refactoring API and added dbs: postgres, bolt

api/server/server.go

@@ -0,0 +1,58 @@
+package server
+
+import (
+	"fmt"
+	"os"
+	"path"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/gin-gonic/gin"
+	"github.com/iron-io/functions/api/server/datastore"
+	"github.com/iron-io/functions/api/server/router"
+)
+
+type Server struct {
+	router *gin.Engine
+	cfg    *Config
+}
+
+func New(config *Config) *Server {
+	return &Server{
+		router: gin.Default(),
+		cfg:    config,
+	}
+}
+
+func extractFields(c *gin.Context) logrus.Fields {
+	fields := logrus.Fields{"action": path.Base(c.HandlerName())}
+	for _, param := range c.Params {
+		fields[param.Key] = param.Value
+	}
+	return fields
+}
+
+func (s *Server) Start() {
+	if s.cfg.DatabaseURL == "" {
+		cwd, _ := os.Getwd()
+		s.cfg.DatabaseURL = fmt.Sprintf("bolt://%s/bolt.db?bucket=fns", cwd)
+	}
+
+	ds, err := datastore.New(s.cfg.DatabaseURL)
+	if err != nil {
+		logrus.WithError(err).Fatalln("Invalid DB url.")
+	}
+
+	logrus.SetOutput(os.Stdout)
+	logrus.SetLevel(logrus.DebugLevel)
+
+	s.router.Use(func(c *gin.Context) {
+		c.Set("store", ds)
+		c.Set("log", logrus.WithFields(extractFields(c)))
+		c.Next()
+	})
+
+	router.Start(s.router)
+
+	// Default to :8080
+	s.router.Run()
+}