Ravada.pm 123 KB
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package Ravada;

use warnings;
use strict;

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our $VERSION = '0.9.0';
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use Carp qw(carp croak);
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use Data::Dumper;
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use DBIx::Connector;
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use File::Copy;
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use Hash::Util qw(unlock_hash lock_hash);
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use JSON::XS;
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use Moose;
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use POSIX qw(WNOHANG);
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use Time::HiRes qw(gettimeofday tv_interval);
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use YAML;
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use MIME::Base64;
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use Socket qw( inet_aton inet_ntoa );
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use Image::Magick::Q16;
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no warnings "experimental::signatures";
use feature qw(signatures);

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use Ravada::Auth;
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use Ravada::Request;
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use Ravada::Repository::ISO;
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use Ravada::VM::Void;
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our %VALID_VM;
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our %ERROR_VM;
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our $TIMEOUT_STALE_PROCESS;
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eval {
    require Ravada::VM::KVM and do {
        Ravada::VM::KVM->import;
    };
    $VALID_VM{KVM} = 1;
};
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$ERROR_VM{KVM} = $@;

eval {
    require Ravada::VM::Void and do {
        Ravada::VM::Void->import;
    };
    $VALID_VM{Void} = 1;
};
$ERROR_VM{Void} = $@;
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no warnings "experimental::signatures";
use feature qw(signatures);

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our %VALID_CONFIG = (
    vm => undef
    ,warn_error => undef
    ,db => {user => undef, password => undef,  hostname => undef}
    ,ldap => { admin_user => { dn => undef, password => undef }
        ,filter => undef
        ,base => undef
        ,auth => undef
        ,admin_group => undef
        ,ravada_posix_group => undef
    }
);

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=head1 NAME

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Ravada - Remote Virtual Desktop Manager
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=head1 SYNOPSIS

  use Ravada;

  my $ravada = Ravada->new()

=cut

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our $FILE_CONFIG = "/etc/ravada.conf";
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$FILE_CONFIG = undef if ! -e $FILE_CONFIG;
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###########################################################################

our $CONNECTOR;
our $CONFIG = {};
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our $DEBUG;
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our $VERBOSE;
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our $CAN_FORK = 1;
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our $CAN_LXC = 0;
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# Seconds to wait for other long process
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our $SECONDS_WAIT_CHILDREN = 5;
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our $DIR_SQL = "sql/mysql";
$DIR_SQL = "/usr/share/doc/ravada/sql/mysql" if ! -e $DIR_SQL;
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our $USER_DAEMON;
our $USER_DAEMON_NAME = 'daemon';

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has 'connector' => (
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        is => 'rw'
);

has 'config' => (
    is => 'ro'
    ,isa => 'Str'
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);

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has 'warn_error' => (
    is => 'rw'
    ,isa => 'Bool'
    ,default => sub { 1 }
);

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=head2 BUILD

Internal constructor

=cut


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sub BUILD {
    my $self = shift;
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    if ($self->config()) {
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        _init_config($self->config);
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    } else {
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        _init_config($FILE_CONFIG) if $FILE_CONFIG && -e $FILE_CONFIG;
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    }
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    if ( $self->connector ) {
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        $CONNECTOR = $self->connector
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    } else {
        $CONNECTOR = $self->_connect_dbh();
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        $self->connector($CONNECTOR);
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    }
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    Ravada::Auth::init($CONFIG);
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}

sub _install($self) {
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    $self->_sql_create_tables();
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    $self->_create_tables();
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    $self->_upgrade_tables();
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    $self->_upgrade_timestamps();
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    $self->_update_data();
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    $self->_init_user_daemon();
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    $self->_sql_insert_defaults();
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}

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sub _init_user_daemon {
    my $self = shift;
    return if $USER_DAEMON;

    $USER_DAEMON = Ravada::Auth::SQL->new(name => $USER_DAEMON_NAME);
    if (!$USER_DAEMON->id) {
        $USER_DAEMON = Ravada::Auth::SQL::add_user(
            name => $USER_DAEMON_NAME,
            is_admin => 1
        );
        $USER_DAEMON = Ravada::Auth::SQL->new(name => $USER_DAEMON_NAME);
    }

}
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sub _update_user_grants {
    my $self = shift;
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    $self->_init_user_daemon();
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    my $sth = $CONNECTOR->dbh->prepare("SELECT id FROM users WHERE is_temporary=0");
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    my $id;
    $sth->execute;
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    $sth->bind_columns(\$id);
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    while ($sth->fetch) {
        my $user = Ravada::Auth::SQL->search_by_id($id);
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        next if $user->name() eq $USER_DAEMON_NAME;

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        my %grants = $user->grants();

        for my $key (keys %grants) {
            delete $grants{$key} if !defined $grants{$key};
        }
        next if keys %grants;

