Update hostcertificated to take both Strings and Arrays

manifests/init.pp

@@ -845,7 +845,9 @@ class ssh (
   }
 
   if $sshd_config_hostcertificate_real != undef {
+    if is_array($sshd_config_hostcertificate_real) {
       validate_array($sshd_config_hostcertificate_real)
+    }
     validate_absolute_path($sshd_config_hostcertificate_real)
   }
 

spec/classes/init_spec.rb

@@ -1075,7 +1075,7 @@ describe 'sshd_config_print_last_log param' do
     end
 
     context 'with a certificate' do
-      let(:params) { { :sshd_config_hostcertificate => ['/etc/ssh/ssh_host_key-cert.pub'] } }
+      let(:params) { { :sshd_config_hostcertificate => '/etc/ssh/ssh_host_key-cert.pub' } }
 
       it { should contain_file('sshd_config').with_content(/^HostCertificate \/etc\/ssh\/ssh_host_key-cert\.pub/) }
     end
@@ -1088,12 +1088,14 @@ describe 'sshd_config_print_last_log param' do
   end
 
   context 'with sshd_config_hostcertificate set to invalid value on valid osfamily' do
+    context 'with string' do
       let(:params) { { :sshd_config_hostcertificate => 'invalid' } }
 
       it 'should fail' do
         expect {
           should contain_class('ssh')
-      }.to raise_error(Puppet::PreformattedError,/"invalid" is not an Array/)
+        }.to raise_error(Puppet::Error,/"invalid" is not an absolute path/)
+      end
     end
   end
 

templates/sshd_config.erb

@@ -263,10 +263,12 @@ Match <%= key %>
 <%     end -%>
 <%   end -%>
 <% end -%>
-<% if @sshd_config_hostcertificate_real -%>
+<% if @sshd_config_hostcertificate_real.class == Array -%>
 <%   @sshd_config_hostcertificate_real.each do |cert| -%>
 HostCertificate <%= cert %>
 <%   end -%>
+<% elsif @sshd_config_hostcertificate_real.class == String -%>
+HostCertificate <%= @sshd_config_hostcertificate_real %>
 <% end -%>
 <% if @sshd_config_trustedusercakeys_real -%>
 TrustedUserCAKeys <%= @sshd_config_trustedusercakeys_real %>