Make decommission plan more generic

plans/decommission.pp

@@ -1,7 +1,11 @@
 # Decommission a node and disconnect it from the Puppet infrastructure
 #
 # @param nodes The nodes to decommission
-plan commission::decommission(TargetSpec $nodes) {
+# @param puppetserver The Puppet Server that manage the nodes
+plan commission::decommission(
+  TargetSpec $nodes,
+  String[1]  $puppetserver = 'puppet',
+) {
   upload_file('commission/motd.decommissioned', '/etc/motd', $nodes, '_run_as' => 'root')
 
   run_task('service', $nodes, 'Stopping puppet', '_run_as' => 'root', 'action' => 'stop', 'name' => 'puppet')
@@ -14,8 +18,8 @@
 
   run_script('commission/clean-cron-jobs.sh', $nodes, '_run_as' => 'root')
 
-  run_task('commission::revoke_certificates', 'puppet', '_run_as' => 'root', 'certificates' => $nodes)
-  run_task('commission::deactivate_nodes', 'puppet', '_run_as' => 'root', 'nodes' => $nodes)
+  run_task('commission::revoke_certificates', $puppetserver, '_run_as' => 'root', 'certificates' => $nodes)
+  run_task('commission::deactivate_nodes', $puppetserver, '_run_as' => 'root', 'nodes' => $nodes)
 
   run_task('package', $nodes, 'Uninstalling puppet-agent', '_run_as' => 'root', 'action' => 'uninstall', 'name' => 'puppet-agent')
 }