added poseidon with aws to k8s changes

internal/environment/manager.go

@@ -0,0 +1,43 @@
+package environment
+
+import (
+	"context"
+	"github.com/openHPI/poseidon/internal/runner"
+	"github.com/openHPI/poseidon/pkg/dto"
+)
+
+// ManagerHandler is one handler in the chain of responsibility of environment managers.
+// Each manager can handle different requests.
+type ManagerHandler interface {
+	Manager
+	SetNextHandler(next ManagerHandler)
+	NextHandler() ManagerHandler
+	HasNextHandler() bool
+}
+
+// Manager encapsulates API calls to the executor API for creation and deletion of execution environments.
+type Manager interface {
+	// List returns all environments known by Poseidon.
+	// When `fetch` is set the environments are fetched from the executor before returning.
+	List(fetch bool) ([]runner.ExecutionEnvironment, error)
+
+	// Get returns the details of the requested environment.
+	// When `fetch` is set the requested environment is fetched from the executor before returning.
+	Get(id dto.EnvironmentID, fetch bool) (runner.ExecutionEnvironment, error)
+
+	// CreateOrUpdate creates/updates an execution environment on the executor.
+	// If the job was created, the returned boolean is true, if it was updated, it is false.
+	// If err is not nil, that means the environment was neither created nor updated.
+	CreateOrUpdate(
+		id dto.EnvironmentID,
+		request dto.ExecutionEnvironmentRequest,
+		ctx context.Context,
+	) (bool, error)
+
+	// Delete removes the specified execution environment.
+	// Iff the specified environment could not be found Delete returns false.
+	Delete(id dto.EnvironmentID) (bool, error)
+
+	// Statistics returns statistical data for each execution environment.
+	Statistics() map[dto.EnvironmentID]*dto.StatisticalExecutionEnvironmentData
+}