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repmgr: enable master register --force with node foreign key dependency

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Fixes GitHub #273
This commit is contained in:
Ian Barwick
2017-03-20 10:01:21 +09:00
parent 976a61005e
commit 1964f890be
1 changed files with 46 additions and 33 deletions
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79
repmgr.c
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@@ -1873,6 +1873,7 @@ do_master_register(void)
int primary_node_id = UNKNOWN_NODE_ID;
bool record_created;
t_node_info node_info = T_NODE_INFO_INITIALIZER;
conn = establish_db_connection(options.conninfo, true);
@@ -1945,42 +1946,54 @@ do_master_register(void)
exit(ERR_BAD_CONFIG);
}
/* Delete any existing record for this node if --force set */
if (runtime_options.force)
{
bool node_record_deleted;
t_node_info node_info = T_NODE_INFO_INITIALIZER;
begin_transaction(conn);
if (get_node_record(conn, options.cluster_name, options.node, &node_info))
{
log_notice(_("deleting existing master record with id %i\n"), options.node);
node_record_deleted = delete_node_record(conn,
options.node,
"master register");
if (node_record_deleted == false)
{
rollback_transaction(conn);
PQfinish(conn);
exit(ERR_BAD_CONFIG);
}
}
}
/* Now register the master */
record_created = create_node_record(conn,
"master register",
options.node,
"master",
NO_UPSTREAM_NODE,
options.cluster_name,
options.node_name,
options.conninfo,
options.priority,
repmgr_slot_name_ptr,
true);
begin_transaction(conn);
/*
* Check whether there's an existing record for this node, and
* update it if --force set
*/
if (get_node_record(conn, options.cluster_name, options.node, &node_info))
{
if (!runtime_options.force)
{
log_err(_("this node is already registered\n"));
log_hint(_("use -F/--force to overwrite the existing node record\n"));
rollback_transaction(conn);
PQfinish(conn);
exit(ERR_BAD_CONFIG);
}
record_created = update_node_record(conn,
"master register",
options.node,
"master",
NO_UPSTREAM_NODE,
options.cluster_name,
options.node_name,
options.conninfo,
options.priority,
repmgr_slot_name_ptr,
true);
}
else
{
/* Now register the master */
record_created = create_node_record(conn,
"master register",
options.node,
"master",
NO_UPSTREAM_NODE,
options.cluster_name,
options.node_name,
options.conninfo,
options.priority,
repmgr_slot_name_ptr,
true);
}
if (record_created == false)
{