Public bug reported:
I previously reported this bug on Github
(https://github.com/lxc/lxc/issues/1137), but am duplicating the report
here for completeness.
I've found that my python scripts stop responding to keyboard input
after running an lxc attach_wait command in python3-lxc
(2.0.4-0ubuntu2).
I wrote a small script to quickly reproduce the issue. With the script,
one can see that using Ctrl+C before running the lxc command causes a
KeyboardInterrupt, but using Ctrl+C after the lxc command finishes is no
longer caught.
#!/usr/bin/env python3
import lxc
import time
import os
CONTAINER_NAME='xenial'
CONTAINER_PATH='%s/.cache/libertine-container' % os.environ["HOME"]
def lxc_work():
container = lxc.Container(CONTAINER_NAME, CONTAINER_PATH)
container.start()
container.attach_wait(lxc.attach_run_command, ['ls'])
print("Ctrl+C will attempt to stop the script during the next ~5 seconds")
time.sleep(5)
print("Running lxc command 'ls' in container '%s', please wait..." %
CONTAINER_NAME)
lxc_work()
print("Ctrl+C should attempt to stop the script in the next ~5 seconds, but
doesn't")
time.sleep(5)
Also see:
https://gist.github.com/larryprice/f562f838ff84929c1619978a6404b8b6
** Affects: lxc (Ubuntu)
Importance: Undecided
Status: New
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Touch seeded packages, which is subscribed to lxc in Ubuntu.
https://bugs.launchpad.net/bugs/1614232
Title:
python-lxc attach_wait prevents further keyboard input
Status in lxc package in Ubuntu:
New
Bug description:
I previously reported this bug on Github
(https://github.com/lxc/lxc/issues/1137), but am duplicating the
report here for completeness.
I've found that my python scripts stop responding to keyboard input
after running an lxc attach_wait command in python3-lxc
(2.0.4-0ubuntu2).
I wrote a small script to quickly reproduce the issue. With the
script, one can see that using Ctrl+C before running the lxc command
causes a KeyboardInterrupt, but using Ctrl+C after the lxc command
finishes is no longer caught.
#!/usr/bin/env python3
import lxc
import time
import os
CONTAINER_NAME='xenial'
CONTAINER_PATH='%s/.cache/libertine-container' % os.environ["HOME"]
def lxc_work():
container = lxc.Container(CONTAINER_NAME, CONTAINER_PATH)
container.start()
container.attach_wait(lxc.attach_run_command, ['ls'])
print("Ctrl+C will attempt to stop the script during the next ~5 seconds")
time.sleep(5)
print("Running lxc command 'ls' in container '%s', please wait..." %
CONTAINER_NAME)
lxc_work()
print("Ctrl+C should attempt to stop the script in the next ~5 seconds,
but doesn't")
time.sleep(5)
Also see:
https://gist.github.com/larryprice/f562f838ff84929c1619978a6404b8b6
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