Add dockerignore.

.dockerignore

@@ -0,0 +1,4 @@
+ci
+README.md
+requirements.txt
+*.yaml

main.py

@@ -3,6 +3,7 @@
 import itertools
 import os
 import sys
+import typing
 import logging
 
 import yaml
@@ -15,6 +16,12 @@ from schema import And, Optional, Use, Schema
 
 logger = logging.getLogger('ovhdns')
 
+def str_or_list(i: typing.Union[str, typing.List[str]]) -> typing.List[str]:
+    if isinstance(i, str):
+        return [i]
+    return i
+
+
 config_schema = Schema({
     'ovh': {
         'application_key': Use(str),
@@ -23,7 +30,7 @@ config_schema = Schema({
         'endpoint': Use(str),
     },
     'zone': Use(str),
-    Optional('subdomain', default=''): Use(str),
+    Optional('subdomain', default=''): Use(str_or_list),
     Optional('field_type', default='A'): And(Use(str), Use(str.upper), dns.rdatatype.RdataType.make),
     Optional('logging', default={'level': ':WARNING,ovhdns:INFO'}): {
         Optional('level', default=':WARNING,ovhdns:INFO'): Use(str),
@@ -108,20 +115,25 @@ def main(config, level, force_refresh):
     logger.debug('Found records %d:', len(records))
     for r in records:
         logger.debug(' - %s', repr(r))
-    records = [
+    logging.info('matching against subdomains %s', config['subdomain'])
+    records_dict = {}
+    for subdomain in config['subdomain']:
+        records_dict[subdomain] = [
             r
             for r in records
             if r['fieldType'] == config['field_type']
             and r['zone'] == config['zone']
-        and r['subDomain'] == config['subdomain']
+            and r['subDomain'] == subdomain
         ]
-    logger.info('found matching records: %s', records)
-    if len(records) > 1:
+    logger.info('found matching records: %s', records_dict)
+    for v in records_dict.values():
+        if len(v) > 1:
             logger.error('found more than one record, don\'t know which to pick')
             sys.exit(1)
 
     my_ips = get_my_ips()
     need_refresh = False
+    for subdomain, records in records_dict.items():
         if len(records) == 1:
             logger.info('record already present, updating if needed')
             if my_ips[0] == records[0]['target']:
@@ -140,7 +152,7 @@ def main(config, level, force_refresh):
             need_refresh = True
             ovh_client.post(
                 f'/domain/zone/{config["zone"]}/record/',
-            subDomain=config['subdomain'],
+                subDomain=subdomain,
                 target=my_ips[0],
                 fieldType=config['field_type'],
                 ttl=config['ttl'],