async def watch_1():
asserts = [(EVENT_TYPE_CREATE, b'/foo/1', b'1'),
(EVENT_TYPE_CREATE, b'/foo/2', b'2'),
(EVENT_TYPE_MODIFY, b'/foo/1', b'2'),
(EVENT_TYPE_MODIFY, b'/foo/2', b'3'),
(EVENT_TYPE_DELETE, b'/foo/1',None),
(EVENT_TYPE_DELETE, b'/foo/2',None)]
async with self.client.watch_scope(range_prefix('/foo/')) as response:
f1.set_result(None)
async for e in response:
_check_event(e, asserts.pop(0))
if not asserts:
break
async def watch_service_event(self):
etcd_client = self.connect_etcd()
prefix = range_prefix('/eha/service/')
while True:
try:
async with etcd_client.watch_scope(prefix) as resp:
async for event in resp:
await self.handle_service_event(event)
except asyncio.CancelledError:
break
except Exception:
self.logger.warning('seems etcd not avaliable, wait 5 seconds')
await asyncio.sleep(5)
async def _run_test_with_auth(self, test):
default_client = self.client
await switch_auth_on(default_client)
root_client = client(endpoint=self.endpoints, username="******", password="******")
await root_client.role_grant_permission(name='client', key_range=range_prefix('/foo'), permission=PER_RW)
self.client = client(endpoint=self.endpoints, username="******", password="******")
try:
await test()
finally:
await switch_auth_off(
root_client,
default_client
)
await root_client.close()
await self.client.close()
self.client = default_client
async def watch_2():
asserts = [((EVENT_TYPE_CREATE, b'/foo/1', b'1'),
(EVENT_TYPE_CREATE, b'/foo/2', b'2'),),
((EVENT_TYPE_MODIFY, b'/foo/1', b'2'),),
((EVENT_TYPE_MODIFY, b'/foo/2', b'3'),),
((EVENT_TYPE_DELETE, b'/foo/1',None),
(EVENT_TYPE_DELETE, b'/foo/2',None))]
async with self.client.watch_scope(range_prefix('/foo/'), batch_events=True)\
as response:
f2.set_result(None)
async for es in response:
batch = asserts.pop(0)
self.assertEqual(len(es), len(batch))
for e, a in zip(es, batch):
_check_event(e, a)
if not asserts:
break
async def get_all_routes(self):
"""Fetch and return all the routes associated by JupyterHub from the
proxy.
**Subclasses must define this method**
Should return a dictionary of routes, where the keys are
routespecs and each value is a dict of the form::
{
'routespec': the route specification ([host]/path/)
'target': the target host URL (proto://host) for this route
'data': the attached data dict for this route (as specified in add_route)
}
"""
all_routes = {}
routes = await self.etcd_client.range(
range_prefix(self.etcd_jupyterhub_prefix))
for key, value, _ in routes:
# Strip the "/jupyterhub" prefix from the routespec
routespec = key.decode().replace(self.etcd_jupyterhub_prefix, "")
target = value.decode()
value, _ = await self.etcd_client.get(target)
if value is None:
data = None
else:
data = value.decode()
all_routes[routespec] = {
"routespec": routespec,
"target": target,
"data": data,
}
return all_routes
