Adapt tails::tester to run on Jessie.

1. Handle upgrade from Wheezy by dropping obsolete APT pinning.
2. Upgrade list of dependencies for Jessie.

manifests/tester.pp

@@ -8,123 +8,39 @@ class tails::tester (
 
   ### Sanity checks
 
-  if $::lsbdistcodename != 'wheezy' {
-    fail('The tails::tester module only supports Debian Wheezy.')
+  if $::lsbdistcodename != 'jessie' {
+    fail('The tails::tester module only supports Debian Jessie.')
   }
 
   ### Resources
 
   class { '::libvirt::host':
-    libvirt_service_name => 'libvirtd', # wheezy-backports
     qemu_security_driver => 'none',
   }
 
-  apt::preferences_snippet { 'cucumber':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'ipxe-qemu':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'libspice-server1':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'libusb':
-    package  => 'libusb-1.0-0',
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'libvirt0':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'libvirt-bin':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'libvirt-dev':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'ovmf':
-    pin      => 'release o=Debian,n=jessie',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'python-libvirt':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'qemu':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'qemu-kvm':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'qemu-system-x86':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'qemu-utils':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'ruby-gherkin':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'ruby-multi-json':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'ruby-packetfu':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'ruby-rjb':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
-  }
-
-  apt::preferences_snippet { 'seabios':
-    pin      => 'release o=Debian Backports,a=wheezy-backports',
-    priority => 991;
+  apt::preferences_snippet {
+    [ 'cucumber', 'ipxe-qemu', 'libspice-server1', 'libusb', 'libvirt0',
+      'libvirt-bin', 'libvirt-dev', 'ovmf', 'python-libvirt', 'qemu',
+      'qemu-kvm', 'qemu-system-x86', 'qemu-utils', 'ruby-gherkin',
+      'ruby-multi-json', 'ruby-packetfu', 'ruby-rjb', 'seabios'
+      ]:
+      ensure => absent,
   }
 
   $tester_packages = [
     'cucumber',
     'devscripts',
     'dnsmasq-base',
-    'ffmpeg',
     'gawk',
     'git',
-    'libavcodec-extra-53',
+    'i18nspector',
+    'libav-tools',
     'libcap2-bin',
     'libsikuli-script-java',
     'libvirt0',
-    'libvirt-bin',
-    'libvirt-daemon',
+    'libvirt-clients',
+    'libvirt-daemon-system',
     'libvirt-dev',
-    'libvirt-ruby',
     'libvpx1',
     'libxslt1-dev',
     'ntp',
@@ -137,6 +53,7 @@ class tails::tester (
     'radvd',
     'ruby-guestfs',
     'ruby-json',
+    'ruby-libvirt',
     'ruby-net-irc',
     'ruby-packetfu',
     'ruby-rjb',