Ejemplo n.º 1
0
int
main(int argc, char **argv)
{
	char	   *analyze_script_file_name = NULL;
	char	   *deletion_script_file_name = NULL;
	bool		live_check = false;

	set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_upgrade"));

	/* Set default restrictive mask until new cluster permissions are read */
	umask(PG_MODE_MASK_OWNER);

	parseCommandLine(argc, argv);

	get_restricted_token(os_info.progname);

	adjust_data_dir(&old_cluster);
	adjust_data_dir(&new_cluster);

	setup(argv[0], &live_check);

	output_check_banner(live_check);

	check_cluster_versions();

	get_sock_dir(&old_cluster, live_check);
	get_sock_dir(&new_cluster, false);

	check_cluster_compatibility(live_check);

	/* Set mask based on PGDATA permissions */
	if (!GetDataDirectoryCreatePerm(new_cluster.pgdata))
	{
		pg_log(PG_FATAL, "could not read permissions of directory \"%s\": %s\n",
			   new_cluster.pgdata, strerror(errno));
		exit(1);
	}

	umask(pg_mode_mask);

	check_and_dump_old_cluster(live_check);


	/* -- NEW -- */
	start_postmaster(&new_cluster, true);

	check_new_cluster();
	report_clusters_compatible();

	pg_log(PG_REPORT,
		   "\n"
		   "Performing Upgrade\n"
		   "------------------\n");

	prepare_new_cluster();

	stop_postmaster(false);

	/*
	 * Destructive Changes to New Cluster
	 */

	copy_xact_xlog_xid();

	/* New now using xids of the old system */

	/* -- NEW -- */
	start_postmaster(&new_cluster, true);

	prepare_new_globals();

	create_new_objects();

	stop_postmaster(false);

	/*
	 * Most failures happen in create_new_objects(), which has completed at
	 * this point.  We do this here because it is just before linking, which
	 * will link the old and new cluster data files, preventing the old
	 * cluster from being safely started once the new cluster is started.
	 */
	if (user_opts.transfer_mode == TRANSFER_MODE_LINK)
		disable_old_cluster();

	transfer_all_new_tablespaces(&old_cluster.dbarr, &new_cluster.dbarr,
								 old_cluster.pgdata, new_cluster.pgdata);

	/*
	 * Assuming OIDs are only used in system tables, there is no need to
	 * restore the OID counter because we have not transferred any OIDs from
	 * the old system, but we do it anyway just in case.  We do it late here
	 * because there is no need to have the schema load use new oids.
	 */
	prep_status("Setting next OID for new cluster");
	exec_prog(UTILITY_LOG_FILE, NULL, true, true,
			  "\"%s/pg_resetwal\" -o %u \"%s\"",
			  new_cluster.bindir, old_cluster.controldata.chkpnt_nxtoid,
			  new_cluster.pgdata);
	check_ok();

	prep_status("Sync data directory to disk");
	exec_prog(UTILITY_LOG_FILE, NULL, true, true,
			  "\"%s/initdb\" --sync-only \"%s\"", new_cluster.bindir,
			  new_cluster.pgdata);
	check_ok();

	create_script_for_cluster_analyze(&analyze_script_file_name);
	create_script_for_old_cluster_deletion(&deletion_script_file_name);

	issue_warnings_and_set_wal_level();

	pg_log(PG_REPORT,
		   "\n"
		   "Upgrade Complete\n"
		   "----------------\n");

	output_completion_banner(analyze_script_file_name,
							 deletion_script_file_name);

	pg_free(analyze_script_file_name);
	pg_free(deletion_script_file_name);

	cleanup();

	return 0;
}
Ejemplo n.º 2
0
int
main(int argc, char **argv)
{
	char	   *sequence_script_file_name = NULL;
	char	   *analyze_script_file_name = NULL;
	char	   *deletion_script_file_name = NULL;
	bool		live_check = false;

	parseCommandLine(argc, argv);

	adjust_data_dir(&old_cluster);
	adjust_data_dir(&new_cluster);

	output_check_banner(&live_check);

	setup(argv[0], live_check);

	check_cluster_versions();

	get_sock_dir(&old_cluster, live_check);
	get_sock_dir(&new_cluster, false);

	check_cluster_compatibility(live_check);

	check_and_dump_old_cluster(live_check, &sequence_script_file_name);


	/* -- NEW -- */
	start_postmaster(&new_cluster);

	check_new_cluster();
	report_clusters_compatible();

	pg_log(PG_REPORT, "\nPerforming Upgrade\n");
	pg_log(PG_REPORT, "------------------\n");

	prepare_new_cluster();

	stop_postmaster(false);

	/*
	 * Destructive Changes to New Cluster
	 */

	copy_clog_xlog_xid();

	/* New now using xids of the old system */

	/* -- NEW -- */
	start_postmaster(&new_cluster);

	prepare_new_databases();

	create_new_objects();

	stop_postmaster(false);

	/*
	 * Most failures happen in create_new_objects(), which has completed at
	 * this point.	We do this here because it is just before linking, which
	 * will link the old and new cluster data files, preventing the old
	 * cluster from being safely started once the new cluster is started.
	 */
	if (user_opts.transfer_mode == TRANSFER_MODE_LINK)
		disable_old_cluster();

	transfer_all_new_dbs(&old_cluster.dbarr, &new_cluster.dbarr,
						 old_cluster.pgdata, new_cluster.pgdata);

	/*
	 * Assuming OIDs are only used in system tables, there is no need to
	 * restore the OID counter because we have not transferred any OIDs from
	 * the old system, but we do it anyway just in case.  We do it late here
	 * because there is no need to have the schema load use new oids.
	 */
	prep_status("Setting next OID for new cluster");
	exec_prog(UTILITY_LOG_FILE, NULL, true,
			  "\"%s/pg_resetxlog\" -o %u \"%s\"",
			  new_cluster.bindir, old_cluster.controldata.chkpnt_nxtoid,
			  new_cluster.pgdata);
	check_ok();

	prep_status("Sync data directory to disk");
	exec_prog(UTILITY_LOG_FILE, NULL, true,
			  "\"%s/initdb\" --sync-only \"%s\"", new_cluster.bindir,
			  new_cluster.pgdata);
	check_ok();

	create_script_for_cluster_analyze(&analyze_script_file_name);
	create_script_for_old_cluster_deletion(&deletion_script_file_name);

	issue_warnings(sequence_script_file_name);

	pg_log(PG_REPORT, "\nUpgrade Complete\n");
	pg_log(PG_REPORT, "----------------\n");

	output_completion_banner(analyze_script_file_name,
							 deletion_script_file_name);

	pg_free(analyze_script_file_name);
	pg_free(deletion_script_file_name);
	pg_free(sequence_script_file_name);

	cleanup();

	return 0;
}