fix: Support vCluster in post merge in GAIE test (#7743)

Signed-off-by: Anna Tchernych <atchernych@nvidia.com>

.github/workflows/post-merge-ci.yml

@@ -389,12 +389,48 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955  # v4.3.0
+      - name: Check if vCluster exists
+        id: vcluster-check
+        uses: ./.github/actions/check-vcluster-exists
+        with:
+          kubeconfig_base64: ${{ secrets.AZURE_AKS_CI_KUBECONFIG_B64 }}
+          vcluster_name: ${{ needs.deploy-operator.outputs.vcluster_name }}
+          vcluster_namespace: ${{ needs.deploy-operator.outputs.namespace }}
+      - name: Self-bootstrap vCluster (rerun)
+        if: steps.vcluster-check.outputs.exists != 'true'
+        uses: ./.github/actions/setup-dynamo-operator
+        with:
+          kubeconfig_base64: ${{ secrets.AZURE_AKS_CI_KUBECONFIG_B64 }}
+          vcluster_name: ${{ needs.deploy-operator.outputs.vcluster_name }}
+          vcluster_namespace: ${{ needs.deploy-operator.outputs.namespace }}
+          registry: ${{ secrets.AZURE_ACR_HOSTNAME }}
+          operator_tag: ${{ needs.deploy-operator.outputs.operator_tag }}
+          hf_token: ${{ secrets.HF_TOKEN }}
+          dockerhub_username: ${{ secrets.DOCKERHUB_LOGIN_USER }}
+          dockerhub_password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }}
+      - name: Connect to vCluster
+        id: connect-vcluster
+        uses: ./.github/actions/connect-vcluster
+        with:
+          host_kubeconfig_base64: ${{ secrets.AZURE_AKS_CI_KUBECONFIG_B64 }}
+          vcluster_name: ${{ needs.deploy-operator.outputs.vcluster_name }}
+          vcluster_namespace: ${{ needs.deploy-operator.outputs.namespace }}
+      - name: Install GAIE prerequisites (Gateway API, kgateway, Inference Extension CRDs)
+        shell: bash
+        env:
+          KUBECONFIG_B64: ${{ steps.connect-vcluster.outputs.kubeconfig_base64 }}
+        run: |
+          echo "${KUBECONFIG_B64}" | base64 -d > ${{ github.workspace }}/.kubeconfig_gaie
+          export KUBECONFIG=${{ github.workspace }}/.kubeconfig_gaie
+          export NAMESPACE=default
+          bash deploy/inference-gateway/scripts/install_gaie_crd_kgateway.sh
+          rm -f ${{ github.workspace }}/.kubeconfig_gaie
       - name: Run GAIE Deploy Test
         id: deploy-test
         uses: ./.github/actions/dynamo-deploy-test
         with:
-          kubeconfig_base64: ${{ secrets.AZURE_AKS_CI_KUBECONFIG_B64 }}
-          namespace: ${{ needs.deploy-operator.outputs.namespace }}
+          kubeconfig_base64: ${{ steps.connect-vcluster.outputs.kubeconfig_base64 }}
+          namespace: default
           registry: ${{ secrets.AZURE_ACR_HOSTNAME }}
           operator_tag: ${{ needs.deploy-operator.outputs.operator_tag }}
           hf_token: ${{ secrets.HF_TOKEN }}