Add simple HTTP endpoint sample (pulumi#50)

cloud-js-httpendpoint/.gitignore

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+/node_modules/
+/.pulumi/

cloud-js-httpendpoint/Pulumi.yaml

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+name: cloud-js-httpendpoint
+description: A simple HTTP endpoint that returns the number of times a route has been hit.
+runtime: nodejs

cloud-js-httpendpoint/README.md

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+# Serverless REST API on AWS
+
+A simple REST API that counts the number of times a route has been hit. For a detailed walkthrough of this example, see the article [Create a Serverless REST API](https://docs.pulumi.com/quickstart/aws-rest-api.html).
+
+## Deploying and running the program
+
+1. Create a new stack:
+
+ ```bash
+ $ pulumi stack init count-api-testing
+ ```
+
+1. Set the AWS region:
+
+ ```
+ $ pulumi config set aws:region us-west-2
+ ```
+
+1. Restore NPM modules via `npm install`.
+
+1. Run `pulumi update` to preview and deploy changes:
+
+ ```
+ $ pulumi update
+ Previewing update of stack 'count-api-testing'
+ ...
+
+ Updating stack 'count-api-testing'
+ Performing changes:
+
+ Type Name Status Info
+ + pulumi:pulumi:Stack cloud-js-httpendpoint-count-api-testing created
+ + ├─ cloud:table:Table counterTable created
+ + │ └─ aws:dynamodb:Table counterTable created
+ + └─ cloud:http:HttpEndpoint hello-world created
+ + ├─ cloud:function:Function hello-world4fcc7b60 created
+ + │ └─ aws:serverless:Function hello-world4fcc7b60 created
+ + │ ├─ aws:iam:Role hello-world4fcc7b60 created
+ + │ ├─ aws:lambda:Function hello-world4fcc7b60 created
+ + │ ├─ aws:iam:RolePolicyAttachment hello-world4fcc7b60-32be53a2 created
+ + │ └─ aws:iam:RolePolicyAttachment hello-world4fcc7b60-fd1a00e5 created
+ + ├─ aws:apigateway:RestApi hello-world created
+ + ├─ aws:apigateway:Deployment hello-world created
+ + ├─ aws:lambda:Permission hello-world-4fcc7b60 created
+ + └─ aws:apigateway:Stage hello-world created
+
+ ---outputs:---
+ endpoint: "https://k6z25g5lw6.execute-api.us-west-2.amazonaws.com/stage/"
+
+ info: 14 changes performed:
+ + 14 resources created
+ Update duration: 48.510747688s
+ ```
+
+1. View the endpoint URL and curl a few routes:
+
+ ```bash
+ $ pulumi stack output 
+ Current stack outputs (1):
+ OUTPUT VALUE
+ url https://5e8xrktey3.execute-api.us-west-2.amazonaws.com/stage/
+
+ $ curl $(pulumi stack output url)/hello
+ {"route":"hello","count":1}
+ $ curl $(pulumi stack output url)/woohoo
+ {"route":"woohoo","count":1}
+ ```
+
+1. To view the runtime logs of the Lambda function, use the `pulumi logs` command. To get a log stream, use `pulumi logs --follow`.
+
+## Clean up
+
+1. Run `pulumi destroy` to tear down all resources.
+
+1. To delete the stack itself, run `pulumi stack rm`. Note that this command deletes all deployment history from the Pulumi Console.

cloud-js-httpendpoint/index.js

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+const cloud = require("@pulumi/cloud-aws");
+
+// Create a mapping from 'route' to a count
+let counterTable = new cloud.Table("counterTable", "route");
+
+// Create an API endpoint
+let endpoint = new cloud.HttpEndpoint("hello-world");
+
+endpoint.get("/{route+}", async (req, res) => {
+ let route = req.params["route"];
+ console.log(`Getting count for '${route}'`);
+
+ // get previous value and increment
+ let value = await counterTable.get({route}); // reference outer `counterTable` object
+ let count = (value && value.count) || 0;
+ await counterTable.insert( { route, count: ++count });
+
+ res.status(200).json({ route, count});
+ console.log(`Got count ${count} for '${route}'`);
+});
+
+module.exports.endpoint = endpoint.publish().url;

cloud-js-httpendpoint/package.json

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+{
+ "name": "cloud-js-httpendpoint",
+ "main": "index.js",
+ "dependencies": {
+ "@pulumi/cloud-aws": "^0.12.0",
+ "@pulumi/cloud": "^0.12.0"
+ }
+}

cloud-js-httpendpoint/tsconfig.json

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+{
+ "compilerOptions": {
+ "outDir": "bin",
+ "target": "es6",
+ "lib": [
+ "es6"
+ ], 
+ "module": "commonjs",
+ "moduleResolution": "node",
+ "declaration": true,
+ "sourceMap": true,
+ "stripInternal": true,
+ "experimentalDecorators": true,
+ "pretty": true,
+ "noFallthroughCasesInSwitch": true,
+ "noImplicitAny": true,
+ "noImplicitReturns": true,
+ "forceConsistentCasingInFileNames": true,
+ "strictNullChecks": true
+ },
+ "files": [
+ "index.ts"
+ ]
+}