I just did a test myself and the bug is still present. Simply re-install your nova-common package and there goes the SSH key permissions. As others mentioned, it is indeed this line in the postinst script:
find /var/lib/nova -type f -exec chmod 0644 "{}" + -o -type d -exec chmod 0755 "{}" + -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904580 Title: Permissions 0644 for '/var/lib/nova/.ssh/id_rsa' are too open To manage notifications about this bug go to: https://bugs.launchpad.net/charm-nova-compute/+bug/1904580/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs