feat: add option to remove iframe from sessions

components/renku_data_services/crc/db.py

@@ -559,6 +559,8 @@ async def update_resource_pool(
                 rp.hibernation_warning_period = update.hibernation_warning_period
             if update.platform is not None:
                 rp.platform = update.platform
+            if update.skip_session_iframe is not None:
+                rp.skip_session_iframe = update.skip_session_iframe
 
             match (update.cluster_id, rp.cluster_id):
                 case ResetType.Reset, x if x is not None:

components/renku_data_services/crc/models.py

@@ -328,6 +328,7 @@ class UnsavedResourcePool:
     remote: RemoteConfigurationFirecrest | RemoteConfigurationRunai | None = None
     cluster_id: ClusterId | None = None
     platform: RuntimePlatform
+    skip_session_iframe: bool = False
 
 
 @dataclass(frozen=True, eq=True, kw_only=True)
@@ -347,6 +348,7 @@ class ResourcePool:
     cluster: SavedClusterSettings | None = None
     platform: RuntimePlatform
     credits_used: int | None = None
+    skip_session_iframe: bool = False
 
     def get_resource_class(self, resource_class_id: int) -> ResourceClass | None:
         """Find a specific resource class in the resource pool by the resource class id."""
@@ -384,6 +386,7 @@ class ResourcePoolPatch:
     remote: RemoteConfigurationPatch | None = None
     cluster_id: ClusterId | ResetType | None = None
     platform: RuntimePlatform | None = None
+    skip_session_iframe: bool | None = None
 
 
 class RemoteConfigurationKind(StrEnum):

components/renku_data_services/crc/orm.py

@@ -17,6 +17,9 @@
     Table,
     literal,
 )
+from sqlalchemy import (
+    false as sql_false,
+)
 from sqlalchemy.dialects.postgresql import JSONB
 from sqlalchemy.orm import DeclarativeBase, Mapped, MappedAsDataclass, mapped_column, relationship
 from sqlalchemy.schema import ForeignKey
@@ -294,6 +297,9 @@ class ResourcePoolORM(BaseORM):
         Enum(models.RuntimePlatform, name="build_platform"), default=None, server_default=literal("linux_amd64")
     )
 
+    skip_session_iframe: Mapped[bool] = mapped_column(default=False, server_default=sql_false())
+    """If set to true it will cause the UI to not open the session in an iframe."""
+
     @classmethod
     def from_unsaved_model(
         cls,
@@ -325,6 +331,7 @@ def from_unsaved_model(
             remote_json=remote_json,
             cluster_id=cluster.id if cluster else None,
             platform=new_resource_pool.platform,
+            skip_session_iframe=new_resource_pool.skip_session_iframe,
         )
 
     def dump(
@@ -362,6 +369,7 @@ def dump(
             cluster=cluster,
             platform=self.platform,
             credits_used=credits_used.value if credits_used else None,
+            skip_session_iframe=self.skip_session_iframe,
         )
 
     def _dump_remote(self) -> models.RemoteConfigurationFirecrest | models.RemoteConfigurationRunai | None:

components/renku_data_services/notebooks/api.spec.yaml

@@ -268,6 +268,10 @@ components:
           $ref: "#/components/schemas/Ulid"
         resource_class_id:
           type: integer
+        skip_iframe:
+          type: boolean
+          default: false
+          description: If set to true the UI will not open the session in an iframe once it is ready
       required:
         - image
         - name

components/renku_data_services/notebooks/apispec.py

@@ -1,6 +1,6 @@
 # generated by datamodel-codegen:
 #   filename:  api.spec.yaml
-#   timestamp: 2026-05-05T12:21:39+00:00
+#   timestamp: 2026-05-20T15:08:05+00:00
 
 from __future__ import annotations
 
@@ -192,6 +192,10 @@ class SessionResponse(BaseAPISpec):
         pattern="^[0-7][0-9A-HJKMNP-TV-Z]{25}$",
     )
     resource_class_id: int
+    skip_iframe: bool = Field(
+        False,
+        description="If set to true the UI will not open the session in an iframe once it is ready",
+    )
 
 
 class SessionListResponse(RootModel[List[SessionResponse]]):

components/renku_data_services/notebooks/constants.py

@@ -6,3 +6,5 @@
 
 AMALTHEA_SESSION_GVK: Final[GVK] = GVK(group="amalthea.dev", version="v1alpha1", kind="AmaltheaSession")
 JUPYTER_SESSION_GVK: Final[GVK] = GVK(group="amalthea.dev", version="v1alpha1", kind="JupyterServer")
+
+SKIP_SESSION_IFRAME_ANNOTATION = Final[str] = "renku.io/skip_session_iframe"

components/renku_data_services/notebooks/core_sessions.py

@@ -14,6 +14,7 @@
 
 import httpx
 from kubernetes.client import V1ObjectMeta, V1Secret
+from renku_data_services.notebooks.constants import SKIP_SESSION_IFRAME_ANNOTATION
 from sanic import Request
 from toml import dumps
 from ulid import ULID
@@ -962,6 +963,7 @@ async def start_session(
         "renku.io/launcher_id": str(launcher_id),
         "renku.io/resource_class_id": str(resource_class.id),
         "renku.io/resource_pool_id": str(resource_pool.id),
+        SKIP_SESSION_IFRAME_ANNOTATION: str(resource_pool.skip_session_iframe),
     }
 
     # Authentication
@@ -1240,6 +1242,7 @@ async def patch_session(
             annotations.update(session.spec.template.metadata.annotations)
         annotations["renku.io/resource_class_id"] = str(rc.id)
         annotations["renku.io/resource_pool_id"] = str(rp.id)
+        annotations[SKIP_SESSION_IFRAME_ANNOTATION] = rp.skip_session_iframe
         patch.spec.template = TemplatePatch(metadata=TemplateMetadataPatch(annotations=annotations))
         if not patch.spec.session:
             patch.spec.session = AmaltheaSessionV1Alpha1SpecSessionPatch()

components/renku_data_services/notebooks/crs.py

@@ -17,7 +17,11 @@
 from renku_data_services.base_models.core import RESET, ResetType
 from renku_data_services.errors import errors
 from renku_data_services.notebooks import apispec
-from renku_data_services.notebooks.constants import AMALTHEA_SESSION_GVK, JUPYTER_SESSION_GVK
+from renku_data_services.notebooks.constants import (
+    AMALTHEA_SESSION_GVK,
+    JUPYTER_SESSION_GVK,
+    SKIP_SESSION_IFRAME_ANNOTATION,
+)
 from renku_data_services.notebooks.cr_amalthea_session import Affinity as _Affinity
 from renku_data_services.notebooks.cr_amalthea_session import (
     Authentication,
@@ -364,6 +368,7 @@ def as_apispec(self) -> apispec.SessionResponse:
             project_id=str(self.project_id),
             launcher_id=str(self.launcher_id),
             resource_class_id=self.resource_class_id(),
+            skip_iframe=self.metadata.annotations.get(SKIP_SESSION_IFRAME_ANNOTATION, False),
         )
 
     def base_url(self) -> str | None: