Initial work on async functions

api/mqs/new.go

@@ -0,0 +1,29 @@
+package mqs
+
+import (
+	"fmt"
+	"net/url"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/iron-io/functions/api/models"
+)
+
+// New will parse the URL and return the correct MQ implementation.
+func New(mqURL string) (models.MessageQueue, error) {
+	// Play with URL schemes here: https://play.golang.org/p/xWAf9SpCBW
+	u, err := url.Parse(mqURL)
+	if err != nil {
+		logrus.WithError(err).WithFields(logrus.Fields{"url": mqURL}).Fatal("bad MQ URL")
+	}
+	logrus.WithFields(logrus.Fields{"mq": u.Scheme}).Info("selecting MQ")
+	switch u.Scheme {
+	case "memory":
+		return NewMemoryMQ(), nil
+	case "redis":
+		return NewRedisMQ(u)
+	case "bolt":
+		return NewBoltMQ(u)
+	}
+
+	return nil, fmt.Errorf("mq type not supported %v", u.Scheme)
+}