Delegate identity v2 extensions to common.
diff --git a/openstack/identity/v2/extensions/delegate.go b/openstack/identity/v2/extensions/delegate.go
new file mode 100644
index 0000000..d08e1fd
--- /dev/null
+++ b/openstack/identity/v2/extensions/delegate.go
@@ -0,0 +1,41 @@
+package extensions
+
+import (
+ "github.com/rackspace/gophercloud"
+ common "github.com/rackspace/gophercloud/openstack/common/extensions"
+ "github.com/rackspace/gophercloud/pagination"
+)
+
+// Extension is a single OpenStack extension.
+type Extension struct {
+ common.Extension
+}
+
+// GetResult wraps a GetResult from common.
+type GetResult struct {
+ common.GetResult
+}
+
+// ExtractExtensions interprets a Page as a slice of Extensions.
+func ExtractExtensions(page pagination.Page) ([]Extension, error) {
+ inner, err := common.ExtractExtensions(page)
+ if err != nil {
+ return nil, err
+ }
+ outer := make([]Extension, len(inner))
+ for index, ext := range inner {
+ outer[index] = Extension{ext}
+ }
+ return outer, nil
+}
+
+// Get retrieves information for a specific extension using its alias.
+func Get(c *gophercloud.ServiceClient, alias string) GetResult {
+ return GetResult{common.Get(c, alias)}
+}
+
+// List returns a Pager which allows you to iterate over the full collection of extensions.
+// It does not accept query parameters.
+func List(c *gophercloud.ServiceClient) pagination.Pager {
+ return common.List(c)
+}
diff --git a/openstack/identity/v2/extensions/delegate_test.go b/openstack/identity/v2/extensions/delegate_test.go
new file mode 100644
index 0000000..5cc7c12
--- /dev/null
+++ b/openstack/identity/v2/extensions/delegate_test.go
@@ -0,0 +1,116 @@
+package extensions
+
+import (
+ "fmt"
+ "net/http"
+ "testing"
+
+ "github.com/rackspace/gophercloud"
+ common "github.com/rackspace/gophercloud/openstack/common/extensions"
+ "github.com/rackspace/gophercloud/pagination"
+ th "github.com/rackspace/gophercloud/testhelper"
+)
+
+const TokenID = "123"
+
+func ServiceClient() *gophercloud.ServiceClient {
+ return &gophercloud.ServiceClient{
+ Provider: &gophercloud.ProviderClient{
+ TokenID: TokenID,
+ },
+ Endpoint: th.Endpoint(),
+ }
+}
+
+func TestList(t *testing.T) {
+ th.SetupHTTP()
+ defer th.TeardownHTTP()
+
+ th.Mux.HandleFunc("/v2.0/extensions", func(w http.ResponseWriter, r *http.Request) {
+ th.TestMethod(t, r, "GET")
+ th.TestHeader(t, r, "X-Auth-Token", TokenID)
+
+ w.Header().Add("Content-Type", "application/json")
+
+ fmt.Fprintf(w, `
+{
+ "extensions": [
+ {
+ "updated": "2013-01-20T00:00:00-00:00",
+ "name": "Neutron Service Type Management",
+ "links": [],
+ "namespace": "http://docs.openstack.org/ext/neutron/service-type/api/v1.0",
+ "alias": "service-type",
+ "description": "API for retrieving service providers for Neutron advanced services"
+ }
+ ]
+}
+ `)
+ })
+
+ count := 0
+
+ List(ServiceClient()).EachPage(func(page pagination.Page) (bool, error) {
+ count++
+ actual, err := ExtractExtensions(page)
+ if err != nil {
+ t.Errorf("Failed to extract extensions: %v", err)
+ }
+
+ expected := []Extension{
+ Extension{
+ common.Extension{
+ Updated: "2013-01-20T00:00:00-00:00",
+ Name: "Neutron Service Type Management",
+ Links: []interface{}{},
+ Namespace: "http://docs.openstack.org/ext/neutron/service-type/api/v1.0",
+ Alias: "service-type",
+ Description: "API for retrieving service providers for Neutron advanced services",
+ },
+ },
+ }
+
+ th.AssertDeepEquals(t, expected, actual)
+
+ return true, nil
+ })
+
+ if count != 1 {
+ t.Errorf("Expected 1 page, got %d", count)
+ }
+}
+
+func TestGet(t *testing.T) {
+ th.SetupHTTP()
+ defer th.TeardownHTTP()
+
+ th.Mux.HandleFunc("/v2.0/extensions/agent", func(w http.ResponseWriter, r *http.Request) {
+ th.TestMethod(t, r, "GET")
+ th.TestHeader(t, r, "X-Auth-Token", TokenID)
+
+ w.Header().Add("Content-Type", "application/json")
+ w.WriteHeader(http.StatusOK)
+
+ fmt.Fprintf(w, `
+{
+ "extension": {
+ "updated": "2013-02-03T10:00:00-00:00",
+ "name": "agent",
+ "links": [],
+ "namespace": "http://docs.openstack.org/ext/agent/api/v2.0",
+ "alias": "agent",
+ "description": "The agent management extension."
+ }
+}
+ `)
+
+ ext, err := Get(ServiceClient(), "agent").Extract()
+ th.AssertNoErr(t, err)
+
+ th.AssertEquals(t, ext.Updated, "2013-02-03T10:00:00-00:00")
+ th.AssertEquals(t, ext.Name, "agent")
+ th.AssertEquals(t, ext.Namespace, "http://docs.openstack.org/ext/agent/api/v2.0")
+ th.AssertEquals(t, ext.Alias, "agent")
+ th.AssertEquals(t, ext.Description, "The agent management extension.")
+ })
+}