Adds gateway option to init (hyperledger-labs#544)

Author: ronaldl29

Dockerfile

@@ -10,6 +10,7 @@ COPY package-lock.json /fablo/package-lock.json
 
 # copy files for init network
 COPY samples/chaincodes/chaincode-kv-node /fablo/generators/init/templates/chaincodes/chaincode-kv-node
+COPY samples/gateway/node /fablo/generators/init/templates/gateway/node
 
 WORKDIR /fablo
 RUN npm install --silent --only=prod

README.md

@@ -72,7 +72,7 @@ In this case, however, you should use generated `fablo-docker.sh` instead of `fa
 ### init
 
 ```bash
-fablo init [node] [rest] [dev]
+fablo init [node] [rest] [dev] [gateway]
 ```
 
 Creates simple network config file in current dir.
@@ -82,6 +82,7 @@ Fablo `init` command takes three parameters (the order does not matter):
 * Option `node` makes Fablo to generate a sample Node.js chaincode as well.
 * Option `rest` enables simple REST API with [Fablo REST](https://github.com/fablo-io/fablo-rest) as standalone Docker container.
 * Option `dev` enables running peers in dev mode (so the hot reload for chaincode is possible).
+* Option `gateway` makes Fablo generate a sample Node.js server that connects to the gateway.
 
 Sample command:
 

fablo.sh

@@ -62,7 +62,7 @@ printSplash() {
 printHelp() {
   printSplash
   echo "Usage:
-  fablo init [node] [rest] [dev]
+  fablo init [node] [rest] [dev] [gateway]
     Creates simple Fablo config in current directory with optional Node.js, chaincode and REST API and dev mode.
 
   fablo generate [/path/to/fablo-config.json|yaml [/path/to/fablo/target]]

src/init/index.ts

@@ -91,6 +91,12 @@ export default class InitGenerator extends Generator {
       fabloConfigJson = { ...fabloConfigJson, chaincodes: [] };
     }
 
+    const shouldInitWithNodeSampleGateway = this.args.length && this.args.find((v) => v === "gateway");
+    if (shouldInitWithNodeSampleGateway) {
+      console.log("Creating sample Node.js gateway");
+      this.fs.copy(this.templatePath("gateway"), this.destinationPath("gateway"));
+    }
+
     const shouldAddFabloRest = this.args.length && this.args.find((v) => v === "rest");
     if (shouldAddFabloRest) {
       const orgs = fabloConfigJson.orgs.map((org) => ({ ...org, tools: { fabloRest: true } }));