feat(core): notebook_session provider

renku/core/errors.py

@@ -595,3 +595,23 @@ class DockerError(RenkuException):
     def __init__(self, reason: str):
         """Embed exception and build a custom message."""
         super().__init__(f"Docker failed: {reason}")
+
+
+class NotebookServiceSessionError(RenkuException):
+    """Raised when an error occurs trying to start sessions with the notebook service."""
+
+
+class RemoteCommitDoesNotExistError(RenkuException):
+    """Raised when a commit does not exist on a specific remote."""
+
+
+class NoUntrackedFilesAllowedError(RenkuException):
+    """Raised when untracked changes are present but should not be."""
+
+
+class NotebookSessionNotReadyError(RenkuException):
+    """Raised when a user attempts to open a session that is not ready."""
+
+
+class NotebookSessionImageNotExistError(RenkuException):
+    """Raised when a user attempts to start a session with an image that does not exist."""

renku/core/plugin/implementations/__init__.py

@@ -20,6 +20,7 @@
 from typing import TYPE_CHECKING, List, Type
 
 from renku.core.session.docker import DockerSessionProvider
+from renku.core.session.notebook_service import NotebookServiceSessionProvider
 from renku.core.workflow.converters.cwl import CWLExporter
 from renku.core.workflow.providers.cwltool import CWLToolProvider
 
@@ -30,7 +31,7 @@
 
 __all__: List[str] = []
 
-session_providers: "List[Type[ISessionProvider]]" = [DockerSessionProvider]
+session_providers: "List[Type[ISessionProvider]]" = [DockerSessionProvider, NotebookServiceSessionProvider]
 workflow_exporters: "List[Type[IWorkflowConverter]]" = [CWLExporter]
 workflow_providers: "List[Type[IWorkflowProvider]]" = [CWLToolProvider]