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        $USER_DAEMON->grant_user_permissions($user);
        $USER_DAEMON->grant_admin_permissions($user)    if $user->is_admin;
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    }
    $sth->finish;
}

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sub _update_isos {
    my $self = shift;
    my $table = 'iso_images';
    my $field = 'name';
    my %data = (
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	    androidx86 => {
                    name => 'Android 8.1 x86'
            ,description => 'Android-x86 64 bits. Requires an user provided ISO image.'
                   ,arch => 'amd64'
                    ,xml => 'android-amd64.xml'
             ,xml_volume => 'android-volume.xml'
	     ,min_disk_size => '4'
        },
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        arch_1909 => {
                    name => 'Arch Linux 19.09'
            ,description => 'Arch Linux 19.09.01 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'bionic-amd64.xml'
             ,xml_volume => 'bionic64-volume.xml'
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                    ,url => 'https://archive.archlinux.org/iso/2019.09.01/'
                    ,file_re => 'archlinux-2019.09.01-x86_64.iso'
                    ,md5_url => ''
                    ,md5 => '1d6bdf5cbc6ca98c31f02d23e418dd96'
        },
	mate_focal_fossa => {
                    name => 'Ubuntu Mate Focal Fossa 64 bits'
            ,description => 'Ubuntu Mate 20.04 (Focal Fossa) 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'focal_fossa-amd64.xml'
             ,xml_volume => 'focal_fossa64-volume.xml'
                    ,url => 'http://cdimage.ubuntu.com/ubuntu-mate/releases/20.04/release/ubuntu-mate-20.04-desktop-amd64.iso'
                ,md5_url => '$url/MD5SUMS'
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        },
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        mate_bionic => {
                    name => 'Ubuntu Mate Bionic 64 bits'
            ,description => 'Ubuntu Mate 18.04 (Bionic Beaver) 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'bionic-amd64.xml'
             ,xml_volume => 'bionic64-volume.xml'
                    ,url => 'http://cdimage.ubuntu.com/ubuntu-mate/releases/18.04.*/release/ubuntu-mate-18.04.*-desktop-amd64.iso'
                ,md5_url => '$url/MD5SUMS'
        },
        mate_bionic_i386 => {
                    name => 'Ubuntu Mate Bionic 32 bits'
            ,description => 'Ubuntu Mate 18.04 (Bionic Beaver) 32 bits'
                   ,arch => 'i386'
                    ,xml => 'bionic-i386.xml'
             ,xml_volume => 'bionic32-volume.xml'
                    ,url => 'http://cdimage.ubuntu.com/ubuntu-mate/releases/18.04.*/release/ubuntu-mate-18.04.*-desktop-i386.iso'
                ,md5_url => '$url/MD5SUMS'
        },
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        mate_xenial => {
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                    name => 'Ubuntu Mate Xenial'
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            ,description => 'Ubuntu Mate 16.04.3 (Xenial) 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'yakkety64-amd64.xml'
             ,xml_volume => 'yakkety64-volume.xml'
                    ,url => 'http://cdimage.ubuntu.com/ubuntu-mate/releases/16.04.*/release/ubuntu-mate-16.04.*-desktop-amd64.iso'
                ,md5_url => '$url/MD5SUMS'
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                ,min_disk_size => '10'
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        },
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	,focal_fossa=> {
                    name => 'Ubuntu Focal Fossa'
            ,description => 'Ubuntu 20.04 Focal Fossa 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'focal_fossa-amd64.xml'
             ,xml_volume => 'focal_fossa64-volume.xml'
                    ,url => 'http://releases.ubuntu.com/20.04/'
                ,file_re => '^ubuntu-20.04.*desktop-amd64.iso'
                ,md5_url => '$url/MD5SUMS'
          ,min_disk_size => '9'
        }

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        ,bionic=> {
                    name => 'Ubuntu Bionic Beaver'
            ,description => 'Ubuntu 18.04 Bionic Beaver 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'bionic-amd64.xml'
             ,xml_volume => 'bionic64-volume.xml'
                    ,url => 'http://releases.ubuntu.com/18.04/'
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                ,file_re => '^ubuntu-18.04.*desktop-amd64.iso'
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                ,md5_url => '$url/MD5SUMS'
          ,min_disk_size => '9'
        }

