Install python3-ironicclient in Fedora or RedHat > 7

Fedora repo [1] has python3 packages, start consuming those.

[1] http://trunk.rdoproject.org/fedora/puppet-passed-ci/

Adjust wsgi script path and ipxe.efi path for Fedora and RedHat > 7.

Change-Id: I93893c6a6b2eb0a382a8696ee9939dd473a71150

manifests/params.pp

@@ -25,6 +25,10 @@ class ironic::params {
   if ($::os_package_type == 'debian') {
     $pyvers = '3'
     $pyver3 = '3'
+  } elsif ($::os['name'] == 'Fedora') or
+          ($::os['family'] == 'RedHat' and Integer.new($::os['release']['major']) > 7) {
+    $pyvers = '3'
+    $pyver3 = '3.6'
   } else {
     $pyvers = ''
     $pyver3 = '2.7'
@@ -56,7 +60,7 @@ class ironic::params {
       $systemd_python_package    = 'systemd-python'
       $ipxe_rom_dir              = '/usr/share/ipxe'
       $ironic_wsgi_script_path   = '/var/www/cgi-bin/ironic'
-      $ironic_wsgi_script_source = '/usr/lib/python2.7/site-packages/ironic/api/app.wsgi'
+      $ironic_wsgi_script_source = "/usr/lib/python${$pyver3}/site-packages/ironic/api/app.wsgi"
       $tftpd_package             = 'tftp-server'
       $ipxe_package              = 'ipxe-bootimgs'
       $syslinux_package          = 'syslinux-extlinux'

manifests/pxe.pp

@@ -69,6 +69,13 @@ class ironic::pxe (
   $http_root_real = pick($::ironic::pxe::common::http_root, $http_root)
   $http_port_real = pick($::ironic::pxe::common::http_port, $http_port)
 
+  if ($::os['name'] == 'Fedora') or
+     ($::os['family'] == 'RedHat' and Integer.new($::os['release']['major']) > 7) {
+    $arch = "-${::os['architecture']}"
+  } else {
+    $arch = ''
+  }
+
   file { $tftp_root_real:
     ensure  => 'directory',
     seltype => 'tftpdir_t',
@@ -174,7 +181,7 @@ class ironic::pxe (
     owner   => 'ironic',
     group   => 'ironic',
     mode    => '0744',
-    source  => "${::ironic::params::ipxe_rom_dir}/ipxe.efi",
+    source  => "${::ironic::params::ipxe_rom_dir}/ipxe${arch}.efi",
     backup  => false,
     require => Anchor['ironic-inspector::install::end'],
   }