mirror of
https://git.proxmox.com/git/pve-manager
synced 2025-07-24 16:34:17 +00:00
dfc62e829c
remove type check for the specific plugins, instead we can deduce it from the supported content type in config (this can only be set on storages that declare to support backups). should also work with external storage plugins. Signed-off-by: Oguz Bektas <o.bektas@proxmox.com>
1314 lines
34 KiB
Perl
1314 lines
34 KiB
Perl
package PVE::VZDump;
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use strict;
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use warnings;
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use Fcntl ':flock';
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use File::Path;
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use IO::File;
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use IO::Select;
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use IPC::Open3;
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use POSIX qw(strftime);
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use Time::Local;
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use PVE::Cluster qw(cfs_read_file);
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use PVE::DataCenterConfig;
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use PVE::Exception qw(raise_param_exc);
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use PVE::HA::Config;
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use PVE::HA::Env::PVE2;
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use PVE::JSONSchema qw(get_standard_option);
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use PVE::RPCEnvironment;
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use PVE::Storage;
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use PVE::VZDump::Common;
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use PVE::VZDump::Plugin;
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use PVE::Tools qw(extract_param split_list);
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use PVE::API2Tools;
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my @posix_filesystems = qw(ext3 ext4 nfs nfs4 reiserfs xfs);
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my $lockfile = '/var/run/vzdump.lock';
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my $pidfile = '/var/run/vzdump.pid';
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my $logdir = '/var/log/vzdump';
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my @plugins = qw();
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my $confdesc = PVE::VZDump::Common::get_confdesc();
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# Load available plugins
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my @pve_vzdump_classes = qw(PVE::VZDump::QemuServer PVE::VZDump::LXC);
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foreach my $plug (@pve_vzdump_classes) {
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my $filename = "/usr/share/perl5/$plug.pm";
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$filename =~ s!::!/!g;
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if (-f $filename) {
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eval { require $filename; };
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if (!$@) {
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$plug->import ();
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push @plugins, $plug;
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} else {
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die $@;
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}
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}
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}
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# helper functions
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sub debugmsg {
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my ($mtype, $msg, $logfd, $syslog) = @_;
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PVE::VZDump::Plugin::debugmsg(@_);
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}
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sub run_command {
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my ($logfd, $cmdstr, %param) = @_;
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my $logfunc = sub {
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my $line = shift;
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debugmsg ('info', $line, $logfd);
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};
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PVE::Tools::run_command($cmdstr, %param, logfunc => $logfunc);
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}
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my $parse_prune_backups_maxfiles = sub {
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my ($param, $kind) = @_;
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my $maxfiles = delete $param->{maxfiles};
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my $prune_backups = $param->{'prune-backups'};
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debugmsg('warn', "both 'maxfiles' and 'prune-backups' defined as ${kind} - ignoring 'maxfiles'")
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if defined($maxfiles) && defined($prune_backups);
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if (defined($prune_backups)) {
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return if ref($prune_backups) eq 'HASH'; # already parsed
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$param->{'prune-backups'} = PVE::JSONSchema::parse_property_string(
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'prune-backups',
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$prune_backups
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);
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} elsif (defined($maxfiles)) {
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if ($maxfiles) {
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$param->{'prune-backups'} = { 'keep-last' => $maxfiles };
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} else {
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$param->{'prune-backups'} = { 'keep-all' => 1 };
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}
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}
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};
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sub storage_info {
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my $storage = shift;
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my $cfg = PVE::Storage::config();
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my $scfg = PVE::Storage::storage_config($cfg, $storage);
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my $type = $scfg->{type};
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die "can't use storage '$storage' for backups - wrong content type\n"
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if (!$scfg->{content}->{backup});
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my $info = {
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scfg => $scfg,
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};
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$info->{'prune-backups'} = PVE::JSONSchema::parse_property_string('prune-backups', $scfg->{'prune-backups'})
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if defined($scfg->{'prune-backups'});
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if ($type eq 'pbs') {
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$info->{pbs} = 1;
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} else {
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$info->{dumpdir} = PVE::Storage::get_backup_dir($cfg, $storage);
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}
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return $info;
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}
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sub format_size {
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my $size = shift;
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my $kb = $size / 1024;
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if ($kb < 1024) {
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return int ($kb) . "KB";
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}
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my $mb = $size / (1024*1024);
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if ($mb < 1024) {
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return int ($mb) . "MB";
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}
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my $gb = $mb / 1024;
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if ($gb < 1024) {
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return sprintf ("%.2fGB", $gb);
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}
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my $tb = $gb / 1024;
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return sprintf ("%.2fTB", $tb);
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}
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sub format_time {
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my $seconds = shift;
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my $hours = int ($seconds/3600);
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$seconds = $seconds - $hours*3600;
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my $min = int ($seconds/60);
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$seconds = $seconds - $min*60;
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return sprintf ("%02d:%02d:%02d", $hours, $min, $seconds);
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}
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sub encode8bit {
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my ($str) = @_;
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$str =~ s/^(.{990})/$1\n/mg; # reduce line length
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return $str;
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}
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sub escape_html {
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my ($str) = @_;
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$str =~ s/&/&/g;
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$str =~ s/</</g;
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$str =~ s/>/>/g;
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return $str;
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}
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sub check_bin {
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my ($bin) = @_;
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foreach my $p (split (/:/, $ENV{PATH})) {
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my $fn = "$p/$bin";
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if (-x $fn) {
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return $fn;
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}
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}
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die "unable to find command '$bin'\n";
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}
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sub check_vmids {
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my (@vmids) = @_;
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my $res = [];
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for my $vmid (sort {$a <=> $b} @vmids) {
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die "ERROR: strange VM ID '${vmid}'\n" if $vmid !~ m/^\d+$/;
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$vmid = int ($vmid); # remove leading zeros
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next if !$vmid;
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push @$res, $vmid;
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}
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return $res;
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}
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sub read_vzdump_defaults {
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my $fn = "/etc/vzdump.conf";
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my $defaults = {
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map {
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my $default = $confdesc->{$_}->{default};
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defined($default) ? ($_ => $default) : ()
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} keys %$confdesc
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};
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$parse_prune_backups_maxfiles->($defaults, "defaults in VZDump schema");
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my $raw;
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eval { $raw = PVE::Tools::file_get_contents($fn); };
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return $defaults if $@;
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my $conf_schema = { type => 'object', properties => $confdesc, };
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my $res = PVE::JSONSchema::parse_config($conf_schema, $fn, $raw);
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if (my $excludes = $res->{'exclude-path'}) {
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$res->{'exclude-path'} = PVE::Tools::split_args($excludes);
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}
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if (defined($res->{mailto})) {
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my @mailto = split_list($res->{mailto});
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$res->{mailto} = [ @mailto ];
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}
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$parse_prune_backups_maxfiles->($res, "options in '$fn'");
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foreach my $key (keys %$defaults) {
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$res->{$key} = $defaults->{$key} if !defined($res->{$key});
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}
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if (defined($res->{storage}) && defined($res->{dumpdir})) {
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debugmsg('warn', "both 'storage' and 'dumpdir' defined in '$fn' - ignoring 'dumpdir'");
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delete $res->{dumpdir};
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}
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return $res;
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}
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use constant MAX_MAIL_SIZE => 1024*1024;
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sub sendmail {
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my ($self, $tasklist, $totaltime, $err, $detail_pre, $detail_post) = @_;
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my $opts = $self->{opts};
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my $mailto = $opts->{mailto};
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return if !($mailto && scalar(@$mailto));
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my $cmdline = $self->{cmdline};
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my $ecount = 0;
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foreach my $task (@$tasklist) {
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$ecount++ if $task->{state} ne 'ok';
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chomp $task->{msg} if $task->{msg};
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$task->{backuptime} = 0 if !$task->{backuptime};
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$task->{size} = 0 if !$task->{size};
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$task->{target} = 'unknown' if !$task->{target};
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$task->{hostname} = "VM $task->{vmid}" if !$task->{hostname};
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if ($task->{state} eq 'todo') {
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$task->{msg} = 'aborted';
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}
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}
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my $notify = $opts->{mailnotification} || 'always';
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return if (!$ecount && !$err && ($notify eq 'failure'));
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my $stat = ($ecount || $err) ? 'backup failed' : 'backup successful';
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if ($err) {
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if ($err =~ /\n/) {
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$stat .= ": multiple problems";
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} else {
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$stat .= ": $err";
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$err = undef;
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}
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}
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my $hostname = `hostname -f` || PVE::INotify::nodename();
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chomp $hostname;
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# text part
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my $text = $err ? "$err\n\n" : '';
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my $namelength = 20;
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$text .= sprintf (
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"%-10s %-${namelength}s %-6s %10s %10s %s\n",
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qw(VMID NAME STATUS TIME SIZE FILENAME)
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);
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foreach my $task (@$tasklist) {
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my $name = substr($task->{hostname}, 0, $namelength);
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my $successful = $task->{state} eq 'ok';
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my $size = $successful ? format_size ($task->{size}) : 0;
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my $filename = $successful ? $task->{target} : '-';
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my $size_fmt = $successful ? "%10s": "%8.2fMB";
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$text .= sprintf(
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"%-10s %-${namelength}s %-6s %10s $size_fmt %s\n",
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$task->{vmid},
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$name,
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$task->{state},
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format_time($task->{backuptime}),
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$size,
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$filename,
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);
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}
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my $text_log_part;
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$text_log_part .= "\nDetailed backup logs:\n\n";
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$text_log_part .= "$cmdline\n\n";
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$text_log_part .= $detail_pre . "\n" if defined($detail_pre);
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foreach my $task (@$tasklist) {
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my $vmid = $task->{vmid};
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my $log = $task->{tmplog};
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if (!$log) {
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$text_log_part .= "$vmid: no log available\n\n";
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next;
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}
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if (open (my $TMP, '<', "$log")) {
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while (my $line = <$TMP>) {
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next if $line =~ /^status: \d+/; # not useful in mails
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$text_log_part .= encode8bit ("$vmid: $line");
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}
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close ($TMP);
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} else {
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$text_log_part .= "$vmid: Could not open log file\n\n";
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}
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$text_log_part .= "\n";
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}
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$text_log_part .= $detail_post if defined($detail_post);
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# html part
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my $html = "<html><body>\n";
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$html .= "<p>" . (escape_html($err) =~ s/\n/<br>/gr) . "</p>\n" if $err;
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$html .= "<table border=1 cellpadding=3>\n";
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$html .= "<tr><td>VMID<td>NAME<td>STATUS<td>TIME<td>SIZE<td>FILENAME</tr>\n";
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my $ssize = 0;
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foreach my $task (@$tasklist) {
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my $vmid = $task->{vmid};
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my $name = $task->{hostname};
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if ($task->{state} eq 'ok') {
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$ssize += $task->{size};
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$html .= sprintf (
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"<tr><td>%s<td>%s<td>OK<td>%s<td align=right>%s<td>%s</tr>\n",
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$vmid,
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$name,
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format_time($task->{backuptime}),
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format_size ($task->{size}),
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escape_html ($task->{target}),
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);
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} else {
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$html .= sprintf (
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"<tr><td>%s<td>%s<td><font color=red>FAILED<td>%s<td colspan=2>%s</tr>\n",
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$vmid,
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$name,
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format_time($task->{backuptime}),
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escape_html ($task->{msg}),
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);
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}
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}
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$html .= sprintf ("<tr><td align=left colspan=3>TOTAL<td>%s<td>%s<td></tr>",
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format_time ($totaltime), format_size ($ssize));
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$html .= "\n</table><br><br>\n";
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my $html_log_part;
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$html_log_part .= "Detailed backup logs:<br /><br />\n";
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$html_log_part .= "<pre>\n";
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$html_log_part .= escape_html($cmdline) . "\n\n";
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$html_log_part .= escape_html($detail_pre) . "\n" if defined($detail_pre);
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foreach my $task (@$tasklist) {
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my $vmid = $task->{vmid};
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my $log = $task->{tmplog};
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if (!$log) {
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$html_log_part .= "$vmid: no log available\n\n";
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next;
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}
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if (open (my $TMP, '<', "$log")) {
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while (my $line = <$TMP>) {
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next if $line =~ /^status: \d+/; # not useful in mails
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if ($line =~ m/^\S+\s\d+\s+\d+:\d+:\d+\s+(ERROR|WARN):/) {
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$html_log_part .= encode8bit ("$vmid: <font color=red>".
