MDEV-25978 : rsync SST does not work with custom binlog name

wsrep_sst_common did not correctly set name for binlog index
file if custom binlog name was used and this name was
not added to script command line.

Added test case for both log_basename and log_binlog.

1 files changed, 6 insertions, 5 deletions

diff --git a/scripts/wsrep_sst_common.sh b/scripts/wsrep_sst_common.sh
index 4dedecb439f..bb9a3b9f1b6 100644
--- a/scripts/wsrep_sst_common.sh
+++ b/scripts/wsrep_sst_common.sh
@@ -465,8 +465,9 @@ if [ -z "$WSREP_SST_OPT_BINLOG" -a -n "${MYSQLD_OPT_LOG_BIN+x}" ]; then
         # the "-bin" suffix:
         readonly WSREP_SST_OPT_BINLOG="$WSREP_SST_OPT_LOG_BASENAME-bin"
     else
-        # Take the default name:
-        readonly WSREP_SST_OPT_BINLOG='mysql-bin'
+        # the default name, note that base of this name
+        # is already defined above
+        readonly WSREP_SST_OPT_BINLOG_INDEX="$WSREP_SST_OPT_BINLOG.index"
     fi
 fi
 
@@ -549,9 +550,9 @@ get_binlog()
                 # the "-bin" suffix:
                 readonly WSREP_SST_OPT_BINLOG_INDEX="$WSREP_SST_OPT_LOG_BASENAME-bin.index"
             else
-                # If the base name not specified, then we take
-                # the default name:
-                readonly WSREP_SST_OPT_BINLOG_INDEX='mysql-bin.index'
+                # the default name, note that base of this name
+                # is already defined above
+                readonly WSREP_SST_OPT_BINLOG_INDEX="$WSREP_SST_OPT_BINLOG.index"
             fi
         fi
     fi