mirror of https://github.com/digint/btrbk
btrbk: print summary at end of "execute" action; added option -q (quiet)
Axel Burri
parent
978948f877
commit
5299a57c2b
134
btrbk
134
btrbk
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@ -102,15 +102,16 @@ sub HELP_MESSAGE
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print STDERR "options:\n";
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print STDERR " --help display this help message\n";
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print STDERR " --version display version information\n";
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print STDERR " -c FILE config file to be processed on execute command (defaults to \"$default_config\")\n";
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print STDERR " -c FILE specify configuration file (defaults to \"$default_config\")\n";
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print STDERR " -v be verbose (set loglevel=info)\n";
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print STDERR " -l LEVEL set loglevel (1=warn, 2=info, 3=debug, 4=trace)\n";
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print STDERR " -q be quiet (do not print summary at end of \"execute\" command)\n";
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print STDERR " -l LEVEL set loglevel (warn, info, debug, trace)\n";
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print STDERR "\n";
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print STDERR "commands:\n";
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print STDERR " tree shows backup tree\n";
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print STDERR " execute perform all backups, and delete old snapshots based on configured backup scheme\n";
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print STDERR " execute perform backup operations as defined in configuration\n";
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print STDERR " dryrun don't run btrfs commands, just show what would be executed\n";
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print STDERR " diff <from> <to> shows new files for subvolume <from>, against subvolume <to>\n";
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print STDERR " tree shows backup tree\n";
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print STDERR " diff <from> <to> shows new files since subvolume <from> for subvolume <to>\n";
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print STDERR "\n";
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print STDERR "For additional information, see $PROJECT_HOME\n";
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}
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@ -693,7 +694,7 @@ sub get_latest_common($$$)
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sub check_backup_scheme(@)
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{
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my %args = @_;
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my $check = $args{check} || die;
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my $schedule = $args{schedule} || die;
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my @today = @{$args{today}};
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my $preserve_day_of_week = $args{preserve_day_of_week} || die;
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my $preserve_daily = $args{preserve_daily} // die;
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@ -705,7 +706,7 @@ sub check_backup_scheme(@)
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DEBUG "next $preserve_day_of_week is in $delta_dow days";
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my @last_in_week;
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foreach my $href (sort { $a->{sort} cmp $b->{sort} } @$check) # sorted ascending
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foreach my $href (sort { $a->{sort} cmp $b->{sort} } @$schedule) # sorted ascending
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{
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my @date = @{$href->{date}};
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my $delta_days = Delta_Days(@date, @today);
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@ -746,7 +747,7 @@ sub check_backup_scheme(@)
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}
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my @delete;
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foreach my $href (sort { $a->{sort} cmp $b->{sort} } @$check) # sorted ascending
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foreach my $href (sort { $a->{sort} cmp $b->{sort} } @$schedule) # sorted ascending
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{
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if($href->{preserve}) {
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INFO "$href->{sort}: $href->{preserve}";
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@ -768,7 +769,7 @@ MAIN:
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my @today = Today();
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my %opts;
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unless(getopts('s:t:c:vl:p', \%opts)) {
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unless(getopts('s:t:c:vql:p', \%opts)) {
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VERSION_MESSAGE();
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HELP_MESSAGE(0);
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exit 1;
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@ -783,9 +784,10 @@ MAIN:
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elsif(lc($loglevel) eq "trace") { $loglevel = 4; }
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elsif($loglevel =~ /^[0-9]+$/) { ; }
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else {
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$loglevel = $opts{v} ? 2 : 0;
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$loglevel = $opts{v} ? 2 : 1;
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}
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my $config_file = $opts{c} || $default_config;
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my $quiet = $opts{q};
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# check command line options
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if($opts{h} || (not $command)) {
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@ -929,8 +931,8 @@ MAIN:
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{
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my $svol = $config_subvol->{svol} || die;
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unless(subvol($sroot, $svol)) {
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WARN "Subvolume \"$svol\" not present in btrfs subvolume list for \"$sroot\", skipping section";
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$config_subvol->{ABORTED} = 1;
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$config_subvol->{ABORTED} = "Subvolume \"$svol\" not present in btrfs subvolume list for \"$sroot\"";
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WARN "Skipping subvolume section: $config_subvol->{ABORTED}";
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next;
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}
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foreach my $config_target (@{$config_subvol->{TARGET}})
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@ -938,8 +940,8 @@ MAIN:
