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Merge branch '2.2' into develop

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This commit is contained in:
Markus Mäkelä
2018-04-03 11:01:06 +03:00
parent 3da5b535c8 9291815bcd
commit 9f256f50eb
17 changed files with 180 additions and 65 deletions
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69
server/modules/monitor/galeramon/galeramon.c
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@ -260,6 +260,41 @@ static json_t* diagnostics_json(const MXS_MONITOR *mon)
return rval;
}
static bool using_xtrabackup(MXS_MONITORED_SERVER *database, const char* server_string)
{
bool rval = false;
MYSQL_RES* result;
if (mxs_mysql_query(database->con, "SHOW VARIABLES LIKE 'wsrep_sst_method'") == 0
&& (result = mysql_store_result(database->con)) != NULL)
{
if (mysql_field_count(database->con) < 2)
{
mysql_free_result(result);
MXS_ERROR("Unexpected result for \"SHOW VARIABLES LIKE "
"'wsrep_sst_method'\". Expected 2 columns."
" MySQL Version: %s", server_string);
}
MYSQL_ROW row;
while ((row = mysql_fetch_row(result)))
{
if (row[1] && strncmp(row[1], "xtrabackup", 10) == 0)
{
rval = true;
}
}
mysql_free_result(result);
}
else
{
mon_report_query_error(database);
}
return rval;
}
/**
* Monitor an individual server. Does not deal with the setting of master or
* slave bits, except for clearing them when a server is not joined to the
@ -273,8 +308,7 @@ monitorDatabase(MXS_MONITOR *mon, MXS_MONITORED_SERVER *database)
{
GALERA_MONITOR* handle = (GALERA_MONITOR*) mon->handle;
MYSQL_ROW row;
MYSQL_RES *result, *result2;
int isjoined = 0;
MYSQL_RES *result;
char *server_string;
/* Don't even probe server flagged as in maintenance */
@ -364,6 +398,8 @@ monitorDatabase(MXS_MONITOR *mon, MXS_MONITORED_SERVER *database)
info.local_index = local_index;
}
ss_dassert(row[0] && row[1]);
if (strcmp(row[0], "wsrep_local_state") == 0)
{
if (strcmp(row[1], "4") == 0)
@ -371,33 +407,10 @@ monitorDatabase(MXS_MONITOR *mon, MXS_MONITORED_SERVER *database)
info.joined = 1;
}
/* Check if the node is a donor and is using xtrabackup, in this case it can stay alive */
else if (strcmp(row[1], "2") == 0 && handle->availableWhenDonor == 1)
else if (strcmp(row[1], "2") == 0 && handle->availableWhenDonor == 1 &&
using_xtrabackup(database, server_string))
{
if (mxs_mysql_query(database->con, "SHOW VARIABLES LIKE 'wsrep_sst_method'") == 0
&& (result2 = mysql_store_result(database->con)) != NULL)
{
if (mysql_field_count(database->con) < 2)
{
mysql_free_result(result);
mysql_free_result(result2);
MXS_ERROR("Unexpected result for \"SHOW VARIABLES LIKE "
"'wsrep_sst_method'\". Expected 2 columns."
" MySQL Version: %s", server_string);
return;
}
while ((row = mysql_fetch_row(result2)))
{
if (strncmp(row[1], "xtrabackup", 10) == 0)
{
info.joined = 1;
}
}
mysql_free_result(result2);
}
else
{
mon_report_query_error(database);
}
info.joined = 1;
}
else
{