/
airos_exporter.py
executable file
·248 lines (206 loc) · 12.5 KB
/
airos_exporter.py
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#!/usr/bin/env python3
import os, signal, sys, time
from typing import Callable, Dict, List
from datetime import datetime, timezone
from urllib.parse import parse_qs
import paramiko
from airos_tools import AirOS
from prometheus_client import Counter, Gauge, generate_latest, CollectorRegistry
import bjoern
# mime="application/openmetrics-text"
mime="text/plain"
def common_log(environ: Dict, status, size):
print(f'PID {os.getpid()}::', environ.get('REMOTE_ADDR', 'Unknown'), '-', '-',
datetime.now().astimezone(timezone.utc).strftime('%d/%b/%Y:%H:%M:%S %z'),
f"\"{environ['REQUEST_METHOD']} "
f"{environ.get('PATH_INFO', '') + ('?{}'.format(environ['QUERY_STRING']) if environ.get('QUERY_STRING') else '')} "
f"{environ['SERVER_PROTOCOL']}\"",
status,
size
)
def airos_connect(hostname: str, password: str) -> AirOS:
for _ in range(9):
try:
airos = AirOS(hostname=hostname, password=password)
except paramiko.ssh_exception.AuthenticationException as e:
raise e
except paramiko.ssh_exception.SSHException as e:
print(type(e).__name__)
time.sleep(2)
else:
return airos
return AirOS(hostname=hostname, password=password)
def application(environ: Dict, start_response: Callable):
path = environ['PATH_INFO']
q = parse_qs(environ.get('QUERY_STRING'))
target=q.get('target', [None])[0]
if path != '/metrics' and path != '/metrics/':
status = "404 Not Found"
body = b''
size = 0
common_log(environ, '404', size)
elif not target:
status = "500 Internal Server Error"
body = b'No target parameter'
size = str(len(body))
common_log(environ, '500', size)
else:
r = CollectorRegistry()
rr: List[CollectorRegistry] = [r]
try:
with airos_connect(hostname=target, password=UBNT_PASSWORD) as airos:
labels = {
"device_id": airos.mcastatus.get('deviceId'),
"device_name": airos.mcastatus.get('deviceName'),
"ap_mac": airos.mcastatus.get('apMac'),
"wireless_mode": airos.mcastatus.get('wlanOpmode', '')
}
Gauge("airos_airmax_quality_percents", 'The airMax Quality (AMQ) is based on the number of retries and '
'the quality of the physical link', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("wlanPollingQuality"))
Gauge("airos_airmax_capacity_percents", 'The airMax Capacity (AMC) is based on the ratio of current rate and maximum '
'rate', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("wlanPollingCapacity"))
Gauge("airos_wlan_tx_rate_mbps", 'Radio TX rate', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("wlanTxRate"))
Gauge("airos_wlan_rx_rate_mbps", 'Radio RX rate', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("wlanRxRate"))
Gauge("airos_signal_dbm", 'Signal', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("signal"))
Gauge("airos_chanbw_mhz", 'Channel Width', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("chanbw"))
Gauge("airos_center_freq_mhz", 'Frequency', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("centerFreq"))
Gauge("airos_tx_power_dbm", 'TX Power', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("txPower"))
Gauge("airos_antenna_gain_dbm", 'Antenna Gain, dBi', labels.keys(), registry=r).labels(**labels).set(
airos.status.get("board", {}).get("radio", [{}])[0].get("antenna", [{}])[0].get("gain", 0))
Gauge("airos_chain_0_signal_dbm", 'Chan 0 Signal', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("chain0Signal"))
Gauge("airos_chain_1_signal_dbm", 'Chan 1 Signal', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("chain1Signal"))
Gauge("airos_noise_dbm", 'Noise Floor', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("noise"))
Gauge("airos_lan_plugged", 'LAN plugged', labels.keys(), registry=r).labels(**labels).set(
airos.mcastatus.get("lanPlugged"))
Gauge("airos_ccq_percent", 'CCQ', labels.keys(), registry=r).labels(**labels).set(
float(airos.mcastatus.get("ccq")) / 10)
Gauge("airos_remote_devices", 'Remote Devices', labels.keys(), registry=r).labels(**labels).set(
len(airos.wstalist))
Gauge("airos_remote_devices_extra_reporting", 'Remote Devices with Extra Reporting', labels.keys(), registry=r).labels(**labels).set(
len([1 for s in airos.wstalist if "remote" in s]))
Counter("airos_lan_rx_packets_total", "LAN RX packets", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("lanRxPackets")))
Counter("airos_lan_tx_packets_total", "LAN TX packets", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("lanTxPackets")))
Counter("airos_wlan_rx_packets_total", "WLAN RX packets", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("wlanRxPackets")))
Counter("airos_wlan_tx_packets_total", "WLAN TX packets", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("wlanTxPackets")))
Counter("airos_lan_rx_bytes_total", "LAN RX bytes", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("lanRxBytes")))
