I believe this is not a RFE/Wishlist, but rather a deb packaging issue,
the package python3-octavia already ships the prometheus-proxy binary,
but fails to include it's systemd unit[1].
By just creating the unit everything works as expected.
-----------------------------------------------------------------------------------------------------------
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# dpkg -S
/usr/bin/prometheus-proxy
python3-octavia: /usr/bin/prometheus-proxy
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# dpkg -S
/usr/lib/systemd/system/prometheus-proxy.service
dpkg-query: no path found matching pattern
/usr/lib/systemd/system/prometheus-proxy.service
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# ls -l
/usr/lib/systemd/system/prometheus-proxy.service
ls: cannot access '/usr/lib/systemd/system/prometheus-proxy.service': No such
file or directory
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# cat >
/usr/lib/systemd/system/prometheus-proxy.service <<EOF
[Unit]
Description=OpenStack Octavia Prometheus Proxy
After=network.target syslog.service amphora-agent.service
Wants=amphora-agent.service
[Service]
ExecStart=/usr/bin/prometheus-proxy
KillMode=mixed
Restart=always
ExecStartPost=/bin/sh -c "echo \$MAINPID > /var/run/prometheus-proxy.pid"
PIDFile=/var/run/prometheus-proxy.pid
[Install]
WantedBy=multi-user.target
EOF
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# systemctl daemon-reload
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# systemctl start
prometheus-proxy
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# systemctl status
prometheus-proxy
● prometheus-proxy.service - OpenStack Octavia Prometheus Proxy
Loaded: loaded (/lib/systemd/system/prometheus-proxy.service; enabled;
vendor preset: enabled)
Active: active (running) since Wed 2024-07-03 15:48:42 UTC; 3s ago
Process: 57115 ExecStartPost=/bin/sh -c echo $MAINPID >
/var/run/prometheus-proxy.pid (code=exited, status=0/SUCCESS)
Main PID: 57114 (prometheus-prox)
Tasks: 2 (limit: 2324)
Memory: 14.8M
CGroup: /system.slice/prometheus-proxy.service
└─57114 /usr/bin/python3 /usr/bin/prometheus-proxy
Jul 03 15:48:42 amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01 systemd[1]:
Starting OpenStack Octavia Prometheus Proxy...
Jul 03 15:48:42 amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01 systemd[1]:
Started OpenStack Octavia Prometheus Proxy.
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# ip netns exec
amphora-haproxy bash
root@amphora-90334dfd-e3fa-4977-bf74-a6a9ab69ea01:~# curl -s
http://127.0.0.1:9102|tail -n 5
# HELP octavia_member_idle_connections_limit Limit on the number of available
idle connections
# TYPE octavia_member_idle_connections_limit gauge
octavia_member_idle_connections_limit{pool="de7983a9-f1fd-40e1-afe0-fd7830d462d7:734b3ed3-738d-4a79-8189-5e025d19491d",member="3a4e01ff-8e99-490c-9f12-bc7e9eaa4b65"}
0
octavia_member_idle_connections_limit{pool="de7983a9-f1fd-40e1-afe0-fd7830d462d7:734b3ed3-738d-4a79-8189-5e025d19491d",member="6fba9350-5f9a-49e1-8148-eb9dcd97001e"}
0
octavia_member_idle_connections_limit{pool="de7983a9-f1fd-40e1-afe0-fd7830d462d7:734b3ed3-738d-4a79-8189-5e025d19491d",member="240b3896-b404-4381-ba74-9b8c23e40fbc"}
0
-----------------------------------------------------------------------------------------------------------
[1]https://github.com/openstack/octavia/blob/master/elements/amphora-
agent/install.d/amphora-agent-source-install/prometheus-proxy.service
** Changed in: snap-octavia-diskimage-retrofit
Status: Triaged => Invalid
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https://bugs.launchpad.net/bugs/1982969
Title:
Missing binary package for octavia prometheus-proxy
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