Add project tag functionalities in identity v3

internal/acceptance/openstack/identity/v3/projects_test.go

@@ -393,3 +393,23 @@ func TestProjectsTagsCRUD(t *testing.T) {
 	err = projects.DeleteTags(context.TODO(), client, projectMain.ID).ExtractErr()
 	th.AssertNoErr(t, err)
 }
+
+func TestTagCRUD(t *testing.T) {
+	clients.RequireAdmin(t)
+
+	client, err := clients.NewIdentityV3Client()
+	th.AssertNoErr(t, err)
+
+	projectMain, err := CreateProject(t, client, nil)
+	th.AssertNoErr(t, err)
+	defer DeleteProject(t, client, projectMain.ID)
+
+	err = projects.AddTag(context.TODO(), client, projectMain.ID, "Tag1").ExtractErr()
+	th.AssertNoErr(t, err)
+
+	err = projects.CheckTag(context.TODO(), client, projectMain.ID, "Tag1").ExtractErr()
+	th.AssertNoErr(t, err)
+
+	err = projects.DeleteTag(context.TODO(), client, projectMain.ID, "Tag1").ExtractErr()
+	th.AssertNoErr(t, err)
+}

openstack/identity/v3/projects/doc.go

@@ -89,5 +89,32 @@ Example to Delete all tags of a Project
 	if err != nil {
 		panic(err)
 	}
+
+Example to Check if a project contains a Tag
+
+	projectID := "966b3c7d36a24facaf20b7e458bf2192"
+	tag:= "atag"
+	err := projects.CheckTag(context.TODO(), identityClient, projectID, tag).ExtractErr()
+	if err != nil {
+		panic(err)
+	}
+
+Example to Add a Tag to a project
+
+	projectID := "966b3c7d36a24facaf20b7e458bf2192"
+	tag:= "atag"
+	err := projects.AddTag(context.TODO(), identityClient, projectID, tag).ExtractErr()
+	if err != nil {
+		panic(err)
+	}
+
+Example to Delete a Project Tag
+
+	projectID := "966b3c7d36a24facaf20b7e458bf2192"
+	tag:= "atag"
+	err := projects.DeleteTag(context.TODO(), identityClient, projectID, tag).ExtractErr()
+	if err != nil {
+		panic(err)
+	}
 */
 package projects

openstack/identity/v3/projects/requests.go

@@ -298,3 +298,30 @@ func DeleteTags(ctx context.Context, client *gophercloud.ServiceClient, projectI
 	_, r.Header, r.Err = gophercloud.ParseResponse(resp, err)
 	return
 }
+
+// CheckTag checks if a a tag exists in a project.
+func CheckTag(ctx context.Context, client *gophercloud.ServiceClient, projectID string, tag string) (r CheckTagResult) {
+	resp, err := client.Get(ctx, getTagURL(client, projectID, tag), nil, &gophercloud.RequestOpts{
+		OkCodes: []int{204},
+	})
+	_, r.Header, r.Err = gophercloud.ParseResponse(resp, err)
+	return
+}
+
+// AddTag adds a tag to a project.
+func AddTag(ctx context.Context, client *gophercloud.ServiceClient, projectID string, tag string) (r AddTagResult) {
+	resp, err := client.Put(ctx, addTagURL(client, projectID, tag), nil, nil, &gophercloud.RequestOpts{
+		OkCodes: []int{201},
+	})
+	_, r.Header, r.Err = gophercloud.ParseResponse(resp, err)
+	return
+}
+
+// DeleteTag deletes a tag from a project.
+func DeleteTag(ctx context.Context, client *gophercloud.ServiceClient, projectID string, tag string) (r DeleteTagResult) {
+	resp, err := client.Delete(ctx, deleteTagURL(client, projectID, tag), &gophercloud.RequestOpts{
+		OkCodes: []int{204},
+	})
+	_, r.Header, r.Err = gophercloud.ParseResponse(resp, err)
+	return
+}