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        ,serena64 => {
            name => 'Mint 18.1 Mate 64 bits'
    ,description => 'Mint Serena 18.1 with Mate Desktop based on Ubuntu Xenial 64 bits'
           ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
     ,xml_volume => 'xenial64-volume.xml'
            ,url => 'http://mirrors.evowise.com/linuxmint/stable/18.1/'
        ,file_re => 'linuxmint-18.1-mate-64bit.iso'
        ,md5_url => ''
            ,md5 => 'c5cf5c5d568e2dfeaf705cfa82996d93'
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            ,min_disk_size => '10'
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        }
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        ,mint20_64 => {
            name => 'Mint 20 Mate 64 bits'
    ,description => 'Mint Ulyana 20 with Mate Desktop 64 bits'
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           ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
     ,xml_volume => 'xenial64-volume.xml'
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            ,url => 'http://mirrors.evowise.com/linuxmint/stable/20/'
        ,file_re => 'linuxmint-20-mate-64bit.iso'
        ,sha256_url => '$url/sha256sum.txt'
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            ,min_disk_size => '15'
        }
        ,alpine381_64 => {
            name => 'Alpine 3.8 64 bits'
    ,description => 'Alpine Linux 3.8 64 bits ( Minimal Linux Distribution )'
           ,arch => 'amd64'
            ,xml => 'alpine-amd64.xml'
     ,xml_volume => 'alpine381_64-volume.xml'
            ,url => 'http://dl-cdn.alpinelinux.org/alpine/v3.8/releases/x86_64/'
        ,file_re => 'alpine-standard-3.8.1-x86_64.iso'
        ,sha256_url => 'http://dl-cdn.alpinelinux.org/alpine/v3.8/releases/x86_64/alpine-standard-3.8.1-x86_64.iso.sha256'
            ,min_disk_size => '1'
        }
        ,alpine381_32 => {
            name => 'Alpine 3.8 32 bits'
    ,description => 'Alpine Linux 3.8 32 bits ( Minimal Linux Distribution )'
           ,arch => 'i386'
            ,xml => 'alpine-i386.xml'
     ,xml_volume => 'alpine381_32-volume.xml'
            ,url => 'http://dl-cdn.alpinelinux.org/alpine/v3.8/releases/x86/'
        ,file_re => 'alpine-standard-3.8.1-x86.iso'
        ,sha256_url => 'http://dl-cdn.alpinelinux.org/alpine/v3.8/releases/x86/alpine-standard-3.8.1-x86.iso.sha256'
            ,min_disk_size => '1'
        }
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        ,fedora_28 => {
            name => 'Fedora 28'
            ,description => 'RedHat Fedora 28 Workstation 64 bits'
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            ,url => 'https://archives.fedoraproject.org/pub/archive/fedora/linux/releases/28/Workstation/x86_64/iso/Fedora-Workstation-netinst-x86_64-28-.*\.iso'
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            ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
            ,xml_volume => 'xenial64-volume.xml'
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            ,sha256_url => '$url/Fedora-Workstation-28-.*-x86_64-CHECKSUM'
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            ,min_disk_size => '10'
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        }
	      ,kubuntu_64_focal_fossa => {
            name => 'Kubuntu Focal Fossa 64 bits'
            ,description => 'Kubuntu 20.04 Focal Fossa 64 bits'
            ,arch => 'amd64'
            ,xml => 'focal_fossa-amd64.xml'
            ,xml_volume => 'focal_fossa64-volume.xml'
            ,md5_url => '$url/MD5SUMS'
            ,url => 'http://cdimage.ubuntu.com/kubuntu/releases/20.04/release/'
            ,file_re => 'kubuntu-20.04-desktop-amd64.iso'
            ,rename_file => 'kubuntu_focal_fossa_64.iso'
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        }
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        ,kubuntu_64 => {
            name => 'Kubuntu Bionic Beaver 64 bits'
            ,description => 'Kubuntu 18.04 Bionic Beaver 64 bits'
            ,arch => 'amd64'
            ,xml => 'bionic-amd64.xml'
            ,xml_volume => 'bionic64-volume.xml'
            ,md5_url => '$url/MD5SUMS'
            ,url => 'http://cdimage.ubuntu.com/kubuntu/releases/18.04/release/'
            ,file_re => 'kubuntu-18.04-desktop-amd64.iso'
            ,rename_file => 'kubuntu_bionic_64.iso'
        }
        ,kubuntu_32 => {
            name => 'Kubuntu Bionic Beaver 32 bits'
            ,description => 'Kubuntu 18.04 Bionic Beaver 32 bits'
            ,arch => 'i386'
            ,xml => 'bionic-i386.xml'
            ,xml_volume => 'bionic32-volume.xml'
            ,md5_url => '$url/MD5SUMS'
            ,url => 'http://cdimage.ubuntu.com/kubuntu/releases/18.04/release/'
            ,file_re => 'kubuntu-18.04-desktop-i386.iso'
            ,rename_file => 'kubuntu_bionic_32.iso'
        }
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        ,suse_15 => {
            name => "openSUSE Leap 15"
            ,description => "openSUSE Leap 15 64 bits"
            ,arch => 'amd64'
            ,xml => 'bionic-amd64.xml'
            ,xml_volume => 'bionic64-volume.xml'
            ,url => 'https://download.opensuse.org/distribution/leap/15.0/iso/'
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            ,sha256_url => '$url/openSUSE-Leap-15.\d+-NET-x86_64.iso.sha256'
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            ,file_re => 'openSUSE-Leap-15.\d+-NET-x86_64.iso'

