this post was submitted on 06 Jun 2024
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How to report back to Squid which peer to use? (sopuli.xyz)
submitted 5 months ago by maximalian@sopuli.xyz to c/linux@programming.dev
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Let's say, I have a python script which handles ACL:

#squid.conf
# [............]

# sub-proxies/peers
cache_peer 01.01.01.99 parent 34433 0 no-query no-digest name=peer1
cache_peer 01.01.02.99 parent 34433 0 no-query no-digest name=peer2
cache_peer 01.01.03.99 parent 34433 0 no-query no-digest name=peer3
cache_peer 01.01.04.99 parent 34433 0 no-query no-digest name=peer4


external_acl_type my_acl_helper ttl=30 %LOGIN ./my_acl_helper.py
acl session_acl external my_acl_helper

# [............]

In my_acl_helper.py there's some tricky logic of selecting a peer to be used for a request.

How should my_acl_helper.py report back to Squid which peer it's choosen? In what format? As far as I've found out, it could only be OK or ERR. But the IP:port or the alias of a peer will be needed as well. How?

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[–] maximalian@sopuli.xyz 1 points 4 months ago

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