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my $droot = $config_target->{droot} || die;
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$vol_info{$droot} //= btr_subtree($droot);
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unless($vol_info{$droot}) {
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WARN "Failed to read btrfs subvolume list for \"$droot\", skipping target";
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$config_target->{ABORTED} = 1;
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$config_target->{ABORTED} = "Failed to read btrfs subvolume list for \"$droot\"";
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WARN "Skipping target: $config_target->{ABORTED}";
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next;
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}
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}
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@ -1037,9 +1039,8 @@ MAIN:
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next if($config_target->{ABORTED});
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my $droot = $config_target->{droot} || die;
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if(subvol($droot, $snapshot_name)) {
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# TODO: this seems not right here: maybe just skip this check, and panic later
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WARN "Snapshot already exists at destination, skipping target: $droot/$snapshot_name";
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$config_target->{ABORTED} = 1;
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$config_target->{ABORTED} = "Snapshot already exists at destination: $droot/$snapshot_name";
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WARN "Skipping target: $config_target->{ABORTED}";
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next;
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}
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if($config_target->{target_type} eq "send-receive") {
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@ -1047,8 +1048,8 @@ MAIN:
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}
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}
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unless($create_snapshot) {
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WARN "No snapshots to be created, skipping subvolume: $sroot/$svol";
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$config_subvol->{ABORTED} = 1;
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$config_subvol->{ABORTED} = "No targets defined for subvolume: $sroot/$svol";
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WARN "Skipping subvolume section: $config_subvol->{ABORTED}";
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next;
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}
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@ -1060,8 +1061,8 @@ MAIN:
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INFO "Creating subvolume snapshot for: $sroot/$svol";
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unless(btrfs_snapshot("$sroot/$svol", $snapshot)) {
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WARN "Failed to create snapshot, skipping subvolume: $sroot/$svol";
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$config_subvol->{ABORTED} = 1;
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$config_subvol->{ABORTED} = "Failed to create snapshot, skipping subvolume: $sroot/$svol";
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WARN "Skipping subvolume section: $config_subvol->{ABORTED}";
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}
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$snapshot_cache{"$sroot/$svol"} = { name => $snapshot_name,
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file => $snapshot };
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@ -1128,7 +1129,12 @@ MAIN:
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else {
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ERROR "Unknown target type \"$target_type\", skipping: $sroot/$svol";
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}
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$config_target->{ABORTED} = 1 unless($success);
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if($success) {
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$config_target->{subvol_created} = "$droot/$snapshot_name";
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}
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else {
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$config_target->{ABORTED} = "btrfs send/receive command failed";
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}
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}
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}
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}
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@ -1155,46 +1161,112 @@ MAIN:
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# delete backups
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#
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INFO "Cleaning backups of subvolume \"$sroot/$svol\": $droot/$svol.*";
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my @check;
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my @schedule;
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foreach my $vol (keys %{$vol_info{$droot}}) {
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if($vol =~ /^$svol\.([0-9]{4})([0-9]{2})([0-9]{2})/) {
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push(@check, { name => "$droot/$vol", sort => $vol, date => [ $1, $2, $3 ] });
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push(@schedule, { name => "$droot/$vol", sort => $vol, date => [ $1, $2, $3 ] });
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}
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}
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my @delete = check_backup_scheme(
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check => \@check,
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schedule => \@schedule,
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today => \@today,
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preserve_day_of_week => config_key($config_target, "preserve_day_of_week"),
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preserve_daily => config_key($config_target, "target_preserve_daily"),
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preserve_weekly => config_key($config_target, "target_preserve_weekly"),
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preserve_monthly => config_key($config_target, "target_preserve_monthly"),
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);
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btrfs_subvolume_delete(@delete);
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if(btrfs_subvolume_delete(@delete)) {
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$config_target->{subvol_deleted} = \@delete;
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}
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else {
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$config_target->{ABORTED} = "btrfs subvolume delete command failed";
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}
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$config_target->{schedule} = \@schedule;