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escape_html ($line) . "</font>");
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} else {
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$html_log_part .= encode8bit ("$vmid: " . escape_html ($line));
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}
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}
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close ($TMP);
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} else {
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$html_log_part .= "$vmid: Could not open log file\n\n";
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}
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$html_log_part .= "\n";
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}
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$html_log_part .= escape_html($detail_post) if defined($detail_post);
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$html_log_part .= "</pre>";
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my $html_end = "\n</body></html>\n";
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# end html part
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if (length($text) + length($text_log_part) +
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length($html) + length($html_log_part) +
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length($html_end) < MAX_MAIL_SIZE)
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{
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$html .= $html_log_part;
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$html .= $html_end;
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$text .= $text_log_part;
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} else {
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my $msg = "Log output was too long to be sent by mail. ".
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"See Task History for details!\n";
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$text .= $msg;
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$html .= "<p>$msg</p>";
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$html .= $html_end;
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}
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my $subject = "vzdump backup status ($hostname) : $stat";
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my $dcconf = PVE::Cluster::cfs_read_file('datacenter.cfg');
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my $mailfrom = $dcconf->{email_from} || "root";
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PVE::Tools::sendmail($mailto, $subject, $text, $html, $mailfrom, "vzdump backup tool");
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};
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sub new {
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my ($class, $cmdline, $opts, $skiplist) = @_;
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mkpath $logdir;
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check_bin ('cp');
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check_bin ('df');
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check_bin ('sendmail');
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check_bin ('rsync');
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check_bin ('tar');
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check_bin ('mount');
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check_bin ('umount');
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check_bin ('cstream');
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check_bin ('ionice');
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if ($opts->{mode} && $opts->{mode} eq 'snapshot') {
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check_bin ('lvcreate');
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check_bin ('lvs');
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check_bin ('lvremove');
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}
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my $defaults = read_vzdump_defaults();
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foreach my $k (keys %$defaults) {
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next if $k eq 'exclude-path' || $k eq 'prune-backups'; # dealt with separately
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if ($k eq 'dumpdir' || $k eq 'storage') {
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$opts->{$k} = $defaults->{$k} if !defined ($opts->{dumpdir}) &&
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!defined ($opts->{storage});
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} else {
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$opts->{$k} = $defaults->{$k} if !defined ($opts->{$k});
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}
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}
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$opts->{dumpdir} =~ s|/+$|| if ($opts->{dumpdir});
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$opts->{tmpdir} =~ s|/+$|| if ($opts->{tmpdir});
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$skiplist = [] if !$skiplist;
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my $self = bless {
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cmdline => $cmdline,
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opts => $opts,
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skiplist => $skiplist,
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}, $class;
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my $findexcl = $self->{findexcl} = [];
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if ($defaults->{'exclude-path'}) {
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push @$findexcl, @{$defaults->{'exclude-path'}};
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}
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if ($opts->{'exclude-path'}) {
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push @$findexcl, @{$opts->{'exclude-path'}};
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}
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if ($opts->{stdexcludes}) {
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push @$findexcl,
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'/tmp/?*',
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'/var/tmp/?*',
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'/var/run/?*.pid',
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;
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}
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foreach my $p (@plugins) {
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my $pd = $p->new($self);
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push @{$self->{plugins}}, $pd;
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}
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if (defined($opts->{storage}) && $opts->{stdout}) {
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die "cannot use options 'storage' and 'stdout' at the same time\n";
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} elsif (defined($opts->{storage}) && defined($opts->{dumpdir})) {
