Refactor Kubernetes setup for integration tests

.github/workflows/integration-test.yml

@@ -432,7 +432,9 @@ jobs:
           cluster_name: kind
       - name: Deploy service under test
         run: |
-          kubectl apply -f k8s/${{ matrix.SERVICE }}/*.yaml
+          for f in k8s/${{ matrix.SERVICE }}/*.sh; do
+            bash "$f" 
+          done
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ env.GO_VERSION }}

k8s/README.md

@@ -0,0 +1,7 @@
+This folder contains a set of scripts that execute in separate runs to create Kubernetes environments where a specific
+integration test will run to test discovery.
+
+The folder name (`envoy`, `istio`) will match the equivalent make target 
+(`make integration-test-envoy-discovery-k8s`, `make integration-test-istio-discovery-k8s`).
+
+Reference: `.github/workflows/integration-test.yaml`.

k8s/envoy/envoy.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+kubectl apply -f $SCRIPT_DIR/envoy.yaml