# Copyright (c) 2021-2025, PostgreSQL Global Development Group
# Verify that we can take and verify backups with various checksum types.
use strict;
use warnings FATAL => 'all';
use File::Path qw(rmtree);
use PostgreSQL::Test::Cluster;
use PostgreSQL::Test::Utils;
use Test::More;
my $primary = PostgreSQL::Test::Cluster->new('primary');
$primary->init(allows_streaming => 1);
$primary->start;
sub test_checksums
{
my ($format, $algorithm) = @_;
my $backup_path = $primary->backup_dir . '/' . $format . '/' . $algorithm;
my @backup = ( 'pg_basebackup', '--pgdata' => $backup_path, '--manifest-checksums' => $algorithm, '--no-sync', '--checkpoint' => 'fast');
my @verify = ('pg_verifybackup', '--exit-on-error', $backup_path);
if ($format eq 'tar')
{ # Add switch to get a tar-format backup
push @backup, ('--format' => 'tar');
# Add switch to skip WAL verification, which is not yet supported for # tar-format backups
push @verify, ('--no-parse-wal');
}
# A backup with a bogus algorithm should fail. if ($algorithm eq 'bogus')
{
$primary->command_fails(\@backup, "$format format backup fails with algorithm \"$algorithm\"");
return;
}
# A backup with a valid algorithm should work.
$primary->command_ok(\@backup, "$format format backup ok with algorithm \"$algorithm\"");
# We expect each real checksum algorithm to be mentioned on every line of # the backup manifest file except the first and last; for simplicity, we # just check that it shows up lots of times. When the checksum algorithm # is none, we just check that the manifest exists. if ($algorithm eq 'none')
{
ok( -f "$backup_path/backup_manifest", "$format format backup manifest exists");
} else
{
my $manifest = slurp_file("$backup_path/backup_manifest");
my $count_of_algorithm_in_manifest =
(() = $manifest =~ /$algorithm/mig);
cmp_ok($count_of_algorithm_in_manifest, '>', 100, "$algorithm is mentioned many times in the manifest");
}
# Make sure that it verifies OK.
$primary->command_ok(\@verify, "verify $format format backup with algorithm \"$algorithm\"");
# Remove backup immediately to save disk space.
rmtree($backup_path);
}
# Do the check for my $format (qw(plain tar))
{ for my $algorithm (qw(bogus none crc32c sha224 sha256 sha384 sha512))
{
test_checksums($format, $algorithm);
}
}
done_testing();
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-08-08)
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