Prometheus exporter for FreeRADIUS metrics.
Supports FreeRADIUS 3.0.x.
go install github.com/bvantagelimited/freeradius_exporter@latest
FreeRADIUS status server must be configured.
| Name | Description |
|---|---|
| radius.address | Address of FreeRADIUS status server, defaults to 127.0.0.1:18121. |
| radius.secret | FreeRADIUS client secret, defaults to adminsecret. |
| radius.timeout | Timeout, in milliseconds, defaults to 5000. |
| radius.homeservers | Addresses of home servers separated by comma, e.g. "172.28.1.2:1812:auth,172.28.1.3:1813:acct", auth/acct is optional and defaults to all |
| web.listen-address | Address to listen on for web interface and telemetry, defaults to :9812. |
| web.telemetry-path | Path under which to expose metrics, defaults to /metrics. |
| version | Display version information |
| config | Config file (optional) |
| Name | Description |
|---|---|
| RADIUS_ADDRESS | Address of FreeRADIUS status server. |
| RADIUS_SECRET | FreeRADIUS client secret. |
| RADIUS_TIMEOUT | Timeout, in milliseconds. |
| RADIUS_HOMESERVERS | Addresses of home servers separated by comma, e.g. "172.28.1.2:1812:auth,172.28.1.3:1813:acct", auth/acct is optional and defaults to all |
| Metric | Notes |
|---|---|
| freeradius_total_access_requests | Total access requests |
| freeradius_total_access_accepts | Total access accepts |
| freeradius_total_access_rejects | Total access rejects |
| freeradius_total_access_challenges | Total access challenges |
| freeradius_total_auth_responses | Total auth responses |
| freeradius_total_auth_duplicate_requests | Total auth duplicate requests |
| freeradius_total_auth_malformed_requests | Total auth malformed requests |
| freeradius_total_auth_invalid_requests | Total auth invalid requests |
| freeradius_total_auth_dropped_requests | Total auth dropped requests |
| freeradius_total_auth_unknown_types | Total auth unknown types |
| freeradius_total_proxy_access_requests | Total proxy access requests |
| freeradius_total_proxy_access_accepts | Total proxy access accepts |
| freeradius_total_proxy_access_rejects | Total proxy access rejects |
| freeradius_total_proxy_access_challenges | Total proxy access challenges |
| freeradius_total_proxy_auth_responses | Total proxy auth responses |
| freeradius_total_proxy_auth_duplicate_requests | Total proxy auth duplicate requests |
| freeradius_total_proxy_auth_malformed_requests | Total proxy auth malformed requests |
| freeradius_total_proxy_auth_invalid_requests | Total proxy auth invalid requests |
| freeradius_total_proxy_auth_dropped_requests | Total proxy auth dropped requests |
| freeradius_total_proxy_auth_unknown_types | Total proxy auth unknown types |
| freeradius_total_acct_requests | Total acct requests |
| freeradius_total_acct_responses | Total acct responses |
| freeradius_total_acct_duplicate_requests | Total acct duplicate requests |
| freeradius_total_acct_malformed_requests | Total acct malformed requests |
| freeradius_total_acct_invalid_requests | Total acct invalid requests |
| freeradius_total_acct_dropped_requests | Total acct dropped requests |
| freeradius_total_acct_unknown_types | Total acct unknown types |
| freeradius_total_proxy_acct_requests | Total proxy acct requests |
| freeradius_total_proxy_acct_responses | Total proxy acct responses |
| freeradius_total_proxy_acct_duplicate_requests | Total proxy acct duplicate requests |
| freeradius_total_proxy_acct_malformed_requests | Total proxy acct malformed requests |
| freeradius_total_proxy_acct_invalid_requests | Total proxy acct invalid requests |
| freeradius_total_proxy_acct_dropped_requests | Total proxy acct dropped requests |
| freeradius_total_proxy_acct_unknown_types | Total proxy acct unknown types |
| freeradius_queue_len_internal | Internal queue length |
| freeradius_queue_len_proxy | Proxy queue length |
| freeradius_queue_len_auth | Auth queue length |
| freeradius_queue_len_acct | Acct queue length |
| freeradius_queue_len_detail | Detail queue length |
| freeradius_last_packet_recv | Epoch timestamp when the last packet was received |
| freeradius_last_packet_sent | Epoch timestamp when the last packet was sent |
| freeradius_start_time | Epoch timestamp when the server was started |
| freeradius_hup_time | Epoch timestamp when the server hang up (If start == hup, it hasn't been hup'd yet) |
| freeradius_state | State of the server. Alive = 0; Zombie = 1; Dead = 2; Idle = 3 |
| freeradius_time_of_death | Epoch timestamp when a home server is marked as 'dead' |
| freeradius_time_of_life | Epoch timestamp when a home server is marked as 'alive' |
| freeradius_ema_window | Exponential moving average of home server response time |
| freeradius_ema_window1_usec | Window-1 is the average is calculated over 'window' packets |
| freeradius_ema_window10_usec | Window-10 is the average is calculated over '10 * window' packets |
| freeradius_outstanding_requests | Outstanding requests |
| freeradius_queue_pps_in | Queue PPS in |
| freeradius_queue_pps_out | Queue PPS out |
| freeradius_queue_use_percentage | Queue usage percentage |
| freeradius_stats_error | Stats error as label with a const value of 1 |