feat(cdk8s): retrieve eks cluster information

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
 dist/
+build/

config/README.md

@@ -17,8 +17,6 @@ ConfigMap that list the synchronization limits for parallel execution of the wor
 
 ### Karpenter
 
-
-
 ## Development
 
 <https://cdk8s.io/>
@@ -32,7 +30,8 @@ It is possible to generate a specific Helm construct for the component if their
 To generate the Helm Construct for a specific Chart, follow the instructions [here](https://github.com/cdk8s-team/cdk8s/blob/master/docs/cli/import.md#values-schema):
 
 - add the Helm to `helm`
-``` shell
+
+```shell
 
 ```
 
@@ -43,29 +42,28 @@ However, some of the component Helm charts do not have a `values.schema.json`. F
 - aws-for-fluent-bit (<https://github.com/aws/eks-charts/issues/1011>)
 - Karpenter
 
-
 ## Usage (for test)
 
 Ensure all dependencies are installed
 
-``` shell
+```shell
 npm install
 ```
 
 Login to AWS
 
 Generate the kubernetes configuration yaml into `dist/`
 
-``` shell
+```shell
 npx cdk8s synth
 ```
 
 Apply the generated yaml files
 
-``` shell
+```shell
 kubectl apply -f dist/
 ```
 
 ## Deployment
 
-The deployment of the K8s config is managed by GithubActions in [main](../.github/workflows/main.yml).
+The deployment of the K8s config is managed by GithubActions in [main](../.github/workflows/main.yml).

config/app.ts

@@ -1,13 +1,18 @@
 import { App } from 'cdk8s';
 
-import { ArgoSemaphore } from './charts/argo.semaphores';
+import { ArgoSemaphore } from './charts/argo.semaphores.js';
 
 const app = new App();
 
 async function main(): Promise<void> {
   new ArgoSemaphore(app, 'semaphore', {});
 
-  app.synth();
+  //const clusterStackName = 'EksWorkflowProd';
+  //const clusterStack = await getStackFromName(clusterStackName);
+
+  //console.log(clusterStack.RoleARN);
+
+  //app.synth();
 }
 
 main();

config/charts/argo.semaphores.ts

@@ -2,7 +2,7 @@ import { Chart, ChartProps } from 'cdk8s';
 import * as kplus from 'cdk8s-plus-27';
 import { Construct } from 'constructs';
 
-import { applyDefaultLabels } from '../util/labels';
+import { applyDefaultLabels } from '../util/labels.js';
 
 export class ArgoSemaphore extends Chart {
   constructor(scope: Construct, id: string, props: ChartProps) {

config/charts/karpenter.ts

@@ -1,13 +1,16 @@
+import { CloudFormation } from '@aws-sdk/client-cloudformation';
 import { Chart, ChartProps, Helm } from 'cdk8s';
 import { Construct } from 'constructs';
 
 import { applyDefaultLabels } from '../util/labels.js';
 
 export class Karpenter extends Chart {
-  constructor(scope: Construct, id: string, props: ChartProps) {
+  constructor(scope: Construct, id: string, props: { roleArn: string } & ChartProps) {
     // TODO: What is the component name? 'karpenter' or 'autoscaling'?
     super(scope, id, applyDefaultLabels(props, 'karpenter', '', 'karpenter', 'workflows'));
 
+    // Get EKS cluster information
+
     new Helm(this, 'karpenter', {
       chart: 'karpenter',
       repo: 'oci://public.ecr.aws/karpenter/karpenter',
@@ -31,3 +34,19 @@ export class Karpenter extends Chart {
     });
   }
 }
+
+export async function getStackFromName(stackName: string): Promise<void> {
+  const cfn = new CloudFormation();
+  const clusterStack = await cfn.describeStacks({ StackName: stackName });
+  if (clusterStack.Stacks) {
+    console.log(clusterStack.Stacks[0]);
+  }
+}
+
+// TODO: remove tests
+async function main(): Promise<void> {
+  const clusterStackName = 'EksWorkflowProd';
+  await getStackFromName(clusterStackName);
+}
+
+main();

config/util/cloud.formation.ts

@@ -0,0 +1,17 @@
+import { CloudFormation } from '@aws-sdk/client-cloudformation';
+
+export async function getStackFromName(stackName: string): Promise<void> {
+  const cfn = new CloudFormation();
+  const clusterStack = await cfn.describeStacks({ StackName: stackName });
+  if (clusterStack.Stacks) {
+    console.log(clusterStack.Stacks[0]);
+  }
+}
+
+// TODO: remove tests
+async function main(): Promise<void> {
+  const clusterStackName = 'EksWorkflowProd';
+  await getStackFromName(clusterStackName);
+}
+
+main();

config/util/eks.cluster.ts

@@ -0,0 +1,17 @@
+import { EKS } from '@aws-sdk/client-eks';
+
+export async function getClusterFromName(clusterName: string): Promise<void> {
+  const eks = new EKS();
+  const eksCluster = await eks.describeCluster({ name: clusterName });
+  if (eksCluster.cluster) {
+    console.log(eksCluster.cluster);
+  }
+}
+
+// TODO: remove tests
+async function main(): Promise<void> {
+  const eksClusterName = 'Workflow';
+  await getClusterFromName(eksClusterName);
+}
+
+main();

config/util/labels.ts

@@ -1,4 +1,4 @@
-import { getGitBuildInfo } from './build';
+import { getGitBuildInfo } from './build.js';
 
 /**
  * Generate a collection of standard labels for all components