From 6b9ce1956b880e18bf3b9c5a17257b6d6064e222 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathieu=20Border=C3=A9?= <mathieu.bordere@canonical.com>
Date: Wed, 28 Jun 2023 16:57:54 +0200
Subject: [PATCH] more debug logs

---
 src/client.c      | 1 +
 src/membership.c  | 1 +
 src/replication.c | 2 ++
 src/start.c       | 1 +
 4 files changed, 5 insertions(+)

diff --git a/src/client.c b/src/client.c
index 93186a773..1923c54aa 100644
--- a/src/client.c
+++ b/src/client.c
@@ -155,6 +155,7 @@ static int clientChangeConfiguration(
         goto err_after_log_append;
     }
 
+    tracef("set configuration_uncommitted_index to %llu", index);
     r->configuration_uncommitted_index = index;
 
     return 0;
diff --git a/src/membership.c b/src/membership.c
index 624f19d26..afb2e12fe 100644
--- a/src/membership.c
+++ b/src/membership.c
@@ -169,6 +169,7 @@ int membershipUncommittedChange(struct raft *r,
 
     r->configuration = configuration;
     r->configuration_uncommitted_index = index;
+    tracef("set configuration_uncommitted_index to %llu", index);
 
     return 0;
 
diff --git a/src/replication.c b/src/replication.c
index e5d0356ed..0902af625 100644
--- a/src/replication.c
+++ b/src/replication.c
@@ -657,6 +657,7 @@ static int triggerActualPromotion(struct raft *r)
 
     r->leader_state.promotee_id = 0;
     r->configuration_uncommitted_index = logLastIndex(r->log);
+    tracef("configuration_uncommitted_index is %llu", r->configuration_uncommitted_index);
 
     return 0;
 
@@ -1019,6 +1020,7 @@ static int deleteConflictingEntries(struct raft *r,
 
             /* Possibly discard uncommitted configuration changes. */
             if (r->configuration_uncommitted_index >= entry_index) {
+                tracef("pre rollback: %llu >= %llu", r->configuration_uncommitted_index, entry_index);
                 rv = membershipRollback(r);
                 if (rv != 0) {
                     return rv;
diff --git a/src/start.c b/src/start.c
index f9a0bdc1a..1d2f8657f 100644
--- a/src/start.c
+++ b/src/start.c
@@ -93,6 +93,7 @@ static int restoreEntries(struct raft *r,
             }
             conf = entry;
             conf_index = r->last_stored;
+            tracef("another configuration at index %llu", conf_index);
         }
     }