[openstack|network] Add filters to networks, ports and subnets

lib/fog/openstack/models/network/networks.rb

@@ -5,10 +5,19 @@ module Fog
   module Network
     class OpenStack
       class Networks < Fog::Collection
+
+        attribute :filters
+
         model Fog::Network::OpenStack::Network
 
-        def all
+        def initialize(attributes)
-          load(connection.list_networks.body['networks'])
+          self.filters ||= {}
+          super
+        end
+
+        def all(filters = filters)
+          self.filters = filters
+          load(connection.list_networks(filters).body['networks'])
         end
 
         def get(network_id)

lib/fog/openstack/models/network/ports.rb

@@ -5,10 +5,19 @@ module Fog
   module Network
     class OpenStack
       class Ports < Fog::Collection
+
+        attribute :filters
+
         model Fog::Network::OpenStack::Port
 
-        def all
+        def initialize(attributes)
-          load(connection.list_ports.body['ports'])
+          self.filters ||= {}
+          super
+        end
+
+        def all(filters = filters)
+          self.filters = filters
+          load(connection.list_ports(filters).body['ports'])
         end
 
         def get(port_id)

lib/fog/openstack/models/network/subnets.rb

@@ -5,10 +5,19 @@ module Fog
   module Network
     class OpenStack
       class Subnets < Fog::Collection
+
+        attribute :filters
+
         model Fog::Network::OpenStack::Subnet
 
-        def all
+        def initialize(attributes)
-          load(connection.list_subnets.body['subnets'])
+          self.filters ||= {}
+          super
+        end
+
+        def all(filters = filters)
+          self.filters = filters
+          load(connection.list_subnets(filters).body['subnets'])
         end
 
         def get(subnet_id)

lib/fog/openstack/requests/network/list_networks.rb

@@ -3,17 +3,18 @@ module Fog
     class OpenStack
 
       class Real
-        def list_networks
+        def list_networks(filters = {})
           request(
             :expects => 200,
-            :method => 'GET',
+            :method  => 'GET',
-            :path   => 'networks'
+            :path    => 'networks',
+            :query   => filters
           )
         end
       end
 
       class Mock
-        def list_networks
+        def list_networks(filters = {})
           Excon::Response.new(
             :body   => { 'networks' => self.data[:networks].values },
             :status => 200

lib/fog/openstack/requests/network/list_ports.rb

@@ -3,17 +3,18 @@ module Fog
     class OpenStack
 
       class Real
-        def list_ports
+        def list_ports(filters = {})
           request(
             :expects => 200,
-            :method => 'GET',
+            :method  => 'GET',
-            :path   => 'ports'
+            :path    => 'ports',
+            :query   => filters
           )
         end
       end
 
       class Mock
-        def list_ports
+        def list_ports(filters = {})
           Excon::Response.new(
             :body   => { 'ports' => self.data[:ports].values },
             :status => 200

lib/fog/openstack/requests/network/list_subnets.rb

@@ -3,17 +3,18 @@ module Fog
     class OpenStack
 
       class Real
-        def list_subnets
+        def list_subnets(filters = {})
           request(
             :expects => 200,
-            :method => 'GET',
+            :method  => 'GET',
-            :path   => 'subnets'
+            :path    => 'subnets',
+            :query   => filters
           )
         end
       end
 
       class Mock
-        def list_subnets
+        def list_subnets(filters = {})
           Excon::Response.new(
             :body   => { 'subnets' => self.data[:subnets].values },
             :status => 200