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btrbk: additional test for non-zero target file after raw backup, as failure is not detected by exit code

pull/57/head
Axel Burri 2015-09-29 19:43:11 +02:00
parent bed00cdb8a
commit 92159d862a
1 changed files with 15 additions and 4 deletions
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@ -1034,8 +1034,10 @@ sub btrfs_send_to_file($$$$;@)
cmd => [ qw(btrfs send), @send_options, $snapshot_path ],
rsh => $snapshot->{RSH},
name => "btrfs send",
filter_stderr => \&stderr_filter_send_receive,
};
push @cmd_pipe, {
cmd => [ '/usr/bin/pv' ],
} if($show_progress);
if($opts{compress}) {
die unless($compress{$opts{compress}});
$target_filename .= $compress{$opts{compress}}->{postfix};
@ -1062,17 +1064,26 @@ sub btrfs_send_to_file($$$$;@)
$$ret_vol_received = $vol_received if(ref $ret_vol_received);
INFO ">>> $vol_received->{PRINT}";
print STDOUT "Receiving subvol (raw): $vol_received->{PRINT}\n" if($show_progress && (not $dryrun));
DEBUG "[btrfs] send-to-file" . ($parent ? " (incremental)" : " (complete)") . ":";
DEBUG "[btrfs] source: $snapshot->{PRINT}";
DEBUG "[btrfs] parent: $parent->{PRINT}" if($parent);
DEBUG "[btrfs] target: $target->{PRINT}";
my $ret = run_cmd(@cmd_pipe);
if(defined($ret)) {
# Test target file for "exists and size > 0" after writing,
# as we can not rely on the exit status of 'dd'
DEBUG "Testing target file (non-zero size): $target->{PRINT}";
$ret = run_cmd({
cmd => ['test', '-s', "$target_path/$target_filename"],
rsh => $target->{RSH},
name => "test",
});
}
unless(defined($ret)) {
ERROR "Failed to send btrfs subvolume to raw file: $snapshot->{PRINT} " . ($parent_path ? "[$parent_path]" : "") . " -> $vol_received->{PRINT}";
# TODO: delete file
ERROR "Please delete incomplete raw file: $vol_received->{PRINT}";
return undef;
}
return 1;