Add support for AWS profiles in certbot-dns-route53

dns_route53.py.diff

diff -Naur certbot_dns_route53.old/dns_route53.py certbot_dns_route53/dns_route53.py
--- certbot_dns_route53.old/dns_route53.py	2018-04-04 21:56:02.000000000 +0000
+++ certbot_dns_route53/dns_route53.py	2020-07-30 09:48:12.413712711 +0000
@@ -33,9 +33,15 @@

     def __init__(self, *args, **kwargs):
         super(Authenticator, self).__init__(*args, **kwargs)
-        self.r53 = boto3.client("route53")
+        session = boto3.Session(profile_name=self.conf('profile-name'))
+        self.r53 = session.client("route53")
         self._resource_records = collections.defaultdict(list)

+    @classmethod
+    def add_parser_arguments(cls, add, profile_name=None):
+        super(Authenticator, cls).add_parser_arguments(add)
+        add('profile-name', default=profile_name, type=str, help='The AWS profile to use')
+
     def more_info(self):  # pylint: disable=missing-docstring,no-self-use
         return "Solve a DNS01 challenge using AWS Route53"

yourdomain.tld.conf

...
[renewalparams]
...
dns_route53_profile_name = name_of_profile