client/Client: Add API for non-validating SSL

identity/identity.go

 // goose/identity - Go package to interact with OpenStack Identity (Keystone) API.
 
 package identity
 
 import (
         "fmt"
         "os"
         "reflect"
+
+        goosehttp "launchpad.net/goose/http"
 )
 
 // AuthMode defines the authentication method to use (see Auth*
 // constants below).
 type AuthMode int
 
 const (
         AuthLegacy   = AuthMode(iota) // Legacy authentication
         AuthUserPass                  // Username + password authentication
         AuthKeyPair                   // Access/secret key pair authentication
@@ skipping 71 matching lines @@
         v := reflect.ValueOf(cred).Elem()
         t := v.Type()
         for i := 0; i < v.NumField(); i++ {
                 f := v.Field(i)
                 if f.String() == "" {
                         err = fmt.Errorf("required environment variable not set for credentials attribute: %s", t.Field(i).Name)
                 }
         }
         return
 }
+
+// NewAuthenticator creates an authenticator matching the supplied AuthMode.
+// The httpclient is allowed to be nil, the Authenticator will just use the
+// default http.Client
+func NewAuthenticator(authMode AuthMode, httpClient *goosehttp.Client) Authenticator {
+        if httpClient == nil {
+                httpClient = goosehttp.New()
+        }
+        switch authMode {
+        default:
+                panic(fmt.Errorf("Invalid identity authorisation mode: %d", authMode))
+        case AuthLegacy:
+                return &Legacy{client: httpClient}
+        case AuthUserPass:
+                return &UserPass{client: httpClient}
+        case AuthKeyPair:
+                return &KeyPair{client: httpClient}
+        }
+}