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die "cannot use options 'storage' and 'dumpdir' at the same time\n";
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}
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if (!$opts->{dumpdir} && !$opts->{storage}) {
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$opts->{storage} = 'local';
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}
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my $errors = '';
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|
|
if ($opts->{storage}) {
|
|
my $storage_cfg = PVE::Storage::config();
|
|
eval { PVE::Storage::activate_storage($storage_cfg, $opts->{storage}) };
|
|
if (my $err = $@) {
|
|
chomp($err);
|
|
$errors .= "could not activate storage '$opts->{storage}': $err";
|
|
}
|
|
|
|
my $info = eval { storage_info ($opts->{storage}) };
|
|
if (my $err = $@) {
|
|
chomp($err);
|
|
$errors .= "could not get storage information for '$opts->{storage}': $err";
|
|
} else {
|
|
$opts->{dumpdir} = $info->{dumpdir};
|
|
$opts->{scfg} = $info->{scfg};
|
|
$opts->{pbs} = $info->{pbs};
|
|
$opts->{'prune-backups'} //= $info->{'prune-backups'};
|
|
}
|
|
} elsif ($opts->{dumpdir}) {
|
|
$errors .= "dumpdir '$opts->{dumpdir}' does not exist"
|
|
if ! -d $opts->{dumpdir};
|
|
} else {
|
|
die "internal error";
|
|
}
|
|
|
|
$opts->{'prune-backups'} //= $defaults->{'prune-backups'};
|
|
|
|
# avoid triggering any remove code path if keep-all is set
|
|
$opts->{remove} = 0 if $opts->{'prune-backups'}->{'keep-all'};
|
|
|
|
if ($opts->{tmpdir} && ! -d $opts->{tmpdir}) {
|
|
$errors .= "\n" if $errors;
|
|
$errors .= "tmpdir '$opts->{tmpdir}' does not exist";
|
|
}
|
|
|
|
if ($errors) {
|
|
eval { $self->sendmail([], 0, $errors); };
|
|
debugmsg ('err', $@) if $@;
|
|
die "$errors\n";
|
|
}
|
|
|
|
return $self;
|
|
}
|
|
|
|
sub get_mount_info {
|
|
my ($dir) = @_;
|
|
|
|
# Note: df 'available' can be negative, and percentage set to '-'
|
|
|
|
my $cmd = [ 'df', '-P', '-T', '-B', '1', $dir];
|
|
|
|
my $res;
|
|
|
|
my $parser = sub {
|
|
my $line = shift;
|
|
if (my ($fsid, $fstype, undef, $mp) = $line =~
|
|
m!(\S+.*)\s+(\S+)\s+\d+\s+\-?\d+\s+\d+\s+(\d+%|-)\s+(/.*)$!) {
|
|
$res = {
|
|
device => $fsid,
|
|
fstype => $fstype,
|
|
mountpoint => $mp,
|
|
};
|
|
}
|
|
};
|
|
|
|
eval { PVE::Tools::run_command($cmd, errfunc => sub {}, outfunc => $parser); };
|
|
warn $@ if $@;
|
|
|
|
return $res;
|
|
}
|
|
|
|
sub getlock {
|
|
my ($self, $upid) = @_;
|
|
|
|
my $fh;
|
|
|
|
my $maxwait = $self->{opts}->{lockwait} || $self->{lockwait};
|
|
|
|
die "missing UPID" if !$upid; # should not happen
|
|
|
|
my $SERVER_FLCK;
|
|
if (!open ($SERVER_FLCK, '>>', "$lockfile")) {
|
|
debugmsg ('err', "can't open lock on file '$lockfile' - $!", undef, 1);
|
|
die "can't open lock on file '$lockfile' - $!";
|
|
}
|
|
|
|
if (!flock ($SERVER_FLCK, LOCK_EX|LOCK_NB)) {
|
|
if (!$maxwait) {
|
|
debugmsg ('err', "can't acquire lock '$lockfile' (wait = 0)", undef, 1);
|
|
die "can't acquire lock '$lockfile' (wait = 0)";
|
|
}
|
|
|
|
debugmsg('info', "trying to get global lock - waiting...", undef, 1);
|
|
eval {
|
|
alarm ($maxwait * 60);
|
|
|
|
local $SIG{ALRM} = sub { alarm (0); die "got timeout\n"; };
|
|
|
|
if (!flock ($SERVER_FLCK, LOCK_EX)) {
|
|
my $err = $!;
|
|
close ($SERVER_FLCK);
|
|
alarm (0);
|
|
die "$err\n";
|
|
}
|
|
alarm (0);
|
|
};
|
|
alarm (0);
|
|
|
|
my $err = $@;
|
|
|
|
if ($err) {
|
|
debugmsg ('err', "can't acquire lock '$lockfile' - $err", undef, 1);
|
|
die "can't acquire lock '$lockfile' - $err";
|
|
}
|
|
|
|
debugmsg('info', "got global lock", undef, 1);
|
|
}
|
|
|
|
PVE::Tools::file_set_contents($pidfile, $upid);
|
|
|
|
return $SERVER_FLCK;
|
|
}
|
|
|
|
sub run_hook_script {
|
|
my ($self, $phase, $task, $logfd) = @_;
|
|
|
|
my $opts = $self->{opts};
|
|
|
|
my $script = $opts->{script};
|
|
return if !$script;
|
|
|
|
if (!-x $script) {
|
|
die "The hook script '$script' is not executable.\n";
|
|
}
|
|
|
|
my $cmd = [$script, $phase];
|
|
|
|
if ($task) {
|
|
push @$cmd, $task->{mode};
|
|
push @$cmd, $task->{vmid};
|
|
}
|
|
|
|
local %ENV;
|
|
# set immutable opts directly (so they are available in all phases)
|
|
$ENV{STOREID} = $opts->{storage} if $opts->{storage};
|
|
$ENV{DUMPDIR} = $opts->{dumpdir} if $opts->{dumpdir};
|
|
|
|
foreach my $ek (qw(vmtype hostname target logfile)) {
|
|
$ENV{uc($ek)} = $task->{$ek} if $task->{$ek};
|
|
}
|
|
|
|
run_command ($logfd, $cmd);
|
|
}
|
|
|
|
sub compressor_info {
|
|
my ($opts) = @_;
|
|
my $opt_compress = $opts->{compress};
|
|
|
|
if (!$opt_compress || $opt_compress eq '0') {
|
|
return undef;
|
|
} elsif ($opt_compress eq '1' || $opt_compress eq 'lzo') {
|
|
return ('lzop', 'lzo');
|
|
} elsif ($opt_compress eq 'gzip') {
|
|
if ($opts->{pigz} > 0) {
|
|
my $pigz_threads = $opts->{pigz};
|
|
if ($pigz_threads == 1) {
|
|
my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
|
|
$pigz_threads = int(($cpuinfo->{cpus} + 1)/2);
|
|
}
|
|
return ("pigz -p ${pigz_threads} --rsyncable", 'gz');
|
|
} else {
|
|
return ('gzip --rsyncable', 'gz');
|
|
}
|
|
} elsif ($opt_compress eq 'zstd') {
|
|
my $zstd_threads = $opts->{zstd} // 1;
|
|
if ($zstd_threads == 0) {
|
|
my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
|
|
$zstd_threads = int(($cpuinfo->{cpus} + 1)/2);
|
|
}
|
|
return ("zstd --rsyncable --threads=${zstd_threads}", 'zst');
|
|
} else {
|
|
die "internal error - unknown compression option '$opt_compress'";
|
|
}
|
|
}
|
|
|
|
sub get_backup_file_list {
|
|
my ($dir, $bkname, $exclude_fn) = @_;
|
|
|
|
my $bklist = [];
|
|
foreach my $fn (<$dir/${bkname}-*>) {
|
|
next if $exclude_fn && $fn eq $exclude_fn;
|
|
|
|
my $archive_info = eval { PVE::Storage::archive_info($fn) } // {};
|
|
if ($archive_info->{is_std_name}) {
|
|
my $filename = $archive_info->{filename};
|
|
my $backup = {
|
|
'path' => "$dir/$filename",
|
|
'ctime' => $archive_info->{ctime},
|
|
};
|
|
push @{$bklist}, $backup;
|
|
}
|
|
}
|
|
|
|
return $bklist;
|
|
}
|
|
|
|
sub exec_backup_task {
|
|
my ($self, $task) = @_;
|
|
|
|
my $opts = $self->{opts};
|
|
|
|
my $cfg = PVE::Storage::config();
|
|
my $vmid = $task->{vmid};
|
|
my $plugin = $task->{plugin};
|
|
|
|
$task->{backup_time} = time();
|
|
|
|
my $pbs_group_name;
|
|
my $pbs_snapshot_name;
|
|
|
|
my $vmstarttime = time ();
|
|
|
|
my $logfd;
|
|
|
|
my $cleanup = {};
|
|
|
|
my $log_vm_online_again = sub {
|
|
return if !defined($task->{vmstoptime});
|
|
$task->{vmconttime} //= time();
|
|
my $delay = $task->{vmconttime} - $task->{vmstoptime};
|
|
$delay = '<1' if $delay < 1;
|
|
debugmsg ('info', "guest is online again after $delay seconds", $logfd);
|
|
};
|
|
|
|
eval {
|
|
die "unable to find VM '$vmid'\n" if !$plugin;
|
|
|
|
my $vmtype = $plugin->type();
|
|
|
|
if ($self->{opts}->{pbs}) {
|
|
if ($vmtype eq 'lxc') {
|
|
$pbs_group_name = "ct/$vmid";
|
|
} elsif ($vmtype eq 'qemu') {
|
|
$pbs_group_name = "vm/$vmid";
|
|
} else {
|
|
die "pbs backup not implemented for plugin type '$vmtype'\n";
|
|
}
|
|
my $btime = strftime("%FT%TZ", gmtime($task->{backup_time}));
|
|
$pbs_snapshot_name = "$pbs_group_name/$btime";