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}
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#
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# delete snapshots
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#
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INFO "Cleaning snapshots: $sroot/$snapdir$svol.*";
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my @check;
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my @schedule;
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foreach my $vol (keys %{$vol_info{$sroot}}) {
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if($vol =~ /^$snapdir$svol\.([0-9]{4})([0-9]{2})([0-9]{2})/) {
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push(@check, { name => "$sroot/$vol", sort => $vol, date => [ $1, $2, $3 ] });
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push(@schedule, { name => "$sroot/$vol", sort => $vol, date => [ $1, $2, $3 ] });
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}
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}
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my @delete = check_backup_scheme(
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check => \@check,
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schedule => \@schedule,
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today => \@today,
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preserve_day_of_week => config_key($config_subvol, "preserve_day_of_week"),
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preserve_daily => config_key($config_subvol, "snapshot_preserve_daily"),
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preserve_weekly => config_key($config_subvol, "snapshot_preserve_weekly"),
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preserve_monthly => config_key($config_subvol, "snapshot_preserve_monthly"),
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);
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btrfs_subvolume_delete(@delete);
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if(btrfs_subvolume_delete(@delete)) {
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$config_subvol->{subvol_deleted} = \@delete;
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}
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else {
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$config_subvol->{ABORTED} = "btrfs subvolume delete command failed";
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}
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$config_subvol->{schedule} = \@schedule;
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}
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}
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# TODO: print summary (add some text to ABORTED flags)
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#
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# print summary
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#
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unless($quiet)
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{
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my $err_count = 0;
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print "--------------------------------------------------------------------------------\n";
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print "$version_info\n";
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print "--------------------------------------------------------------------------------";
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foreach my $config_vol (@{$config->{VOLUME}})
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{
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if($config_vol->{ABORTED}) {
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print "!!! $config_vol->{sroot}: ABORTED: $config_vol->{ABORTED}\n";
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$err_count++;
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}
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foreach my $config_subvol (@{$config_vol->{SUBVOLUME}})
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{
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print "\n$config_vol->{sroot}/$config_subvol->{svol}\n";
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if($config_subvol->{ABORTED}) {
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print "!!! Subvolume \"$config_subvol->{svol}\" aborted: $config_subvol->{ABORTED}\n";
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$err_count++;
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}
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# if($config_subvol->{schedule}) {
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# foreach (sort { $a->{sort} cmp $b->{sort} } @{$config_subvol->{schedule}}) {
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# print(($_->{preserve} ? "===" : "---") . " $_->{name}\n");
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# }
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# }
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if($config_subvol->{subvol_deleted}) {
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print "--- $_\n" foreach(@{$config_subvol->{subvol_deleted}});
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}
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print "+++ $config_subvol->{snapshot}\n" if($config_subvol->{snapshot});
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foreach my $config_target (@{$config_subvol->{TARGET}})
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{
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if($config_target->{ABORTED}) {
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print "!!! Target \"$config_target->{droot}\" aborted: $config_target->{ABORTED}\n";
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$err_count++;
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}
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# if($config_target->{schedule}) {
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# foreach (sort { $a->{sort} cmp $b->{sort} } @{$config_target->{schedule}}) {
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# print(($_->{preserve} ? "===" : "---") . " $_->{name}\n");
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# }
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# }
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if($config_target->{subvol_deleted}) {
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print "--- $_\n" foreach(@{$config_target->{subvol_deleted}});
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}
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print "+++ $config_target->{subvol_created}\n" if($config_target->{subvol_created});
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}
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}
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}
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if($err_count) {
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print "\nNOTE: Some errors occurred, which may result in missing backups!\n";
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print "Please check warning and error messages above.\n";
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}
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}
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}
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}
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