diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/test/recovery/t/042_low_level_backup.pl | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/test/recovery/t/042_low_level_backup.pl b/src/test/recovery/t/042_low_level_backup.pl deleted file mode 100644 index 213b85dbfd1..00000000000 --- a/src/test/recovery/t/042_low_level_backup.pl +++ /dev/null @@ -1,120 +0,0 @@ - -# Copyright (c) 2024, PostgreSQL Global Development Group - -# Test low-level backup method by using pg_backup_start() and pg_backup_stop() -# to create backups. - -use strict; -use warnings; - -use File::Copy qw(copy); -use File::Path qw(rmtree); -use PostgreSQL::Test::Cluster; -use PostgreSQL::Test::Utils; -use Test::More; - -# Start primary node with archiving. -my $node_primary = PostgreSQL::Test::Cluster->new('primary'); -$node_primary->init(has_archiving => 1, allows_streaming => 1); -$node_primary->start; - -# Start backup. -my $backup_name = 'backup1'; -my $psql = $node_primary->background_psql('postgres'); - -$psql->query_safe("SET client_min_messages TO WARNING"); -$psql->set_query_timer_restart; -$psql->query_safe("select pg_backup_start('test label')"); - -# Copy files. -my $backup_dir = $node_primary->backup_dir . '/' . $backup_name; - -PostgreSQL::Test::RecursiveCopy::copypath($node_primary->data_dir, - $backup_dir); - -# Cleanup some files/paths that should not be in the backup. There is no -# attempt to handle all the exclusions done by pg_basebackup here, in part -# because these are not required, but also to keep the test simple. -# -# Also remove pg_control because it needs to be copied later. -unlink("$backup_dir/postmaster.pid") - or BAIL_OUT("unable to unlink $backup_dir/postmaster.pid"); -unlink("$backup_dir/postmaster.opts") - or BAIL_OUT("unable to unlink $backup_dir/postmaster.opts"); -unlink("$backup_dir/global/pg_control") - or BAIL_OUT("unable to unlink $backup_dir/global/pg_control"); - -rmtree("$backup_dir/pg_wal") - or BAIL_OUT("unable to unlink contents of $backup_dir/pg_wal"); -mkdir("$backup_dir/pg_wal"); - -# Create a table that will be used to verify that recovery started at the -# correct location, rather than a location recorded in the control file. -$psql->query_safe("create table canary (id int)"); - -# Advance the checkpoint location in pg_control past the location where the -# backup started. Switch WAL to make it really clear that the location is -# different and to put the checkpoint in a new WAL segment. -$psql->query_safe("select pg_switch_wal()"); -$psql->query_safe("checkpoint"); - -# Copy pg_control last so it contains the new checkpoint. -copy($node_primary->data_dir . '/global/pg_control', - "$backup_dir/global/pg_control") - or BAIL_OUT("unable to copy global/pg_control"); - -# Stop backup and get backup_label -my $backup_label = - $psql->query_safe("select labelfile from pg_backup_stop()"); - -$psql->quit; - -# Rather than writing out backup_label, try to recover the backup without -# backup_label to demonstrate that recovery will not work correctly without it, -# i.e. the canary table will be missing and the cluster will be corrupted. -# Provide only the WAL segment that recovery will think it needs. -# -# The point of this test is to explicitly demonstrate that backup_label is -# being used in a later test to get the correct recovery info. -my $node_replica = PostgreSQL::Test::Cluster->new('replica_fail'); -$node_replica->init_from_backup($node_primary, $backup_name); -my $canary_query = "select count(*) from pg_class where relname = 'canary'"; - -copy( - $node_primary->archive_dir . '/000000010000000000000003', - $node_replica->data_dir . '/pg_wal/000000010000000000000003' -) or BAIL_OUT("unable to copy 000000010000000000000003"); - -$node_replica->start; - -ok($node_replica->safe_psql('postgres', $canary_query) == 0, - 'canary is missing'); - -# Check log to ensure that crash recovery was used as there is no -# backup_label. -ok( $node_replica->log_contains( - 'database system was not properly shut down; automatic recovery in progress' - ), - 'verify backup recovery performed with crash recovery'); - -$node_replica->teardown_node; -$node_replica->clean_node; - -# Save backup_label into the backup directory and recover using the primary's -# archive. This time recovery will succeed and the canary table will be -# present. -append_to_file("$backup_dir/backup_label", $backup_label); - -$node_replica = PostgreSQL::Test::Cluster->new('replica_success'); -$node_replica->init_from_backup($node_primary, $backup_name, - has_restoring => 1); -$node_replica->start; - -ok($node_replica->safe_psql('postgres', $canary_query) == 1, - 'canary is present'); - -# Check log to ensure that backup_label was used for recovery. -ok($node_replica->log_contains('starting backup recovery with redo LSN'), - 'verify backup recovery performed with backup_label'); - -done_testing(); |