|
|
}
|
|
|
|
# for now we deny backups of a running ha managed service in *stop* mode
|
|
# as it interferes with the HA stack (started services should not stop).
|
|
if ($opts->{mode} eq 'stop' &&
|
|
PVE::HA::Config::vm_is_ha_managed($vmid, 'started'))
|
|
{
|
|
die "Cannot execute a backup with stop mode on a HA managed and".
|
|
" enabled Service. Use snapshot mode or disable the Service.\n";
|
|
}
|
|
|
|
my $tmplog = "$logdir/$vmtype-$vmid.log";
|
|
|
|
my $bkname = "vzdump-$vmtype-$vmid";
|
|
my $basename = $bkname . strftime("-%Y_%m_%d-%H_%M_%S", localtime($task->{backup_time}));
|
|
|
|
my $prune_options = $opts->{'prune-backups'};
|
|
|
|
my $backup_limit = 0;
|
|
if (!$prune_options->{'keep-all'}) {
|
|
foreach my $keep (values %{$prune_options}) {
|
|
$backup_limit += $keep;
|
|
}
|
|
}
|
|
|
|
if ($backup_limit && !$opts->{remove}) {
|
|
my $count;
|
|
if ($self->{opts}->{pbs}) {
|
|
my $res = PVE::Storage::PBSPlugin::run_client_cmd($opts->{scfg}, $opts->{storage}, 'snapshots', $pbs_group_name);
|
|
$count = scalar(@$res);
|
|
} else {
|
|
my $bklist = get_backup_file_list($opts->{dumpdir}, $bkname);
|
|
$count = scalar(@$bklist);
|
|
}
|
|
die "There is a max backup limit of $backup_limit enforced by the".
|
|
" target storage or the vzdump parameters.".
|
|
" Either increase the limit or delete old backup(s).\n"
|
|
if $count >= $backup_limit;
|
|
}
|
|
|
|
if (!$self->{opts}->{pbs}) {
|
|
$task->{logfile} = "$opts->{dumpdir}/$basename.log";
|
|
}
|
|
|
|
my $ext = $vmtype eq 'qemu' ? '.vma' : '.tar';
|
|
my ($comp, $comp_ext) = compressor_info($opts);
|
|
if ($comp && $comp_ext) {
|
|
$ext .= ".${comp_ext}";
|
|
}
|
|
|
|
if ($self->{opts}->{pbs}) {
|
|
die "unable to pipe backup to stdout\n" if $opts->{stdout};
|
|
$task->{target} = $pbs_snapshot_name;
|
|
} else {
|
|
if ($opts->{stdout}) {
|
|
$task->{target} = '-';
|
|
} else {
|
|
$task->{target} = $task->{tmptar} = "$opts->{dumpdir}/$basename$ext";
|
|
$task->{tmptar} =~ s/\.[^\.]+$/\.dat/;
|
|
unlink $task->{tmptar};
|
|
}
|
|
}
|
|
|
|
$task->{vmtype} = $vmtype;
|
|
|
|
my $pid = $$;
|
|
if ($opts->{tmpdir}) {
|
|
$task->{tmpdir} = "$opts->{tmpdir}/vzdumptmp${pid}_$vmid/";
|
|
} elsif ($self->{opts}->{pbs}) {
|
|
$task->{tmpdir} = "/var/tmp/vzdumptmp${pid}_$vmid";
|
|
} else {
|
|
# dumpdir is posix? then use it as temporary dir
|
|
my $info = get_mount_info($opts->{dumpdir});
|
|
if ($vmtype eq 'qemu' ||
|
|
grep ($_ eq $info->{fstype}, @posix_filesystems)) {
|
|
$task->{tmpdir} = "$opts->{dumpdir}/$basename.tmp";
|
|
} else {
|
|
$task->{tmpdir} = "/var/tmp/vzdumptmp${pid}_$vmid";
|
|
debugmsg ('info', "filesystem type on dumpdir is '$info->{fstype}' -" .
