{* ../../docs_src/background_tasks/tutorial002.py hl[13,15,22,25] *}

Dans cet exemple, les messages seront écrits dans le fichier `log.txt` après que la réponse soit envoyée.

S'il y avait une `query` (paramètre nommé `q`) dans la requête, alors elle sera écrite dans `log.txt` via une tâche d'arrière-plan.

### Ambient Integration Tests

- **Location**: `tests/integration/ambient`
- **Purpose**: Tests related to the Ambient mode, including components like `ztunnel`.
- **Focus**:
  1. Configuration and communication of Ambient components.
  1. Interaction between `ztunnel` and Ambient components.
  1. Validation of zero-trust security policies.
  1. Testing of ambient traffic management.

	}
	tests := []struct {
		name string
		args args
		want bool
	}{
		{
			name: "ambient mode enabled for namespace",
			args: args{
				namespace: namespaceWithAmbientEnabledLabel,
				pod:       unlabelledPod,
			},
			want: true,
		},
		{
			name: "ambient mode enabled for pod",
			args: args{
				namespace: unlabelledNamespace,
				pod:       podWithAmbientEnabledLabel,

Juste avant de décider de développer **FastAPI**, j'ai trouvé le serveur **APIStar**. Il contenait presque tout ce
que je recherchais et avait un beau design.

C'était l'une des premières implémentations d'un framework utilisant les type hints Python pour déclarer les paramètres

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package ambient

import (
	"context"
	"strings"

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

	"istio.io/api/annotation"
	"istio.io/api/label"
	"istio.io/istio/pkg/config/constants"

	nss := []runtime.Object{
		createNamespace("default", nil),
		createNamespace("kube-system", nil),
		createNamespace("istio-system", nil),
		createNamespace("ambient", map[string]string{
			label.IoIstioDataplaneMode.Name: constants.DataplaneModeAmbient,
		}),
		createNamespace("no-ambient", map[string]string{
			label.IoIstioDataplaneMode.Name: constants.DataplaneModeAmbient,
			"istio-injection":               "enabled",
		}),
	}

			// If they don't, the user will be warned and be presented with the command to label their namespace as ambient if they
			// choose to do so.
			//
			// NOTE: This is a warning and not an error because the user may not intend to label their namespace as ambient.
			//
			// e.g. Users are handling ambient redirection per workload rather than at the namespace level.

		s.queue.Add(o)
	}))

	return s
}

// GetPodIfAmbient looks up a pod. It returns:
// * An error if the pod cannot be found
// * nil if the pod is found, but does not have ambient enabled
// * the pod, if it is found and ambient is enabled
func (s *InformerHandlers) GetPodIfAmbient(podName, podNamespace string) (*corev1.Pod, error) {
	ns := s.namespaces.Get(podNamespace, "")
	if ns == nil {

		// Neither namespace nor pod has ambient mode enabled
		return false
	}
	if podHasSidecar(pod) {
		// Ztunnel and sidecar for a single pod is currently not supported; opt out.
		return false
	}
	if pod.GetLabels()[label.IoIstioDataplaneMode.Name] == constants.DataplaneModeNone {
		// Pod explicitly asked to not have ambient redirection enabled
		return false
	}
	if pod.Spec.HostNetwork {

}

func (s *Server) Start() {
	log.Info("CNI ambient server starting")
	s.kubeClient.RunAndWait(s.ctx.Done())
	log.Info("CNI ambient server kubeclient started")
	pods := s.handlers.GetActiveAmbientPodSnapshot()
	err := s.dataplane.ConstructInitialSnapshot(pods)
	if err != nil {
		log.Warnf("failed to construct initial snapshot: %v", err)
	}

	log.Info("CNI ambient server marking ready")
	s.Ready()