Replace hardcoded curl with nanliu-staging's staging::file.

This replaces the hardcoded `curl` exec with a more flexible
downloader provided by nanliu-staging.  It can use wget or curl,
and will autodetect the right one to use.

.fixtures.yml

@@ -2,6 +2,7 @@ fixtures:
   repositories:
     "stdlib": "git://github.com/puppetlabs/puppetlabs-stdlib.git"
     "apt": "git://github.com/puppetlabs/puppetlabs-apt.git"
+    "staging": "git://github.com/nanliu/puppet-staging.git"
     erlang:
       repo: "https://github.com/garethr/garethr-erlang.git"
   symlinks:

Modulefile

@@ -11,3 +11,4 @@ project_page 'http://github.com/puppetlabs/puppetlabs-rabbitmq'
 dependency 'puppetlabs/stdlib', '>= 2.0.0'
 dependency 'puppetlabs/apt', '>= 1.0.0'
 dependency 'garethr/erlang', '>= 0.1.0'
+dependency 'nanliu/staging', '>= 0.3.1'

manifests/install/rabbitmqadmin.pp

@@ -1,11 +1,11 @@
+#
 class rabbitmq::install::rabbitmqadmin {
 
   $management_port = $rabbitmq::management_port
 
-  exec { 'Download rabbitmqadmin':
-    command => "curl http://localhost:${management_port}/cli/rabbitmqadmin -o /var/lib/rabbitmq/rabbitmqadmin",
-    path    => '/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin',
-    creates => '/var/lib/rabbitmq/rabbitmqadmin',
+  staging::file { 'rabbitmqadmin':
+    target  => '/var/lib/rabbitmq/rabbitmqadmin',
+    source  => "http://localhost:${management_port}/cli/rabbitmqadmin",
     require => [
       Class['rabbitmq::service'],
       Rabbitmq_plugin['rabbitmq_management']
@@ -17,7 +17,7 @@
     group   => 'root',
     source  => '/var/lib/rabbitmq/rabbitmqadmin',
     mode    => '0755',
-    require => Exec['Download rabbitmqadmin'],
+    require => Staging::File['rabbitmqadmin'],
   }
 
 }

spec/spec_helper_system.rb

@@ -29,5 +29,6 @@
     shell('puppet module install garethr-erlang')
     shell('puppet module install puppetlabs-stdlib')
     shell('puppet module install puppetlabs-apt')
+    shell('puppet module install nanliu-staging')
   end
 end