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btrbk: added configuration option "btrfs_commit_delete"

pull/30/head
Axel Burri 2015-01-13 18:41:57 +01:00
parent 5299a57c2b
commit 92ee8b0454
2 changed files with 25 additions and 14 deletions
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28
btrbk
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@ -71,7 +71,7 @@ my %config_options = (
target_preserve_daily => { default => "all", accept => [ "all" ], accept_numeric => 1 }, target_preserve_daily => { default => "all", accept => [ "all" ], accept_numeric => 1 },
target_preserve_weekly => { default => 0, accept => [ "all" ], accept_numeric => 1 }, target_preserve_weekly => { default => 0, accept => [ "all" ], accept_numeric => 1 },
target_preserve_monthly => { default => "all", accept => [ "all" ], accept_numeric => 1 }, target_preserve_monthly => { default => "all", accept => [ "all" ], accept_numeric => 1 },
# TODO: btrfs_commit_delete config option, setting --commit-after or --commit-each option to "btrfs subvolume delete" command btrfs_commit_delete => { default => undef, accept => [ "after", "each", "no" ] },
); );
my @config_target_types = qw(send-receive); my @config_target_types = qw(send-receive);
@ -571,14 +571,18 @@ sub btrfs_snapshot($$)
} }
sub btrfs_subvolume_delete(@) sub btrfs_subvolume_delete($@)
{ {
my $commit_delete = shift;
my @targets = @_; my @targets = @_;
return 0 unless(scalar(@targets)); return 0 unless(scalar(@targets));
DEBUG "[btrfs] delete:"; DEBUG "[btrfs] delete:";
DEBUG "[btrfs] commit-delete: " . ($commit_delete ? $commit_delete : "no");
DEBUG "[btrfs] subvolume: $_" foreach(@targets); DEBUG "[btrfs] subvolume: $_" foreach(@targets);
INFO "--- $_" foreach(@targets); my $options = "";
my $ret = run_cmd("/sbin/btrfs subvolume delete " . join(' ', @targets)); $options = "--commit-after " if($commit_delete eq "after");
$options = "--commit-each " if($commit_delete eq "each");
my $ret = run_cmd("/sbin/btrfs subvolume delete $options" . join(' ', @targets));
ERROR "Failed to delete btrfs subvolumes: " . join(' ', @targets) unless(defined($ret)); ERROR "Failed to delete btrfs subvolumes: " . join(' ', @targets) unless(defined($ret));
return defined($ret) ? scalar(@targets) : undef; return defined($ret) ? scalar(@targets) : undef;
} }
@ -750,10 +754,10 @@ sub check_backup_scheme(@)
foreach my $href (sort { $a->{sort} cmp $b->{sort} } @$schedule) # sorted ascending foreach my $href (sort { $a->{sort} cmp $b->{sort} } @$schedule) # sorted ascending
{ {
if($href->{preserve}) { if($href->{preserve}) {
INFO "$href->{sort}: $href->{preserve}"; INFO "=== $href->{sort}: $href->{preserve}";
} }
else { else {
INFO "$href->{sort}: DELETE"; INFO "<<< $href->{sort}";
push(@delete, $href->{name}); push(@delete, $href->{name});
} }
} }
@ -1175,7 +1179,10 @@ MAIN:
preserve_weekly => config_key($config_target, "target_preserve_weekly"), preserve_weekly => config_key($config_target, "target_preserve_weekly"),
preserve_monthly => config_key($config_target, "target_preserve_monthly"), preserve_monthly => config_key($config_target, "target_preserve_monthly"),
); );
if(btrfs_subvolume_delete(@delete)) { my $commit_delete = config_key($config_target, "btrfs_commit_delete");
my $ret = btrfs_subvolume_delete($commit_delete, @delete);
if(defined($ret)) {
INFO "Deleted $ret subvolumes in: $droot/$svol.*";
$config_target->{subvol_deleted} = \@delete; $config_target->{subvol_deleted} = \@delete;
} }
else { else {
@ -1202,7 +1209,10 @@ MAIN:
preserve_weekly => config_key($config_subvol, "snapshot_preserve_weekly"), preserve_weekly => config_key($config_subvol, "snapshot_preserve_weekly"),
preserve_monthly => config_key($config_subvol, "snapshot_preserve_monthly"), preserve_monthly => config_key($config_subvol, "snapshot_preserve_monthly"),
); );
if(btrfs_subvolume_delete(@delete)) { my $commit_delete = config_key($config_subvol, "btrfs_commit_delete");
my $ret = btrfs_subvolume_delete($commit_delete, @delete);
if(defined($ret)) {
INFO "Deleted $ret subvolumes in: $sroot/$snapdir$svol.*";
$config_subvol->{subvol_deleted} = \@delete; $config_subvol->{subvol_deleted} = \@delete;
} }
else { else {
@ -1220,7 +1230,7 @@ MAIN:
{ {
my $err_count = 0; my $err_count = 0;
print "--------------------------------------------------------------------------------\n"; print "--------------------------------------------------------------------------------\n";
print "$version_info\n"; print "Backup Summary ($version_info)\n";
print "--------------------------------------------------------------------------------"; print "--------------------------------------------------------------------------------";
foreach my $config_vol (@{$config->{VOLUME}}) foreach my $config_vol (@{$config->{VOLUME}})
{ {

1
btrbk.conf
View File

@ -38,6 +38,7 @@ target_preserve_daily 20
target_preserve_weekly 10 target_preserve_weekly 10
target_preserve_monthly all target_preserve_monthly all
btrfs_commit_delete after
volume /mnt/btr_system volume /mnt/btr_system
subvolume root_gentoo subvolume root_gentoo