added rewrite to location/proxy & vhost

With credit to https://github.com/OmarzT

manifests/resource/location.pp

@@ -121,6 +121,7 @@ define nginx::resource::location (
   $proxy_set_body       = undef,
   $auth_basic           = undef,
   $auth_basic_user_file = undef,
+  $rewrite_rules        = [],
   $priority             = 500
 ) {
   File {
@@ -207,6 +208,7 @@ define nginx::resource::location (
   if !is_integer($priority) {
     fail('$priority must be an integer.')
   }
+  validate_array($rewrite_rules)
   if ($priority < 401) or ($priority > 599) {
     fail('$priority must be in the range 401-599.')
   }

manifests/resource/vhost.pp

@@ -172,6 +172,7 @@ define nginx::resource::vhost (
   $error_log              = undef,
   $passenger_cgi_param    = undef,
   $use_default_location   = true,
+  $rewrite_rules          = [],
 ) {
 
   validate_re($ensure, '^(present|absent)$',
@@ -298,6 +299,7 @@ define nginx::resource::vhost (
     validate_hash($passenger_cgi_param)
   }
   validate_bool($use_default_location)
+  validate_array($rewrite_rules)
 
   # Variables
   $vhost_dir = "${nginx::config::nx_conf_dir}/sites-available"
@@ -381,6 +383,7 @@ define nginx::resource::vhost (
       index_files         => [],
       location_custom_cfg => $location_custom_cfg,
       notify              => Class['nginx::service'],
+      rewrite_rules       => $rewrite_rules,
     }
   } else {
     $root = $www_root

spec/defines/resource_location_spec.rb

@@ -97,6 +97,26 @@ describe 'nginx::resource::location' do
             '    test2 test value 2;',
           ],
         },
+        {
+          :title => 'should contain rewrite rules',
+          :attr  => 'rewrite_rules',
+          :value => [
+            '^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 last',
+            '^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra  last',
+            '^/users/(.*)$ /show?user=$1? last',
+          ],
+          :match => [
+            '    rewrite ^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 last;',
+            '    rewrite ^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra  last;',
+            '    rewrite ^/users/(.*)$ /show?user=$1? last;',
+          ],
+        },
+        {
+          :title    => 'should not set rewrite_rules',
+          :attr     => 'rewrite_rules',
+          :value    => [],
+          :notmatch => /rewrite/
+        },
       ].each do |param|
         context "when #{param[:attr]} is #{param[:value]}" do
           let :default_params do { :location => 'location', :proxy => 'proxy_value', :vhost => 'vhost1' } end
@@ -373,6 +393,26 @@ describe 'nginx::resource::location' do
             '    test2 test value 2;',
           ],
         },
+        {
+          :title => 'should contain rewrite rules',
+          :attr  => 'rewrite_rules',
+          :value => [
+            '^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 last',
+            '^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra  last',
+            '^/users/(.*)$ /show?user=$1? last',
+          ],
+          :match => [
+            '    rewrite ^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 last;',
+            '    rewrite ^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra  last;',
+            '    rewrite ^/users/(.*)$ /show?user=$1? last;',
+          ],
+        },
+        {
+          :title    => 'should not set rewrite_rules',
+          :attr     => 'rewrite_rules',
+          :value    => [],
+          :notmatch => /rewrite/
+        },
       ].each do |param|
         context "when #{param[:attr]} is #{param[:value]}" do
           let :default_params do { :location => 'location', :www_root => '/var/www/root', :vhost => 'vhost1' } end

templates/vhost/vhost_location_directory.erb

@@ -20,6 +20,9 @@
 <% if @index_files.count > 0 -%>
     index <% Array(@index_files).each do |i| %> <%= i %><% end %>;
 <% end -%>
+<% @rewrite_rules.each do |rewrite_rule| -%>
+    rewrite <%= rewrite_rule %>;
+<% end -%>
 <% if defined? @auth_basic -%>
     auth_basic           "<%= @auth_basic %>";
 <% end -%>
@@ -30,4 +33,3 @@
     <%= key %> <%= value %>;
 <% end -%><% end -%>
   }
-

templates/vhost/vhost_location_proxy.erb

@@ -14,6 +14,9 @@
 <% if @proxy_set_body -%>
     proxy_set_body      <%= @proxy_set_body %>;
 <% end -%>
+<% @rewrite_rules.each do |rewrite_rule| -%>
+    rewrite <%= rewrite_rule %>;
+<% end -%>
 <% if @location_cfg_append -%><% @location_cfg_append.sort_by {|k,v| k}.each do |key,value| -%>
     <%= key %> <%= value %>;
 <% end -%><% end -%>