From cf865c726c641911d1d41a8b830f18cff4c19d33 Mon Sep 17 00:00:00 2001
From: Zhenguo Niu <Niu.ZGlinux@gmail.com>
Date: Tue, 11 Sep 2018 19:17:00 +0800
Subject: [PATCH] Add compute tags support

---
 .../compute/v2/extensions/tags/requests.go    | 52 +++++++++++++++++++
 .../compute/v2/extensions/tags/results.go     | 38 ++++++++++++++
 openstack/compute/v2/extensions/tags/urls.go  | 17 ++++++
 3 files changed, 107 insertions(+)
 create mode 100644 openstack/compute/v2/extensions/tags/requests.go
 create mode 100644 openstack/compute/v2/extensions/tags/results.go
 create mode 100644 openstack/compute/v2/extensions/tags/urls.go

diff --git a/openstack/compute/v2/extensions/tags/requests.go b/openstack/compute/v2/extensions/tags/requests.go
new file mode 100644
index 000000000..0c6dad6b1
--- /dev/null
+++ b/openstack/compute/v2/extensions/tags/requests.go
@@ -0,0 +1,52 @@
+package tags
+
+import (
+	"github.com/huaweicloud/golangsdk"
+)
+
+// CreateOptsBuilder describes struct types that can be accepted by the Create call.
+// The CreateOpts struct in this package does.
+type CreateOptsBuilder interface {
+	// Returns value that can be passed to json.Marshal
+	ToTagsCreateMap() (map[string]interface{}, error)
+}
+
+// CreateOpts implements CreateOptsBuilder
+type CreateOpts struct {
+	// Tags is a set of tags.
+	Tags []string `json:"tags" required:"true"`
+}
+
+// ToImageCreateMap assembles a request body based on the contents of
+// a CreateOpts.
+func (opts CreateOpts) ToTagsCreateMap() (map[string]interface{}, error) {
+	b, err := golangsdk.BuildRequestBody(opts, "")
+	if err != nil {
+		return nil, err
+	}
+
+	return b, nil
+}
+
+// Create implements create tags request
+func Create(client *golangsdk.ServiceClient, server_id string, opts CreateOptsBuilder) (r CreateResult) {
+	b, err := opts.ToTagsCreateMap()
+	if err != nil {
+		r.Err = err
+		return r
+	}
+	_, r.Err = client.Put(createURL(client, server_id), b, &r.Body, &golangsdk.RequestOpts{OkCodes: []int{200}})
+	return
+}
+
+// Get implements tags get request
+func Get(client *golangsdk.ServiceClient, server_id string) (r GetResult) {
+	_, r.Err = client.Get(getURL(client, server_id), &r.Body, nil)
+	return
+}
+
+// Delete implements image delete request
+func Delete(client *golangsdk.ServiceClient, server_id string) (r DeleteResult) {
+	_, r.Err = client.Delete(deleteURL(client, server_id), nil)
+	return
+}
diff --git a/openstack/compute/v2/extensions/tags/results.go b/openstack/compute/v2/extensions/tags/results.go
new file mode 100644
index 000000000..7a5b149c2
--- /dev/null
+++ b/openstack/compute/v2/extensions/tags/results.go
@@ -0,0 +1,38 @@
+package tags
+
+import (
+	"github.com/huaweicloud/golangsdk"
+)
+
+type commonResult struct {
+	golangsdk.Result
+}
+
+// Tags model
+type Tags struct {
+	// Tags is a list of any tags. Tags are arbitrarily defined strings
+	// attached to a resource.
+	Tags []string `json:"tags"`
+}
+
+// Extract interprets any commonResult as a Tags.
+func (r commonResult) Extract() (*Tags, error) {
+	var s *Tags
+	err := r.ExtractInto(&s)
+	return s, 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
+}
+
+//DeleteResult model
+type DeleteResult struct {
+	golangsdk.ErrResult
+}
diff --git a/openstack/compute/v2/extensions/tags/urls.go b/openstack/compute/v2/extensions/tags/urls.go
new file mode 100644
index 000000000..9e5aab854
--- /dev/null
+++ b/openstack/compute/v2/extensions/tags/urls.go
@@ -0,0 +1,17 @@
+package tags
+
+import (
+	"github.com/huaweicloud/golangsdk"
+)
+
+func createURL(c *golangsdk.ServiceClient, server_id string) string {
+	return c.ServiceURL("servers", server_id, "tags")
+}
+
+func getURL(c *golangsdk.ServiceClient, server_id string) string {
+	return c.ServiceURL("servers", server_id, "tags")
+}
+
+func deleteURL(c *golangsdk.ServiceClient, server_id string) string {
+	return c.ServiceURL("servers", server_id, "tags")
+}