use File::Path;
use IO::File;
use IPC::Open3;
+use JSON;
use PVE::Cluster qw(cfs_read_file);
use PVE::INotify;
}
}
+# number, [precision=1]
+my $num2str = sub {
+ return sprintf( "%." . ( $_[1] || 1 ) . "f", $_[0] );
+};
+my sub bytes_to_human {
+ my ($bytes, $precission) = @_;
+
+ return $num2str->($bytes, $precission) . ' B' if $bytes < 1024;
+ my $kb = $bytes/1024;
+
+ return $num2str->($kb, $precission) . " KiB" if $kb < 1024;
+ my $mb = $kb/1024;
+
+ return $num2str->($mb, $precission) . " MiB" if $mb < 1024;
+ my $gb = $mb/1024;
+
+ return $num2str->($gb, $precission) . " GiB" if $gb < 1024;
+ my $tb = $gb/1024;
+
+ return $num2str->($tb, $precission) . " TiB";
+}
+my sub duration_to_human {
+ my ($seconds) = @_;
+
+ return sprintf('%2ds', $seconds) if $seconds < 60;
+ my $minutes = $seconds / 60;
+ $seconds = $seconds % 60;
+
+ return sprintf('%2dm %2ds', $minutes, $seconds) if $minutes < 60;
+ my $hours = $minutes / 60;
+ $minutes = $minutes % 60;
+
+ return sprintf('%2dh %2dm %2ds', $hours, $minutes, $seconds) if $hours < 24;
+ my $days = $hours / 24;
+ $hours = $hours % 24;
+
+ return sprintf('%2dd %2dh %2dm', $days, $hours, $minutes);
+}
+
+my $bitmap_action_to_human = sub {
+ my ($self, $info) = @_;
+
+ my $action = $info->{action};
+
+ if ($action eq "not-used") {
+ return "disabled (no support)" if $self->{vm_was_running};
+ return "disabled (VM not running)";
+ } elsif ($action eq "not-used-removed") {
+ return "disabled (old bitmap cleared)";
+ } elsif ($action eq "new") {
+ return "created new";
+ } elsif ($action eq "used") {
+ if ($info->{dirty} == 0) {
+ return "OK (drive clean)";
+ } else {
+ my $size = bytes_to_human($info->{size});
+ my $dirty = bytes_to_human($info->{dirty});
+ return "OK ($dirty of $size dirty)";
+ }
+ } elsif ($action eq "invalid") {
+ return "existing bitmap was invalid and has been cleared";
+ } else {
+ return "unknown";
+ }
+};
+
my $query_backup_status_loop = sub {
- my ($self, $vmid, $job_uuid) = @_;
+ my ($self, $vmid, $job_uuid, $qemu_support) = @_;
my $starttime = time ();
my $last_time = $starttime;
- my ($last_percent, $last_total, $last_zero, $last_transferred) = (-1, 0, 0, 0);
- my $transferred;
+ my ($last_percent, $last_total, $last_target, $last_zero, $last_transferred) = (-1, 0, 0, 0, 0);
+ my ($transferred, $reused);
my $get_mbps = sub {
my ($mb, $delta) = @_;
- return ($mb > 0) ? int(($mb / $delta) / (1000 * 1000)) : 0;
+ return "0 B/s" if $mb <= 0;
+ my $bw = int(($mb / $delta));
+ return bytes_to_human($bw) . "/s";
};
+ my $target = 0;
+ my $last_reused = 0;
+ my $has_query_bitmap = $qemu_support && $qemu_support->{'query-bitmap-info'};
+ my $is_template = PVE::QemuConfig->is_template($self->{vmlist}->{$vmid});
+ if ($has_query_bitmap) {
+ my $total = 0;
+ my $bitmap_info = mon_cmd($vmid, 'query-pbs-bitmap-info');
+ for my $info (sort { $a->{drive} cmp $b->{drive} } @$bitmap_info) {
+ if (!$is_template) {
+ my $text = $bitmap_action_to_human->($self, $info);
+ my $drive = $info->{drive};
+ $drive =~ s/^drive-//; # for consistency
+ $self->loginfo("$drive: dirty-bitmap status: $text");
+ }
+ $target += $info->{dirty};
+ $total += $info->{size};
+ $last_reused += $info->{size} - $info->{dirty};
+ }
+ if ($target < $total) {
+ my $total_h = bytes_to_human($total);
+ my $target_h = bytes_to_human($target);
