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Add "repmgr cluster show"

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This commit is contained in:
Ian Barwick
2017-07-19 17:36:21 +09:00
parent d3776ad13e
commit 49ac9cf9ca
8 changed files with 225 additions and 25 deletions
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79
dbutils.c
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@@ -1298,6 +1298,9 @@ _populate_node_record(PGresult *res, t_node_info *node_info, int row)
node_info->priority = atoi(PQgetvalue(res, row, 8));
node_info->active = atobool(PQgetvalue(res, row, 9));
/* This won't normally be set */
strncpy(node_info->upstream_node_name, PQgetvalue(res, row, 10), MAXLEN);
/* Set remaining struct fields with default values */
node_info->node_status = NODE_STATUS_UNKNOWN;
node_info->last_wal_receive_lsn = InvalidXLogRecPtr;
@@ -1354,7 +1357,7 @@ get_node_record(PGconn *conn, int node_id, t_node_info *node_info)
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
"SELECT node_id, type, upstream_node_id, node_name, conninfo, repluser, slot_name, location, priority, active"
"SELECT " REPMGR_NODES_COLUMNS
" FROM repmgr.nodes "
" WHERE node_id = %i",
node_id);
@@ -1382,7 +1385,7 @@ get_node_record_by_name(PGconn *conn, const char *node_name, t_node_info *node_i
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
"SELECT node_id, type, upstream_node_id, node_name, conninfo, repluser, slot_name, location, priority, active"
"SELECT " REPMGR_NODES_COLUMNS
" FROM repmgr.nodes "
" WHERE node_name = '%s' ",
node_name);
@@ -1507,10 +1510,11 @@ get_all_node_records(PGconn *conn, NodeInfoList *node_list)
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
" SELECT node_id, type, upstream_node_id, node_name, conninfo, repluser, slot_name, location, priority, active"
" FROM repmgr.nodes "
"ORDER BY node_id ");
appendPQExpBuffer(
&query,
" SELECT " REPMGR_NODES_COLUMNS
" FROM repmgr.nodes "
"ORDER BY node_id ");
log_verbose(LOG_DEBUG, "get_all_node_records():\n%s", query.data);
@@ -1533,12 +1537,13 @@ get_downstream_node_records(PGconn *conn, int node_id, NodeInfoList *node_list)
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
" SELECT node_id, type, upstream_node_id, node_name, conninfo, repluser, slot_name, location, priority, active"
" FROM repmgr.nodes "
" WHERE upstream_node_id = %i "
"ORDER BY node_id ",
node_id);
appendPQExpBuffer(
&query,
" SELECT " REPMGR_NODES_COLUMNS
" FROM repmgr.nodes "
" WHERE upstream_node_id = %i "
"ORDER BY node_id ",
node_id);
log_verbose(LOG_DEBUG, "get_downstream_node_records():\n%s", query.data);
@@ -1562,15 +1567,16 @@ get_active_sibling_node_records(PGconn *conn, int node_id, int upstream_node_id,
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
" SELECT node_id, type, upstream_node_id, node_name, conninfo, repluser, slot_name, location, priority, active"
" FROM repmgr.nodes "
" WHERE upstream_node_id = %i "
" AND node_id != %i "
" AND active IS TRUE "
"ORDER BY node_id ",
upstream_node_id,
node_id);
appendPQExpBuffer(
&query,
" SELECT " REPMGR_NODES_COLUMNS
" FROM repmgr.nodes "
" WHERE upstream_node_id = %i "
" AND node_id != %i "
" AND active IS TRUE "
"ORDER BY node_id ",
upstream_node_id,
node_id);
log_verbose(LOG_DEBUG, "get_active_sibling_node_records():\n%s", query.data);
@@ -1596,7 +1602,7 @@ get_node_records_by_priority(PGconn *conn, NodeInfoList *node_list)
appendPQExpBuffer(
&query,
" SELECT node_id, type, upstream_node_id, node_name, conninfo, repluser, slot_name, location, priority, active"
" SELECT " REPMGR_NODES_COLUMNS
" FROM repmgr.nodes "
"ORDER BY priority DESC, node_name ");
@@ -1613,6 +1619,35 @@ get_node_records_by_priority(PGconn *conn, NodeInfoList *node_list)
return;
}
void
get_all_node_records_with_upstream(PGconn *conn, NodeInfoList *node_list)
{
PQExpBufferData query;
PGresult *res;
initPQExpBuffer(&query);
appendPQExpBuffer(
&query,
" SELECT n.node_id, n.type, n.upstream_node_id, n.node_name, n.conninfo, n.repluser, "
" n.slot_name, n.location, n.priority, n.active, un.node_name AS upstream_node_name "
" FROM repmgr.nodes n "
" LEFT JOIN nodes un "
" ON un.node_id = n.upstream_node_id"
" ORDER BY n.node_id ");
log_verbose(LOG_DEBUG, "get_all_node_records_with_upstream():\n%s", query.data);
res = PQexec(conn, query.data);
termPQExpBuffer(&query);
_populate_node_records(res, node_list);
return;
}
bool
create_node_record(PGconn *conn, char *repmgr_action, t_node_info *node_info)