Increasing auto select family attempt timeout (#205)

Author: jirkafajfr

.github/actions/build/action.yml

@@ -1,5 +1,10 @@
 name: Builds
 description: Builds the repository and assumes the AWS IAM role for testing
+inputs:
+  aws-region: 
+    description: Region where the credentials will be assumed
+    required: false
+    default: us-east-1
 runs:
   using: composite
   steps:
@@ -24,4 +29,4 @@ runs:
       uses: aws-actions/configure-aws-credentials@v4
       with:
         role-to-assume: ${{ steps.role-to-assume.outputs.arn }}
-        aws-region: us-east-1
+        aws-region: ${{ inputs.aws-region }}

.github/workflows/tests.yml

@@ -132,3 +132,20 @@ jobs:
           secret-ids: JsonSecret
       - name: Assert Default Is No Json Secrets
         run: npm run integration-test __integration_tests__/parse_json_secrets.test.ts
+
+  af-south-1-integration-test:
+    runs-on: ubuntu-latest
+    needs: unit-tests
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build
+        uses: ./.github/actions/build
+        with:
+          aws-region: af-south-1
+      - name: Act
+        uses: ./
+        with:
+          secret-ids: JsonSecret
+      - name: Assert
+        run: npm run integration-test __integration_tests__/parse_json_secrets.test.ts

src/index.ts

@@ -1,4 +1,5 @@
-import * as core from '@actions/core'
+import * as core from '@actions/core';
+import { setDefaultAutoSelectFamilyAttemptTimeout } from 'net';
 import { SecretsManagerClient } from "@aws-sdk/client-secrets-manager";
 import {
     buildSecretsList,
@@ -13,6 +14,13 @@ import { CLEANUP_NAME } from "./constants";
 
 export async function run(): Promise<void> {
     try {
+        // Node 20 introduced automatic family selection for dual-stack endpoints. When the runner 
+        // sits far away from the secrets manager endpoint it sometimes timeouts on negotiation between
+        // A and AAAA records. This behaviour was described in the https://github.com/nodejs/node/issues/54359
+        // The default value is 250ms, increasing to 1s. The integration tests stops beeing flaky with this
+        // value.
+        setDefaultAutoSelectFamilyAttemptTimeout(1000);
+
         // Default client region is set by configure-aws-credentials
         const client : SecretsManagerClient = new SecretsManagerClient({region: process.env.AWS_DEFAULT_REGION, customUserAgent: "github-action"});
         const secretConfigInputs: string[] = [...new Set(core.getMultilineInput('secret-ids'))];