152 lines
6.1 KiB
Python
152 lines
6.1 KiB
Python
import json
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import os
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from datetime import datetime
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import config_utils
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import factory
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from pages.ddns.view import public_ip_info
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from pages.dhcpleases.view import live_dhcp_leases
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METRICS_FILE = f'{config_utils.CONFIGS_DIR}/.dns-metrics'
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def _fmt_since(since_str):
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try:
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dt = datetime.strptime(since_str, '%Y-%m-%d %H:%M:%S')
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now = datetime.now()
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rel = config_utils.relative_time(int(dt.timestamp()), int(now.timestamp()))
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if dt.date() == now.date():
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return f'Today at {dt.strftime("%H:%M")} ({rel} ago)'
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return f'{dt.strftime("%Y-%m-%d")} ({rel} ago)'
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except Exception:
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return since_str
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def _fmt_updated(updated_str):
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try:
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dt = datetime.strptime(updated_str, '%Y-%m-%d %H:%M:%S')
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now = datetime.now()
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rel = config_utils.relative_time(int(dt.timestamp()), int(now.timestamp()))
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return f'{rel} ago'
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except Exception:
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return updated_str
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def _dns_providers_table(servers):
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if not servers:
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return '<p class="text-muted" style="margin:0.5rem 0 0">No upstream server data recorded yet.</p>'
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rows = []
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for s in servers:
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latency = f'{s["avg_latency_ms"]} ms' if s.get("avg_latency_ms") else '-'
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rows.append(
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f'<tr>'
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f'<td class="table-cell">{factory.e(s.get("address", "-"))}</td>'
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f'<td class="table-cell">{s.get("queries_sent", 0):,}</td>'
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f'<td class="table-cell">{s.get("retried", 0):,}</td>'
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f'<td class="table-cell">{s.get("failed", 0):,}</td>'
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f'<td class="table-cell">{s.get("nxdomain", 0):,}</td>'
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f'<td class="table-cell">{latency}</td>'
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f'</tr>'
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)
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return (
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'<table class="data-table" style="margin-top:0.75rem"><thead><tr>'
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'<th class="table-header">Server</th>'
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'<th class="table-header">Queries Sent</th>'
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'<th class="table-header">Retried</th>'
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'<th class="table-header">Failed</th>'
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'<th class="table-header">NXDOMAIN</th>'
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'<th class="table-header">Avg Latency</th>'
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'</tr></thead><tbody>'
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+ ''.join(rows)
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+ '</tbody></table>'
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)
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def load_dns_metrics():
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empty = {'queries': '-', 'hits': '-', 'hit_rate': '-', 'forwarded': '-',
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'tcp_peak': '-', 'cache_evictions': '-', 'updated': '-', 'since': '-', 'servers': []}
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try:
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with open(METRICS_FILE) as f:
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data = json.load(f)
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t = data.get('totals', {})
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meta = data.get('metadata', {})
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fwd = t.get('queries_forwarded', 0)
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hits = t.get('queries_answered_locally', 0)
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total = fwd + hits
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since_raw = meta.get('first_recorded', '-')
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updated_raw = meta.get('last_recorded', '-')
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return {
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'queries': f'{total:,}' if total else '-',
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'hits': f'{hits:,}' if hits else '-',
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'hit_rate': f'{hits / total * 100:.0f}%' if total > 0 else '-',
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'forwarded': f'{fwd:,}' if fwd else '-',
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'tcp_peak': str(t.get('tcp_hwm', 0)),
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'cache_evictions': f'{t.get("cache_reused", 0):,}',
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'updated': _fmt_updated(updated_raw),
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'since': _fmt_since(since_raw),
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'servers': t.get('servers', []),
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}
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except Exception:
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return empty
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def count_blocked_today():
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out = factory.run("journalctl -u 'dnsmasq-routlin-*' --since '24 hours ago' --no-pager 2>/dev/null | grep -c ' is 0\\.0\\.0\\.0'")
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return out.strip() or '0'
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def count_blocked_domains():
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try:
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total = sum(
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int(factory.run(f'wc -l < "{config_utils.BLOCKLISTS_DIR}/{f}"') or 0)
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for f in os.listdir(config_utils.BLOCKLISTS_DIR) if f.endswith('.con')
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)
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return str(total)
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except Exception:
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return '-'
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def bl_last_update():
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try:
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mtime = max(
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os.path.getmtime(f'{config_utils.BLOCKLISTS_DIR}/{f}')
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for f in os.listdir(config_utils.BLOCKLISTS_DIR) if f.endswith('.con')
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)
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return config_utils.fmt_timestamp(int(mtime))
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except Exception:
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return '-'
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def collect_tokens(cfg):
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tokens = config_utils.collect_layout_tokens(cfg)
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vlans = cfg.get('vlans', [])
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non_vpn_vlans = [v for v in vlans if not v.get('is_vpn')]
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vlan_names = [v.get('name', '') for v in vlans]
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net = cfg.get('network_interfaces', {})
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dns = cfg.get('upstream_dns', {})
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dns_stats = load_dns_metrics()
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ddns = factory.load_ddns()
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ip_str, domains_sub, last_obtained = public_ip_info(ddns)
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tokens['GENERAL_WAN_INTERFACE'] = str(net.get('wan_interface', '-'))
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tokens['OVERVIEW_VLAN_NAMES'] = ', '.join(vlan_names) or '-'
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tokens['STAT_VLAN_COUNT'] = str(len(non_vpn_vlans))
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tokens['STAT_LEASE_COUNT'] = str(len(live_dhcp_leases()))
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tokens['STAT_BANNED_IP_COUNT'] = str(sum(1 for b in cfg.get('banned_ips', []) if b.get('enabled', True)))
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tokens['STAT_BLOCKLIST_COUNT'] = str(len(cfg.get('dns_blocking', {}).get('blocklists', [])))
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tokens['STAT_BLOCKED_TODAY'] = count_blocked_today()
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tokens['STAT_BLOCKED_DOMAINS'] = count_blocked_domains()
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tokens['STAT_BL_LAST_UPDATE'] = bl_last_update()
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tokens['STAT_UPTIME'] = factory.run('uptime -p') or '-'
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tokens['STAT_NFTABLES_STATUS'] = 'Active' if factory.run('nft list tables 2>/dev/null').strip() else 'Inactive'
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tokens['STAT_PUBLIC_IP'] = ip_str
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tokens['STAT_DDNS_HOSTNAME'] = domains_sub
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tokens['DNS_CACHE_SIZE'] = str(dns.get('cache_size', '-'))
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tokens['DNS_STAT_QUERIES'] = dns_stats['queries']
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tokens['DNS_STAT_HITS'] = dns_stats['hits']
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tokens['DNS_STAT_HIT_RATE'] = dns_stats['hit_rate']
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tokens['DNS_STAT_FORWARDED'] = dns_stats['forwarded']
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tokens['DNS_STAT_CACHE_EVICTIONS'] = dns_stats['cache_evictions']
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tokens['DNS_METRICS_UPDATED'] = dns_stats['updated']
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tokens['DNS_METRICS_SINCE'] = dns_stats['since']
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tokens['DNS_PROVIDERS_TABLE'] = _dns_providers_table(dns_stats['servers'])
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return tokens
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