feat: integrate training-operator with ambient mesh (#292)

* feat: integrate training-operator with ambient mesh

* terraform: update outputs.tf with new relations

Author: NohaIhab

.github/workflows/integrate.yaml

@@ -57,8 +57,9 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        tox-environments:
+        tox-environment:
           - integration
+          - integration-ambient
           - integration-with-profiles
     steps:
       - name: Maximise GH runner space
@@ -76,8 +77,16 @@ jobs:
           sudo snap install concierge --classic
           sudo concierge prepare --trace
 
+      - name: Configure Cilium for Canonical K8s
+        if: matrix.tox-environment == 'integration-ambient'
+        run: |
+          # Configure Cilium for Canonical K8s to work with Charmed Istio (Ambient mode)
+          # See https://canonical-service-mesh-documentation.readthedocs-hosted.com/en/latest/how-to/use-charmed-istio-with-canonical-kubernetes/
+          kubectl -n kube-system patch configmap cilium-config --type merge --patch '{"data":{"bpf-lb-sock-hostns-only":"true"}}'
+          kubectl -n kube-system rollout restart daemonset cilium
+  
       - name: Run integration tests
-        run: tox -e ${{ matrix.tox-environments }} -- --model testing
+        run: tox -e ${{ matrix.tox-environment }} -- --model testing
 
       - name: Capture k8s resources on failure
         run: |