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btrbk
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btrbk: implemented action "info", executing "btrfs filesystem show/df"

pull/30/head
Axel Burri 2015-01-20 19:18:38 +01:00
parent 8f81547d6f
commit 029bac98e3
1 changed files with 94 additions and 1 deletions
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95
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@ -112,6 +112,7 @@ sub HELP_MESSAGE
print STDERR "commands:\n";
print STDERR " execute perform backup operations as defined in configuration\n";
print STDERR " dryrun don't run btrfs commands, just show what would be executed\n";
print STDERR " info print useful filesystem information\n";
print STDERR " tree shows backup tree\n";
print STDERR " diff <from> <to> shows new files since subvolume <from> for subvolume <to>\n";
print STDERR "\n";
@ -456,6 +457,32 @@ sub parse_config(@)
}
sub btr_filesystem_show_all_local()
{
return run_cmd("/sbin/btrfs filesystem show", 1);
}
sub btr_filesystem_show($;$)
{
my $vol = shift || die;
my $config = shift;
my ($rsh, $real_vol) = get_rsh($vol, $config);
my $ret = run_cmd("$rsh /sbin/btrfs filesystem show $real_vol", 1);
return $ret;
}
sub btr_filesystem_df($;$@)
{
my $vol = shift || die;
my $config = shift;
my ($rsh, $real_vol) = get_rsh($vol, $config);
my $ret = run_cmd("$rsh /sbin/btrfs filesystem df $real_vol", 1);
return $ret;
}
sub btr_subvolume_list($;$@)
{
my $vol = shift || die;
@ -925,12 +952,16 @@ MAIN:
}
my $action_execute;
my $action_info;
my $action_tree;
my $action_diff;
if(($command eq "execute") || ($command eq "dryrun")) {
$action_execute = 1;
$dryrun = 1 if($command eq "dryrun");
}
elsif ($command eq "info") {
$action_info = 1;
}
elsif ($command eq "tree") {
$action_tree = 1;
}
@ -1040,7 +1071,7 @@ MAIN:
#
# fill vol_info hash, basic checks on configuration
# parse config file
#
my $config = parse_config(@config_src);
unless($config) {
@ -1051,6 +1082,68 @@ MAIN:
ERROR "No volumes defined in configuration file";
exit 1;
}
if($action_info)
{
#
# print filesystem information
#
print "================================================================================\n";
print "Filesystem information ($version_info)\n\n";
print " Date: " . localtime($start_time) . "\n";
print " Config: $config->{SRC_FILE}\n";
print "================================================================================\n";
print "\n--------------------------------------------------------------------------------\n";
print "All local btrfs filesystems\n";
print "--------------------------------------------------------------------------------\n";
print btr_filesystem_show_all_local();
print "\n";
my %processed;
foreach my $config_vol (@{$config->{VOLUME}})
{
my $sroot = $config_vol->{sroot} || die;
unless($processed{$sroot})
{
print "\n--------------------------------------------------------------------------------\n";
print "Source volume: $sroot\n";
print "--------------------------------------------------------------------------------\n";
print btr_filesystem_show($sroot, $config_vol);
print "\n\n";
print btr_filesystem_df($sroot, $config_vol);
print "\n";
$processed{$sroot} = 1;
}
}
foreach my $config_vol (@{$config->{VOLUME}}) {
my $sroot = $config_vol->{sroot} || die;
foreach my $config_subvol (@{$config_vol->{SUBVOLUME}}) {
foreach my $config_target (@{$config_subvol->{TARGET}})
{
my $droot = $config_target->{droot} || die;
unless($processed{$droot})
{
print "\n--------------------------------------------------------------------------------\n";
print "Target volume: $droot\n";
print " ^--- $sroot\n";
print "--------------------------------------------------------------------------------\n";
print btr_filesystem_df($droot, $config_target);
print "\n";
$processed{$droot} = 1;
}
}
}
}
exit 0;
}
#
# fill vol_info hash, basic checks on configuration
#
foreach my $config_vol (@{$config->{VOLUME}})
{
my $sroot = $config_vol->{sroot} || die;