** Changed in: maas (Ubuntu Bionic)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1134036
Title:
Failure when using ssh with a locale that is not configured on the
server
Status in base-files package in Ubuntu:
Fix Released
Status in maas package in Ubuntu:
Invalid
Status in base-files source package in Bionic:
Fix Released
Status in maas source package in Bionic:
Invalid
Bug description:
[impact]
The setup:
1) The user has LC_ALL set to a locale on their machine (or some other LC_*
variable but it's usually LC_ALL).
2) This locale does not exist on an Ubuntu server.
3) The user sshes into the server.
ssh (at least with the settings that are default on Debian and Ubuntu
and Fedora) send the value of LC_ALL to the remote server, where the
default settings on Ubuntu allow this to be set in the environment of
the process it launches.
Because we are now in a situation where LC_ALL is set to a value that
is not valid for the system, various undesirable things happen,
including ugly messages from cloud-init and perl complaining every
time a perl process starts and the bug that the original description
below describes.
[test case]
Configure the setup as described above. Ssh into the server and run "perl <
/dev/null" and check for warnings.
[regression potential]
This adds a step to the startup of every login shell, which obviously is not
entirely trivial. However, the new executable being invoked is very simple and
even if it fails, the startup of the shell should not be inhibited.
[original description]
If LC_ALL is not set (which seems to be the default on a few server
installations I've done now), mid way through installing, you get this
backtrace and then the installation just hangs. You can ctrl-c out of it but
the package is left half configured.
Traceback (most recent call last):
File "/usr/bin/django-admin", line 5, in <module>
management.execute_from_command_line()
File "/usr/lib/python2.7/dist-packages/django/core/management/__init__.py",
line 443, in execute_from_command_line
utility.execute()
File "/usr/lib/python2.7/dist-packages/django/core/management/__init__.py",
line 382, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/lib/python2.7/dist-packages/django/core/management/base.py",
line 196, in run_from_argv
self.execute(*args, **options.__dict__)
File "/usr/lib/python2.7/dist-packages/django/core/management/base.py",
line 232, in execute
output = self.handle(*args, **options)
File "/usr/lib/python2.7/dist-packages/django/core/management/base.py",
line 371, in handle
return self.handle_noargs(**options)
File
"/usr/lib/python2.7/dist-packages/south/management/commands/syncdb.py", line
90, in handle_noargs
syncdb.Command().execute(**options)
File "/usr/lib/python2.7/dist-packages/django/core/management/base.py",
line 232, in execute
output = self.handle(*args, **options)
File "/usr/lib/python2.7/dist-packages/django/core/management/base.py",
line 371, in handle
return self.handle_noargs(**options)
File
"/usr/lib/python2.7/dist-packages/django/core/management/commands/syncdb.py",
line 57, in handle_noargs
cursor = connection.cursor()
File "/usr/lib/python2.7/dist-packages/django/db/backends/__init__.py",
line 308, in cursor
cursor = util.CursorWrapper(self._cursor(), self)
File
"/usr/lib/python2.7/dist-packages/django/db/backends/postgresql_psycopg2/base.py",
line 177, in _cursor
self.connection = Database.connect(**conn_params)
File "/usr/lib/python2.7/dist-packages/psycopg2/__init__.py", line 179, in
connect
connection_factory=connection_factory, async=async)
psycopg2.OperationalError: FATAL: password authentication failed for user
"maas"
FATAL: password authentication failed for user "maas"
Related bugs:
* bug 969462: [postgres] fails to start after install if invalid locale is
set
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