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"standby clone": improve replication user selection

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Use the upstream node's replication user when checking the replication
connection.
This commit is contained in:
Ian Barwick
2018-03-02 16:17:14 +09:00
parent 6fbbe2a97a
commit c29d1efc37
2 changed files with 22 additions and 10 deletions
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30
repmgr-action-standby.c
View File

@@ -129,7 +129,7 @@ do_standby_clone(void)
int r = 0; int r = 0;
/* dummy node record */ /* dummy node record */
t_node_info node_record = T_NODE_INFO_INITIALIZER; t_node_info local_node_record = T_NODE_INFO_INITIALIZER;
/* /*
* --recovery-conf-only provided - we'll handle that separately * --recovery-conf-only provided - we'll handle that separately
@@ -186,8 +186,8 @@ do_standby_clone(void)
check_barman_config(); check_barman_config();
} }
init_node_record(&node_record); init_node_record(&local_node_record);
node_record.type = STANDBY; local_node_record.type = STANDBY;
/* /*
* Initialise list of conninfo parameters which will later be used to * Initialise list of conninfo parameters which will later be used to
@@ -530,7 +530,7 @@ do_standby_clone(void)
if (mode != barman) if (mode != barman)
{ {
initialise_direct_clone(&node_record); initialise_direct_clone(&local_node_record);
} }
switch (mode) switch (mode)
@@ -557,10 +557,10 @@ do_standby_clone(void)
switch (mode) switch (mode)
{ {
case pg_basebackup: case pg_basebackup:
r = run_basebackup(&node_record); r = run_basebackup(&local_node_record);
break; break;
case barman: case barman:
r = run_file_backup(&node_record); r = run_file_backup(&local_node_record);
break; break;
default: default:
/* should never reach here */ /* should never reach here */
@@ -574,7 +574,7 @@ do_standby_clone(void)
/* If a replication slot was previously created, drop it */ /* If a replication slot was previously created, drop it */
if (config_file_options.use_replication_slots == true) if (config_file_options.use_replication_slots == true)
{ {
drop_replication_slot(source_conn, node_record.slot_name); drop_replication_slot(source_conn, local_node_record.slot_name);
} }
log_error(_("unable to take a base backup of the primary server")); log_error(_("unable to take a base backup of the primary server"));
@@ -601,7 +601,7 @@ do_standby_clone(void)
/* Write the recovery.conf file */ /* Write the recovery.conf file */
if (create_recovery_file(&node_record, &recovery_conninfo, local_data_directory, true) == false) if (create_recovery_file(&local_node_record, &recovery_conninfo, local_data_directory, true) == false)
{ {
/* create_recovery_file() will log an error */ /* create_recovery_file() will log an error */
log_notice(_("unable to create recovery.conf; see preceding error messages")); log_notice(_("unable to create recovery.conf; see preceding error messages"));
@@ -4389,6 +4389,10 @@ check_upstream_config(PGconn *conn, int server_version_num, t_node_info *node_in
{ {
param_set(&repl_conninfo, "user", runtime_options.replication_user); param_set(&repl_conninfo, "user", runtime_options.replication_user);
} }
else if (upstream_repluser[0] != '\0')
{
param_set(&repl_conninfo, "user", upstream_repluser);
}
else if (node_info->repluser[0] != '\0') else if (node_info->repluser[0] != '\0')
{ {
param_set(&repl_conninfo, "user", node_info->repluser); param_set(&repl_conninfo, "user", node_info->repluser);
@@ -4659,10 +4663,14 @@ run_basebackup(t_node_info *node_record)
/* string will already have been parsed */ /* string will already have been parsed */
(void) parse_conninfo_string(runtime_options.dbname, &conninfo, NULL, false); (void) parse_conninfo_string(runtime_options.dbname, &conninfo, NULL, false);
if (*runtime_options.replication_user) if (runtime_options.replication_user[0] != '\0')
{ {
param_set(&conninfo, "user", runtime_options.replication_user); param_set(&conninfo, "user", runtime_options.replication_user);
} }
else if (upstream_repluser[0] != '\0')
{
param_set(&conninfo, "user", upstream_repluser);
}
else else
{ {
param_set(&conninfo, "user", node_record->repluser); param_set(&conninfo, "user", node_record->repluser);
@@ -4695,6 +4703,10 @@ run_basebackup(t_node_info *node_record)
{ {
appendPQExpBuffer(&params, " -U %s", runtime_options.replication_user); appendPQExpBuffer(&params, " -U %s", runtime_options.replication_user);
} }
else if (strlen(upstream_repluser))
{
appendPQExpBuffer(&params, " -U %s", upstream_repluser);
}
else if (strlen(node_record->repluser)) else if (strlen(node_record->repluser))
{ {
appendPQExpBuffer(&params, " -U %s", node_record->repluser); appendPQExpBuffer(&params, " -U %s", node_record->repluser);

2
repmgr-client.c
View File

@@ -2716,7 +2716,7 @@ init_node_record(t_node_info *node_record)
if (config_file_options.replication_user[0] != '\0') if (config_file_options.replication_user[0] != '\0')
{ {
/* replication user explicitly provided */ /* replication user explicitly provided in configuration file */
strncpy(node_record->repluser, config_file_options.replication_user, NAMEDATALEN); strncpy(node_record->repluser, config_file_options.replication_user, NAMEDATALEN);
} }
else else