void
issue_warnings(char *sequence_script_file_name)
{
/* old = PG 8.3 warnings? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 803)
{
start_postmaster(&new_cluster);
/* restore proper sequence values using file created from old server */
if (sequence_script_file_name)
{
prep_status("Adjusting sequences");
exec_prog(UTILITY_LOG_FILE, NULL, true,
"\"%s/psql\" " EXEC_PSQL_ARGS " %s -f \"%s\"",
new_cluster.bindir, cluster_conn_opts(&new_cluster),
sequence_script_file_name);
unlink(sequence_script_file_name);
check_ok();
}
old_8_3_rebuild_tsvector_tables(&new_cluster, false);
old_8_3_invalidate_hash_gin_indexes(&new_cluster, false);
old_8_3_invalidate_bpchar_pattern_ops_indexes(&new_cluster, false);
stop_postmaster(false);
}
/* Create dummy large object permissions for old < PG 9.0? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
{
start_postmaster(&new_cluster);
new_9_0_populate_pg_largeobject_metadata(&new_cluster, false);
stop_postmaster(false);
}
}
static void
setup(char *argv0, bool *live_check)
{
char exec_path[MAXPGPATH]; /* full path to my executable */
/*
* make sure the user has a clean environment, otherwise, we may confuse
* libpq when we connect to one (or both) of the servers.
*/
check_pghost_envvar();
verify_directories();
/* no postmasters should be running, except for a live check */
if (pid_lock_file_exists(old_cluster.pgdata))
{
/*
* If we have a postmaster.pid file, try to start the server. If it
* starts, the pid file was stale, so stop the server. If it doesn't
* start, assume the server is running. If the pid file is left over
* from a server crash, this also allows any committed transactions
* stored in the WAL to be replayed so they are not lost, because WAL
* files are not transferred from old to new servers. We later check
* for a clean shutdown.
*/
if (start_postmaster(&old_cluster, false))
stop_postmaster(false);
else
{
if (!user_opts.check)
pg_fatal("There seems to be a postmaster servicing the old cluster.\n"
"Please shutdown that postmaster and try again.\n");
else
*live_check = true;
}
}
/* same goes for the new postmaster */
if (pid_lock_file_exists(new_cluster.pgdata))
{
if (start_postmaster(&new_cluster, false))
stop_postmaster(false);
else
pg_fatal("There seems to be a postmaster servicing the new cluster.\n"
"Please shutdown that postmaster and try again.\n");
}
/* get path to pg_upgrade executable */
if (find_my_exec(argv0, exec_path) < 0)
pg_fatal("%s: could not find own program executable\n", argv0);
/* Trim off program name and keep just path */
*last_dir_separator(exec_path) = '\0';
canonicalize_path(exec_path);
os_info.exec_path = pg_strdup(exec_path);
}
void
exit_nicely(migratorContext *ctx, bool need_cleanup)
{
stop_postmaster(ctx, true, true);
pg_free(ctx->logfile);
if (ctx->log_fd)
fclose(ctx->log_fd);
if (ctx->debug_fd)
fclose(ctx->debug_fd);
/* terminate any running instance of postmaster */
if (ctx->postmasterPID != 0)
kill(ctx->postmasterPID, SIGTERM);
if (need_cleanup)
{
/*
* FIXME must delete intermediate files
*/
exit(1);
}
else
exit(0);
}
void
issue_warnings(void)
{
/* Create dummy large object permissions for old < PG 9.0? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
{
start_postmaster(&new_cluster, true);
new_9_0_populate_pg_largeobject_metadata(&new_cluster, false);
stop_postmaster(false);
}
}
void
issue_warnings(char *sequence_script_file_name)
{
/* old = PG 8.3 warnings? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 803)
{
start_postmaster(&new_cluster);
/* restore proper sequence values using file created from old server */
if (sequence_script_file_name)
{
prep_status("Adjusting sequences");
exec_prog(true, true, UTILITY_LOG_FILE, NULL,
SYSTEMQUOTE "\"%s/psql\" --echo-queries "
"--set ON_ERROR_STOP=on "
"--no-psqlrc --port %d --username \"%s\" "
"-f \"%s\" --dbname template1 >> \"%s\" 2>&1" SYSTEMQUOTE,
new_cluster.bindir, new_cluster.port, os_info.user,
sequence_script_file_name, UTILITY_LOG_FILE);
unlink(sequence_script_file_name);
check_ok();
}
old_8_3_rebuild_tsvector_tables(&new_cluster, false);
old_8_3_invalidate_hash_gin_indexes(&new_cluster, false);
old_8_3_invalidate_bpchar_pattern_ops_indexes(&new_cluster, false);
stop_postmaster(false);
}
/* Create dummy large object permissions for old < PG 9.0? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
{
start_postmaster(&new_cluster);
new_9_0_populate_pg_largeobject_metadata(&new_cluster, false);
stop_postmaster(false);
}
}
void
report_clusters_compatible(void)
{
if (user_opts.check)
{
pg_log(PG_REPORT, "\n*Clusters are compatible*\n");
/* stops new cluster */
stop_postmaster(false);
exit(0);
}
pg_log(PG_REPORT, "\n"
"If pg_upgrade fails after this point, you must re-initdb the\n"
"new cluster before continuing.\n");
}
void
check_and_dump_old_cluster(bool live_check)
{
/* -- OLD -- */
if (!live_check)
start_postmaster(&old_cluster, true);
get_pg_database_relfilenode(&old_cluster);
/* Extract a list of databases and tables from the old cluster */
get_db_and_rel_infos(&old_cluster);
init_tablespaces();
get_loadable_libraries();
/*
* Check for various failure cases
*/
check_is_install_user(&old_cluster);
check_proper_datallowconn(&old_cluster);
check_for_prepared_transactions(&old_cluster);
check_for_reg_data_type_usage(&old_cluster);
check_for_isn_and_int8_passing_mismatch(&old_cluster);
if (GET_MAJOR_VERSION(old_cluster.major_version) == 904 &&
old_cluster.controldata.cat_ver < JSONB_FORMAT_CHANGE_CAT_VER)
check_for_jsonb_9_4_usage(&old_cluster);
/* Pre-PG 9.4 had a different 'line' data type internal format */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 903)
old_9_3_check_for_line_data_type_usage(&old_cluster);
/* Pre-PG 9.0 had no large object permissions */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
new_9_0_populate_pg_largeobject_metadata(&old_cluster, true);
/*
* While not a check option, we do this now because this is the only time
* the old server is running.
