allow erb and epp templates

Author: tuxmea

manifests/manage.pp

@@ -41,7 +41,13 @@
 #         notify: 'Service[sshd]'
 #       '/etc/motd':
 #         ensure: 'file'
-#         template: 'profile/motd.epp'
+#         epp:
+#           template: 'profile/motd.epp'
+#           context: {}
+#       '/etc/information':
+#         ensure: 'file'
+#         erb:
+#           template: 'profile/information.erb'
 #     package:
 #       example:
 #         ensure: installed
@@ -55,18 +61,41 @@
     $resources.each |$title, $attributes| {
       case $type {
         'file': {
-          if 'template' in $attributes and 'content' in $attributes {
-            fail("You can not set 'content' and 'template' for file ${title}")
+          # sanity checks
+          # epp, erb and content are exclusive
+          if 'epp' in $attributes and 'content' in $attributes {
+            fail("You can not set 'epp' and 'content' for file ${title}")
+          }
+          if 'erb' in $attributes and 'content' in $attributes {
+            fail("You can not set 'erb' and 'content' for file ${title}")
+          }
+          if 'erb' in $attributes and 'epp' in $attributes {
+            fail("You can not set 'erb' and 'epp' for file ${title}")
           }
-          if 'template' in $attributes {
-            $content = epp($attributes['template'])
+
+          if 'epp' in $attributes {
+            if 'template' in $attributes['epp'] {
+              if 'context' in $attributes['epp'] {
+                $content = epp($attributes['epp']['template'], $attributes['epp']['context'])
+              } else {
+                $content = epp($attributes['epp']['template'])
+              }
+            } else {
+              fail("No template configured for epp for file ${title}")
+            }
+          } elsif 'erb' in $attributes {
+            if 'template' in $attributes['erb'] {
+              $content = template($attributes['erb']['template'])
+            } else {
+              fail("No template configured for erb for file ${title}")
+            }
           } elsif 'content' in $attributes {
             $content = $attributes['content']
           } else {
             $content = undef
           }
           file { $title:
-            *       => $attributes - 'template' - 'content',
+            *       => $attributes - 'erb' - 'epp' - 'content',
             content => $content,
           }
         }

spec/classes/manage_spec.rb

@@ -27,7 +27,14 @@
               'notify' => 'Service[sshd]'
             },
             '/etc/motd' => {
-              'template' => 'stdlib/manage_spec.epp'
+              'epp' => {
+                'template' => 'profile/motd.epp'
+              }
+            },
+            '/etc/information' => {
+              'erb' => {
+                'template' => 'profile/information.erb'
+              }
             }
           },
           'package' => {
@@ -41,12 +48,16 @@
     end
 
     Puppet::Functions.create_function(:epp) do
-      return 'I am a template'
+      return 'I am an epp template'
+    end
+    Puppet::Functions.create_function(:template) do
+      return 'I am an erb template'
     end
 
     it { is_expected.to compile }
     it { is_expected.to contain_file('/etc/motd.d/hello').with_content('I say Hi').with_notify('Service[sshd]') }
-    it { is_expected.to contain_file('/etc/motd').with_content(%r{I am a template}) }
+    it { is_expected.to contain_file('/etc/motd').with_content(%r{I am an epp template}) }
+    it { is_expected.to contain_file('/etc/information').with_content(%r{I am an erb template}) }
     it { is_expected.to contain_package('example').with_ensure('installed').that_subscribes_to(['Service[sshd]', 'File[/etc/motd.d]']) }
   end
 end