use shell file

.github/workflows/otel-integration-e2e-test.yml

@@ -29,20 +29,9 @@ jobs:
       - name: Get and set Kind Host Endpoint
         shell: bash
         run: |
-          docker network inspect kind
-          if [[ "$(uname)" == "Darwin" ]]; then
-              HOSTENDPOINT="host.docker.internal"
-          else
-              set +e  # Disable exit on error temporarily
-              HOSTENDPOINT=$(docker network inspect kind | grep -A 5 '"Config": \[' | grep '"Gateway":' | grep -Eo '"Gateway": "[0-9.]+"' | grep -Eo '[0-9.]+')
-              set -e  # Re-enable exit on error
-              if [[ -z "$HOSTENDPOINT" ]]; then
-                  echo "Failed to find host endpoint via docker network inspect"
-              fi
-          fi
-          # Set the HOSTENDPOINT environment variable for GitHub Actions
-          echo "HOSTENDPOINT=$HOSTENDPOINT" >> $GITHUB_ENV
-          echo "HOSTENDPOINT is set to $HOSTENDPOINT"
+          cd ./otel-integration/k8s-helm/e2e-test/testcommon
+          chmod +x ./get_host_endpoint.sh
+          ./get_host_endpoint.sh
       - name: Setup Secret
         run: kubectl create secret generic coralogix-keys --from-literal=PRIVATE_KEY=123
       - name: Install chart & telemetrygen for testing
@@ -58,7 +47,6 @@ jobs:
           -f ./values.yaml \
           -f ./e2e-test/testdata/values-e2e-test.yaml
           kubectl wait --all --for=condition=ready --timeout=300s pod -l component=agent-collector
-
       - name: Run E2E test
         env:
           HOSTENDPOINT: ${{ env.HOSTENDPOINT }}

otel-integration/k8s-helm/e2e-test/testcommon/get_host_endpoint.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+function get_host_endpoint() {
+    if [[ "$(uname)" == "Darwin" ]]; then
+        HOSTENDPOINT="host.docker.internal"
+    else
+        # Use jq to parse the JSON and extract the IPv4 Gateway
+        HOSTENDPOINT=$(docker network inspect kind \
+            | jq -r '.[0].IPAM.Config[] | select(.Gateway != null) | select(.Gateway | test("^[0-9]+\.")) | .Gateway' \
+            | head -n 1)
+
+        if [[ -z "$HOSTENDPOINT" ]]; then
+            echo "Failed to find host endpoint via docker network inspect"
+            exit 1
+        fi
+    fi
+
+    # Export HOSTENDPOINT for GitHub Actions
+    echo "HOSTENDPOINT=$HOSTENDPOINT" >> $GITHUB_ENV
+    echo "HOSTENDPOINT is set to $HOSTENDPOINT"
+}
+
+get_host_endpoint