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#!@python@/bin/python
import requests
import xml.etree.ElementTree as ET
from getpass import getpass
from hashlib import sha256
from time import sleep
import re
import json
from os import environ
import sys
from http.server import BaseHTTPRequestHandler, HTTPServer
from urllib.parse import urlparse
from pytimeparse.timeparse import timeparse
from textwrap import dedent
def _format_prom_attrs(**attrs):
if not attrs:
return ''
return '{' + ','.join(map(lambda k: f'{k}="{attrs[k]}"', attrs)) + '}'
def _format_prom_metrics(metricName, metricType, metrics, metricHelp=''):
metricStr = dedent(f'''
# HELP {metricName} {metricHelp}
# TYPE {metricName} {metricType}
''').lstrip()
for (attrs, val) in metrics:
attrs_str = _format_prom_attrs(**attrs)
metricStr += dedent(f'''
{metricName}{attrs_str} {val}
''').lstrip()
return metricStr
class ZTEMetrics:
_instance = None
@classmethod
def instance(cls):
if cls._instance is None:
cls._instance = cls.__new__(cls)
cls._instance.base_url = environ.get('ZTE_BASEURL')
cls._instance.username = environ.get('ZTE_USERNAME')
cls._instance.password = environ.get('ZTE_PASSWORD')
cls._instance.attrs = None
return cls._instance
def __init__(self):
raise RuntimeError('Call instance() instead')
_error_pattern = re.compile('^IF_ERROR(PARAM|TYPE|STR|ID)$')
_obj_pattern = re.compile('^(?:OBJ_(.+)_ID)|(?:ID_(WAN_COMFIG))$')
def update(self):
attrs = dict()
with requests.Session() as session:
session.get(self.base_url)
tok_req = session.get(f'{self.base_url}/function_module/login_module/login_page/logintoken_lua.lua')
tok_tree = ET.fromstring(tok_req.text)
login_token = tok_tree.text
password_hash = sha256((self.password + login_token).encode('utf-8')).hexdigest()
session.post(self.base_url, data = { 'Username': self.username, 'Password': password_hash, 'action': 'login' })
dev_req = session.get(f'{self.base_url}/common_page/ManagReg_lua.lua')
sntp_req = session.get(f'{self.base_url}/getpage.lua?pid=1005&nextpage=Internet_sntp_lua.lua')
session.get(f'{self.base_url}/getpage.lua?pid=123&nextpage=Internet_AdminInternetStatus_DSL_t.lp')
dsl_req = session.get(f'{self.base_url}/common_page/internet_dsl_interface_lua.lua')
ppp_req = session.get(f'{self.base_url}/common_page/Internet_Internet_lua.lua?TypeUplink=1&pageType=1')
session.get(f'{self.base_url}/getpage.lua?pid=123&nextpage=Localnet_LocalnetStatusAd_t.lp')
lan_req = session.get(f'{self.base_url}/common_page/lanStatus_lua.lua')
dhcp_req = session.get(f'{self.base_url}/common_page/Localnet_LanMgrIpv4_DHCPHostInfo_lua.lua')
for req in [dev_req, sntp_req, dsl_req, ppp_req, lan_req, dhcp_req]:
xml = ET.fromstring(req.text)
for child in xml:
if self._error_pattern.match(child.tag):
continue
obj_tag = self._obj_pattern.match(child.tag)
if not obj_tag:
continue
obj_type = obj_tag.group(1) or obj_tag.group(2)
for instance in child.findall('Instance'):
instance_dict = dict()
name = None
value = None
for child in instance:
match child.tag:
case 'ParaName':
name = child.text
case 'ParaValue':
value = child.text
case _:
pass
if not name is None and not value is None:
instance_dict[name] = value
name = None
value = None
if obj_type not in attrs:
attrs[obj_type] = dict()
attrs[obj_type][instance_dict['_InstID']] = instance_dict
self.attrs = attrs
def json_text(self):
return json.dumps(self.attrs)
_link_pattern = re.compile('^IGD\.WD1\.LINE([0-9]+)$')
_eth_pattern = re.compile('^IGD\.LD1\.ETH([0-9]+)$')
def prometheus(self):
metrics = ''
uptime_seconds = timeparse(self.attrs['SYSTEMYIME']['IGD']['systemTime'])
metrics += _format_prom_metrics('uptime_seconds', 'gauge', [({}, uptime_seconds)], 'Seconds device has been running')
link_metrics = dict()
for link in self.attrs['DSLINTERFACE']:
link_match = self._link_pattern.match(link)
link_number = link_match.group(1)
if 'crc_errors_count' not in link_metrics:
link_metrics['crc_errors_count'] = {'type': 'counter', 'metrics': []}
