mirror of
https://github.com/EnterpriseDB/repmgr.git
synced 2026-03-25 08:06:29 +00:00
Merge remote-tracking branch 'origin/master' into heroku
The Great Whitespace Reconciliation Conflicts: check_dir.c config.c dbutils.c repmgr.c repmgr.h repmgrd.c Signed-off-by: Dan Farina <drfarina@acm.org>
This commit is contained in:
Dan Farina
325
repmgr.c
325
repmgr.c
@@ -1,16 +1,27 @@
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/*
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* repmgr.c
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* repmgr.c - Command interpreter for the repmgr
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*
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* Copyright (c) 2ndQuadrant, 2010
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* Copyright (c) Heroku, 2010
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*
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* Command interpreter for the repmgr
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* This module is a command-line utility to easily setup a cluster of
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* hot standby servers for an HA environment
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*
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* Commands implemented are.
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* MASTER REGISTER, STANDBY REGISTER, STANDBY CLONE, STANDBY FOLLOW,
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* STANDBY PROMOTE
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "repmgr.h"
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@@ -71,7 +82,8 @@ char *server_cmd = NULL;
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int
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main(int argc, char **argv)
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{
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static struct option long_options[] = {
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static struct option long_options[] =
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{
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{"dbname", required_argument, NULL, 'd'},
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{"host", required_argument, NULL, 'h'},
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{"port", required_argument, NULL, 'p'},
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@@ -111,40 +123,40 @@ main(int argc, char **argv)
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{
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switch (c)
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{
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case 'd':
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dbname = optarg;
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break;
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case 'h':
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host = optarg;
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break;
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case 'p':
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case 'd':
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dbname = optarg;
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break;
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case 'h':
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host = optarg;
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break;
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case 'p':
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masterport = optarg;
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break;
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case 'U':
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username = optarg;
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case 'U':
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username = optarg;
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break;
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case 'D':
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dest_dir = optarg;
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break;
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case 'D':
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dest_dir = optarg;
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case 'f':
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config_file = optarg;
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break;
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case 'f':
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config_file = optarg;
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case 'R':
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remote_user = optarg;
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break;
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case 'R':
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remote_user = optarg;
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break;
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case 'w':
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wal_keep_segments = optarg;
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break;
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case 'F':
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force = true;
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break;
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case 'v':
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verbose = true;
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break;
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default:
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case 'w':
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wal_keep_segments = optarg;
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break;
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case 'F':
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force = true;
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break;
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case 'v':
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verbose = true;
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break;
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default:
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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exit(1);
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exit(1);
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}
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}
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@@ -214,14 +226,14 @@ main(int argc, char **argv)
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switch (optind < argc)
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{
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case 0:
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break;
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default:
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fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"),
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progname, argv[optind + 1]);
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case 0:
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break;
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default:
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fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"),
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progname, argv[optind + 1]);
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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exit(1);
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exit(1);
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}
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if (!check_parameters_for_action(action))
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@@ -262,25 +274,25 @@ main(int argc, char **argv)
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switch (action)
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{
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case MASTER_REGISTER:
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do_master_register();
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break;
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case STANDBY_REGISTER:
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do_standby_register();
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break;
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case STANDBY_CLONE:
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do_standby_clone();
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break;
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case STANDBY_PROMOTE:
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do_standby_promote();
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break;
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case STANDBY_FOLLOW:
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do_standby_follow();
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break;
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default:
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case MASTER_REGISTER:
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do_master_register();
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break;
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case STANDBY_REGISTER:
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do_standby_register();
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break;
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case STANDBY_CLONE:
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do_standby_clone();
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break;
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case STANDBY_PROMOTE:
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do_standby_promote();
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break;
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case STANDBY_FOLLOW:
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do_standby_follow();
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break;
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default:
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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exit(1);
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exit(1);
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}
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return 0;
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@@ -641,29 +653,29 @@ do_standby_clone(void)
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{
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case 0:
