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This commit is contained in:
Matthew Grotke 2026-06-03 02:24:21 -04:00
parent f04b2b36cc
commit 5a3a18d5b0
7 changed files with 123 additions and 33 deletions
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1
docker/routlin-dash/app/config_utils.py
View file

@ -735,6 +735,7 @@ def config_datasource(name):
for res in cfg.get('dhcp_reservations', []):
row = dict(res)
row['vlan_name'] = res.get('vlan', '-')
row['ip'] = res.get('ip') or 'dynamic'
rows.append(row)
return rows

5
docker/routlin-dash/app/pages/dhcpleases/content.json
View file

@ -54,6 +54,11 @@
"label": "VLAN",
"field": "vlan_name"
},
{
"label": "Status",
"field": "status",
"render": "raw_html"
},
{
"label": "Last Renewal",
"field": "last_active"

88
docker/routlin-dash/app/pages/dhcpleases/view.py
View file

@ -1,5 +1,7 @@
import ipaddress
import os
import glob
import subprocess
from datetime import datetime, timezone
from config_utils import collect_layout_tokens, load_config, relative_time
from factory import (
@ -44,6 +46,52 @@ def _vendor_cell(vendor):
return e(display)
def _get_arp_table():
"""Return {mac_lower: state} from `ip neigh`. Excludes FAILED/PERMANENT/INCOMPLETE."""
try:
result = subprocess.run(['ip', 'neigh'], capture_output=True, text=True, timeout=5)
entries = {}
for line in result.stdout.splitlines():
parts = line.split()
if 'lladdr' not in parts:
continue
state = parts[-1]
if state in ('FAILED', 'PERMANENT', 'NOARP', 'INCOMPLETE'):
continue
idx = parts.index('lladdr')
mac = parts[idx + 1].lower()
ip = parts[0]
iface = parts[2] if len(parts) > 2 else ''
entries[mac] = {'ip': ip, 'iface': iface, 'state': state}
return entries
except Exception:
return {}
def _status_badge(state):
if state == 'REACHABLE':
return '<span class="badge badge-enabled">Online</span>'
return '<span class="badge badge-disabled">Offline</span>'
def _vlan_for_ip(ip_str, vlans):
"""Return VLAN name whose subnet contains ip_str, or '-'."""
try:
addr = ipaddress.IPv4Address(ip_str)
except ValueError:
return '-'
for v in vlans:
subnet = v.get('subnet', '')
mask = v.get('subnet_mask', '')
if subnet and mask:
try:
if addr in ipaddress.IPv4Network(f'{subnet}/{mask}', strict=False):
return v.get('name', '-')
except ValueError:
pass
return '-'
def _parse_lease_secs(s):
s = str(s).strip().lower()
try:
@ -56,10 +104,13 @@ def _parse_lease_secs(s):
def live_dhcp_leases():
rows = []
now = int(datetime.now(tz=timezone.utc).timestamp())
cfg = load_config()
vlans = cfg.get('vlans', [])
rows = []
now = int(datetime.now(tz=timezone.utc).timestamp())
cfg = load_config()
vlans = cfg.get('vlans', [])
arp_table = _get_arp_table()
lease_macs = set()
vlan_lease_secs = {
v['name']: _parse_lease_secs(v.get('dhcp_information', {}).get('lease_time', ''))
for v in vlans if v.get('name')
@ -101,15 +152,14 @@ def live_dhcp_leases():
device_h = parts[3] if parts[3] != '*' else None
res_h = mac_to_res.get(mac_norm)
desc = mac_to_desc.get(mac_norm)
desc_attr = f' data-hostname-desc="{e(desc)}"' if desc else ''
if res_h and device_h and device_h.lower() != res_h.lower():
hostname_html = f'<span{desc_attr}>{e(res_h)}<br/>({e(device_h)})</span>' if desc_attr else f'{e(res_h)}<br/>({e(device_h)})'
elif res_h:
hostname_html = f'<span{desc_attr}>{e(res_h)}</span>' if desc_attr else e(res_h)
elif device_h:
hostname_html = f'<span{desc_attr}>{e(device_h)}</span>' if desc_attr else e(device_h)
name = res_h or device_h
if name:
desc_attr = f' data-hostname-desc="{e(desc)}"' if desc else ''
hostname_html = f'<span{desc_attr}>{e(name)}</span>' if desc_attr else e(name)
else:
hostname_html = '-'
arp_entry = arp_table.get(mac_norm, {})
lease_macs.add(mac_norm)
rows.append({
'hostname': hostname_html,
'ip_address': parts[2],
@ -118,9 +168,25 @@ def live_dhcp_leases():
'vlan_name': vlan_name,
'last_active': last_active,
'renews': 'in ' + relative_time(renews_ts or expiry, now, short=True),
'status': _status_badge(arp_entry.get('state', '')),
})
except Exception:
pass
for mac, arp in arp_table.items():
if mac in lease_macs:
continue
rows.append({
'hostname': '-',
'ip_address': arp['ip'],
'mac_address': mac,
'vendor': _vendor_cell(_get_vendor(mac)),
'vlan_name': _vlan_for_ip(arp['ip'], vlans),
'last_active': '',
'renews': '',
'status': _status_badge(arp['state']),
})
return rows

12
docker/routlin-dash/app/pages/dhcpreservations/action.py
View file

@ -29,7 +29,7 @@ def _hash_ok():
def _parse_ip():
raw = request.form.get('ip', '').strip()
if not raw:
return 'dynamic'
return ''
ip = validate.ip(raw)
if not ip:
flash(f'The configuration has not been saved because "{raw}" is not a valid IP address.', 'error')
@ -38,7 +38,7 @@ def _parse_ip():
def _check_ip_in_vlan_subnet(ip, vlan):
if not ip or ip == 'dynamic':
if not ip:
return None
subnet = vlan.get('subnet')
prefix = vlan.get('subnet_mask')
@ -98,13 +98,14 @@ def addreservation_add():
entry = {
'description': description,
'hostname': hostname,
'mac': mac,
'ip': ip,
'radius_client': radius_client,
'enabled': True,
'vlan': vlan_name,
}
if hostname:
entry['hostname'] = hostname
cfg.setdefault('dhcp_reservations', []).append(entry)
errors = validate.validate_config(cfg)
if errors:
@ -192,12 +193,15 @@ def reservations_edit():
before = copy.deepcopy(res)
res.update({
'description': description,
'hostname': hostname,
'mac': mac,
'ip': ip,
'radius_client': radius_client,
'enabled': 'enabled' in request.form,
})
if hostname:
res['hostname'] = hostname
else:
res.pop('hostname', None)
errors = validate.validate_config(cfg)
if errors:
for msg in errors: