lxd: Add storage option to new projects

doc/rest-api.yaml

@@ -4641,6 +4641,9 @@ definitions:
                 example: foo
                 type: string
                 x-go-name: Name
+            storage:
+                type: string
+                x-go-name: StoragePool
         type: object
         x-go-package: github.com/canonical/lxd/shared/api
     Resources:

lxc/project.go

@@ -83,9 +83,10 @@ func (c *cmdProject) command() *cobra.Command {
 
 // Create.
 type cmdProjectCreate struct {
-	global     *cmdGlobal
-	project    *cmdProject
-	flagConfig []string
+	global      *cmdGlobal
+	project     *cmdProject
+	flagConfig  []string
+	flagStorage string
 }
 
 func (c *cmdProjectCreate) command() *cobra.Command {
@@ -100,6 +101,7 @@ lxc project create p1 < config.yaml
     Create a project with configuration from config.yaml`))
 
 	cmd.Flags().StringArrayVarP(&c.flagConfig, "config", "c", nil, i18n.G("Config key/value to apply to the new project")+"``")
+	cmd.Flags().StringVarP(&c.flagStorage, "storage", "s", "", i18n.G("Storage pool name to be used as the root device in the default profile")+"``")
 
 	cmd.RunE = c.run
 
@@ -152,6 +154,7 @@ func (c *cmdProjectCreate) run(cmd *cobra.Command, args []string) error {
 	project := api.ProjectsPost{}
 	project.Name = resource.name
 	project.ProjectPut = stdinData
+	project.StoragePool = c.flagStorage
 
 	if project.Config == nil {
 		project.Config = map[string]string{}

lxd/api_project.go

@@ -330,7 +330,7 @@ func projectsPost(d *Daemon, r *http.Request) response.Response {
 		}
 
 		if shared.IsTrue(project.Config["features.profiles"]) {
-			err = projectCreateDefaultProfile(tx, project.Name)
+			err = projectCreateDefaultProfile(tx, project.Name, project.StoragePool)
 			if err != nil {
 				return err
 			}
@@ -357,18 +357,34 @@ func projectsPost(d *Daemon, r *http.Request) response.Response {
 }
 
 // Create the default profile of a project.
-func projectCreateDefaultProfile(tx *db.ClusterTx, project string) error {
+func projectCreateDefaultProfile(tx *db.ClusterTx, project, storagePool string) error {
 	// Create a default profile
 	profile := cluster.Profile{}
 	profile.Project = project
 	profile.Name = api.ProjectDefaultName
 	profile.Description = "Default LXD profile for project " + project
 
-	_, err := cluster.CreateProfile(context.TODO(), tx.Tx(), profile)
+	profileID, err := cluster.CreateProfile(context.TODO(), tx.Tx(), profile)
 	if err != nil {
 		return fmt.Errorf("Add default profile to database: %w", err)
 	}
 
+	if storagePool != "" {
+		rootDev := map[string]string{}
+		rootDev["path"] = "/"
+		rootDev["pool"] = storagePool
+		device := cluster.Device{
+			Name:   "root",
+			Type:   cluster.TypeDisk,
+			Config: rootDev,
+		}
+
+		err = cluster.CreateProfileDevices(context.TODO(), tx.Tx(), profileID, map[string]cluster.Device{"root": device})
+		if err != nil {
+			return fmt.Errorf("Add root device to default profile of new project: %w", err)
+		}
+	}
+
 	return nil
 }
 
@@ -731,7 +747,7 @@ func projectChange(s *state.State, project *api.Project, req api.ProjectPut) res
 
 		if shared.ValueInSlice("features.profiles", configChanged) {
 			if shared.IsTrue(req.Config["features.profiles"]) {
-				err = projectCreateDefaultProfile(tx, project.Name)
+				err = projectCreateDefaultProfile(tx, project.Name, "")
 				if err != nil {
 					return err
 				}