Parameterize package names

README.md

@@ -10,13 +10,28 @@ Install nodejs package and npm package provider for Debian, Ubuntu, Fedora, RedH
 
 Installs nodejs and npm per [nodejs documentation](https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager).
 
+* node_pkg: the package to install that provides nodejs.
+* npm_pkg: the package to install that provides `npm`.
+* dev_pkg: the package to install that provides the nodejs development libraries.
 * dev_package: whether to install optional dev packages. dev packages not available on all platforms, default: false.
+* manage_repo: whether to manage the repository that provides the packages for nodejs. Defaults to "false".
+* proxy: the HTTP proxy to use for nodejs.
+* version: the version of nodejs packages to install. Defaults to "present".
 
-Example:
+Examples:
 
     include nodejs
 
-You may want to use apt::pin to pin package installation priority on squeeze. See [puppetlabs-apt](https://github.com/puppetlabs/puppetlabs-apt) for more information.
+Red Hat Enterprise Linux (and derivatives) may want to install nodejs from Software Collections:
+
+    class { 'nodejs':
+      node_pkg    => 'nodejs010',
+      npm_pkg     => 'nodejs010-npm',
+      dev_pkg     => 'nodejs010-devel',
+      dev_package => true,
+    }
+
+Debian users may want to use apt::pin to pin package installation priority on squeeze. See [puppetlabs-apt](https://github.com/puppetlabs/puppetlabs-apt) for more information.
 
     apt::pin { 'sid': priority => 100 }
 
@@ -64,5 +79,6 @@ nodejs::npm title consists of filepath and package name seperate via ':', and su
 
 The module have been tested on the following operating systems. Testing and patches for other platforms are welcomed.
 
-* Debian Wheezy.
-* RedHat EL5.
+* Debian Wheezy
+* Red Hat Enterprise Linux 5
+* Red Hat Enterprise Linux 6

manifests/init.pp

@@ -2,13 +2,40 @@
 #
 # Parameters:
 #
+# node_pkg: (string) the name of the package to install
+# npm_pkg : (string) the name of the package that provides npm
+# dev_pkg : (string) the name of the NodeJS development package to install
+# dev_package: (bool) whether to install the dev_pkg or not
+# manage_repo: (bool) whether to manage the repository
+# proxy: (string) the HTTP proxy to use
+# version: (string) the version of NodeJS (and associated packages) to install
+#
 # Actions:
 #
 # Requires:
 #
 # Usage:
+# To install the default NodeJS packages as determined by your operating system
+# (and as codified in nodejs::params), you can accept the default values:
+#
+# include nodejs
+# class { 'nodejs': }
+#
+# To install a specific package name, you can override the parameter values. The
+# following example installs NodeJS from Software Collections on a Red Hat-derived
+# system:
+#
+# class { 'nodejs':
+#   node_pkg    => 'nodejs010',
+#   npm_pkg     => 'nodejs010-npm',
+#   dev_pkg     => 'nodejs010-devel',
+#   dev_package => true,
+# }
 #
 class nodejs(
+  $node_pkg    = $::nodejs::params::node_pkg,
+  $npm_pkg     = $::nodejs::params::npm_pkg,
+  $dev_pkg     = $::nodejs::params::dev_pkg,
   $dev_package = false,
   $manage_repo = false,
   $proxy       = '',
@@ -103,8 +130,8 @@
   anchor { 'nodejs::repo': }
 
   package { 'nodejs':
-    name    => $nodejs::params::node_pkg,
     ensure  => $version,
+    name    => $node_pkg,
     require => Anchor['nodejs::repo']
   }
 
@@ -131,8 +158,8 @@
 
     default: {
       package { 'npm':
-        name    => $nodejs::params::npm_pkg,
         ensure  => present,
+        name    => $npm_pkg,
         require => Anchor['nodejs::repo']
       }
     }
@@ -146,10 +173,10 @@
     }
   }
 
-  if $dev_package and $nodejs::params::dev_pkg {
+  if $dev_package and $dev_pkg {
     package { 'nodejs-dev':
-      name    => $nodejs::params::dev_pkg,
       ensure  => $version,
+      name    => $dev_pkg,
       require => Anchor['nodejs::repo']
     }
   }

manifests/params.pp

@@ -1,8 +1,10 @@
 # Class: nodejs::parms
 #
 # Parameters:
+# None!
 #
 # Actions:
+# None!
 #
 # Requires:
 #
@@ -40,19 +42,22 @@
         }
       }
       $npm_pkg  = 'npm'
+      $dev_pkg  = 'nodejs-devel'
       $baseurl  = 'http://patches.fedorapeople.org/oldnode/stable/el$releasever/$basearch/'
     }
 
     'Fedora': {
       $node_pkg = 'nodejs-compat-symlinks'
       $npm_pkg  = 'npm'
+      $dev_pkg  = 'nodejs-devel'
       $gpgcheck = 1
       $baseurl  = 'http://patches.fedorapeople.org/oldnode/stable/f$releasever/$basearch/'
     }
 
     'Amazon': {
       $node_pkg = 'nodejs'
       $npm_pkg  = 'npm'
+      $dev_pkg  = 'nodejs-devel'
       $gpgcheck = 1
       $baseurl  = 'http://patches.fedorapeople.org/oldnode/stable/amzn1/$basearch/'
     }

spec/classes/nodejs_spec.rb

@@ -110,7 +110,7 @@
         end
 
         let :params do
-          { :dev_package => true,:manage_repo => true}
+          { :manage_repo => true}
         end
 
         context 'when manage_repo is true' do
@@ -141,6 +141,32 @@
             should_not contain_file('nodejs_repofile')
           end
         end
+
+        context 'when dev_package is true' do
+          let (:params) {{:dev_package => true}}
+          it { should contain_package('nodejs-dev') }
+        end
+
+        context 'when node_pkg is set' do
+          let (:params) {{:node_pkg => 'nodejs010'}}
+          it { should contain_package('nodejs').with({
+            'name' => 'nodejs010',
+            'require' => 'Anchor[nodejs::repo]',
+          }) }
+        end
+
+        context 'when node_pkg and npm_pkg are set' do
+          let (:params) {{:node_pkg => 'nodejs010',:npm_pkg => 'nodejs010-npm'}}
+          it { should contain_package('nodejs').with({
+            'name' => 'nodejs010',
+            'require' => 'Anchor[nodejs::repo]',
+          }) }
+          it { should contain_package('npm').with({
+            'name' => 'nodejs010-npm',
+            'require' => 'Anchor[nodejs::repo]',
+          }) }
+        end
+
         it { should contain_package('nodejs').with({
           'name'    => package,
           'require' => 'Anchor[nodejs::repo]',
@@ -162,7 +188,7 @@
         }
       end
       let :params do
-        { :dev_package => true,:manage_repo => true }
+        { :manage_repo => true }
       end
       context 'when manage_repo is true' do
         it 'should remove the node-js-stable-release package' do
@@ -194,6 +220,10 @@
         end
       end
 
+      context 'when dev_package is true' do
+        let (:params) {{:dev_package => true}}
+        it { should contain_package('nodejs-dev') }
+      end
       it { should contain_package('nodejs').with({
         'require' => 'Anchor[nodejs::repo]',
       }) }