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always pass JUPYTERHUB_SERVICE_URL

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- default Spawner.ip is 127.0.0.1, matching earlier behavior when unspecified
- default Spawner.port is random (dynamic default instead of 0
This commit is contained in:
Min RK
2021-05-05 10:35:27 +02:00
parent 3602da550c
commit 401f583c5a
2 changed files with 19 additions and 20 deletions
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2
jupyterhub/singleuser/mixins.py
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@@ -402,7 +402,7 @@ class SingleUserNotebookAppMixin(Configurable):
return value
@default('log_level')
def _log_level_defaul(self):
def _log_level_default(self):
if _bool_env("JUPYTERHUB_DEBUG"):
return logging.DEBUG
else:

33
jupyterhub/spawner.py
View File

@@ -39,7 +39,6 @@ from .traitlets import ByteSpecification
from .traitlets import Callable
from .traitlets import Command
from .utils import exponential_backoff
from .utils import iterate_until
from .utils import maybe_future
from .utils import random_port
from .utils import url_path_join
@@ -232,11 +231,22 @@ class Spawner(LoggingConfigurable):
)
ip = Unicode(
'',
'127.0.0.1',
help="""
The IP address (or hostname) the single-user server should listen on.
Usually either '127.0.0.1' (default) or '0.0.0.0'.
The JupyterHub proxy implementation should be able to send packets to this interface.
Subclasses which launch remotely or in containers
should override the default to '0.0.0.0'.
.. versionchanged:: 2.0
Default changed to '127.0.0.1', from ''.
In most cases, this does not result in a change in behavior,
as '' was interpreted as 'unspecified',
which used the subprocesses' own default, itself usually '127.0.0.1'.
""",
).tag(config=True)
@@ -805,18 +815,11 @@ class Spawner(LoggingConfigurable):
self.server.port = self.port
env['JUPYTERHUB_SERVICE_PREFIX'] = self.server.base_url
else:
# this should only occur in mock/testing schenarios
# this should only occur in mock/testing scenarios
base_url = '/'
if self.ip or self.port:
# specify JUPYTERHUB_SERVICE_URL *if* ip or port is specified
# TODO: set this always?
# Prior to 2.0, leaving 'ip' or 'port' unset meant letting the subprocess default be used
# setting via a URL means we cannot specify explicit ip or port without specifying *both*
# this results in a changed default behavior of specifying only report
# specifying ip='' *explicitly*, which is the same as all interfaces, instead of localhost
s = 's' if self.internal_ssl else ''
bind_url = f"http{s}://{self.ip}:{self.port}{base_url}"
proto = 'https' if self.internal_ssl else 'http'
bind_url = f"{proto}://{self.ip}:{self.port}{base_url}"
env["JUPYTERHUB_SERVICE_URL"] = bind_url
# Put in limit and guarantee info if they exist.
@@ -1293,11 +1296,6 @@ class LocalProcessSpawner(Spawner):
Note: This spawner does not implement CPU / memory guarantees and limits.
"""
@default('ip')
def _default_ip(self):
"""Listen on localhost by default for local processes"""
return '127.0.0.1'
interrupt_timeout = Integer(
10,
help="""
@@ -1474,6 +1472,7 @@ class LocalProcessSpawner(Spawner):
async def start(self):
"""Start the single-user server."""
if self.port == 0:
self.port = random_port()
cmd = []
env = self.get_env()