Jamie: I was able to reproduce the issue again. I'm thinking the problem
might be related to Ansible, but not 100% sure.
The output of ps auxww|grep ufw is:
root 247851 0.0 0.0 2608 604 pts/1 S+ 10:53 0:00 /bin/sh -c
ufw enable ufw allow 22 ufw allow 80 ufw allow 443
root 247852 0.0 0.3 15908 12860 pts/1 S+ 10:53 0:00
/usr/bin/python3 /usr/sbin/ufw enable
admin 247915 0.0 0.0 8160 736 pts/0 S+ 11:01 0:00 grep
--color=auto ufw
The Ansible task is:
- name: Configure UFW
shell: |
ufw enable
ufw allow 22
ufw allow 80
ufw allow 443
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Touch seeded packages, which is subscribed to ufw in Ubuntu.
https://bugs.launchpad.net/bugs/1921350
Title:
UFW hangs indefinitely on any action
Status in ufw package in Ubuntu:
Incomplete
Bug description:
When installing a new cloudserver (on Amazon EC2, if it makes a
difference), UFW completely hangs on any command, for example ufw
status. Interrupting it with Ctrl+C yields this backtrace:
Traceback (most recent call last):
File "/usr/sbin/ufw", line 130, in <module>
lock = create_lock(lockfile=lockfile, dryrun=pr.dryrun)
File "/usr/lib/python3/dist-packages/ufw/util.py", line 1112, in create_lock
fcntl.lockf(lock, fcntl.LOCK_EX)
KeyboardInterrupt
The line numbers are always the same.
The platform is Ubuntu Server 20.04 (Ubuntu 20.04.2 LTS), from the
Amazon image. I have not seen this bug on other servers. UFW is
version 0.36.
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https://bugs.launchpad.net/ubuntu/+source/ufw/+bug/1921350/+subscriptions
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