Added GET /health-check and related files

core/api/routes.go

@@ -44,5 +44,6 @@ func GetRouter(auth *AuthMiddleware, prefix string) (rest.App, error) {
 		rest.Post(prefix+"/orgs/:orgId/invites", auth.RequireAuth(PostInvite)),
 		rest.Put(prefix+"/orgs/:orgId/invites/:inviteId", auth.RequireAuth(PutInvite)),
 		rest.Delete(prefix+"/orgs/:orgId/invites/:inviteId", auth.RequireAuth(DeleteInvite)),
+		rest.Get(prefix+"/health-check", GetSystemHealthStatus),
 	)
 }

core/api/syshealth.go

@@ -0,0 +1,38 @@
+package api
+
+import (
+	"github.com/ant0ine/go-json-rest/rest"
+	"github.com/openaccounting/oa-server/core/model"
+)
+
+/**
+ * @api {get} /health-check Get system health status
+ * @apiVersion 1.0.1
+ * @apiName GetSystemHealthStatus
+ * @apiGroup SystemHealth
+ *
+ *
+ * @apiHeader {String} Accept-Version: 1.1.0 semver versioning
+ *
+ * @apiSuccess {String} database Database status: "ok"; "fail"
+ * @apiSuccess {String} api API status: "ok"
+ *
+ * @apiSuccessExample Success-Response:
+ *     HTTP/1.1 200 OK
+ *     {
+ *       "database": "ok",
+ *       "api": "ok",
+ *     }
+ *
+ * @apiUse InternalServerError
+ */
+func GetSystemHealthStatus(w rest.ResponseWriter, r *rest.Request) {
+	status := map[string]string{
+		"database": "ok",
+		"api":      "ok",
+	}
+	if err := model.Instance.PingDatabase(); err != nil {
+		status["database"] = "fail"
+	}
+	w.WriteJson(status)
+}