mirror of
https://github.com/EnterpriseDB/repmgr.git
synced 2026-03-22 22:56:29 +00:00
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/*
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* repmgr.c - Command interpreter for the repmgr package
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*
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* Copyright (c) 2ndQuadrant, 2010-2017
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*
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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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*/
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#include "repmgr.h"
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#include "repmgr-client.h"
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/* global configuration structures */
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t_runtime_options runtime_options = T_RUNTIME_OPTIONS_INITIALIZER;
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int
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main(int argc, char **argv)
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{
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int optindex;
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int c, targ;
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int action = NO_ACTION;
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set_progname(argv[0]);
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while ((c = getopt_long(argc, argv, "?Vd:h:p:U:S:D:f:R:w:k:FWIvb:rcL:tm:C:", long_options,
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&optindex)) != -1)
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{
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/*
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* NOTE: some integer parameters (e.g. -p/--port) are stored internally
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* as strings. We use repmgr_atoi() to check these but discard the
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* returned integer; repmgr_atoi() will append the error message to the
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* provided list.
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*/
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switch (c)
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{
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/*
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* Options which cause repmgr to exit in this block;
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* these are the only ones which can be executed as root user
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*/
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case OPT_HELP:
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do_help();
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exit(SUCCESS);
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case '?':
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/* Actual help option given */
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if (strcmp(argv[optind - 1], "-?") == 0)
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{
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do_help();
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exit(SUCCESS);
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}
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break;
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case 'V':
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printf("%s %s\n", progname(), REPMGR_VERSION);
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exit(SUCCESS);
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/* general options */
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case 'f':
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strncpy(runtime_options.config_file, optarg, MAXLEN);
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break;
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}
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}
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/*
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* Disallow further running as root to prevent directory ownership problems.
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* We check this here to give the root user a chance to execute --help/--version
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* options.
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*/
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if (geteuid() == 0)
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{
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fprintf(stderr,
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_("%s: cannot be run as root\n"
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"Please log in (using, e.g., \"su\") as the "
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"(unprivileged) user that owns "
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"the data directory.\n"
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),
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progname());
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exit(1);
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}
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return SUCCESS;
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}
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static void
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do_help(void)
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{
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printf(_("%s: replication management tool for PostgreSQL\n"), progname());
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printf(_("\n"));
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/* add a big friendly warning if root is executing "repmgr --help" */
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if (geteuid() == 0)
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{
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printf(_(" **************************************************\n"));
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printf(_(" *** repmgr must be executed by a non-superuser ***\n"));
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printf(_(" **************************************************\n"));
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puts("");
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}
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printf(_("Usage:\n"));
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}
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