_project::base(
       key_server => 'pgp.mit.edu',
     }
 
-    file { '/etc/apt/preferences.d/00-puppet.pref':
-      ensure  => present,
-      owner   => 'root',
-      group   => 'root',
-      mode    => '0444',
-      source  => 'puppet:///modules/openstack_project/00-puppet.pref',
-      replace => true,
+    case $::lsbdistcodename {
+      'trusty': {
+        file { '/etc/apt/preferences.d/00-puppet.pref':
+          ensure => absent,
+        }
+      }
+
+      default: {
+        file { '/etc/apt/preferences.d/00-puppet.pref':
+          ensure  => present,
+          owner   => 'root',
+          group   => 'root',
+          mode    => '0444',
+          source  => 'puppet:///modules/openstack_project/00-puppet.pref',
+          replace => true,
+        }
+      }
     }
 
     file { '/etc/default/puppet':
diff --git a/modules/openstack_project/manifests/jenkins_params.pp b/modules/openstack_project/manifests/jenkins_params.pp
index 6dd043db5c..0500179354 100644
--- a/modules/openstack_project/manifests/jenkins_params.pp
+++ b/modules/openstack_project/manifests/jenkins_params.pp
@@ -47,7 +47,11 @@ class openstack_project::jenkins_params {
       $python_magic_package = 'python-magic'
       $python_requests_package = 'python-requests'
       $python_zmq_package = 'python-zmq'
-      $rubygems_package = 'rubygems'
+      if ($::lsbdistcodename) == 'trusty' {
+        $rubygems_package = 'ruby'
+      } else {
+        $rubygems_package = 'rubygems'
+      }
       # Common Lisp interpreter, used for cl-openstack-client
       $sbcl_package = 'sbcl'
       $sqlite_package = 'sqlite'
diff --git a/modules/openstack_project/manifests/thick_slave.pp b/modules/openstack_project/manifests/thick_slave.pp
index aee195408d..e55297e45f 100644
--- a/modules/openstack_project/manifests/thick_slave.pp
+++ b/modules/openstack_project/manifests/thick_slave.pp
@@ -57,11 +57,25 @@ class openstack_project::thick_slave(
     ensure => present,
   }
 
+  if ($::lsbdistcodename == 'trusty') {
+    file { '/etc/profile.d/rubygems.sh':
+      ensure => absent,
+    }
+  } else {
+    file { '/etc/profile.d/rubygems.sh':
+      ensure => present,
+      owner  => 'root',
+      group  => 'root',
+      mode   => '0644',
+      source => 'puppet:///modules/openstack_project/rubygems.sh',
+    }
+  }
+
   package { 'rake':
     ensure   => '10.1.1',
     provider => gem,
     before   => Package['puppetlabs_spec_helper'],
-    require  => Package['rubygems'],
+    require  => Package[$::openstack_project::jenkins_params::rubygems_package],
   }
 
   $gem_packages = [
@@ -73,7 +87,7 @@ class openstack_project::thick_slave(
   package { $gem_packages:
     ensure   => latest,
     provider => gem,
-    require  => Package['rubygems'],
+    require  => Package[$::openstack_project::jenkins_params::rubygems_package],
   }
 
   if ($::operatingsystem == 'Fedora') and ($::operatingsystemrelease >= 19) {
@@ -151,6 +165,13 @@ class openstack_project::thick_slave(
     system => true,
   }
 
+  if ($::lsbdistcodename == 'trusty') {
+    class { 'postgresql::globals':
+      version => '9.3',
+      before  => Class['postgresql::server'],
+    }
+  }
+
   class { 'postgresql::server':
     postgres_password => 'insecure_slave',
     manage_firewall   => false,