Add debugging info for Nginx tls-sni and http integration tests purposes (#6414)

certbot-nginx/certbot_nginx/http_01.py

@@ -102,6 +102,7 @@ class NginxHttp01(common.ChallengePerformer):
         config = [self._make_or_mod_server_block(achall) for achall in self.achalls]
         config = [x for x in config if x is not None]
         config = nginxparser.UnspacedList(config)
+        logger.debug("Generated server block:\n%s", str(config))
 
         self.configurator.reverter.register_file_creation(
             True, self.challenge_conf)

certbot-nginx/certbot_nginx/tls_sni_01.py

@@ -141,6 +141,8 @@ class NginxTlsSni01(common.TLSSNI01):
         with open(self.challenge_conf, "w") as new_conf:
             nginxparser.dump(config, new_conf)
 
+        logger.debug("Generated server block:\n%s", str(config))
+
     def _make_server_block(self, achall, addrs):
         """Creates a server block for a challenge.
 

certbot-nginx/tests/boulder-integration.sh

@@ -35,6 +35,7 @@ test_deployment_and_rollback() {
 }
 
 export default_server="default_server"
+nginx -v
 reload_nginx
 certbot_test_nginx --domains nginx.wtf run
 test_deployment_and_rollback nginx.wtf