Counter("airos_lan_tx_bytes_total", "LAN TX bytes", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("lanTxBytes")))
Counter("airos_wlan_rx_bytes_total", "WLAN RX bytes", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("wlanRxBytes")))
Counter("airos_wlan_tx_bytes_total", "WLAN TX bytes", labels.keys(), registry=r).labels(**labels).inc(
int(airos.mcastatus.get("wlanTxBytes")))
for remote in airos.wstalist:
r2 = CollectorRegistry()
remote_labels: Dict[str, str] = {}
remote_labels['remote_mac'] = remote['mac']
remote_labels['remote_lastip'] = remote['lastip']
remote_labels['remote_hostname'] = str(remote.get('remote', {}).get('hostname', remote.get('name', '')))
if remote.get('remote', {}).get('platform'):
remote_labels['remote_platform'] = remote.get('remote', {}).get('platform')
if remote.get('remote', {}).get('version'):
remote_labels['remote_version'] = remote.get('remote', {}).get('version')
labels2 = labels.copy()
labels2.update(remote_labels)
Gauge("airos_remote_signal", 'Signal received from remote device', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get("signal"))
Gauge("airos_remote_ccq", 'Remote CCQ', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get("ccq"))
if remote.get('airmax', {}).get('quality'):
Gauge("airos_remote_amq", 'Remote airMax Quality', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get('airmax', {}).get('quality'))
if remote.get('airmax', {}).get('capacity'):
Gauge("airos_remote_amc", 'Remote airMax Capacity', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get('airmax', {}).get('capacity'))
if remote.get('airmax', {}).get('capacity'):
Gauge("airos_remote_airmax_priority", 'Remote airMax Priority', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get('airmax', {}).get('priority'))
Gauge("airos_remote_rssi_dbm", 'Remote RSSI', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get("rssi"))
if remote.get('remote', {}).get('tx_power'):
Gauge("airos_remote_tx_power_dbm", 'Remote TX Power', labels2.keys(), registry=r2).labels(**labels2).set(
remote['remote']['tx_power'])
if remote.get('remote', {}).get('signal'):
Gauge("airos_remote_tx_signal_dbm", 'Signal received by remote device', labels2.keys(), registry=r2).labels(**labels2).set(
remote['remote']['signal'])
if remote.get('remote', {}).get('noisefloor'):
Gauge("airos_remote_noise_floor_dbm", 'Remote Noise Floor', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get('remote', {}).get('noisefloor'))
if remote.get('remote', {}).get('distance'):
Gauge("airos_remote_distance_meters", 'Remote Distance', labels2.keys(), registry=r2).labels(**labels2).set(
remote.get('remote', {}).get('distance'))
Gauge("airos_remote_tx_latency_seconds", 'Remote TX Latency', labels2.keys(), registry=r2).labels(**labels2).set(
float(remote.get("tx_latency", 0)) / 1000)
if remote.get('airmax', {}).get('quality'):
Gauge("airos_remote_airmax_quality_percents", 'Remote AMQ', labels2.keys(), registry=r2).labels(**labels2).set(
remote['airmax']['quality'])
if remote.get('remote', {}).get('tx_bytes'):
Gauge("airos_remote_tx_bytes_total", 'Bytes sent by remotye device', labels2.keys(), registry=r2).labels(**labels2).set(
remote['remote']['tx_bytes'])
if remote.get('remote', {}).get('rx_bytes'):
Gauge("airos_remote_rx_bytes_total", 'Bytes received by remote device', labels2.keys(), registry=r2).labels(**labels2).set(
remote['remote']['rx_bytes'])
rr.append(r2)
Gauge('airos_error', '', labels.keys(), registry=r).labels(**labels).set(0)
except Exception as e:
Gauge('airos_error', '', ['error'], registry=r).labels(error=str(e)).set(1)
status = "200 OK"
body = b''.join(generate_latest(registry=reg) for reg in rr)
size = str(len(body))
common_log(environ, '200', size)
headers = [
('Content-Type', mime),
('Content-Length', size)
]
start_response(status, headers)
return body
if __name__ == "__main__":
WORKERS = int(os.environ.get('WORKERS', '8'))
PORT = int(os.environ.get('PORT', '8890'))
UBNT_PASSWORD = os.environ.get('UBNT_PASSWORD', 'ubnt')
print(f'Staring at http://0.0.0.0:{PORT}/metrics (use PORT environment variable to change).', file=sys.stderr)
bjoern.listen(application, '0.0.0.0', PORT)
worker_pids = []
print('Workers', end='', file=sys.stderr)
for _ in range(WORKERS):
pid = os.fork()
if pid > 0: # in master
worker_pids.append(pid)
print('', pid, end='', file=sys.stderr)
elif pid == 0: # in worker
try:
bjoern.run()
except:
pass
exit()
print(' started (use WORKERS environment variable to change number of workers).', file=sys.stderr)
# all for one
try:
pid, _ = os.wait()
print('Child process', pid, 'terminates.', file=sys.stderr)
except:
pass
print('Terminating child processes:', end='', file=sys.stderr)
for pid in worker_pids:
try:
os.kill(pid, signal.SIGTERM)
except:
pass
else:
print('', pid, end='', file=sys.stderr)
print('. Exiting.', file=sys.stderr)