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/* dest_dir not there, must create it */
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if (verbose)
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if (verbose)
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printf(_("creating directory %s ... "), dest_dir);
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fflush(stdout);
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if (!create_directory(dest_dir))
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{
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{
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fprintf(stderr, _("%s: couldn't create directory %s ... "),
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progname, dest_dir);
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return;
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}
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progname, dest_dir);
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return;
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}
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break;
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case 1:
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/* Present but empty, fix permissions and use it */
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if (verbose)
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if (verbose)
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printf(_("fixing permissions on existing directory %s ... "),
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dest_dir);
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fflush(stdout);
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if (!set_directory_permissions(dest_dir))
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if (!set_directory_permissions(dest_dir))
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{
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fprintf(stderr, _("%s: could not change permissions of directory \"%s\": %s\n"),
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progname, dest_dir, strerror(errno));
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return;
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return;
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}
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break;
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case 2:
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@@ -674,20 +686,20 @@ do_standby_clone(void)
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pg_dir = is_pg_dir(dest_dir);
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if (pg_dir && !force)
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{
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fprintf(stderr, _("\nThis looks like a PostgreSQL directroy.\n"
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{
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fprintf(stderr, _("\nThis looks like a PostgreSQL directroy.\n"
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"If you are sure you want to clone here, "
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"please check there is no PostgreSQL server "
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"running and use the --force option\n"));
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return;
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}
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else if (pg_dir && force)
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{
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/* Let it continue */
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break;
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}
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return;
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}
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else if (pg_dir && force)
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{
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/* Let it continue */
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break;
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}
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else
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return;
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return;
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default:
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/* Trouble accessing directory */
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fprintf(stderr, _("%s: could not access directory \"%s\": %s\n"),
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@@ -775,23 +787,23 @@ do_standby_clone(void)
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{
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case 0:
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/* tblspc_dir not there, must create it */
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if (verbose)
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if (verbose)
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printf(_("creating directory \"%s\"... "), tblspc_dir);
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fflush(stdout);
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if (!create_directory(tblspc_dir))
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{
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{
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fprintf(stderr,
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_("%s: couldn't create directory \"%s\"... "),
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progname, tblspc_dir);
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PQclear(res);
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PQfinish(conn);
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return;
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}
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progname, tblspc_dir);
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PQclear(res);
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PQfinish(conn);
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return;
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}
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break;
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case 1:
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/* Present but empty, fix permissions and use it */
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if (verbose)
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if (verbose)
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printf(_("fixing permissions on existing directory \"%s\"... "),
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tblspc_dir);
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fflush(stdout);
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@@ -800,9 +812,9 @@ do_standby_clone(void)
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{
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fprintf(stderr, _("%s: could not change permissions of directory \"%s\": %s\n"),
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progname, tblspc_dir, strerror(errno));
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PQclear(res);
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PQfinish(conn);
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return;
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PQclear(res);
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PQfinish(conn);
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return;
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}
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break;
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case 2:
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@@ -1426,12 +1438,12 @@ copy_remote_files(char *host, char *remote_user, char *remote_path,
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strcat(options,
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" --exclude=pg_xlog* --exclude=pg_control --exclude=*.pid");
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maxlen_snprintf(script, "rsync %s %s:%s/* %s",
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options, host_string, remote_path, local_path);
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options, host_string, remote_path, local_path);
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}
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else
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{
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maxlen_snprintf(script, "rsync %s %s:%s %s/.",
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options, host_string, remote_path, local_path);
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options, host_string, remote_path, local_path);
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}
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if (verbose)
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@@ -1458,105 +1470,110 @@ check_parameters_for_action(const int action)
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switch (action)
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{
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case MASTER_REGISTER:
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/*
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* To register a master we only need the repmgr.conf
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* all other parameters are at least useless and could be
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* confusing so reject them
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*/
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case MASTER_REGISTER:
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/*
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* To register a master we only need the repmgr.conf
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* all other parameters are at least useless and could be
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* confusing so reject them
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*/
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if ((host != NULL) || (masterport != NULL) ||
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(username != NULL) || (dbname != NULL))
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a MASTER REGISTER command.");
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a MASTER REGISTER command.");
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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ok = false;
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ok = false;
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}