|
|
"using $task->{tmpdir} for temporary files", $logfd);
|
|
}
|
|
}
|
|
|
|
rmtree $task->{tmpdir};
|
|
mkdir $task->{tmpdir};
|
|
-d $task->{tmpdir} ||
|
|
die "unable to create temporary directory '$task->{tmpdir}'";
|
|
|
|
$logfd = IO::File->new (">$tmplog") ||
|
|
die "unable to create log file '$tmplog'";
|
|
|
|
$task->{dumpdir} = $opts->{dumpdir};
|
|
$task->{storeid} = $opts->{storage};
|
|
$task->{scfg} = $opts->{scfg};
|
|
$task->{tmplog} = $tmplog;
|
|
|
|
unlink $task->{logfile} if defined($task->{logfile});
|
|
|
|
debugmsg ('info', "Starting Backup of VM $vmid ($vmtype)", $logfd, 1);
|
|
debugmsg ('info', "Backup started at " . strftime("%F %H:%M:%S", localtime()));
|
|
|
|
$plugin->set_logfd ($logfd);
|
|
|
|
# test is VM is running
|
|
my ($running, $status_text) = $plugin->vm_status ($vmid);
|
|
|
|
debugmsg ('info', "status = ${status_text}", $logfd);
|
|
|
|
# lock VM (prevent config changes)
|
|
$plugin->lock_vm ($vmid);
|
|
|
|
$cleanup->{unlock} = 1;
|
|
|
|
# prepare
|
|
|
|
my $mode = $running ? $task->{mode} : 'stop';
|
|
|
|
if ($mode eq 'snapshot') {
|
|
my %saved_task = %$task;
|
|
eval { $plugin->prepare ($task, $vmid, $mode); };
|
|
if (my $err = $@) {
|
|
die $err if $err !~ m/^mode failure/;
|
|
debugmsg ('info', $err, $logfd);
|
|
debugmsg ('info', "trying 'suspend' mode instead", $logfd);
|
|
$mode = 'suspend'; # so prepare is called again below
|
|
%$task = %saved_task;
|
|
}
|
|
}
|
|
|
|
$cleanup->{prepared} = 1;
|
|
|
|
$task->{mode} = $mode;
|
|
|
|
debugmsg ('info', "backup mode: $mode", $logfd);
|
|
debugmsg ('info', "bandwidth limit: $opts->{bwlimit} KB/s", $logfd) if $opts->{bwlimit};
|
|
debugmsg ('info', "ionice priority: $opts->{ionice}", $logfd);
|
|
|
|
if ($mode eq 'stop') {
|
|
$plugin->prepare ($task, $vmid, $mode);
|
|
|
|
$self->run_hook_script ('backup-start', $task, $logfd);
|
|
|
|
if ($running) {
|
|
debugmsg ('info', "stopping virtual guest", $logfd);
|
|
$task->{vmstoptime} = time();
|
|
$self->run_hook_script ('pre-stop', $task, $logfd);
|
|
$plugin->stop_vm ($task, $vmid);
|
|
$cleanup->{restart} = 1;
|
|
}
|
|
|
|
|
|
} elsif ($mode eq 'suspend') {
|
|
$plugin->prepare ($task, $vmid, $mode);
|
|
|
|
$self->run_hook_script ('backup-start', $task, $logfd);
|
|
|
|
if ($vmtype eq 'lxc') {
|
|
# pre-suspend rsync
|
|
$plugin->copy_data_phase1($task, $vmid);
|
|
}
|
|
|
|
debugmsg ('info', "suspending guest", $logfd);
|
|
$task->{vmstoptime} = time ();
|
|
$self->run_hook_script ('pre-stop', $task, $logfd);
|
|
$plugin->suspend_vm ($task, $vmid);
|
|
$cleanup->{resume} = 1;
|
|
|
|
if ($vmtype eq 'lxc') {
|
|
# post-suspend rsync
|
|
$plugin->copy_data_phase2($task, $vmid);
|
|
|
|
debugmsg ('info', "resuming guest", $logfd);
|
|
$cleanup->{resume} = 0;
|
|
$self->run_hook_script('pre-restart', $task, $logfd);
|
|
$plugin->resume_vm($task, $vmid);
|
|
$self->run_hook_script('post-restart', $task, $logfd);
|
|
$log_vm_online_again->();
|
|
}
|
|
|
|
} elsif ($mode eq 'snapshot') {
|
|
$self->run_hook_script ('backup-start', $task, $logfd);
|
|
|
|
my $snapshot_count = $task->{snapshot_count} || 0;
|
|
|
|
$self->run_hook_script ('pre-stop', $task, $logfd);
|
|
|
|
if ($snapshot_count > 1) {
|
|
debugmsg ('info', "suspend vm to make snapshot", $logfd);
|
|
$task->{vmstoptime} = time ();
|
|
$plugin->suspend_vm ($task, $vmid);
|
|
$cleanup->{resume} = 1;
|
|
}
|
|
|
|
$plugin->snapshot ($task, $vmid);
|
|
|
|
$self->run_hook_script ('pre-restart', $task, $logfd);
|
|
|
|
if ($snapshot_count > 1) {
|
|
debugmsg ('info', "resume vm", $logfd);
|
|
$cleanup->{resume} = 0;
|
|
$plugin->resume_vm ($task, $vmid);
|
|
$log_vm_online_again->();
|
|
}
|
|
|
|
$self->run_hook_script ('post-restart', $task, $logfd);
|
|
|
|
} else {
|
|
die "internal error - unknown mode '$mode'\n";
|
|
}
|
|
|
|
# assemble archive image
|
|
$plugin->assemble ($task, $vmid);
|
|
|
|
# produce archive
|
|
|
|
if ($opts->{stdout}) {
|
|
debugmsg ('info', "sending archive to stdout", $logfd);
|
|
$plugin->archive($task, $vmid, $task->{tmptar}, $comp);
|
|
$self->run_hook_script ('backup-end', $task, $logfd);
|
|
return;
|
|
}
|
|
|
|
my $archive_txt = $self->{opts}->{pbs} ? 'Proxmox Backup Server' : 'vzdump';
|
|
debugmsg('info', "creating $archive_txt archive '$task->{target}'", $logfd);
|
|
$plugin->archive($task, $vmid, $task->{tmptar}, $comp);
|
|
|
|
if ($self->{opts}->{pbs}) {
|
|
# size is added to task struct in guest vzdump plugins
|
|
} else {
|
|
rename ($task->{tmptar}, $task->{target}) ||
|
|
die "unable to rename '$task->{tmptar}' to '$task->{target}'\n";
|
|
|
|
# determine size
|
|
$task->{size} = (-s $task->{target}) || 0;
|
|
my $cs = format_size ($task->{size});
|
|
debugmsg ('info', "archive file size: $cs", $logfd);
|
|
}
|
|
|
|
