node.js spoonerism service (#15)

Dockerfile.js.base

@@ -0,0 +1,2 @@
+FROM node:10
+

Tiltfile

@@ -1,7 +1,7 @@
 # -*- mode: Python -*-
 
 def servantes():
-  return composite_service([fe, vigoda, fortune, doggos, snack, hypothesizer])
+  return composite_service([fe, vigoda, fortune, doggos, snack, hypothesizer, spoonerisms])
 
 def go_service(name, extra_runs=[]):
   yaml = local_file('%s/deployments/%s.yaml' % (name, name))
@@ -37,6 +37,22 @@ def python_service(name, extra_runs=[]):
 
   return k8s_service(yaml, img)
 
+def javascript_service(name, extra_runs=[]):
+  yaml = local_file('%s/deployments/%s.yaml' % (name, name))
+
+  # right now, Servantes is only intended to work with local docker-for-desktop
+  # or minikube, so we just make up an image name
+  image_name = 'windmill.build/servantes/%s' % name
+
+  img = build_docker_image('Dockerfile.js.base', image_name, 'node /app/index.js')
+  repo = local_git_repo('./%s/' % name)
+  img.add("/app", repo)
+
+  for r in extra_runs:
+    img.run(r)
+
+  return k8s_service(yaml, img)
+
 def fe():
   return go_service('servantes')
 
@@ -55,5 +71,8 @@ def fortune():
 def hypothesizer():
   return python_service('hypothesizer', ['cd /app && pip install -r requirements.txt'])
 
+def spoonerisms():
+  return javascript_service('spoonerisms', ['cd /app && yarn install'])
+
 def local_file(p):
   return local("cat %s" % p)

hypothesizer/app.py

@@ -5,6 +5,7 @@
 benefits = [
     "Jurassic park is real",
     "You can time travel",
+    "You can fall asleep whenever you want",
 ]
 
 drawbacks = [

servantes/main.go

@@ -25,6 +25,7 @@ var Services = []string{
 	"snack",
 	"doggos",
 	"hypothesizer",
+	"spoonerisms",
 }
 
 var ProxyMap = make(map[string]*httputil.ReverseProxy, 0)

spoonerisms/.dockerignore

@@ -0,0 +1 @@
+node_modules

spoonerisms/.gitignore

@@ -0,0 +1 @@
+node_modules

spoonerisms/deployments/spoonerisms.yaml

@@ -0,0 +1,32 @@
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: spoonerisms
+  labels:
+    app: spoonerisms
+spec:
+  template:
+    metadata:
+      labels:
+        app: spoonerisms
+        tier: web
+    spec:
+      containers:
+      - name: spoonerisms
+        image: windmill.build/servantes/spoonerisms
+        ports:
+        - containerPort: 5000
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: spoonerisms
+  labels:
+    app: spoonerisms
+spec:
+  ports:
+    - port: 80
+      targetPort: 5000
+      protocol: TCP
+  selector:
+    app: spoonerisms

spoonerisms/index.js

@@ -0,0 +1,22 @@
+'use strict';
+const http = require('http');
+const immutable = require('immutable');
+
+const spoonerisms = immutable.List([
+  'Cradley Booper',
+  'Tame of Groans',
+  'Jeef Berky',
+  'Rot Poast',
+  'Dive Follar Lootfong, from WubSay!',
+  'Bustin Jieber',
+  'Jilly Boel',
+  'Boot rear',
+])
+
+http.createServer(function (req, res) {
+    res.writeHead(200, {'Content-Type': 'text/plain'});
+    let item = spoonerisms.get(Math.floor(Math.random()*spoonerisms.size))
+    res.end(item);
+}).listen(5000, "0.0.0.0");
+
+console.log('Server running at http://127.0.0.1:5000/');

spoonerisms/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "spoonerisms",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "immutable": "^3.8.2"
+  }
+}

spoonerisms/yarn.lock

@@ -0,0 +1,7 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+immutable@^3.8.2:
+  version "3.8.2"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-3.8.2.tgz#c2439951455bb39913daf281376f1530e104adf3"