Converting Observium xinetd service to systemd

observium_xinted_to_systemd.sh

cat << EOF > /etc/systemd/system/observium_agent\@.service
[Unit]
Description=Observium Agent Service
After=network.target observium_agent.socket
Requires=observium_agent.socket

[Service]
Type=simple
User=root
# Note the - to make systemd ignore the exit code
ExecStart=-/usr/bin/observium_agent
# This is the part that makes it work like inetd
StandardOutput=socket

[Install]
WantedBy=multi-user.target
EOF

cat << EOF > /etc/systemd/system/observium_agent.socket
[Install]
WantedBy = sockets.target

[Unit]
Description=Observium Agent Socket
PartOf=observium_agent.service

[Socket]
ListenStream=36602
Accept=yes

[Install]
WantedBy=sockets.target
EOF

systemctl daemon-reload
systemctl enable observium_agent.socket
systemctl start observium_agent.socket

Tested on Rocky Linux 9.1