Bugfix/docker apt repo gpg key fix (#58)

* dockerproject.org is using another gpg key than download.docker.com

* Cover fix by unit test

Author: admont

manifests/repos.pp

@@ -24,8 +24,8 @@
             repos    => 'main',
             release  => 'ubuntu-xenial',
             key      => {
-              'id'     => '9DC858229FC7DD38854AE2D88D81803C0EBFCD88',
-              'source' => 'https://download.docker.com/linux/ubuntu/gpg',
+              'id'     => '58118E89F3A912897C070ADBF76221572C52609D',
+              'source' => 'https://apt.dockerproject.org/gpg',
           },
         }
       }

spec/classes/repos_spec.rb

@@ -17,7 +17,13 @@
     let(:params) { { 'container_runtime' => 'docker' } }
 
     it { should contain_apt__source('kubernetes') }
-    it { should contain_apt__source('docker') }
+    it { should contain_apt__source('docker').with(
+              :ensure   => 'present',
+              :location => 'https://apt.dockerproject.org/repo',
+              :repos    => 'main',
+              :release  => 'ubuntu-xenial',
+              :key      => { 'id' => '58118E89F3A912897C070ADBF76221572C52609D', 'source' => 'https://apt.dockerproject.org/gpg' }
+       ) }
 
   end