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if (dest_dir != NULL) {
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fprintf(stderr, "\nYou don't need a destination directory for MASTER REGISTER command");
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if (dest_dir != NULL)
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{
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fprintf(stderr, "\nYou don't need a destination directory for MASTER REGISTER command");
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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ok = false;
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}
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break;
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case STANDBY_REGISTER:
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/*
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* To register a standby we only need the repmgr.conf
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* we don't need connection parameters to the master
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* because we can detect the master in repl_nodes
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*/
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ok = false;
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}
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break;
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case STANDBY_REGISTER:
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/*
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* To register a standby we only need the repmgr.conf
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* we don't need connection parameters to the master
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* because we can detect the master in repl_nodes
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*/
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if ((host != NULL) || (masterport != NULL) ||
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(username != NULL) || (dbname != NULL))
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a STANDBY REGISTER command.");
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a STANDBY REGISTER command.");
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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ok = false;
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ok = false;
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}
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if (dest_dir != NULL) {
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fprintf(stderr, "\nYou don't need a destination directory for STANDBY REGISTER command");
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if (dest_dir != NULL)
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{
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fprintf(stderr, "\nYou don't need a destination directory for STANDBY REGISTER command");
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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ok = false;
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}
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break;
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case STANDBY_PROMOTE:
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/*
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* To promote a standby we only need the repmgr.conf
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* we don't want connection parameters to the master
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* because we will try to detect the master in repl_nodes
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* if we can't find it then the promote action will be cancelled
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*/
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ok = false;
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}
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break;
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case STANDBY_PROMOTE:
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/*
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* To promote a standby we only need the repmgr.conf
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* we don't want connection parameters to the master
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* because we will try to detect the master in repl_nodes
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* if we can't find it then the promote action will be cancelled
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*/
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if ((host != NULL) || (masterport != NULL) ||
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(username != NULL) || (dbname != NULL))
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a STANDBY PROMOTE command.");
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a STANDBY PROMOTE command.");
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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ok = false;
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ok = false;
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}
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if (dest_dir != NULL) {
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fprintf(stderr, "\nYou don't need a destination directory for STANDBY PROMOTE command");
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if (dest_dir != NULL)
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{
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fprintf(stderr, "\nYou don't need a destination directory for STANDBY PROMOTE command");
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
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progname);
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ok = false;
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}
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break;
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case STANDBY_FOLLOW:
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/*
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* To make a standby follow a master we only need the repmgr.conf
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* we don't want connection parameters to the new master
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* because we will try to detect the master in repl_nodes
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* if we can't find it then the follow action will be cancelled
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*/
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ok = false;
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}
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break;
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case STANDBY_FOLLOW:
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/*
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* To make a standby follow a master we only need the repmgr.conf
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* we don't want connection parameters to the new master
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* because we will try to detect the master in repl_nodes
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* if we can't find it then the follow action will be cancelled
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*/
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if ((host != NULL) || (masterport != NULL) ||
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(username != NULL) || (dbname != NULL))
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a STANDBY FOLLOW command.");
|
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{
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fprintf(stderr, "\nYou can't use connection parameters to the master when issuing a STANDBY FOLLOW command.");
|
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
|
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progname);
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ok = false;
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ok = false;
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}
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||||
if (dest_dir != NULL) {
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||||
fprintf(stderr, "\nYou don't need a destination directory for STANDBY FOLLOW command");
|
||||
if (dest_dir != NULL)
|
||||
{
|
||||
fprintf(stderr, "\nYou don't need a destination directory for STANDBY FOLLOW command");
|
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fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
|
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progname);
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ok = false;
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}
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||||
break;
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||||
case STANDBY_CLONE:
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/*
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* To clone a master into a standby we need connection parameters
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ok = false;
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}
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break;
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||||
case STANDBY_CLONE:
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/*
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||||
* To clone a master into a standby we need connection parameters
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* repmgr.conf is useless because we don't have a server running
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* in the standby
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||||
*/
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||||
if (config_file != NULL) {
|
||||
fprintf(stderr, "\nYou need to use connection parameters to the master when issuing a STANDBY CLONE command.");
|
||||
* in the standby
|
||||
*/
|
||||
if (config_file != NULL)
|
||||
{
|
||||
fprintf(stderr, "\nYou need to use connection parameters to the master when issuing a STANDBY CLONE command.");
|
||||
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
|
||||
progname);
|
||||
ok = false;
|
||||
}
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||||
break;
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||||
ok = false;
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||||
}
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||||
break;
|
||||
}
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||||
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return ok;
|
||||
|
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Reference in New Issue
Block a user