Use apply block for configuring node groups

This commit is a WIP on the way to accomplishing the one-line commit
message goal.

Author: reidmv

lib/puppet/functions/pe_xl/node_manager_yaml_location.rb

@@ -0,0 +1,8 @@
+Puppet::Functions.create_function(:'pe_xl::node_manager_yaml_location') do
+  dispatch :nm_yaml_location do
+  end
+
+  def nm_yaml_location()
+    File.join(Puppet.settings['confdir'], 'node_manager.yaml')
+  end
+end

plans/test.pp

@@ -0,0 +1,33 @@
+plan pe_xl::test (
+  TargetSpec $nodes,
+) {
+  $target = get_target($nodes)
+
+  $servername = $target.host
+  apply($target) {
+
+    file { 'node_manager.yaml':
+      ensure  => file,
+      mode    => '0644',
+      path    => Deferred('pe_xl::node_manager_yaml_location'),
+      content => epp('pe_xl/node_manager.yaml.epp', {
+        server => $servername,
+      }),
+    }
+
+    Node_group {
+      require => File['node_manager.yaml'],
+    }
+
+    node_group { 'Test Group':
+      ensure => present,
+      parent => 'PE Infrastructure',
+      rule   => ['and',
+        ['=', ['trusted', 'extensions', 'pp_role'], 'pe_xl::master'],
+        ['=', ['trusted', 'extensions', 'pp_cluster'], 'B'],
+      ],
+    }
+
+  }
+
+}

templates/node_manager.yaml.epp

@@ -0,0 +1,8 @@
+<%- | String $server,
+| -%>
+---
+server: <%= $server %>
+port: 4433
+hostcert: /etc/puppetlabs/puppet/ssl/certs/<%= $server %>.pem
+hostprivkey: /etc/puppetlabs/puppet/ssl/private_keys/<%= $server %>.pem
+localcacert: /etc/puppetlabs/puppet/ssl/certs/ca.pem