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Cascading replication support for Barman mode

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If upstream_node is specified, we point the standby to that node;
otherwise we point it to the current primary node.
This commit is contained in:
Gianni Ciolli
2016-08-18 13:29:20 +02:00
committed by Ian Barwick
parent 135fa2e1b9
commit c0eea90402
1 changed files with 13 additions and 2 deletions
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15
repmgr.c
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@@ -5172,16 +5172,27 @@ create_recovery_file(const char *data_dir, PGconn *primary_conn, const char *con
if (primary_conn == NULL) if (primary_conn == NULL)
{ {
char buf[MAXLEN]; char buf[MAXLEN];
char where_condition[MAXLEN];
PQExpBufferData command_output; PQExpBufferData command_output;
switch(options.upstream_node)
{
case NO_UPSTREAM_NODE:
maxlen_snprintf(where_condition, "type='master'");
default:
maxlen_snprintf(where_condition, "id=%d", options.upstream_node);
}
initPQExpBuffer(&command_output); initPQExpBuffer(&command_output);
maxlen_snprintf(buf, maxlen_snprintf(buf,
"ssh %s \"psql -Aqt \\\"%s\\\" -c \\\"" "ssh %s \"psql -Aqt \\\"%s\\\" -c \\\""
" SELECT conninfo" " SELECT conninfo"
" FROM repmgr_%s.repl_nodes" " FROM repmgr_%s.repl_nodes"
" WHERE type='master'" " WHERE %s"
" AND active" " AND active"
"\\\"\"", options.barman_server, conninfo_on_barman, options.cluster_name); "\\\"\"",
options.barman_server, conninfo_on_barman,
options.cluster_name, where_condition);
(void)local_command(buf, &command_output); (void)local_command(buf, &command_output);
maxlen_snprintf(buf, "%s", command_output.data); maxlen_snprintf(buf, "%s", command_output.data);
string_remove_trailing_newlines(buf); string_remove_trailing_newlines(buf);