resource-agents/bz2179003-mysql-1-replication-fixes.patch

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From 706b48fd93a75a582c538013aea1418b6ed69dd0 Mon Sep 17 00:00:00 2001
From: Oyvind Albrigtsen <oalbrigt@redhat.com>
Date: Thu, 9 Mar 2023 15:57:59 +0100
Subject: [PATCH] mysql: promotable fixes to avoid nodes getting bounced around
by setting -v 1/-v 2, and added OCF_CHECK_LEVEL=10 for promotable resources
to be able to distinguish between promoted and not
---
heartbeat/mysql | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/heartbeat/mysql b/heartbeat/mysql
index 9ab49ab20e..29ed427319 100755
--- a/heartbeat/mysql
+++ b/heartbeat/mysql
@@ -757,6 +757,10 @@ mysql_monitor() {
status_loglevel="info"
fi
+ if ocf_is_ms; then
+ OCF_CHECK_LEVEL=10
+ fi
+
mysql_common_status $status_loglevel
rc=$?
@@ -777,7 +781,13 @@ mysql_monitor() {
return $rc
fi
- if [ $OCF_CHECK_LEVEL -gt 0 -a -n "$OCF_RESKEY_test_table" ]; then
+ if [ $OCF_CHECK_LEVEL -eq 10 ]; then
+ if [ -z "$OCF_RESKEY_test_table" ]; then
+ ocf_exit_reason "test_table not set"
+ return $OCF_ERR_CONFIGURED
+
+ fi
+
# Check if this instance is configured as a slave, and if so
# check slave status
if is_slave; then
@@ -795,18 +805,16 @@ mysql_monitor() {
ocf_exit_reason "Failed to select from $test_table";
return $OCF_ERR_GENERIC;
fi
- else
- # In case no exnteded tests are enabled and we are in master/slave mode _always_ set the master score to 1 if we reached this point
- ocf_is_ms && $CRM_MASTER -v 1
fi
if ocf_is_ms && ! get_read_only; then
ocf_log debug "MySQL monitor succeeded (master)";
# Always set master score for the master
- $CRM_MASTER -v 2
+ $CRM_MASTER -v $((${OCF_RESKEY_max_slave_lag}+1))
return $OCF_RUNNING_MASTER
else
ocf_log debug "MySQL monitor succeeded";
+ ocf_is_ms && $CRM_MASTER -v 1
return $OCF_SUCCESS
fi
}
@@ -873,7 +881,6 @@ mysql_start() {
# preference set by the administrator. We choose a low
# greater-than-zero preference.
$CRM_MASTER -v 1
-
fi
# Initial monitor action