openstack/identity/v3/projects/results.go

@@ -200,3 +200,21 @@ func (r ModifyTagsResult) Extract() (*ProjectTags, error) {
 type DeleteTagsResult struct {
 	gophercloud.ErrResult
 }
+
+// GetProjectTag is the result of a Get tag request. Call its Extract method to
+// interpret it.
+type CheckTagResult struct {
+	gophercloud.ErrResult
+}
+
+// AddProjectTagResult is the result of a Delete request. Call its ExtractErr method to
+// determine if the request succeeded or failed.
+type AddTagResult struct {
+	gophercloud.ErrResult
+}
+
+// DeleteProjectTagResult is the result of a Delete request. Call its ExtractErr method to
+// determine if the request succeeded or failed.
+type DeleteTagResult struct {
+	gophercloud.ErrResult
+}

openstack/identity/v3/projects/testing/fixtures_test.go

@@ -382,3 +382,36 @@ func HandleDeleteProjectTagsSuccessfully(t *testing.T) {
 		w.WriteHeader(http.StatusNoContent)
 	})
 }
+
+// HandleCheckProjectTagSuccessfully creates an HTTP handler at `/projects/966b3c7d36a24facaf20b7e458bf2192/tags/atag` on the
+// test handler mux that tests if project has a specific tag.
+func HandleCheckProjectTagSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/projects/966b3c7d36a24facaf20b7e458bf2192/tags/atag", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+
+		w.WriteHeader(http.StatusNoContent)
+	})
+}
+
+// HandleAddProjectTagSuccessfully creates an HTTP handler at `/projects/966b3c7d36a24facaf20b7e458bf2192/tags/atag` on the
+// test handler mux that tests adding a project tag succesfully.
+func HandleAddProjectTagSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/projects/966b3c7d36a24facaf20b7e458bf2192/tags/atag", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "PUT")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+
+		w.WriteHeader(http.StatusCreated)
+	})
+}
+
+// HandleDeleteProjectTagSuccessfully creates an HTTP handler at `/projects/966b3c7d36a24facaf20b7e458bf2192/tags/atag` on the
+// test handler mux that tests project deletion.
+func HandleDeleteProjectTagSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/projects/966b3c7d36a24facaf20b7e458bf2192/tags/atag", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "DELETE")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+
+		w.WriteHeader(http.StatusNoContent)
+	})
+}

openstack/identity/v3/projects/testing/requests_test.go

@@ -168,3 +168,36 @@ func TestDeleteTags(t *testing.T) {
 	err := projects.DeleteTags(context.TODO(), client.ServiceClient(), "966b3c7d36a24facaf20b7e458bf2192").ExtractErr()
 	th.AssertNoErr(t, err)
 }
+
+func TestCheckTag(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+	HandleCheckProjectTagSuccessfully(t)
+
+	projectID := "966b3c7d36a24facaf20b7e458bf2192"
+	tag := "atag"
+	res := projects.CheckTag(context.TODO(), client.ServiceClient(), projectID, tag)
+	th.AssertNoErr(t, res.Err)
+}
+
+func TestAddTag(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+	HandleAddProjectTagSuccessfully(t)
+
+	projectID := "966b3c7d36a24facaf20b7e458bf2192"
+	tag := "atag"
+	res := projects.AddTag(context.TODO(), client.ServiceClient(), projectID, tag)
+	th.AssertNoErr(t, res.Err)
+}
+
+func TestDeleteTag(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+	HandleDeleteProjectTagSuccessfully(t)
+
+	projectID := "966b3c7d36a24facaf20b7e458bf2192"
+	tag := "atag"
+	res := projects.DeleteTag(context.TODO(), client.ServiceClient(), projectID, tag)
+	th.AssertNoErr(t, res.Err)
+}

openstack/identity/v3/projects/urls.go

@@ -37,3 +37,15 @@ func modifyTagsURL(client *gophercloud.ServiceClient, projectID string) string {
 func deleteTagsURL(client *gophercloud.ServiceClient, projectID string) string {
 	return client.ServiceURL("projects", projectID, "tags")
 }
+
+func getTagURL(client *gophercloud.ServiceClient, projectID string, tag string) string {
+	return client.ServiceURL("projects", projectID, "tags", tag)
+}
+
+func addTagURL(client *gophercloud.ServiceClient, projectID string, tag string) string {
+	return client.ServiceURL("projects", projectID, "tags", tag)
+}
+
+func deleteTagURL(client *gophercloud.ServiceClient, projectID string, tag string) string {
+	return client.ServiceURL("projects", projectID, "tags", tag)
+}