if ($opts->{remove}) {
|
|
my $keepstr = join(', ', map { "$_=$prune_options->{$_}" } sort keys %$prune_options);
|
|
debugmsg ('info', "prune older backups with retention: $keepstr", $logfd);
|
|
my $pruned = 0;
|
|
if (!defined($opts->{storage})) {
|
|
my $bklist = get_backup_file_list($opts->{dumpdir}, $bkname, $task->{target});
|
|
PVE::Storage::prune_mark_backup_group($bklist, $prune_options);
|
|
|
|
foreach my $prune_entry (@{$bklist}) {
|
|
next if $prune_entry->{mark} ne 'remove';
|
|
$pruned++;
|
|
my $archive_path = $prune_entry->{path};
|
|
debugmsg ('info', "delete old backup '$archive_path'", $logfd);
|
|
PVE::Storage::archive_remove($archive_path);
|
|
}
|
|
} else {
|
|
my $pruned_list = PVE::Storage::prune_backups(
|
|
$cfg,
|
|
$opts->{storage},
|
|
$prune_options,
|
|
$vmid,
|
|
$vmtype,
|
|
0,
|
|
sub { debugmsg($_[0], $_[1], $logfd) },
|
|
);
|
|
$pruned = scalar(grep { $_->{mark} eq 'remove' } $pruned_list->@*);
|
|
}
|
|
my $log_pruned_extra = $pruned > 0 ? " not covered by keep-retention policy" : "";
|
|
debugmsg ('info', "pruned $pruned backup(s)${log_pruned_extra}", $logfd);
|
|
}
|
|
|
|
$self->run_hook_script ('backup-end', $task, $logfd);
|
|
};
|
|
my $err = $@;
|
|
|
|
if ($plugin) {
|
|
# clean-up
|
|
|
|
if ($cleanup->{unlock}) {
|
|
eval { $plugin->unlock_vm ($vmid); };
|
|
warn $@ if $@;
|
|
}
|
|
|
|
if ($cleanup->{prepared}) {
|
|
# only call cleanup when necessary (when prepare was executed)
|
|
eval { $plugin->cleanup ($task, $vmid) };
|
|
warn $@ if $@;
|
|
}
|
|
|
|
eval { $plugin->set_logfd (undef); };
|
|
warn $@ if $@;
|
|
|
|
if ($cleanup->{resume} || $cleanup->{restart}) {
|
|
eval {
|
|
$self->run_hook_script ('pre-restart', $task, $logfd);
|
|
if ($cleanup->{resume}) {
|
|
debugmsg ('info', "resume vm", $logfd);
|
|
$plugin->resume_vm ($task, $vmid);
|
|
} else {
|
|
my $running = $plugin->vm_status($vmid);
|
|
if (!$running) {
|
|
debugmsg ('info', "restarting vm", $logfd);
|
|
$plugin->start_vm ($task, $vmid);
|
|
}
|
|
}
|
|
$self->run_hook_script ('post-restart', $task, $logfd);
|
|
};
|
|
my $err = $@;
|
|
if ($err) {
|
|
warn $err;
|
|
} else {
|
|
$log_vm_online_again->();
|
|
}
|
|
}
|
|
}
|
|
|
|
eval { unlink $task->{tmptar} if $task->{tmptar} && -f $task->{tmptar}; };
|
|
warn $@ if $@;
|
|
|
|
eval { rmtree $task->{tmpdir} if $task->{tmpdir} && -d $task->{tmpdir}; };
|
|
warn $@ if $@;
|
|
|
|
my $delay = $task->{backuptime} = time () - $vmstarttime;
|
|
|
|
if ($err) {
|
|
$task->{state} = 'err';
|
|
$task->{msg} = $err;
|
|
debugmsg ('err', "Backup of VM $vmid failed - $err", $logfd, 1);
|
|
debugmsg ('info', "Failed at " . strftime("%F %H:%M:%S", localtime()));
|
|
|
|
eval { $self->run_hook_script ('backup-abort', $task, $logfd); };
|
|
|
|
} else {
|
|
$task->{state} = 'ok';
|
|
my $tstr = format_time ($delay);
|
|
debugmsg ('info', "Finished Backup of VM $vmid ($tstr)", $logfd, 1);
|
|
debugmsg ('info', "Backup finished at " . strftime("%F %H:%M:%S", localtime()));
|
|
}
|
|
|
|
close ($logfd) if $logfd;
|
|
|
|
if ($task->{tmplog}) {
|
|
if ($self->{opts}->{pbs}) {
|
|
if ($task->{state} eq 'ok') {
|
|
eval {
|
|
PVE::Storage::PBSPlugin::run_raw_client_cmd(
|
|
$opts->{scfg},
|
|
$opts->{storage},
|
|
'upload-log',
|
|
[ $pbs_snapshot_name, $task->{tmplog} ],
|
|
errmsg => "uploading backup task log failed",
|
|
);
|
|
};
|
|
debugmsg('warn', "$@") if $@; # $@ contains already error prefix
|
|
}
|
|
} elsif ($task->{logfile}) {
|
|
system {'cp'} 'cp', $task->{tmplog}, $task->{logfile};
|
|
}
|
|
}
|
|
|
|
eval { $self->run_hook_script ('log-end', $task); };
|
|
|
|
die $err if $err && $err =~ m/^interrupted by signal$/;
|
|
}
|
|
|
|
sub exec_backup {
|
|
my ($self, $rpcenv, $authuser) = @_;
|
|
|
|
my $opts = $self->{opts};
|
|
|
|
debugmsg ('info', "starting new backup job: $self->{cmdline}", undef, 1);
|
|
|
|
if (scalar(@{$self->{skiplist}})) {
|
|
my $skip_string = join(', ', sort { $a <=> $b } @{$self->{skiplist}});
|
|
debugmsg ('info', "skip external VMs: $skip_string");
|
|
}
|
|
|
|
my $tasklist = [];
|
|
my $vzdump_plugins = {};
|
|
foreach my $plugin (@{$self->{plugins}}) {
|
|
my $type = $plugin->type();
|
|
next if exists $vzdump_plugins->{$type};
|
|
$vzdump_plugins->{$type} = $plugin;
|
|
}
|
|
|
|
my $vmlist = PVE::Cluster::get_vmlist();
|
|
my $vmids = [ sort { $a <=> $b } @{$opts->{vmids}} ];
|
|
foreach my $vmid (@{$vmids}) {
|
|
my $plugin;
|
|
if (defined($vmlist->{ids}->{$vmid})) {
|
|
my $guest_type = $vmlist->{ids}->{$vmid}->{type};
|
|
$plugin = $vzdump_plugins->{$guest_type};
|
|
next if !$rpcenv->check($authuser, "/vms/$vmid", [ 'VM.Backup' ], $opts->{all});
|
|
}
|
|
push @$tasklist, {
|
|
mode => $opts->{mode},
|
|
plugin => $plugin,
|
|
state => 'todo',
|
|
vmid => $vmid,
|
|
};
