fix(health): ZMSA-4: health endpoint also add WD API version (#890)

* health endpoints add also WD API version

* rename error response object

* fix HealthErrorResponse

Author: NickOvt

lib/api/health.js

@@ -3,6 +3,7 @@
 const Joi = require('joi');
 const tools = require('../tools');
 const { successRes } = require('../schemas/response/general-schemas');
+const packageData = require('../../package.json');
 
 module.exports = (db, server, loggelf) => {
     server.get(
@@ -19,14 +20,18 @@ module.exports = (db, server, loggelf) => {
                 response: {
                     200: {
                         description: 'Success',
-                        model: Joi.object({ success: successRes }).$_setFlag('objectName', 'SuccessResponse')
+                        model: Joi.object({
+                            success: successRes,
+                            version: Joi.string().required().description('Currently running Wildduck API version')
+                        }).$_setFlag('objectName', 'HealthSuccessResponse')
                     },
                     500: {
                         description: 'Failed',
                         model: Joi.object({
                             success: successRes,
-                            message: Joi.string().required().description('Error message specifying what went wrong').$_setFlag('objectName', 'ErrorResponse')
-                        })
+                            version: Joi.string().required().description('Currently running Wildduck API version'),
+                            message: Joi.string().required().description('Error message specifying what went wrong')
+                        }).$_setFlag('objectName', 'HealthErrorResponse')
                     }
                 }
             }
@@ -44,6 +49,7 @@ module.exports = (db, server, loggelf) => {
                     res.status(500);
                     return res.json({
                         success: false,
+                        version: packageData.version,
                         message: 'DB is down'
                     });
                 }
@@ -55,6 +61,7 @@ module.exports = (db, server, loggelf) => {
                 res.status(500);
                 return res.json({
                     success: false,
+                    version: packageData.version,
                     message: 'DB is down'
                 });
             }
@@ -73,6 +80,7 @@ module.exports = (db, server, loggelf) => {
                 res.status(500);
                 return res.json({
                     success: false,
+                    version: packageData.version,
                     message: 'Could not write to DB'
                 });
             }
@@ -89,6 +97,7 @@ module.exports = (db, server, loggelf) => {
                 res.status(500);
                 return res.json({
                     success: false,
+                    version: packageData.version,
                     message: 'Redis is down'
                 });
             }
@@ -113,12 +122,13 @@ module.exports = (db, server, loggelf) => {
                 res.status(500);
                 return res.json({
                     success: false,
+                    version: packageData.version,
                     message: 'Redis is not writeable/readable'
                 });
             }
 
             res.status(200);
-            return res.json({ success: true });
+            return res.json({ success: true, version: packageData.version });
         })
     );
 };