+ $self->loginfo("using fast incremental mode (dirty-bitmap), $target_h dirty of $total_h total");
+ }
+ }
+
+ my $first_round = 1;
+ my $last_finishing = 0;
while(1) {
my $status = mon_cmd($vmid, 'query-backup');
my $total = $status->{total} || 0;
+ my $dirty = $status->{dirty};
+ $target = (defined($dirty) && $dirty < $total) ? $dirty : $total if !$has_query_bitmap;
$transferred = $status->{transferred} || 0;
- my $percent = $total ? int(($transferred * 100)/$total) : 0;
+ $reused = $status->{reused};
+ my $percent = $target ? int(($transferred * 100)/$target) : 100;
my $zero = $status->{'zero-bytes'} || 0;
- my $zero_per = $total ? int(($zero * 100)/$total) : 0;
die "got unexpected uuid\n" if !$status->{uuid} || ($status->{uuid} ne $job_uuid);
my $duration = $ctime - $starttime;
my $rbytes = $transferred - $last_transferred;
- my $wbytes = $rbytes - ($zero - $last_zero);
+ my $wbytes;
+ if ($reused) {
+ # reused includes zero bytes for PBS
+ $wbytes = $rbytes - ($reused - $last_reused);
+ } else {
+ $wbytes = $rbytes - ($zero - $last_zero);
+ }
my $timediff = ($ctime - $last_time) || 1; # fixme
my $mbps_read = $get_mbps->($rbytes, $timediff);
my $mbps_write = $get_mbps->($wbytes, $timediff);
+ my $target_h = bytes_to_human($target);
+ my $transferred_h = bytes_to_human($transferred);
- my $statusline = "status: $percent% ($transferred/$total), sparse ${zero_per}% ($zero), duration $duration, read/write $mbps_read/$mbps_write MB/s";
+ if (!$has_query_bitmap && $first_round && $target != $total) { # FIXME: remove with PVE 7.0
+ my $total_h = bytes_to_human($total);
+ $self->loginfo("using fast incremental mode (dirty-bitmap), $target_h dirty of $total_h total");
+ }
+
+ my $statusline = sprintf("%3d%% ($transferred_h of $target_h) in %s"
+ .", read: $mbps_read, write: $mbps_write", $percent, duration_to_human($duration));
my $res = $status->{status} || 'unknown';
if ($res ne 'active') {
- $self->loginfo($statusline);
+ if ($last_percent < 100) {
+ $self->loginfo($statusline);
+ }
if ($res ne 'done') {
die (($status->{errmsg} || "unknown error") . "\n") if $res eq 'error';
die "got unexpected status '$res'\n";
- } elsif ($total != $transferred) {
- die "got wrong number of transfered bytes ($total != $transferred)\n";
}
+ $last_target = $target if $target;
+ $last_total = $total if $total;
+ $last_zero = $zero if $zero;
+ $last_transferred = $transferred if $transferred;
last;
}
if ($percent != $last_percent && ($timediff > 2)) {
$self->loginfo($statusline);
$last_percent = $percent;
+ $last_target = $target if $target;
$last_total = $total if $total;
$last_zero = $zero if $zero;
$last_transferred = $transferred if $transferred;
$last_time = $ctime;
+ $last_reused = $reused;
+
+ if (!$last_finishing && $status->{finishing}) {
+ $self->loginfo("Waiting for server to finish verification...");
+ }
+ $last_finishing = $status->{finishing};
}
sleep(1);
+ $first_round = 0 if $first_round;
}
my $duration = time() - $starttime;
- if ($transferred && $duration) {
- my $mb = int($transferred / (1000 * 1000));
- my $mbps = $get_mbps->($transferred, $duration);
- $self->loginfo("transferred $mb MB in $duration seconds ($mbps MB/s)");
+
+ if ($last_zero) {
+ my $zero_per = $last_target ? int(($last_zero * 100)/$last_target) : 0;
+ my $zero_h = bytes_to_human($last_zero, 2);
+ $self->loginfo("backup is sparse: $zero_h (${zero_per}%) total zero data");
