[WIP] add full CRUD operations to openstack/identity/v2/tenants

openstack/identity/v2/tenants/requests.go

@@ -31,3 +31,120 @@ func List(client *gophercloud.ServiceClient, opts *ListOpts) pagination.Pager {
 
 	return pagination.NewPager(client, url, createPage)
 }
+
+// EnabledState represents whether the tenant is enabled or not.
+type EnabledState *bool
+
+// Useful variables to use when creating or updating tenants.
+var (
+	iTrue  = true
+	iFalse = false
+
+	Enabled  EnabledState = &iTrue
+	Disabled EnabledState = &iFalse
+)
+
+// CommonOpts are the parameters that are shared between CreateOpts and
+// UpdateOpts
+type CommonOpts struct {
+	// A name is required. When provided, the value must be
+	// unique or a 409 conflict error will be returned.
+	Name string
+
+	// Indicates whether this user is enabled or not.
+	Enabled EnabledState
+
+	// The description of this tenant.
+	Description string
+}
+
+// CreateOpts represents the options needed when creating new tenants.
+type CreateOpts CommonOpts
+
+// CreateOptsBuilder describes struct types that can be accepted by the Create call.
+type CreateOptsBuilder interface {
+	ToTenantCreateMap() (map[string]interface{}, error)
+}
+
+// ToTenantCreateMap assembles a request body based on the contents of a CreateOpts.
+func (opts CreateOpts) ToTenantCreateMap() (map[string]interface{}, error) {
+	m := make(map[string]interface{})
+
+	if opts.Name != "" {
+		m["name"] = opts.Name
+	}
+	if opts.Description != "" {
+		m["description"] = opts.Description
+	}
+	if opts.Enabled != nil {
+		m["enabled"] = &opts.Enabled
+	}
+
+	return map[string]interface{}{"tenant": m}, nil
+}
+
+// Create is the operation responsible for creating new tenants.
+func Create(client *gophercloud.ServiceClient, opts CreateOptsBuilder) CreateResult {
+	var res CreateResult
+
+	reqBody, err := opts.ToTenantCreateMap()
+	if err != nil {
+		res.Err = err
+		return res
+	}
+
+	_, res.Err = client.Post(rootURL(client), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201},
+	})
+
+	return res
+}
+
+// Get requests details on a single tenant, either by ID.
+func Get(client *gophercloud.ServiceClient, id string) GetResult {
+	var result GetResult
+	_, result.Err = client.Get(ResourceURL(client, id), &result.Body, nil)
+	return result
+}
+
+// UpdateOptsBuilder allows extensions to add additional attributes to the Update request.
+type UpdateOptsBuilder interface {
+	ToTenantUpdateMap() map[string]interface{}
+}
+
+// UpdateOpts specifies the base attributes that may be updated on an existing tenant.
+type UpdateOpts CommonOpts
+
+// ToUserUpdateMap formats an UpdateOpts structure into a request body.
+func (opts UpdateOpts) ToTenantUpdateMap() map[string]interface{} {
+	m := make(map[string]interface{})
+
+	if opts.Name != "" {
+		m["name"] = opts.Name
+	}
+	if opts.Description != "" {
+		m["description"] = opts.Description
+	}
+	if opts.Enabled != nil {
+		m["enabled"] = &opts.Enabled
+	}
+
+	return map[string]interface{}{"tenant": m}
+}
+
+// Update is the operation responsible for updating exist users by their UUID.
+func Update(client *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) UpdateResult {
+	var result UpdateResult
+	reqBody := opts.ToTenantUpdateMap()
+	_, result.Err = client.Put(ResourceURL(client, id), reqBody, &result.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200},
+	})
+	return result
+}
+
+// Delete is the operation responsible for permanently deleting an API user.
+func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
+	var result DeleteResult
+	_, result.Err = client.Delete(ResourceURL(client, id), nil)
+	return result
+}

openstack/identity/v2/tenants/results.go

@@ -60,3 +60,42 @@ func ExtractTenants(page pagination.Page) ([]Tenant, error) {
 	err := mapstructure.Decode(casted, &response)
 	return response.Tenants, err
 }
+
+type commonResult struct {
+	gophercloud.Result
+}
+
+// Extract interprets any commonResult as a Tenant, if possible.
+func (r commonResult) Extract() (*Tenant, error) {
+	if r.Err != nil {
+		return nil, r.Err
+	}
+
+	var response struct {
+		Tenant Tenant `mapstructure:"tenant"`
+	}
+
+	err := mapstructure.Decode(r.Body, &response)
+
+	return &response.Tenant, err
+}
+
+// CreateResult represents the result of a Create operation
+type CreateResult struct {
+	commonResult
+}
+
+// GetResult represents the result of a Get operation
+type GetResult struct {
+	commonResult
+}
+
+// UpdateResult represents the result of an Update operation
+type UpdateResult struct {
+	commonResult
+}
+
+// DeleteResult represents the result of a Delete operation
+type DeleteResult struct {
+	commonResult
+}

openstack/identity/v2/tenants/urls.go

@@ -2,6 +2,14 @@ package tenants
 
 import "github.com/rackspace/gophercloud"
 
+func ResourceURL(c *gophercloud.ServiceClient, id string) string {
+	return c.ServiceURL("tenants", id)
+}
+
+func rootURL(c *gophercloud.ServiceClient) string {
+	return c.ServiceURL("tenants")
+}
+
 func listURL(client *gophercloud.ServiceClient) string {
 	return client.ServiceURL("tenants")
 }