docs(samples): Update ReadMe and comments for samples (#225)

* docs(samples): Update ReadMe and comments for samples

* docs(samples): Update ReadMe and comments for samples

* Update bodyparser and comment

* Fix merge error

* Add comment for bodyParser

* Update comment

Author: averikitsch

cloud-tasks/README.md

@@ -167,4 +167,4 @@ __Usage:__
 
 [shell_img]: https://gstatic.com/cloudssh/images/open-btn.png
 [shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-tasks&page=editor&open_in_editor=samples/README.md
-[product-docs]: https://cloud.google.com/tasks/docs/
+[product-docs]: https://cloud.google.com/tasks/docs/

cloud-tasks/createHttpTask.js

@@ -35,10 +35,10 @@ async function createHttpTask(
 
   // TODO(developer): Uncomment these lines and replace with your values.
   // const project = 'my-project-id';
-  // const queue = 'my-appengine-queue';
+  // const queue = 'my-queue';
   // const location = 'us-central1';
-  // const url = 'https://<project-id>.appspot.com/log_payload'
-  // const options = {payload: 'hello'};
+  // const url = 'https://example.com/taskhandler'
+  // const payload = 'hello';
 
   // Construct the fully qualified queue name.
   const parent = client.queuePath(project, location, queue);

cloud-tasks/createHttpTaskWithToken.js

@@ -36,11 +36,11 @@ async function createHttpTaskWithToken(
 
   // TODO(developer): Uncomment these lines and replace with your values.
   // const project = 'my-project-id';
-  // const queue = 'my-appengine-queue';
+  // const queue = 'my-queue';
   // const location = 'us-central1';
-  // const url = 'https://<project-id>.appspot.com/log_payload'
+  // const url = 'https://example.com/taskhandler'
   // const email = 'client@<project-id>.iam.gserviceaccount.com'
-  // const options = {payload: 'hello'};
+  // const payload = 'hello';
 
   // Construct the fully qualified queue name.
   const parent = client.queuePath(project, location, queue);

cloud-tasks/createTask.js

@@ -31,7 +31,8 @@ async function createTask(project, location, queue, payload, inSeconds) {
   // const project = 'my-project-id';
   // const queue = 'my-appengine-queue';
   // const location = 'us-central1';
-  // const options = {payload: 'hello'};
+  // const payload = 'hello';
+  // const inSeconds = 30;
 
   // Construct the fully qualified queue name.
   const parent = client.queuePath(project, location, queue);

cloud-tasks/quickstart.js

@@ -30,7 +30,7 @@ async function createTask(project, location, queue, payload, inSeconds) {
   // const project = 'my-project-id';
   // const queue = 'my-appengine-queue';
   // const location = 'us-central1';
-  // const options = {payload: 'hello'};
+  // const payload = 'hello';
 
   // Construct the fully qualified queue name.
   const parent = client.queuePath(project, location, queue);

cloud-tasks/server.js

@@ -22,9 +22,9 @@ const express = require('express');
 const app = express();
 app.enable('trust proxy');
 
-app.use(bodyParser.raw());
-app.use(bodyParser.json());
-app.use(bodyParser.text());
+// By default, the Content-Type header of the Task request is set to "application/octet-stream"
+// see https://cloud.google.com/tasks/docs/reference/rest/v2beta3/projects.locations.queues.tasks#AppEngineHttpRequest
+app.use(bodyParser.raw({type: 'application/octet-stream'}));
 
 app.get('/', (req, res) => {
   // Basic index to verify app is serving