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[Stephanie <districtmellow.1904@xxxxxxxxx>]

** Changed in: juju (Ubuntu)
     Assignee: Martin Packman (gz) => Stephanie (districtmellow-1904)

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https://bugs.launchpad.net/bugs/1130809

Title:
  lxc scripts break when user has PYTHONPATH set

Status in pyjuju:
  Fix Committed
Status in juju package in Ubuntu:
  Fix Released
Status in lxc package in Ubuntu:
  Invalid

Bug description:
  The various lxc scripts installed in /usr/bin are Python 3 only. If
  the user has PYTHONPATH or other similar environment variables set,
  these scripts can incorrectly inherit details from the user's Python 2
  setup when run.

  This can result in either a crash as per the initial report, or a
  traceback over syntax differences such as the following in juju:

  Traceback (most recent call last):
     File "/usr/lib/python2.7/dist-packages/juju/agents/machine.py", line 97, in watch_service_units
       yield self.unit_deployer.start_service_unit(unit_name)
     File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1069, in _inlineCallbacks
       result = result.throwExceptionIntoGenerator(g)
     File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
       return g.throw(self.type, self.value, self.tb)
     File "/usr/lib/python2.7/dist-packages/juju/unit/deploy.py", line 91, in start_service_unit
       running = yield deployment.is_running()
     File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1069, in _inlineCallbacks
       result = result.throwExceptionIntoGenerator(g)
     File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
       return g.throw(self.type, self.value, self.tb)
     File "/usr/lib/python2.7/dist-packages/juju/machine/unit.py", line 301, in is_running
       prefix=self.container.container_name)
     File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1069, in _inlineCallbacks
       result = result.throwExceptionIntoGenerator(g)
     File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
       return g.throw(self.type, self.value, self.tb)
     File "/usr/lib/python2.7/dist-packages/juju/lib/lxc/__init__.py", line 147, in get_containers
       _, output = yield deferToThread(_cmd, ["lxc-ls"])
     File "/usr/lib/python2.7/dist-packages/twisted/python/threadpool.py", line 172, in _worker
       result = context.call(ctx, function, *args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 118, in callWithContext
       return self.currentContext().callWithContext(ctx, func, *args, **kw)
     File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 81, in callWithContext
       return func(*args,**kw)
     File "/usr/lib/python2.7/dist-packages/juju/lib/lxc/__init__.py", line 48, in _cmd
       raise LXCError(stdout_data)
   LXCError: Fatal Python error: Py_Initialize: Unable to get the locale encoding
     File "/usr/lib/python2.7/encodings/__init__.py", line 123
       raise CodecRegistryError,\
                               ^
   SyntaxError: invalid syntax

  
  WORKAROUND:
  Add "-Es" to /usr/bin/lxc-ls (after /usr/bin/python3 ) so that those environment variables are ignored.

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