Exposes the loggerAdapter as log to Cloud Functions and Triggers (#1565)

This allows access to logging inside cloud code and triggers via
    request.log.info
    request.log.error

spec/CloudCodeLogger.spec.js

@@ -0,0 +1,61 @@
+'use strict';
+var LoggerController = require('../src/Controllers/LoggerController').LoggerController;
+var FileLoggerAdapter = require('../src/Adapters/Logger/FileLoggerAdapter').FileLoggerAdapter;
+
+describe("Cloud Code Logger", () => {
+
+    it("should expose log to functions", (done) => {
+        var logController = new LoggerController(new FileLoggerAdapter());
+
+        Parse.Cloud.define("loggerTest", (req, res) => {
+            req.log.info('logTest', 'info log', {info: 'some log' });
+            req.log.error('logTest','error log', {error: 'there was an error'});
+            res.success({});
+        });
+
+        Parse.Cloud.run('loggerTest').then(() => {
+            Parse.Cloud._removeHook('Functions', 'logTest');
+            return logController.getLogs({from: Date.now() - 500, size: 1000});
+        }).then((res) => {
+            expect(res.length).not.toBe(0);
+            let lastLogs =  res.slice(0, 2);
+            let errorMessage = lastLogs[0];
+            let infoMessage = lastLogs[1];
+            expect(errorMessage.level).toBe('error');
+            expect(errorMessage.error).toBe('there was an error');
+            expect(errorMessage.message).toBe('logTest error log');
+            expect(infoMessage.level).toBe('info');
+            expect(infoMessage.info).toBe('some log');
+            expect(infoMessage.message).toBe('logTest info log');
+            done();
+        });
+    });
+
+    it("should expose log to trigger", (done) => {
+        var logController = new LoggerController(new FileLoggerAdapter());
+
+        Parse.Cloud.beforeSave("MyObject", (req, res) => {
+            req.log.info('beforeSave MyObject', 'info log', {info: 'some log' });
+            req.log.error('beforeSave MyObject','error log', {error: 'there was an error'});
+            res.success({});
+        });
+
+        let obj = new Parse.Object('MyObject');
+        obj.save().then(() => {
+            Parse.Cloud._removeHook('Triggers', 'beforeSave', 'MyObject');
+            return logController.getLogs({from: Date.now() - 500, size: 1000})
+        }).then((res) => {
+            expect(res.length).not.toBe(0);
+            let lastLogs =  res.slice(0, 2);
+            let errorMessage = lastLogs[0];
+            let infoMessage = lastLogs[1];
+            expect(errorMessage.level).toBe('error');
+            expect(errorMessage.error).toBe('there was an error');
+            expect(errorMessage.message).toBe('beforeSave MyObject error log');
+            expect(infoMessage.level).toBe('info');
+            expect(infoMessage.info).toBe('some log');
+            expect(infoMessage.message).toBe('beforeSave MyObject info log');
+            done();
+        });
+    });
+});

spec/FileLoggerAdapter.spec.js

@@ -7,7 +7,8 @@ describe('info logs', () => {
     var fileLoggerAdapter = new FileLoggerAdapter();
     fileLoggerAdapter.info('testing info logs', () => {
       fileLoggerAdapter.query({
-        size: 1,
+        from: new Date(Date.now() - 500),
+        size: 100,
         level: 'info'
       }, (results) => {
         if(results.length == 0) {
@@ -28,7 +29,8 @@ describe('error logs', () => {
     var fileLoggerAdapter = new FileLoggerAdapter();
     fileLoggerAdapter.error('testing error logs', () => {
       fileLoggerAdapter.query({
-        size: 1,
+        from: new Date(Date.now() - 500),
+        size: 100,
         level: 'error'
       }, (results) => {
         if(results.length == 0) {

src/RestWrite.js

@@ -162,7 +162,7 @@ RestWrite.prototype.runBeforeTrigger = function() {
   updatedObject.set(this.sanitizedData());
 
   return Promise.resolve().then(() => {
-    return triggers.maybeRunTrigger(triggers.Types.beforeSave, this.auth, updatedObject, originalObject, this.config.applicationId);
+    return triggers.maybeRunTrigger(triggers.Types.beforeSave, this.auth, updatedObject, originalObject, this.config);
   }).then((response) => {
     if (response && response.object) {
       this.data = response.object;
@@ -824,7 +824,7 @@ RestWrite.prototype.runAfterTrigger = function() {
   this.config.liveQueryController.onAfterSave(updatedObject.className, updatedObject, originalObject);
 
