Update request and result for listing identity roles

.travis.yml

@@ -7,7 +7,6 @@ install:
 - go get github.com/mattn/goveralls
 - go get golang.org/x/tools/cmd/goimports
 go:
-- "1.11"
 - "1.13"
 - "1.14"
 - tip

openstack/identity/v3/roles/requests.go

@@ -14,10 +14,24 @@ type ListOptsBuilder interface {
 // ListOpts provides options to filter the List results.
 type ListOpts struct {
 	// DomainID filters the response by a domain ID.
+	// If this parameter is specified, only custom policies of the account will be returned.
+	// If not specified, all system permissions (including system-defined policies and roles) will be returned.
 	DomainID string `q:"domain_id"`
 
 	// Name filters the response by role name.
 	Name string `q:"name"`
+
+	DisplayName string `q:"display_name"`
+
+	// This parameter is valid only when domain_id is left blank.
+	// policy: system-defined policy; role: system-defined role
+	PermissionType string `q:"permission_type"`
+
+	// Display mode of the permission. The options include domain, project, and all.
+	Type string `q:"type"`
+
+	// Service catalog, which corresponds to the catalog field in policies.
+	Catalog string `q:"catalog"`
 }
 
 // ToRoleListQuery formats a ListOpts into a query string.

openstack/identity/v3/roles/results.go

@@ -19,8 +19,13 @@ type Role struct {
 	// Links contains referencing links to the role.
 	Links map[string]interface{} `json:"links"`
 
-	// Name is the role name
-	Name string `json:"name"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	DisplayName string `json:"display_name"`
+	Flag        string `json:"flag"`
+	Catalog     string `json:"catalog"`
+	Type        string `json:"type"`
+	Policy      Policy `json:"policy"`
 
 	// Extra is a collection of miscellaneous key/values.
 	Extra map[string]interface{} `json:"-"`