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Merge pull request #23 from wamonite/fix_witness

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fix: witness creation and monitoring. 

On copy_configuration() we are using the res variable when is still used on the loop.
This commit is contained in:
Jaime2ndQuadrant
2014-10-29 18:44:53 -05:00
parent c23ee3830b 30045f3bec
commit 406c325ccb
2 changed files with 19 additions and 16 deletions
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33
repmgr.c
View File

@@ -2374,13 +2374,14 @@ static bool
copy_configuration(PGconn *masterconn, PGconn *witnessconn)
{
char sqlquery[MAXLEN];
PGresult *res;
PGresult *res1;
PGresult *res2;
int i;
sqlquery_snprintf(sqlquery, "TRUNCATE TABLE %s.repl_nodes", repmgr_schema);
log_debug("copy_configuration: %s\n", sqlquery);
res = PQexec(witnessconn, sqlquery);
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
res1 = PQexec(witnessconn, sqlquery);
if (!res1 || PQresultStatus(res1) != PGRES_COMMAND_OK)
{
fprintf(stderr, "Cannot clean node details in the witness, %s\n",
PQerrorMessage(witnessconn));
@@ -2389,33 +2390,35 @@ copy_configuration(PGconn *masterconn, PGconn *witnessconn)
sqlquery_snprintf(sqlquery, "SELECT id, name, conninfo, priority, witness FROM %s.repl_nodes",
repmgr_schema);
res = PQexec(masterconn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
res1 = PQexec(masterconn, sqlquery);
if (PQresultStatus(res1) != PGRES_TUPLES_OK)
{
fprintf(stderr, "Can't get configuration from master: %s\n",
PQerrorMessage(masterconn));
PQclear(res);
PQclear(res1);
return false;
}
for (i = 0; i < PQntuples(res); i++)
for (i = 0; i < PQntuples(res1); i++)
{
sqlquery_snprintf(sqlquery, "INSERT INTO %s.repl_nodes(id, cluster, name, conninfo, priority, witness) "
"VALUES (%d, '%s', '%s', '%s', %d, '%s')",
repmgr_schema, atoi(PQgetvalue(res, i, 0)),
options.cluster_name, PQgetvalue(res, i, 1),
PQgetvalue(res, i, 2),
atoi(PQgetvalue(res, i, 3)),
PQgetvalue(res, i, 4));
repmgr_schema, atoi(PQgetvalue(res1, i, 0)),
options.cluster_name, PQgetvalue(res1, i, 1),
PQgetvalue(res1, i, 2),
atoi(PQgetvalue(res1, i, 3)),
PQgetvalue(res1, i, 4));
res = PQexec(witnessconn, sqlquery);
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
res2 = PQexec(witnessconn, sqlquery);
if (!res2 || PQresultStatus(res2) != PGRES_COMMAND_OK)
{
fprintf(stderr, "Cannot copy configuration to witness, %s\n",
PQerrorMessage(witnessconn));
PQclear(res);
PQclear(res2);
return false;
}
PQclear(res2);
}
PQclear(res1);
return true;
}

2
repmgrd.c
View File

@@ -551,7 +551,7 @@ witness_monitor(void)
sqlquery_snprintf(sqlquery,
"INSERT INTO %s.repl_monitor "
"VALUES(%d, %d, '%s'::timestamp with time zone, "
" pg_current_xlog_location(), null, "
" null, pg_current_xlog_location(), null, "
" 0, 0)",
repmgr_schema, primary_options.node, local_options.node,
monitor_witness_timestamp);