Graceful restart!

app/start.go

@@ -10,7 +10,7 @@ import (
 )
 
 // Start begins taking HTTP connections.
-func Start(conf common.Conf, db *sql.DB) {
+func Start(conf common.Conf, db *sql.DB) *gin.Engine {
 	r := gin.Default()
 	r.Use(gzip.Gzip(gzip.DefaultCompression), ErrorHandler())
 
@@ -38,12 +38,20 @@ func Start(conf common.Conf, db *sql.DB) {
 			// ReadConfidential privilege required
 			gv1.GET("/friends", Method(v1.FriendsGET, db, common.PrivilegeReadConfidential))
 			gv1.GET("/friends/with/:id", Method(v1.FriendsWithGET, db, common.PrivilegeReadConfidential))
+
+			// M E T A
+			// E     T    "wow thats so meta"
+			// T     E                  -- the one who said "wow that's so meta"
+			// A T E M
+			gv1.GET("/meta/restart", Method(v1.MetaRestartGET, db, common.PrivilegeAPIMeta))
 		}
 	}
 
 	r.NoRoute(v1.Handle404)
-	if conf.Unix {
+
+	return r
+	/*if conf.Unix {
 		panic(r.RunUnix(conf.ListenTo))
 	}
-	panic(r.Run(conf.ListenTo))
+	panic(r.Run(conf.ListenTo))*/
 }

app/v1/meta.go

@@ -0,0 +1,22 @@
+package v1
+
+import (
+	"os"
+	"syscall"
+
+	"github.com/osuripple/api/common"
+)
+
+// MetaRestartGET restarts the API with Zero Downtime™.
+func MetaRestartGET(md common.MethodData) (r common.Response) {
+	proc, err := os.FindProcess(syscall.Getpid())
+	if err != nil {
+		r.Code = 500
+		r.Message = "couldn't find process. what the fuck?"
+		return
+	}
+	r.Code = 200
+	r.Message = "brb"
+	go proc.Signal(syscall.SIGUSR2)
+	return
+}

app/v1/privileges.go

@@ -16,6 +16,7 @@ type privilegesData struct {
 	PrivilegeManageRoles      bool `json:"manage_roles"`
 	PrivilegeManageAPIKeys    bool `json:"manage_api_keys"`
 	PrivilegeBlog             bool `json:"blog"`
+	PrivilegeAPIMeta          bool `json:"api_meta"`
 }
 
 // PrivilegesGET returns an explaination for the privileges, telling the client what they can do with this token.
@@ -34,6 +35,7 @@ func PrivilegesGET(md common.MethodData) (r common.Response) {
 		PrivilegeManageRoles:      md.User.Privileges.HasPrivilegeManageRoles(),
 		PrivilegeManageAPIKeys:    md.User.Privileges.HasPrivilegeManageAPIKeys(),
 		PrivilegeBlog:             md.User.Privileges.HasPrivilegeBlog(),
+		PrivilegeAPIMeta:          md.User.Privileges.HasPrivilegeAPIMeta(),
 	}
 	return
 }