From d16f9dad57d9dae587b6a267fbd250c1ff3a2a20 Mon Sep 17 00:00:00 2001
From: Damien Ciabrini <dciabrin@redhat.com>
Date: Fri, 18 Nov 2016 09:43:29 +0100
Subject: [PATCH] galera: prevent promote right after demote

---
 heartbeat/galera | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/heartbeat/galera b/heartbeat/galera
index 543200d..66d5ad8 100755
--- a/heartbeat/galera
+++ b/heartbeat/galera
@@ -764,6 +764,13 @@ galera_demote()
     clear_sync_needed
     clear_no_grastate
 
+    # Clear master score here rather than letting pacemaker do so once
+    # demote finishes. This way a promote cannot take place right
+    # after this demote even if pacemaker is requested to do so. It
+    # will first have to run a start/monitor op, to reprobe the state
+    # of the other galera nodes and act accordingly.
+    clear_master_score
+
     # record last commit for next promotion
     detect_last_commit
     rc=$?