}
+ if ($reused) {
+ my $reused_h = bytes_to_human($reused, 2);
+ my $reuse_per = int($reused * 100 / $last_total);
+ $self->loginfo("backup was done incrementally, reused $reused_h (${reuse_per}%)");
+ }
+ if ($transferred) {
+ my $transferred_h = bytes_to_human($transferred, 2);
+ if ($duration) {
+ my $mbps = $get_mbps->($transferred, $duration);
+ $self->loginfo("transferred $transferred_h in $duration seconds ($mbps)");
+ } else {
+ $self->loginfo("transferred $transferred_h in <1 seconds");
+ }
+ }
+
+ return {
+ total => $last_total,
+ reused => $reused,
+ };
};
sub archive_pbs {
my $repo = "$username\@$server:$datastore";
my $password = PVE::Storage::PBSPlugin::pbs_get_password($scfg, $opts->{storage});
+ my $keyfile = PVE::Storage::PBSPlugin::pbs_encryption_key_file_name($scfg, $opts->{storage});
my $diskcount = scalar(@{$task->{disks}});
- if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) {
+ # proxmox-backup-client can only handle raw files and block devs
+ # only use it (directly) for disk-less VMs
+ if (!$diskcount) {
my @pathlist;
- foreach my $di (@{$task->{disks}}) {
- if ($di->{type} eq 'block' || $di->{type} eq 'file') {
- push @pathlist, "$di->{qmdevice}.img:$di->{path}";
- } else {
- die "implement me (type $di->{type})";
- }
- }
-
- if (!$diskcount) {
- $self->loginfo("backup contains no disks");
- }
+ $self->loginfo("backup contains no disks");
local $ENV{PBS_PASSWORD} = $password;
local $ENV{PBS_FINGERPRINT} = $fingerprint if defined($fingerprint);
push @$cmd, "qemu-server.conf:$conffile";
push @$cmd, "fw.conf:$firewall" if -e $firewall;
- push @$cmd, @pathlist if scalar(@pathlist);
$self->loginfo("starting template backup");
$self->loginfo(join(' ', @$cmd));
die "interrupted by signal\n";
};
+ my $qemu_support = eval { mon_cmd($vmid, "query-proxmox-support") };
+ if (!$qemu_support) {
+ die "PBS backups are not supported by the running QEMU version. Please make "
+ . "sure you've installed the latest version and the VM has been restarted.\n";
+ }
+
my $fs_frozen = $self->qga_fs_freeze($task, $vmid);
my $params = {
devlist => $devlist,
'config-file' => $conffile,
};
+ $params->{speed} = $opts->{bwlimit}*1024 if $opts->{bwlimit};
$params->{fingerprint} = $fingerprint if defined($fingerprint);
$params->{'firewall-file'} = $firewall if -e $firewall;
+ if (-e $keyfile) {
+ $self->loginfo("enabling encryption");
+ $params->{keyfile} = $keyfile;
+ $params->{encrypt} = JSON::true;
+ } else {
+ $params->{encrypt} = JSON::false;
+ }
+
+ my $is_template = PVE::QemuConfig->is_template($self->{vmlist}->{$vmid});
+ $params->{'use-dirty-bitmap'} = JSON::true
+ if $qemu_support->{'pbs-dirty-bitmap'} && $self->{vm_was_running} && !$is_template;
+
+ $params->{timeout} = 60; # give some time to connect to the backup server
my $res = eval { mon_cmd($vmid, "backup", %$params) };
my $qmperr = $@;
$self->resume_vm_after_job_start($task, $vmid);
- $query_backup_status_loop->($self, $vmid, $backup_job_uuid);
+ my $stat = $query_backup_status_loop->($self, $vmid, $backup_job_uuid, $qemu_support);
+ $task->{size} = $stat->{total};
};
my $err = $@;
if ($err) {
# start with skiplock
my $params = {
skiplock => 1,
+ skiptemplate => 1,
paused => 1,
};
PVE::QemuServer::vm_start($self->{storecfg}, $vmid, $params);
projects / qemu-server.git / blobdiff