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handle Spawners that are slow to stop

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e.g. docker, which can take a long time to stop,
especially if several docker actions are already queued.

Use status `202: Accepted` for API replies sent with spawn/stop still pending
This commit is contained in:
Min RK
2015-01-28 11:35:38 -08:00
parent dee8d4af00
commit 09d9efb44c
5 changed files with 103 additions and 15 deletions
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21
jupyterhub/orm.py
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@@ -251,6 +251,7 @@ class User(Base):
state = Column(JSONDict)
spawner = None
spawn_pending = False
stop_pending = False
def __repr__(self):
if self.server:
@@ -362,14 +363,18 @@ class User(Base):
if self.spawner is None:
return
self.spawner.stop_polling()
status = yield self.spawner.poll()
if status is None:
yield self.spawner.stop()
self.spawner.clear_state()
self.state = self.spawner.get_state()
self.last_activity = datetime.utcnow()
self.server = None
inspect(self).session.commit()
self.stop_pending = True
try:
status = yield self.spawner.poll()
if status is None:
yield self.spawner.stop()
self.spawner.clear_state()
self.state = self.spawner.get_state()
self.last_activity = datetime.utcnow()
self.server = None
inspect(self).session.commit()
finally:
self.stop_pending = False
class APIToken(Base):