Testing in Impish without extra network interfaces:
# works
$ sudo apt install avahi-utils squid-deb-proxy-client
$ avahi-browse -kprtf _apt_proxy._tcp
+;enp1s0;IPv4;apt-cacher-ng\032proxy\032on\032Keschdeichel;_apt_proxy._tcp;local
=;enp1s0;IPv4;apt-cacher-ng\032proxy\032on\032Keschdeichel;_apt_proxy._tcp;local;Keschdeichel.local;192.168.122.1;3142;
$ /usr/share/squid-deb-proxy-client/apt-avahi-discover
http://192.168.122.1:3142/
# break it in the host by disabling cacher
$ systemctl stop apt-cacher-ng.service
# ensure it is gone
$ curl 192.168.122.1:3142
# check the output now
# redirect stderr to show it is not gone
$ /usr/share/squid-deb-proxy-client/apt-avahi-discover 2>/dev/null
error: uncaptured python exception, closing channel <AptAvahiClient>
('192.168.122.1', 3142): 9223372036854775807 (<class
'ConnectionRefusedError'>:[Errno 111] Connection refused
[/usr/lib/python3.9/asyncore.py|read|83]
[/usr/lib/python3.9/asyncore.py|handle_read_event|417]
[/usr/lib/python3.9/asyncore.py|handle_connect_event|425])
Upgrade:
ubuntu@i-deb-proxy2:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
accountsservice language-selector-common libaccountsservice0 net-tools
Use 'sudo apt autoremove' to remove them.
The following packages have been kept back:
libgirepository-1.0-1 libglib2.0-0 libglib2.0-bin libp11-kit0 libpython3.9
libpython3.9-minimal libpython3.9-stdlib python3-cffi-backend python3-gi
python3.9
python3.9-minimal
The following packages will be upgraded:
squid-deb-proxy-client
1 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.
Need to get 9124 B of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1
http://ppa.launchpad.net/mirespace/impish-squid-deb-proxy-lp1505670-apt-avahi-discover/ubuntu
impish/main amd64 squid-deb-proxy-client all
0.8.15+nmu1ubuntu1.1~ppa-mirespace [9124 B]
Fetched 9124 B in 1s (7007 B/s)
(Reading database ... 95211 files and directories currently installed.)
Preparing to unpack
.../squid-deb-proxy-client_0.8.15+nmu1ubuntu1.1~ppa-mirespace_all.deb ...
Unpacking squid-deb-proxy-client (0.8.15+nmu1ubuntu1.1~ppa-mirespace) over
(0.8.15+nmu1) ...
Setting up squid-deb-proxy-client (0.8.15+nmu1ubuntu1.1~ppa-mirespace) ...
Scanning processes...
Scanning candidates...
Scanning linux images...
Restarting services...
Service restarts being deferred:
/etc/needrestart/restart.d/dbus.service
systemctl restart getty@tty1.service
systemctl restart networkd-dispatcher.service
systemctl restart systemd-logind.service
systemctl restart unattended-upgrades.service
No containers need to be restarted.
User sessions running outdated binaries:
ubuntu @ session #1: sshd[1208,1305]
ubuntu @ user manager service: systemd[1211]
# now no output bleeding through
$ /usr/share/squid-deb-proxy-client/apt-avahi-discover 2>/dev/null
# actually since there is no proxy left there is juts nothing now in this setup
/usr/share/squid-deb-proxy-client/apt-avahi-discover
# But as soon as the cacher is back up it works:
$ /usr/share/squid-deb-proxy-client/apt-avahi-discover
http://192.168.122.1:3142/
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1505670
Title:
python exceptions bleeding into stdout
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/squid-deb-proxy/+bug/1505670/+subscriptions
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