[Unit]
Description=LLM Inference Metrics Exporter (llama.cpp + Ollama)
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
User={{ llama_server_exporter_user }}
Group={{ llama_server_exporter_user }}
WorkingDirectory={{ llama_server_exporter_install_dir }}
Environment="LLAMA_EXPORTER_PORT={{ llama_server_exporter_port }}"
Environment="LLAMA_EXPORTER_BIND=0.0.0.0"
Environment="LLAMA_EXPORTER_INTERVAL={{ llama_server_exporter_scrape_interval }}"
Environment="LLAMA_EXPORTER_TIMEOUT={{ llama_server_exporter_scrape_timeout }}"
{% if llama_server_exporter_targets and llama_server_exporter_targets != "" %}
Environment="LLAMA_TARGETS={{ llama_server_exporter_targets | to_json }}"
{% endif %}
Environment="PATH={{ llama_server_exporter_venv_bin }}:/usr/bin:/bin"
ExecStart={{ llama_server_exporter_venv_bin }}/python3 {{ llama_server_exporter_script_path }}
Restart=always
RestartSec=10
TimeoutStopSec=10
StandardOutput=journal
StandardError=journal
SyslogIdentifier=llama_exporter

# Security hardening
ProtectSystem=strict
ProtectHome=true
ReadWritePaths={{ llama_server_exporter_install_dir }} /var/log
NoNewPrivileges=true
PrivateTmp=true

[Install]
WantedBy=multi-user.target