generate helm chart under the .wing directory and use content hash to…

… invalidate

README.md

@@ -46,10 +46,12 @@ See [Captain's Log](https://winglang.slack.com/archives/C047QFSUL5R/p16968681568
 - [x] EKS as a singleton
 - [ ] Add support for local Dockerfiles (currently only images from Docker Hub are supported), this
       includes publishing into an ECR.
+- [ ] Reference existing EKS repository.
 - [ ] Use a `cloud.Redis` database
 - [ ] Implement `cloud.Service` using containers.
 - [ ] Deploy multiple workloads (maybe guestbook?)
 - [ ] Publish the library
+- [x] Generate helm charts under target directory
 - [ ] Implement `start()` and `stop()` and `url()`.
 - [ ] Sidecar containers
 - [ ] Domains

test/containers.test.w

@@ -1,7 +1,7 @@
 bring "../containers.w" as containers;
 bring http;
 
-let message = "hello, wing!";
+let message = "hello, wing change!!";
 
 let hello = new containers.Workload(
   image: "paulbouwer/hello-kubernetes:1",

test/util.js

@@ -4,6 +4,8 @@ const fs = require('fs');
 const os = require('os');
 const path = require('path');
 const cdktf = require('cdktf');
+const wingsdk = require('@winglang/sdk');
+const crypto = require('crypto');
 
 exports.shell = async function (command, args, cwd) {
   return new Promise((resolve, reject) => {
@@ -24,28 +26,34 @@ exports.entrypointDir = function (scope) {
 
 exports.toHelmChart = function(chart) {
   const app = cdk8s.App.of(chart);
+  const outdir = wingsdk.core.App.of(chart).workdir;
+  console.log(outdir);
+
 
   app.resolvers = [new cdk8s.LazyResolver(), new cdk8s.ImplicitTokenResolver(), new cdk8s.NumberStringUnionResolver()];
   const docs = cdk8s.App._synthChart(chart);
   const yaml = cdk8s.Yaml.stringify(...docs);
 
-  const workdir = fs.mkdtempSync(path.join(os.tmpdir(), "helm."));
+  const hash = crypto.createHash("md5").update(yaml).digest("hex");
+  const reldir = `helm/${chart.name}-${hash}`;
+
+  const workdir = path.join(outdir, reldir);//fs.mkdtempSync(path.join(os.tmpdir(), "helm."));
   const templates = path.join(workdir, "templates");
-  fs.mkdirSync(templates, {recursive: true});
+  fs.mkdirSync(templates, { recursive: true });
   fs.writeFileSync(path.join(templates, "all.yaml"), yaml);
 
   const manifest = {
     apiVersion: "v2",
-    name: "app",
-    description: "generated by wing",
+    name: chart.name,
+    description: chart.node.path,
     type: "application",
     version: "0.1.0",
-    appVersion: "0.1.0",
+    appVersion: hash,
   };
 
   fs.writeFileSync(path.join(workdir, "Chart.yaml"), cdk8s.Yaml.stringify(manifest));
 
-  return workdir;
+  return path.join("./", ".wing", reldir);
 };
 
 exports.toEksCluster = x => x;

tf-aws/workload.w

@@ -32,6 +32,8 @@ class Workload impl api.IWorkload {
 }
 
 class _Chart extends k8s.Chart {
+  name: str;
+
   init(name: str, props: api.WorkloadProps) {
     let env = props.env ?? {};
     let envVariables = MutMap<cdk8s.EnvValue>{};
@@ -100,6 +102,8 @@ class _Chart extends k8s.Chart {
         defaultBackend: cdk8s.IngressBackend.fromService(service),
       );
     }
+
+    this.name = name;
   }
 
   pub toHelm(): str {