Files
dns-manager/dns-zone-list

112 lines
4.4 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import dnsmgr
import re
import sys
from dns.reversename import ipv4_reverse_domain, ipv6_reverse_domain
from json import dumps
def main():
preparser = argparse.ArgumentParser(add_help=False)
preparser.add_argument('-b', '--batch', action='store_true')
preargs, args = preparser.parse_known_args()
nargs = None if preargs.batch else '?'
parser = argparse.ArgumentParser(description='Show DNS zone records.')
parser.add_argument('-a', '--all-zones', help='do not ignore zones that are not managed', action='store_true')
parser.add_argument('-A', '--all-records', help='do not ignore unsupported record types', action='store_true')
parser.add_argument('-b', '--batch', help='run in batch mode (no user input)', action='store_true')
parser.add_argument('-c', '--config', help='path to config file', default=dnsmgr.DEFAULT_CFGFILE)
parser.add_argument('-d', '--decode', help='decode internationalized domain names (IDN)', action='store_true')
parser.add_argument('zone', metavar='ZONE[@VIEWS]', nargs=nargs, help='DNS zone name and optional list of views (comma separated or asterisk to select all views)', default=None)
output = parser.add_mutually_exclusive_group()
output.add_argument('-j', '--json', help='print json format', action='store_true')
output.add_argument('-J', '--json-pretty', help='print pretty json format', action='store_true')
output.add_argument('-r', '--raw', help='print raw format', action='store_true')
args = parser.parse_args()
try:
manager = dnsmgr.DNSManager(cfgfile=args.config)
except RuntimeError as e:
dnsmgr.printe(f'config: {e}')
sys.exit(100)
try:
if args.zone is None:
zones = manager.select_zones(args.all_zones)
else:
zones = manager.get_zones(args.zone, args.all_zones)
except RuntimeError as e:
dnsmgr.printe(e)
sys.exit(150)
except KeyboardInterrupt:
sys.exit(0)
zones.sort(key=lambda zone: zone.view)
zone_records = {}
for zone in zones:
try:
manager.get_zone_content(zone)
except RuntimeError as e:
dnsmgr.printe(f"zone transfer of '{zone.origin.to_text(True)}@{zone.view}': {e}")
sys.exit(160)
records = []
for name, node in zone.items():
for rdataset in node:
if not args.all_records and rdataset.rdtype not in dnsmgr.RECORD_TYPES:
continue
for value in rdataset:
records.append({
'name': name.to_unicode() if args.decode else name.to_text(),
'ttl': str(rdataset.ttl),
'type': str(rdataset.rdtype.to_text(rdataset.rdtype)),
'value': value.to_text(origin=zone.origin, relativize=False)})
if zone.origin.is_subdomain(ipv4_reverse_domain):
records.sort(key=lambda r: int(re.findall(r'\d+|$', r['name'])[0] or 0))
elif zone.origin.is_subdomain(ipv6_reverse_domain):
records.sort(key=lambda r: int(''.join(re.findall(r'\d+', r['name'])) or 0))
else:
records.sort(key=lambda r: f'{r["name"]}{r["type"]}')
zone_records[zone.view] = records
views = sorted(zone_records.keys())
if args.raw:
for view in views:
print(f';\n; View: {view}\n;\n')
for record in zone_records[view]:
print('\t'.join([record['name'], record['ttl'], record['type'], record['value']]))
print(f'\n;\n; End of view: {view}\n;\n')
elif args.json or args.json_pretty:
json_output = []
for view in views:
json_output.append({'view': view, 'records': zone_records[view]})
if args.json_pretty:
print(dumps(json_output, indent=2))
else:
print(dumps(json_output))
else:
field_names = ['Name', 'TTL', 'Type', 'Value']
for view in views:
rows = []
for record in zone_records[view]:
row = [record['name'], record['ttl'], record['type'], record['value']]
rows.append(row)
if len(views) > 1 or view != dnsmgr.NAMED_DEFAULT_VIEW:
print(f'View: {view}')
print(dnsmgr.prettytable(field_names, rows, truncate=True))
print()
if __name__ == '__main__':
main()