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authorMarcus <bubu@bubu1.eu>2021-02-03 22:47:30 +0100
committerGitHub <noreply@github.com>2021-02-03 16:47:30 -0500
commitb0f4119b8bc8ab2da6a6f5f6480da8a0b749c768 (patch)
treee0e25b284a5715c87897a870df34e7eae23ce18b /synapse/http/federation
parentMerge branch 'social_login_hotfixes' into develop (diff)
downloadsynapse-b0f4119b8bc8ab2da6a6f5f6480da8a0b749c768.tar.xz
Add debug logging to DNS SRV requests. (#9305)
Diffstat (limited to 'synapse/http/federation')
-rw-r--r--synapse/http/federation/matrix_federation_agent.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/http/federation/matrix_federation_agent.py b/synapse/http/federation/matrix_federation_agent.py
index 4c06a117d3..113fd47134 100644
--- a/synapse/http/federation/matrix_federation_agent.py
+++ b/synapse/http/federation/matrix_federation_agent.py
@@ -323,12 +323,19 @@ class MatrixHostnameEndpoint:
         if port or _is_ip_literal(host):
             return [Server(host, port or 8448)]
 
+        logger.debug("Looking up SRV record for %s", host.decode(errors="replace"))
         server_list = await self._srv_resolver.resolve_service(b"_matrix._tcp." + host)
 
         if server_list:
+            logger.debug(
+                "Got %s from SRV lookup for %s",
+                ", ".join(map(str, server_list)),
+                host.decode(errors="replace"),
+            )
             return server_list
 
         # No SRV records, so we fallback to host and 8448
+        logger.debug("No SRV records for %s", host.decode(errors="replace"))
         return [Server(host, 8448)]