Synchronizer should ignore dead/terminated kernels from Notebook Service. (jupyter-server#334)

* minor logging cleanup

* minor logging cleanup

* list only healthy kernels

* Bump to 0.17.2

Author: Zsailer

data_studio_jupyter_extensions/_version.py

@@ -1 +1 @@
-__version__ = "0.17.1"  # pragma: no cover
+__version__ = "0.17.2"  # pragma: no cover

data_studio_jupyter_extensions/app.py

@@ -43,8 +43,11 @@ async def fetch_running_kernels(self) -> None:
         kernels = json_decode(response.body)
         # Hydrate kernelmanager for all remote kernels
         for item in kernels:
-            kernel = self.kernel_record_class(process_id=item["id"], alive=True)
-            self._kernel_records.update(kernel)
+            # Notebook Service returns all kernels—terminated, failed, etc.
+            # Only list kernels that are in a working state. Ignore stale or terminated kernels.
+            if item["status"] in {"starting", "ready", "running"}:
+                kernel = self.kernel_record_class(process_id=item["id"], alive=True)
+                self._kernel_records.update(kernel)
     except Exception as err:
         self.log.debug(
             f"Synchronizer failed. Skipping for now. Here is the following error: {str(err)}"

data_studio_jupyter_extensions/configurables/notebook_service.py

@@ -65,7 +65,6 @@ async def fetch_token(self):  # pragma: no cover
         audience = "notebook-service-int datastudio-int"
         mayActSub = "2320309053"
         url = "https://iam.corp.apple.com/oauth2/token"
-
         data = dict(
             scope=scope,
             audience=audience,

pyproject.toml

@@ -23,7 +23,7 @@ testpaths = [
 ]
 
 [tool.tbump.version]
-current = "0.17.1"
+current = "0.17.2"
 regex = '''
   (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)
   ((?P<channel>a|b|rc|.dev)(?P<release>\d+))?

src/status.tsx

@@ -31,7 +31,7 @@ import { ISessionContext, ReactWidget } from '@jupyterlab/apputils';
 import { TelemetryListener } from './telemetrylistener';
 
 // This is managed by tbump config in pyproject.toml
-const VERSION = '0.17.1';
+const VERSION = '0.17.2';
 
 // Define the error states
 // https://github.pie.apple.com/pie-data-studio/notebook-service/blob/761d63604966db5918d2e491c0f89cce454b7f67/app/com/apple/datastudio/model/ResourceState.scala#L20

version

@@ -1 +1 @@
-0.17.1
+0.17.2