added poseidon with aws to k8s changes

internal/environment/k8s_manager.go

@@ -0,0 +1,71 @@
+package environment
+
+import (
+	"context"
+	"fmt"
+	"github.com/openHPI/poseidon/internal/config"
+	"github.com/openHPI/poseidon/internal/runner"
+	"github.com/openHPI/poseidon/pkg/dto"
+	"k8s.io/client-go/kubernetes"
+)
+
+// KubernetesEnvironmentManager manages Kubernetes environments.
+type KubernetesEnvironmentManager struct {
+	*AbstractManager
+	clientSet *kubernetes.Clientset
+}
+
+func NewKubernetesEnvironmentManager(runnerManager runner.Manager, clientset *kubernetes.Clientset) *KubernetesEnvironmentManager {
+	return &KubernetesEnvironmentManager{
+		AbstractManager: &AbstractManager{nil, runnerManager},
+		clientSet:       clientset,
+	}
+}
+
+func (k *KubernetesEnvironmentManager) List(fetch bool) ([]runner.ExecutionEnvironment, error) {
+	list, err := k.NextHandler().List(fetch)
+	if err != nil {
+		return nil, fmt.Errorf("kubernetes wrapped: %w", err)
+	}
+	return append(list, k.runnerManager.ListEnvironments()...), nil
+}
+
+func (k *KubernetesEnvironmentManager) Get(id dto.EnvironmentID, fetch bool) (runner.ExecutionEnvironment, error) {
+	e, ok := k.runnerManager.GetEnvironment(id)
+	if ok {
+		return e, nil
+	} else {
+		e, err := k.NextHandler().Get(id, fetch)
+		if err != nil {
+			return nil, fmt.Errorf("kubernetes wrapped: %w", err)
+		}
+		return e, nil
+	}
+}
+
+func (k *KubernetesEnvironmentManager) CreateOrUpdate(
+	id dto.EnvironmentID, request dto.ExecutionEnvironmentRequest, ctx context.Context) (bool, error) {
+	if !isKubernetesEnvironment(request) {
+		isCreated, err := k.NextHandler().CreateOrUpdate(id, request, ctx)
+		if err != nil {
+			return false, fmt.Errorf("kubernetes wrapped: %w", err)
+		}
+		return isCreated, nil
+	}
+
+	_, ok := k.runnerManager.GetEnvironment(id)
+	e := NewKubernetesEnvironment(k.runnerManager.Return, k.clientSet)
+	e.SetID(id)
+	e.SetImage(request.Image)
+	k.runnerManager.StoreEnvironment(e)
+	return !ok, nil
+}
+
+func isKubernetesEnvironment(request dto.ExecutionEnvironmentRequest) bool {
+	for _, image := range config.Config.Kubernetes.Images {
+		if request.Image == image {
+			return true
+		}
+	}
+	return false
+}