Scripts for a couple of simple fission demos

demos/hello/cleanup.sh

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+#!/bin/bash
+
+fission fn delete --name hello
+fission route delete --name $(fission route list|grep hello|cut -f1 -d' ')

demos/hello/hello.js

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+
+module.exports = async function(context) {
+    return {
+        status: 200,
+        body: "Hello, world!\n"
+    };
+}

demos/hello/run.sh

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+#!/bin/bash
+
+DEMO_RUN_FAST=1
+ROOT_DIR=$(dirname $0)/..
+. $ROOT_DIR/util.sh
+
+desc "Kubernetes cluster"
+run "kubectl get nodes"
+
+desc "Fission installed"
+run "kubectl --namespace fission get deployment"
+
+clear
+
+desc "Hello world function"
+run "cat hello.js"
+
+desc "Add NodeJS environment to fission"
+run "fission env create --name nodejs --image fission/node-env"
+
+desc "NodeJS environment pods"
+run "kubectl --namespace fission-function get pod -l environmentName=nodejs"
+
+desc "Upload a function to fission"
+run "fission function create --name hello --env nodejs --code hello.js"
+
+desc "Set up a route \(HTTP trigger\) for the function"
+run "fission route create --method GET --url /hello --function hello"
+
+sleep 2
+
+desc "Finally, run the function"
+run "time -p curl http://$FISSION_ROUTER/hello"
+
+desc "Run the function again"
+run "time -p curl http://$FISSION_ROUTER/hello"
+run "time -p curl http://$FISSION_ROUTER/hello"
+
+desc "The pod is now labeled by the function name"
+run "kubectl --namespace fission-function get pod -l functionName=hello"