Add 'manual' puppet_run_style, to not manange the agent service.

Author: gertvdijk

manifests/agent.pp

@@ -8,7 +8,7 @@
 #   ['puppet_agent_service']  - The service the puppet agent runs under
 #   ['puppet_agent_package']  - The name of the package providing the puppet agent
 #   ['version']               - The version of the puppet agent to install
-#   ['puppet_run_style']      - The run style of the agent either cron or service
+#   ['puppet_run_style']      - The run style of the agent either 'service', 'cron', 'external' or 'manual'
 #   ['puppet_run_interval']   - The run interval of the puppet agent in minutes, default is 30 minutes
 #   ['user_id']               - The userid of the puppet user
 #   ['group_id']              - The groupid of the puppet group
@@ -83,7 +83,7 @@
     $startonboot = 'no'
   }
 
-  if ($::osfamily == 'Debian') or ($::osfamily == 'Redhat') {
+  if ($::osfamily == 'Debian' and $puppet_run_style != 'manual') or ($::osfamily == 'Redhat') {
     file { $puppet::params::puppet_defaults:
       mode    => '0644',
       owner   => 'root',
@@ -132,18 +132,25 @@
       $service_ensure = 'stopped'
       $service_enable = false
     }
+    # Do not manage the Puppet service and don't touch Debian's defaults file.
+    manual: {
+      $service_ensure = undef
+      $service_enable = undef
+    }
     default: {
       err 'Unsupported puppet run style in Class[\'puppet::agent\']'
     }
   }
 
-  service { $puppet_agent_service:
-    ensure     => $service_ensure,
-    enable     => $service_enable,
-    hasstatus  => true,
-    hasrestart => true,
-    subscribe  => [File[$::puppet::params::puppet_conf], File[$::puppet::params::confdir]],
-    require    => Package[$puppet_agent_package],
+  if $puppet_run_style != 'manual' {
+    service { $puppet_agent_service:
+      ensure     => $service_ensure,
+      enable     => $service_enable,
+      hasstatus  => true,
+      hasrestart => true,
+      subscribe  => [File[$::puppet::params::puppet_conf], File[$::puppet::params::confdir]],
+      require    => Package[$puppet_agent_package],
+    }
   }
 
   if ! defined(File[$::puppet::params::puppet_conf]) {

spec/system/agent_spec.rb

@@ -68,7 +68,27 @@ class { 'puppet::agent':
             # by the agent module.
             it { should have_entry "* * * * \/usr\/bin\/puppet agent --no-daemonize --onetime --logdest syslog > \/dev\/null 2>&1" }
         end
+    end
+
+    context 'agent run style manual' do
+        it 'should work with no errors' do
+            pp = <<-EOS
+                class { 'puppet::agent':
+                    puppet_run_style => 'manual',
+                }
+            EOS
+
+            # Run it twice and test for idempotency
+            puppet_apply(pp) do |r|
+                r.exit_code.should_not == 1
+                r.refresh
+                r.exit_code.should be_zero
+            end
+        end
 
+        describe package('puppet') do
+            it { should be_installed }
+        end
     end
 
     context 'agent with external scheduler' do