*/
if (!user_opts.check)
generate_old_dump();
if (!live_check)
stop_postmaster(false);
}
void
report_clusters_compatible(void)
{
if (user_opts.check)
{
pg_log(PG_REPORT, "\n*Clusters are compatible*\n");
/* stops new cluster */
stop_postmaster(false);
exit(0);
}
pg_log(PG_REPORT, "\n"
"If pg_upgrade fails after this point, you must re-initdb the new cluster\n"
"before continuing. You will also need to remove the \".old\" suffix from\n"
"%s/global/pg_control.old.\n", old_cluster.pgdata);
}
void
issue_warnings_and_set_wal_level(void)
{
/*
* We unconditionally start/stop the new server because pg_resetwal -o set
* wal_level to 'minimum'. If the user is upgrading standby servers using
* the rsync instructions, they will need pg_upgrade to write its final
* WAL record showing wal_level as 'replica'.
*/
start_postmaster(&new_cluster, true);
/* Create dummy large object permissions for old < PG 9.0? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
new_9_0_populate_pg_largeobject_metadata(&new_cluster, false);
/* Reindex hash indexes for old < 10.0 */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 906)
old_9_6_invalidate_hash_indexes(&new_cluster, false);
stop_postmaster(false);
}
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;
}
void
check_old_cluster(bool live_check, char **sequence_script_file_name)
{
/* -- OLD -- */
if (!live_check)
start_postmaster(&old_cluster);
set_locale_and_encoding(&old_cluster);
get_pg_database_relfilenode(&old_cluster);
/* Extract a list of databases and tables from the old cluster */
get_db_and_rel_infos(&old_cluster);
init_tablespaces();
get_loadable_libraries();
/*
* Check for various failure cases
*/
check_is_super_user(&old_cluster);
check_for_prepared_transactions(&old_cluster);
check_for_reg_data_type_usage(&old_cluster);
check_for_isn_and_int8_passing_mismatch(&old_cluster);
/* old = PG 8.3 checks? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 803)
{
old_8_3_check_for_name_data_type_usage(&old_cluster);
old_8_3_check_for_tsquery_usage(&old_cluster);
old_8_3_check_ltree_usage(&old_cluster);
if (user_opts.check)
{
old_8_3_rebuild_tsvector_tables(&old_cluster, true);
old_8_3_invalidate_hash_gin_indexes(&old_cluster, true);
old_8_3_invalidate_bpchar_pattern_ops_indexes(&old_cluster, true);
}
else
/*
* While we have the old server running, create the script to
* properly restore its sequence values but we report this at the
* end.
*/
*sequence_script_file_name =
old_8_3_create_sequence_script(&old_cluster);
}
/* Pre-PG 9.0 had no large object permissions */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
new_9_0_populate_pg_largeobject_metadata(&old_cluster, true);
/*
* While not a check option, we do this now because this is the only time
* the old server is running.
*/
if (!user_opts.check)
{
generate_old_dump();
split_old_dump();
}
if (!live_check)
stop_postmaster(false);
}
int
main(int argc, char **argv)
{
char *sequence_script_file_name = NULL;
char *deletion_script_file_name = NULL;
bool live_check = false;
parseCommandLine(argc, argv);
output_check_banner(&live_check);
setup(argv[0], live_check);
check_cluster_versions();
check_cluster_compatibility(live_check);
check_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");
disable_old_cluster();
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);
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(true, SYSTEMQUOTE "\"%s/pg_resetxlog\" -o %u \"%s\" > "
DEVNULL SYSTEMQUOTE,
new_cluster.bindir, old_cluster.controldata.chkpnt_nxtoid, new_cluster.pgdata);
check_ok();
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(deletion_script_file_name);
pg_free(deletion_script_file_name);
pg_free(sequence_script_file_name);
cleanup();
return 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;
}
static void
stop_postmaster_atexit(void)
{
stop_postmaster(true);
}
stop_postmaster_on_exit(int exitstatus, void *arg)
#endif
{
stop_postmaster(true);
}