   // Run afterSave trigger
-  triggers.maybeRunTrigger(triggers.Types.afterSave, this.auth, updatedObject, originalObject, this.config.applicationId);
+  triggers.maybeRunTrigger(triggers.Types.afterSave, this.auth, updatedObject, originalObject, this.config);
 };
 
 // A helper to figure out what location this operation happens at.

src/Routers/FunctionsRouter.js

@@ -32,13 +32,13 @@ export class FunctionsRouter extends PromiseRouter {
     var theFunction = triggers.getFunction(req.params.functionName, applicationId);
     var theValidator = triggers.getValidator(req.params.functionName, applicationId);
     if (theFunction) {
-
       const params = Object.assign({}, req.body, req.query);
       var request = {
         params: params,
         master: req.auth && req.auth.isMaster,
         user: req.auth && req.auth.user,
-        installationId: req.info.installationId
+        installationId: req.info.installationId,
+        log: req.config.loggerController && req.config.loggerController.adapter
       };
 
       if (theValidator && typeof theValidator === "function") {

src/rest.js

@@ -52,7 +52,7 @@ function del(config, auth, className, objectId) {
           inflatedObject = Parse.Object.fromJSON(response.results[0]);
           // Notify LiveQuery server if possible
           config.liveQueryController.onAfterDelete(inflatedObject.className, inflatedObject);
-          return triggers.maybeRunTrigger(triggers.Types.beforeDelete, auth, inflatedObject, null,  config.applicationId);
+          return triggers.maybeRunTrigger(triggers.Types.beforeDelete, auth, inflatedObject, null,  config);
         }
         throw new Parse.Error(Parse.Error.OBJECT_NOT_FOUND,
                               'Object not found for delete.');
@@ -79,7 +79,7 @@ function del(config, auth, className, objectId) {
       objectId: objectId
     }, options);
   }).then(() => {
-    triggers.maybeRunTrigger(triggers.Types.afterDelete, auth, inflatedObject, null, config.applicationId);
+    triggers.maybeRunTrigger(triggers.Types.afterDelete, auth, inflatedObject, null, config);
     return Promise.resolve();
   });
 }

src/triggers.js

@@ -92,15 +92,18 @@ export function getValidator(functionName, applicationId) {
   return undefined;
 }
 
-export function getRequestObject(triggerType, auth, parseObject, originalParseObject) {
+export function getRequestObject(triggerType, auth, parseObject, originalParseObject, config) {
   var request = {
     triggerName: triggerType,
     object: parseObject,
-    master: false
+    master: false,
+    log: config.loggerController && config.loggerController.adapter
   };
+
   if (originalParseObject) {
     request.original = originalParseObject;
   }
+
   if (!auth) {
     return request;
   }
@@ -145,19 +148,19 @@ export function getResponseObject(request, resolve, reject) {
 // Resolves to an object, empty or containing an object key. A beforeSave
 // trigger will set the object key to the rest format object to save.
 // originalParseObject is optional, we only need that for befote/afterSave functions
-export function maybeRunTrigger(triggerType, auth, parseObject, originalParseObject, applicationId) {
+export function maybeRunTrigger(triggerType, auth, parseObject, originalParseObject, config) {
   if (!parseObject) {
     return Promise.resolve({});
   }
   return new Promise(function (resolve, reject) {
-    var trigger = getTrigger(parseObject.className, triggerType, applicationId);
+    var trigger = getTrigger(parseObject.className, triggerType, config.applicationId);
     if (!trigger) return resolve();
-    var request = getRequestObject(triggerType, auth, parseObject, originalParseObject);
+    var request = getRequestObject(triggerType, auth, parseObject, originalParseObject, config);
     var response = getResponseObject(request, resolve, reject);
     // Force the current Parse app before the trigger
-    Parse.applicationId = applicationId;
+    Parse.applicationId = config.applicationId;
-    Parse.javascriptKey = cache.apps.get(applicationId).javascriptKey || '';
+    Parse.javascriptKey = config.javascriptKey || '';
-    Parse.masterKey = cache.apps.get(applicationId).masterKey;
+    Parse.masterKey = config.masterKey;
     trigger(request, response);
   });
 };