link_metrics['crc_errors_count']['metrics'] += [({"direction": "up", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['UpCrc_errors']))]
link_metrics['crc_errors_count']['metrics'] += [({"direction": "down", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['DownCrc_errors']))]
if 'noise_margin_db' not in link_metrics:
link_metrics['noise_margin_db'] = {'type': 'gauge', 'metrics': []}
link_metrics['noise_margin_db']['metrics'] += [({"direction": "up", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Upstream_noise_margin']))]
link_metrics['noise_margin_db']['metrics'] += [({"direction": "down", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Downstream_noise_margin']))]
if 'attenuation_db' not in link_metrics:
link_metrics['attenuation_db'] = {'type': 'gauge', 'metrics': []}
link_metrics['attenuation_db']['metrics'] += [({"direction": "up", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Upstream_attenuation']))]
link_metrics['attenuation_db']['metrics'] += [({"direction": "down", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Downstream_attenuation']))]
if 'max_rate_kbps' not in link_metrics:
link_metrics['max_rate_kbps'] = {'type': 'gauge', 'metrics': []}
link_metrics['max_rate_kbps']['metrics'] += [({"direction": "up", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Upstream_max_rate']))]
link_metrics['max_rate_kbps']['metrics'] += [({"direction": "down", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Downstream_max_rate']))]
if 'current_rate_kbps' not in link_metrics:
link_metrics['current_rate_kbps'] = {'type': 'gauge', 'metrics': []}
link_metrics['current_rate_kbps']['metrics'] += [({"direction": "up", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Upstream_current_rate']))]
link_metrics['current_rate_kbps']['metrics'] += [({"direction": "down", "link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Downstream_current_rate']))]
if 'dsl_uptime_seconds' not in link_metrics:
link_metrics['dsl_uptime_seconds'] = {'type': 'gauge', 'metrics': []}
link_metrics['dsl_uptime_seconds']['metrics'] += [({"link": link_number}, int(self.attrs['DSLINTERFACE'][link]['Showtime_start']))]
if link_metrics:
for metric_name in link_metrics:
metrics += _format_prom_metrics(f'dsl_{metric_name}', link_metrics[metric_name]['type'], link_metrics[metric_name]['metrics'])
eth_metrics = dict()
for link in self.attrs['ETH']:
link_match = self._eth_pattern.match(link)
link_number = link_match.group(1)
if 'received_bytes' not in eth_metrics:
eth_metrics['received_bytes'] = {'type': 'counter', 'metrics': []}
eth_metrics['received_bytes']['metrics'] += [({"interface": link_number}, int(self.attrs['ETH'][link]['BytesReceived']))]
if 'sent_bytes' not in eth_metrics:
eth_metrics['sent_bytes'] = {'type': 'counter', 'metrics': []}
eth_metrics['sent_bytes']['metrics'] += [({"interface": link_number}, int(self.attrs['ETH'][link]['BytesSent']))]
if eth_metrics:
for metric_name in eth_metrics:
metrics += _format_prom_metrics(f'eth_{metric_name}', eth_metrics[metric_name]['type'], eth_metrics[metric_name]['metrics'])
return metrics.encode('utf-8')
class ZTEMetricsServer(BaseHTTPRequestHandler):
def log_message(self, format, *args):
pass
def do_GET(self):
zte_metrics = ZTEMetrics.instance()
zte_metrics.update()
url = urlparse(self.path)
match url.path:
case '/metrics.json':
self.send_response(200)
self.send_header("Content-type", "application/json")
self.end_headers()
self.wfile.write(zte_metrics.json_text().encode('utf-8'))
case '/metrics':
self.send_response(200)
self.send_header("Content-type", "text/plain")
self.end_headers()
self.wfile.write(zte_metrics.prometheus())
case _:
self.send_response(404)
self.end_headers()
def main():
webServer = HTTPServer((str(environ.get('ZTE_HOSTNAME')), int(environ.get('ZTE_PORT'))), ZTEMetricsServer)
webServer.serve_forever()
if __name__ == "__main__":
sys.exit(main())
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