Make sure that the required slash is present. (#802)

changelogs/fragments/802-renewal-info.yml

@@ -0,0 +1,3 @@
+bugfixes:
+  - "acme_* modules - when querying renewal information, make sure to insert a slash between the base URL and the certificate identifier
+     (https://github.com/ansible-collections/community.crypto/issues/801, https://github.com/ansible-collections/community.crypto/pull/802)."

plugins/module_utils/acme/acme.py

@@ -404,7 +404,7 @@ class ACMEClient(object):
 
         if cert_id is None:
             cert_id = compute_cert_id(self.backend, cert_info=cert_info, cert_filename=cert_filename, cert_content=cert_content)
-        url = '{base}{cert_id}'.format(base=self.directory.directory['renewalInfo'], cert_id=cert_id)
+        url = '{base}/{cert_id}'.format(base=self.directory.directory['renewalInfo'].rstrip('/'), cert_id=cert_id)
 
         data, info = self.get_request(url, parse_json_result=True, fail_on_error=True, get_only=True)