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repmgr: ensure data directory defaults to that of the source node

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As long as -D/--pgdata is not supplied, and barman mode is not used
for cloning.
This commit is contained in:
Ian Barwick
2016-10-17 15:38:12 +09:00
parent 50119056a5
commit 96c14adfdb
1 changed files with 41 additions and 30 deletions
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71
repmgr.c
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@@ -2516,9 +2516,14 @@ do_standby_clone(void)
/*
* If dest_dir (-D/--pgdata) was provided, this will become the new data
* directory (otherwise repmgr will default to using the same directory
* path as on the source host)
* path as on the source host).
*
* Note that barman mode requires -D/--pgdata.
*
* If -D/--pgdata is not supplied, and we're not cloning from barman,
* the source host's data directory will be fetched later, after
* we've connected to it.
*/
if (runtime_options.dest_dir[0])
{
target_directory_provided = true;
@@ -2541,26 +2546,7 @@ do_standby_clone(void)
{
strncpy(local_data_directory, runtime_options.dest_dir, MAXPGPATH);
}
/*
* Otherwise use the same data directory as on the remote host
*/
else
{
strncpy(local_data_directory, master_data_directory, MAXPGPATH);
log_notice(_("setting data directory to: %s\n"), local_data_directory);
log_hint(_("use -D/--data-dir to explicitly specify a data directory\n"));
}
/* Check the local data directory can be used */
if (!create_pg_dir(local_data_directory, runtime_options.force))
{
log_err(_("unable to use directory %s ...\n"),
local_data_directory);
log_hint(_("use -F/--force option to force this directory to be overwritten\n"));
exit(ERR_BAD_CONFIG);
}
/*
* Initialise list of conninfo parameters which will later be used
@@ -2633,7 +2619,7 @@ do_standby_clone(void)
if (!create_pg_dir(local_repmgr_directory, runtime_options.force))
{
log_err(_("unable to use directory %s ...\n"),
log_err(_("unable to use directory \"%s\" ...\n"),
local_repmgr_directory);
log_hint(_("use -F/--force option to force this directory to be overwritten\n"));
@@ -2732,6 +2718,28 @@ do_standby_clone(void)
primary_conn = source_conn;
}
/* Fetch the source's data directory */
if (get_pg_setting(source_conn, "data_directory", master_data_directory) == false)
{
log_err(_("Unable to retrieve upstream node's data directory\n"));
log_hint(_("STANDBY CLONE must be run as a database superuser"));
PQfinish(source_conn);
exit(ERR_BAD_CONFIG);
}
/*
* If no target directory was explicitly provided, we'll default to
* the same directory as on the source host.
*/
if (target_directory_provided == false)
{
strncpy(local_data_directory, master_data_directory, MAXPGPATH);
log_notice(_("setting data directory to: \"%s\"\n"), local_data_directory);
log_hint(_("use -D/--data-dir to explicitly specify a data directory\n"));
}
/*
* Copy the source connection so that we have some default values,
* particularly stuff like passwords extracted from PGPASSFILE;
@@ -2892,6 +2900,17 @@ do_standby_clone(void)
}
}
/* Check the destination data directory can be used */
if (!create_pg_dir(local_data_directory, runtime_options.force))
{
log_err(_("unable to use directory %s ...\n"),
local_data_directory);
log_hint(_("use -F/--force option to force this directory to be overwritten\n"));
exit(ERR_BAD_CONFIG);
}
if (mode != barman)
{
/*
@@ -2943,14 +2962,6 @@ do_standby_clone(void)
}
}
if (get_pg_setting(source_conn, "data_directory", master_data_directory) == false)
{
log_err(_("Unable to retrieve upstream node's data directory\n"));
log_hint(_("STANDBY CLONE must be run as a database superuser"));
exit(ERR_BAD_CONFIG);
}
/*
* Obtain configuration file locations
* We'll check to see whether the configuration files are in the data