def start_interactive_session(self, interactive_session_type, **kwargs):
"""Start an interactive workflow run.
:param interactive_session_type: One of the available interactive
session types.
:return: Relative path to access the interactive session.
"""
action_completed = True
try:
if (interactive_session_type not in INTERACTIVE_SESSION_TYPES):
raise REANAInteractiveSessionError(
"Interactive type {} does not exist.".format(
interactive_session_type))
access_path = self._generate_interactive_workflow_path()
self.workflow.interactive_session_type = interactive_session_type
self.workflow.interactive_session = access_path
workflow_run_name = \
self._workflow_run_name_generator(
'interactive', type=interactive_session_type)
self.workflow.interactive_session_name = workflow_run_name
kubernetes_objects = \
build_interactive_k8s_objects[interactive_session_type](
workflow_run_name, self.workflow.workspace_path,
access_path,
access_token=self.workflow.get_owner_access_token(),
cvmfs_repos=self.retrieve_required_cvmfs_repos(),
**kwargs)
instantiate_chained_k8s_objects(
kubernetes_objects,
KubernetesWorkflowRunManager.default_namespace)
return access_path
except KeyError:
action_completed = False
raise REANAInteractiveSessionError(
"Unsupported interactive session type {}.".format(
interactive_session_type))
except ApiException as api_exception:
action_completed = False
raise REANAInteractiveSessionError(
"Connection to Kubernetes has failed:\n{}".format(
api_exception))
except Exception as e:
action_completed = False
raise REANAInteractiveSessionError(
"Unkown error while starting interactive workflow run:\n{}".
format(e))
finally:
if not action_completed:
self.workflow.interactive_session = None
if kubernetes_objects:
delete_k8s_objects_if_exist(
kubernetes_objects,
KubernetesWorkflowRunManager.default_namespace)
current_db_sessions = Session.object_session(self.workflow)
current_db_sessions.add(self.workflow)
current_db_sessions.commit()
def start_interactive_session(self, interactive_session_type, **kwargs):
"""Start an interactive workflow run.
:param interactive_session_type: One of the available interactive
session types.
:return: Relative path to access the interactive session.
"""
action_completed = True
try:
if interactive_session_type not in InteractiveSessionType.__members__:
raise REANAInteractiveSessionError(
"Interactive type {} does not exist.".format(
interactive_session_type))
access_path = self._generate_interactive_workflow_path()
workflow_run_name = self._workflow_run_name_generator("session")
kubernetes_objects = build_interactive_k8s_objects[
interactive_session_type](
workflow_run_name,
self.workflow.workspace_path,
access_path,
access_token=self.workflow.get_owner_access_token(),
cvmfs_repos=self.retrieve_required_cvmfs_repos(),
**kwargs,
)
instantiate_chained_k8s_objects(
kubernetes_objects, REANA_RUNTIME_KUBERNETES_NAMESPACE)
# Save interactive session to the database
int_session = InteractiveSession(
name=workflow_run_name,
path=access_path,
type_=interactive_session_type,
owner_id=self.workflow.owner_id,
)
self.workflow.sessions.append(int_session)
current_db_sessions = Session.object_session(self.workflow)
current_db_sessions.add(self.workflow)
current_db_sessions.commit()
return access_path
except KeyError:
action_completed = False
raise REANAInteractiveSessionError(
"Unsupported interactive session type {}.".format(
interactive_session_type))
except ApiException as api_exception:
action_completed = False
raise REANAInteractiveSessionError(
"Connection to Kubernetes has failed:\n{}".format(
api_exception))
except Exception as e:
action_completed = False
raise REANAInteractiveSessionError(
"Unkown error while starting interactive workflow run:\n{}".
format(e))
finally:
if not action_completed and kubernetes_objects:
delete_k8s_objects_if_exist(
kubernetes_objects, REANA_RUNTIME_KUBERNETES_NAMESPACE)