Fixed defect when AWS region was not set for core addon version look-up

examples/examples.ts

@@ -42,6 +42,7 @@ builder()
     .clusterProvider(new bp.MngClusterProvider({
         ...publicCluster
     }))
+    .addOns(new bp.addons.VpcCniAddOn())
     .enableControlPlaneLogTypes(bp.ControlPlaneLogType.API, bp.ControlPlaneLogType.AUDIT)
     .build(app, "mng-blueprint");
 

lib/addons/cloud-watch-insights/index.ts

@@ -10,11 +10,11 @@ import {KubernetesVersion} from "aws-cdk-lib/aws-eks";
 // aws eks describe-addon-versions --kubernetes-version <kubernetes-version> --addon-name amazon-cloudwatch-observability \
 //     --query 'addons[].addonVersions[].{Version: addonVersion, Defaultversion: compatibilities[0].defaultVersion}' --output table
 const versionMap: Map<KubernetesVersion, string> = new Map([
-  [KubernetesVersion.V1_30, "v1.7.0-eksbuild.1"],
-  [KubernetesVersion.V1_29, "v1.7.0-eksbuild.1"],
-  [KubernetesVersion.V1_28, "v1.7.0-eksbuild.1"],
-  [KubernetesVersion.V1_27, "v1.7.0-eksbuild.1"],
-  [KubernetesVersion.V1_26, "v1.7.0-eksbuild.1"],
+  [KubernetesVersion.V1_30, "v1.8.0-eksbuild.1"],
+  [KubernetesVersion.V1_29, "v1.8.0-eksbuild.1"],
+  [KubernetesVersion.V1_28, "v1.8.0-eksbuild.1"],
+  [KubernetesVersion.V1_27, "v1.8.0-eksbuild.1"],
+  [KubernetesVersion.V1_26, "v1.8.0-eksbuild.1"],
 ]);
 
 

lib/addons/core-addon/index.ts

@@ -87,7 +87,7 @@ export class CoreAddOn implements ClusterAddOn {
         let version: string = this.coreAddOnProps.version;
 
         if (this.coreAddOnProps.version === "auto") {
-            version = await this.provideVersion(clusterInfo, this.coreAddOnProps.versionMap);
+            version = await this.provideVersion(clusterInfo);
         }
 
         let addOnProps = {
@@ -176,8 +176,8 @@ export class CoreAddOn implements ClusterAddOn {
         return result;
     }
 
-    async provideVersion(clusterInfo: ClusterInfo, versionMap?: Map<KubernetesVersion, string>) : Promise<string> {
-        const client = new sdk.EKSClient(clusterInfo.cluster.stack.region);
+    async provideVersion(clusterInfo: ClusterInfo) : Promise<string> {
+        const client = new sdk.EKSClient({ region: clusterInfo.cluster.stack.region });
         const command = new sdk.DescribeAddonVersionsCommand({
             addonName: this.coreAddOnProps.addOnName,
             kubernetesVersion: clusterInfo.version.version
@@ -210,12 +210,17 @@ export class CoreAddOn implements ClusterAddOn {
             logger.warn(`Failed to retrieve add-on versions from EKS for add-on ${this.coreAddOnProps.addOnName}.`);
             logger.warn("Possible reasons for failures - Unauthorized or Authentication failure or Network failure on the terminal.");
             logger.warn(" Falling back to default version.");
-            if (!versionMap) {
-                throw new Error(`No version map provided and no default version found for add-on ${this.coreAddOnProps.addOnName}`);
-            }
-            let version: string = versionMap.get(clusterInfo.version) ?? versionMap.values().next().value;
+            let version: string = this.provideDefaultAutoVersion(clusterInfo.version);
             userLog.debug(`Core add-on ${this.coreAddOnProps.addOnName} has autoselected version ${version}`);
             return version;
         }
     }
+
+    provideDefaultAutoVersion(version: KubernetesVersion) : string {
+        const versionMap = this.coreAddOnProps.versionMap;
+        if (versionMap) {
+            return versionMap.get(version) ?? versionMap.values().next().value;
+        }
+        throw new Error(`No default version found for add-on ${this.coreAddOnProps.addOnName}`);
+    }
 }

test/cloudwatch-insights.test.ts

@@ -76,20 +76,22 @@ describe('Unit test for CloudWatch Addon', () => {
     });
   });
 
-  test("Stack is defined when using a specified version of EKS", async () => {
+  test("Stack is defined when using a specified version of EKS and \"auto\" version", async () => {
     const app = new cdk.App();
-
+
+    const addOn = new blueprints.CloudWatchInsights();
+    const version = KubernetesVersion.V1_29;
     const blueprint = await blueprints.EksBlueprint.builder()
-      .version(KubernetesVersion.V1_29)
+      .version(version)
       .account("123456789012").region('us-east-2')
-      .addOns(new blueprints.CloudWatchInsights())
+      .addOns(addOn)
       .buildAsync(app,  'cloudwatch-insights-specific-eks-version');
 
     const template = Template.fromStack(blueprint);
 
     template.hasResource("AWS::EKS::Addon", {
       Properties: {
-        "AddonVersion": Match.exact("v1.7.0-eksbuild.1")
+        "AddonVersion": Match.exact(addOn.provideDefaultAutoVersion(version))
       }
     });
   });