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Add test_ssh_connection

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The feature was written by Jaime and reworked by me to fix
https://github.com/greg2ndQuadrant/repmgr/issues/5
This commit is contained in:
Cédric Villemain
2011-05-09 22:39:21 +02:00
committed by Jaime Casanova
parent 17a160e970
commit 6e9e4e05ae
2 changed files with 29 additions and 0 deletions
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1
HISTORY
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@@ -37,6 +37,7 @@
Improve performance of repl_status view (Jaime)
1.2.0 2012-04-28
Test ssh connection before trying to rsync (Cédric)
Add CLUSTER SHOW command (Carlo Ascani)
Add CLUSTER CLEANUP command (Jaime)
Add function write_primary_conninfo (Marco Nenciarini)

28
repmgr.c
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@@ -50,6 +50,7 @@
static void help(const char *progname);
static bool create_recovery_file(const char *data_dir, char *master_conninfo);
static int test_ssh_connection(char *host, char *remote_user);
static int copy_remote_files(char *host, char *remote_user, char *remote_path,
char *local_path, bool is_directory);
static bool check_parameters_for_action(const int action);
@@ -1007,6 +1008,15 @@ do_standby_clone(void)
}
}
r = test_ssh_connection(runtime_options.host, runtime_options.remote_user);
if (r != 0)
{
log_err(_("%s: Aborting, remote host %s is not reachable.\n"), progname, runtime_options.host);
PQclear(res);
PQfinish(conn);
exit(ERR_DB_CON);
}
log_notice("Starting backup...\n");
/* Get the data directory full path and the configuration files location */
@@ -1564,6 +1574,24 @@ create_recovery_file(const char *data_dir, char *master_conninfo)
return true;
}
static int
test_ssh_connection(char *host, char *remote_user)
{
char script[MAXLEN];
int r;
/* Check if we have ssh connectivity to host before trying to rsync */
if (!remote_user[0])
maxlen_snprintf(script, "ssh -o Batchmode=yes %s /bin/true", host);
else
maxlen_snprintf(script, "ssh -o Batchmode=yes %s -l %s /bin/true", host, remote_user);
log_debug(_("command is: %s"), script);
r = system(script);
if (r != 0)
log_info(_("Can not connect to the remote host (%s)\n"), host);
return r;
}
static int
copy_remote_files(char *host, char *remote_user, char *remote_path,