Minor improvements in mtr and wsrep test files.

mysql-test/include/galera_init.inc

@@ -11,6 +11,7 @@
 #   Number of nodes in the cluster.
 #
 
+--source include/have_wsrep_provider.inc
 --source include/have_wsrep_enabled.inc
 
 --let $_galera_node= $galera_cluster_size

mysql-test/include/have_wsrep_enabled.inc

@@ -3,7 +3,7 @@
 
 --source include/have_wsrep.inc
 
---require r/have_wsrep.require
+--require r/have_wsrep_on.require
 disable_query_log;
 SHOW VARIABLES LIKE 'wsrep_on';
 enable_query_log;

mysql-test/include/have_wsrep_provider.inc

@@ -0,0 +1,6 @@
+if (`SELECT COUNT(*)=0 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE
+    VARIABLE_NAME LIKE 'wsrep_provider' AND VARIABLE_VALUE NOT LIKE 'none'`)
+{
+  --skip Test requires wsrep provider library (libgalera_smm.so)
+}
+

mysql-test/include/wait_until_ready.inc

@@ -0,0 +1,34 @@
+# If wsrep patch is enabled, wait for a minute until node is ready.
+# Note: include/wait_for_status_var.inc cannot be used here, as server rejects
+# all commands except SHOW & SET until its ready. (see wsrep_ready status
+# variable)
+
+--disable_result_log
+--disable_query_log
+--enable_reconnect
+
+let $counter= 600;
+
+# Check if wsrep_ready status variable exists.
+if (`SHOW STATUS LIKE 'wsrep_ready'`)
+{
+  let $wsrep_ready= query_get_value("SHOW STATUS LIKE 'wsrep_ready'", Value, 1);
+
+  while ($wsrep_ready == 'OFF')
+  {
+    if (!$counter)
+    {
+      echo ===============================================;
+      echo Node still not ready after a minute, giving up!;
+      echo ===============================================;
+      die;
+    }
+    dec $counter;
+    sleep 0.1;
+    let $wsrep_ready= query_get_value("SHOW STATUS LIKE 'wsrep_ready'", Value, 1);
+  }
+}
+
+--disable_reconnect
+--enable_query_log
+--enable_result_log

mysql-test/mysql-test-run.pl

@@ -135,7 +135,6 @@ my $opt_start;
 my $opt_start_dirty;
 my $opt_start_exit;
 my $start_only;
-my $file_wsrep_provider;
 
 END {
   if ( defined $opt_tmpdir_pid and $opt_tmpdir_pid == $$ )
@@ -2399,24 +2398,6 @@ sub environment_setup {
     $ENV{'NDB_EXAMPLES_OUTPUT'}=      $path_ndb_testrun_log;
   }
 
-  # ----------------------------------------------------
-  # Setup env for wsrep
-  # ----------------------------------------------------
-  if (have_wsrep()) {
-    if (defined $ENV{'WSREP_PROVIDER'} ) {
-      # Nothing needs to be done! WSREP_PROVIDER env is already set & checked;
-      # will be used.
-    } else {
-      $ENV{'WSREP_PROVIDER'}=  $file_wsrep_provider;
-    }
-
-    if ($ENV{'WSREP_PROVIDER'} ne "") {
-      mtr_verbose("WSREP_PROVIDER set to $ENV{'WSREP_PROVIDER'}");
-    } else {
-      mtr_verbose("WSREP_PROVIDER isn't available");
-    }
-  }
-
   # ----------------------------------------------------
   # mysql clients
   # ----------------------------------------------------
@@ -3199,32 +3180,38 @@ sub have_wsrep() {
   return defined $wsrep_on
 }
 
-sub check_wsrep_provider_env {
-  if (defined $ENV{'WSREP_PROVIDER'}) {
-      if (mtr_file_exists($ENV{'WSREP_PROVIDER'}) eq "") {
-        mtr_error("WSREP_PROVIDER env set to an invalid path");
-        return 0; # error
-      }
-      # Ok, WSREP_PROVIDER set to a valid path.
-      return 1;
-  }
-  # Ok, WSREP_PROVIDER not defined.
-  return 2;
-}
-
 sub check_wsrep_support() {
   if (have_wsrep())
   {
     mtr_report(" - binaries built with wsrep patch");
 
-    $file_wsrep_provider=
-      mtr_file_exists("/usr/lib/galera/libgalera_smm.so",
-                      "/usr/lib64/galera/libgalera_smm.so");
+    # Add galera test suites
+    mtr_report(" - adding wsrep, galera to default test suites");
+    push @DEFAULT_SUITES, qw(wsrep galera);
 
-    if ((check_wsrep_provider_env() == 1) || ($file_wsrep_provider ne "")) {
-      # Add galera test suites
-      mtr_report(" - adding wsrep, galera to default test suites");
-      push @DEFAULT_SUITES, qw(wsrep galera);
+    # Check whether WSREP_PROVIDER environment variable is set.
+    if (defined $ENV{'WSREP_PROVIDER'}) {
+      if ((mtr_file_exists($ENV{'WSREP_PROVIDER'}) eq "")  &&
+          ($ENV{'WSREP_PROVIDER'} ne "none")) {
+        mtr_error("WSREP_PROVIDER env set to an invalid path");
+      }
+      # WSREP_PROVIDER is valid; set to a valid path or "none").
+      mtr_verbose("WSREP_PROVIDER env set to $ENV{'WSREP_PROVIDER'}");
+    } else {
+      # WSREP_PROVIDER env not defined. Lets try to locate the wsrep provider
+      # library.
+      my $file_wsrep_provider=
+        mtr_file_exists("/usr/lib/galera/libgalera_smm.so",
+                        "/usr/lib64/galera/libgalera_smm.so");
+
+      if ($file_wsrep_provider ne "") {
+        # wsrep provider library found !
+        mtr_verbose("wsrep provider library found : $file_wsrep_provider");
+        $ENV{'WSREP_PROVIDER'}= $file_wsrep_provider;
+      } else {
+        mtr_verbose("Could not find wsrep provider library, setting it to 'none'");
+        $ENV{'WSREP_PROVIDER'}= "none";
+      }
     }
   }
 }

mysql-test/suite/wsrep/t/binlog_format.test

@@ -1,4 +1,4 @@
---source include/have_wsrep_enabled.inc
+--source include/have_wsrep_provider.inc
 --source include/have_binlog_format_row.inc
 #
 # MDEV-4227: Galera server should stop crashing on setting binlog_format STATEMENT