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repmgr: consolidate error messages during replication slot generation

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Return error messages to the called so they can be logged as events;
prevent log message duplication in one case.
This commit is contained in:
Ian Barwick
2016-09-20 09:16:33 +09:00
parent 036c59526a
commit 3e51a85e07
3 changed files with 35 additions and 20 deletions
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21
dbutils.c
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@@ -945,7 +945,7 @@ get_repmgr_schema_quoted(PGconn *conn)
bool
create_replication_slot(PGconn *conn, char *slot_name, int server_version_num)
create_replication_slot(PGconn *conn, char *slot_name, int server_version_num, PQExpBufferData *error_msg)
{
char sqlquery[QUERY_STR_LEN];
int query_res;
@@ -964,8 +964,9 @@ create_replication_slot(PGconn *conn, char *slot_name, int server_version_num)
{
if (strcmp(slot_info.slot_type, "physical") != 0)
{
log_err(_("Slot '%s' exists and is not a physical slot\n"),
slot_name);
appendPQExpBuffer(error_msg,
_("Slot '%s' exists and is not a physical slot\n"),
slot_name);
return false;
}
@@ -977,8 +978,9 @@ create_replication_slot(PGconn *conn, char *slot_name, int server_version_num)
return true;
}
log_err(_("Slot '%s' already exists as an active slot\n"),
slot_name);
appendPQExpBuffer(error_msg,
_("Slot '%s' already exists as an active slot\n"),
slot_name);
return false;
}
@@ -996,15 +998,16 @@ create_replication_slot(PGconn *conn, char *slot_name, int server_version_num)
slot_name);
}
log_debug(_("create_replication_slot(): Creating slot '%s' on primary\n"), slot_name);
log_debug(_("create_replication_slot(): Creating slot '%s' on master\n"), slot_name);
log_verbose(LOG_DEBUG, "create_replication_slot():\n%s\n", sqlquery);
res = PQexec(conn, sqlquery);
if (!res || PQresultStatus(res) != PGRES_TUPLES_OK)
{
log_err(_("unable to create slot '%s' on the primary node: %s\n"),
slot_name,
PQerrorMessage(conn));
appendPQExpBuffer(error_msg,
_("unable to create slot '%s' on the master node: %s\n"),
slot_name,
PQerrorMessage(conn));
PQclear(res);
return false;
}