enable stack short-names (aliases)

appsody/initializer.go

@@ -9,6 +9,14 @@ import (
 	"strings"
 )
 
+// NameMappings are short-name to repository full name mappings,
+// enabling shorthand `faas create go` rather than `faas create go-ce-functions`
+var stackShortNames = map[string]string{
+	"go":   "go-ce-functions",
+	"js":   "node-ce-functions",
+	"java": "quarkus-ce-functions",
+}
+
 // Initializer of functions using the appsody binary.
 type Initializer struct {
 	// Verbose logging flag.
@@ -35,11 +43,24 @@ func (n *Initializer) Initialize(name, language, path string) error {
 	// any dots with dashes.
 	name = strings.ReplaceAll(name, ".", "-")
 
+	// Dereference stack short name
+	stackName, ok := stackShortNames[language]
+	if !ok {
+		languages := []string{}
+		for k, _ := range stackShortNames {
+			languages = append(languages, k)
+		}
+
+		return errors.New(fmt.Sprintf("Unrecognized lanugage '%v'.  Please choose one: %v.", language, strings.Join(languages, ", ")))
+	}
+
 	// set up the command, specifying a sanitized project name and connecting
 	// standard output and error.
-	cmd := exec.Command("appsody", "init", stackName(language), "--project-name", name)
+	cmd := exec.Command("appsody", "init", "boson/"+stackName, "--project-name", name)
 	cmd.Dir = path
 
+	fmt.Println(cmd)
+
 	// If verbose logging is enabled, echo appsody's chatty stdout.
 	if n.Verbose {
 		cmd.Stdout = os.Stdout
@@ -57,7 +78,3 @@ func (n *Initializer) Initialize(name, language, path string) error {
 	}
 	return err
 }
-
-func stackName(language string) string {
-	return "boson/go"
-}