|
|
}
|
|
|
|
# Use in-memory files for the outer hook logs to pass them to sendmail.
|
|
my $job_start_log = '';
|
|
my $job_end_log = '';
|
|
open my $job_start_fd, '>', \$job_start_log;
|
|
open my $job_end_fd, '>', \$job_end_log;
|
|
|
|
my $starttime = time();
|
|
my $errcount = 0;
|
|
eval {
|
|
|
|
$self->run_hook_script ('job-start', undef, $job_start_fd);
|
|
|
|
foreach my $task (@$tasklist) {
|
|
$self->exec_backup_task ($task);
|
|
$errcount += 1 if $task->{state} ne 'ok';
|
|
}
|
|
|
|
$self->run_hook_script ('job-end', undef, $job_end_fd);
|
|
};
|
|
my $err = $@;
|
|
|
|
$self->run_hook_script ('job-abort', undef, $job_end_fd) if $err;
|
|
|
|
if ($err) {
|
|
debugmsg ('err', "Backup job failed - $err", undef, 1);
|
|
} else {
|
|
if ($errcount) {
|
|
debugmsg ('info', "Backup job finished with errors", undef, 1);
|
|
} else {
|
|
debugmsg ('info', "Backup job finished successfully", undef, 1);
|
|
}
|
|
}
|
|
|
|
close $job_start_fd;
|
|
close $job_end_fd;
|
|
|
|
my $totaltime = time() - $starttime;
|
|
|
|
eval { $self->sendmail ($tasklist, $totaltime, undef, $job_start_log, $job_end_log); };
|
|
debugmsg ('err', $@) if $@;
|
|
|
|
die $err if $err;
|
|
|
|
die "job errors\n" if $errcount;
|
|
|
|
unlink $pidfile;
|
|
}
|
|
|
|
|
|
sub option_exists {
|
|
my $key = shift;
|
|
return defined($confdesc->{$key});
|
|
}
|
|
|
|
# NOTE it might make sense to merge this and verify_vzdump_parameters(), but one
|
|
# needs to adapt command_line() in guest-common's PVE/VZDump/Common.pm and detect
|
|
# a second parsing attempt, because verify_vzdump_parameters() is called twice
|
|
# during the update_job API call.
|
|
sub parse_mailto_exclude_path {
|
|
my ($param) = @_;
|
|
|
|
# exclude-path list need to be 0 separated
|
|
if (defined($param->{'exclude-path'})) {
|
|
my @expaths = split(/\0/, $param->{'exclude-path'} || '');
|
|
$param->{'exclude-path'} = [ @expaths ];
|
|
}
|
|
|
|
if (defined($param->{mailto})) {
|
|
my @mailto = PVE::Tools::split_list(extract_param($param, 'mailto'));
|
|
$param->{mailto} = [ @mailto ];
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
sub verify_vzdump_parameters {
|
|
my ($param, $check_missing) = @_;
|
|
|
|
raise_param_exc({ all => "option conflicts with option 'vmid'"})
|
|
if $param->{all} && $param->{vmid};
|
|
|
|
raise_param_exc({ exclude => "option conflicts with option 'vmid'"})
|
|
if $param->{exclude} && $param->{vmid};
|
|
|
|
raise_param_exc({ pool => "option conflicts with option 'vmid'"})
|
|
if $param->{pool} && $param->{vmid};
|
|
|
|
raise_param_exc({ 'prune-backups' => "option conflicts with option 'maxfiles'"})
|
|
if defined($param->{'prune-backups'}) && defined($param->{maxfiles});
|
|
|
|
$parse_prune_backups_maxfiles->($param, 'CLI parameters');
|
|
|
|
$param->{all} = 1 if (defined($param->{exclude}) && !$param->{pool});
|
|
|
|
return if !$check_missing;
|
|
|
|
raise_param_exc({ vmid => "property is missing"})
|
|
if !($param->{all} || $param->{stop} || $param->{pool}) && !$param->{vmid};
|
|
|
|
}
|
|
|
|
sub stop_running_backups {
|
|
my($self) = @_;
|
|
|
|
my $upid = PVE::Tools::file_read_firstline($pidfile);
|
|
return if !$upid;
|
|
|
|
my $task = PVE::Tools::upid_decode($upid);
|
|
|
|
if (PVE::ProcFSTools::check_process_running($task->{pid}, $task->{pstart}) &&
|
|
PVE::ProcFSTools::read_proc_starttime($task->{pid}) == $task->{pstart}) {
|
|
kill(15, $task->{pid});
|
|
# wait max 15 seconds to shut down (else, do nothing for now)
|
|
my $i;
|
|
for ($i = 15; $i > 0; $i--) {
|
|
last if !PVE::ProcFSTools::check_process_running(($task->{pid}, $task->{pstart}));
|
|
sleep (1);
|
|
}
|
|
die "stopping backup process $task->{pid} failed\n" if $i == 0;
|
|
}
|
|
}
|
|
|
|
sub get_included_guests {
|
|
my ($job) = @_;
|
|
|
|
my $vmids = [];
|
|
my $vmids_per_node = {};
|
|
|
|
my $vmlist = PVE::Cluster::get_vmlist();
|
|
|
|
if ($job->{pool}) {
|
|
$vmids = PVE::API2Tools::get_resource_pool_guest_members($job->{pool});
|
|
} elsif ($job->{vmid}) {
|
|
$vmids = [ split_list($job->{vmid}) ];
|
|
} elsif ($job->{all}) {
|
|
# all or exclude
|
|
my $exclude = check_vmids(split_list($job->{exclude}));
|
|
my $excludehash = { map { $_ => 1 } @$exclude };
|
|
|
|
for my $id (keys %{$vmlist->{ids}}) {
|
|
next if $excludehash->{$id};
|
|
push @$vmids, $id;
|
|
}
|
|
} else {
|
|
return $vmids_per_node;
|
|
}
|
|
$vmids = check_vmids(@$vmids);
|
|
|
|
for my $vmid (@$vmids) {
|
|
if (defined($vmlist->{ids}->{$vmid})) {
|
|
my $node = $vmlist->{ids}->{$vmid}->{node};
|
|
next if (defined $job->{node} && $job->{node} ne $node);
|
|
|
|
push @{$vmids_per_node->{$node}}, $vmid;
|
|
} else {
|
|
push @{$vmids_per_node->{''}}, $vmid;
|
|
}
|
|
}
|
|
|
|
return $vmids_per_node;
|
|
}
|
|
|
|
1;
|