        }
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        ,xubuntu_beaver_64 => {
            name => 'Xubuntu Bionic Beaver 64 bits'
            ,description => 'Xubuntu 18.04 Bionic Beaver 64 bits'
            ,arch => 'amd64'
            ,xml => 'bionic-amd64.xml'
            ,xml_volume => 'bionic64-volume.xml'
            ,md5_url => '$url/../MD5SUMS'
            ,url => 'http://archive.ubuntu.com/ubuntu/dists/bionic/main/installer-amd64/current/images/netboot/'
            ,file_re => 'mini.iso'
            ,rename_file => 'xubuntu_bionic_64.iso'
        }
        ,xubuntu_beaver_32 => {
            name => 'Xubuntu Bionic Beaver 32 bits'
            ,description => 'Xubuntu 18.04 Bionic Beaver 32 bits'
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            ,arch => 'i386'
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            ,xml => 'bionic-i386.xml'
            ,xml_volume => 'bionic32-volume.xml'
            ,md5_url => '$url/../MD5SUMS'
            ,url => 'http://archive.ubuntu.com/ubuntu/dists/bionic/main/installer-i386/current/images/netboot/'
            ,file_re => 'mini.iso'
            ,rename_file => 'xubuntu_bionic_32.iso'
        }
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        ,xubuntu_xenial => {
            name => 'Xubuntu Xenial Xerus'
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            ,description => 'Xubuntu 16.04 Xenial Xerus 64 bits (LTS)'
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            ,url => 'http://archive.ubuntu.com/ubuntu/dists/xenial/main/installer-amd64/current/images/netboot/mini.iso'
           ,xml => 'yakkety64-amd64.xml'
            ,xml_volume => 'yakkety64-volume.xml'
            ,md5 => 'fe495d34188a9568c8d166efc5898d22'
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            ,rename_file => 'xubuntu_xenial_mini.iso'
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            ,min_disk_size => '10'
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        }
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	,lubuntu_bionic_64 => {
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             name => 'Lubuntu Bionic Beaver 64 bits'
             ,description => 'Lubuntu 18.04 Bionic Beaver 64 bits'
             ,url => 'http://cdimage.ubuntu.com/lubuntu/releases/18.04.*/release/lubuntu-18.04.*-desktop-amd64.iso'
             ,md5_url => '$url/MD5SUMS'
             ,xml => 'bionic-amd64.xml'
             ,xml_volume => 'bionic64-volume.xml'
         }
         ,lubuntu_bionic_32 => {
             name => 'Lubuntu Bionic Beaver 32 bits'
             ,description => 'Lubuntu 18.04 Bionic Beaver 32 bits'
             ,arch => 'i386'
             ,url => 'http://cdimage.ubuntu.com/lubuntu/releases/18.04.*/release/lubuntu-18.04.*-desktop-i386.iso'
             ,md5_url => '$url/MD5SUMS'
             ,xml => 'bionic-i386.xml'
             ,xml_volume => 'bionic32-volume.xml'
        }
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        ,lubuntu_xenial => {
            name => 'Lubuntu Xenial Xerus'
            ,description => 'Xubuntu 16.04 Xenial Xerus 64 bits (LTS)'
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            ,url => 'http://cdimage.ubuntu.com/lubuntu/releases/16.04.*/release/'
            ,file_re => 'lubuntu-16.04.*-desktop-amd64.iso'
            ,md5_url => '$url/MD5SUMS'
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            ,xml => 'yakkety64-amd64.xml'
            ,xml_volume => 'yakkety64-volume.xml'
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            ,min_disk_size => '10'
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        }
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        ,debian_jessie_32 => {
            name =>'Debian Jessie 32 bits'
            ,description => 'Debian 8 Jessie 32 bits'
            ,url => 'http://cdimage.debian.org/cdimage/archive/^8\..*/i386/iso-cd/'
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            ,file_re => 'debian-8.[\d\.]+-i386-xfce-CD-1.iso'
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            ,md5_url => '$url/MD5SUMS'
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            ,xml => 'jessie-i386.xml'
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            ,xml_volume => 'jessie-volume.xml'
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            ,min_disk_size => '10'
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        }
        ,debian_jessie_64 => {
            name =>'Debian Jessie 64 bits'
            ,description => 'Debian 8 Jessie 64 bits'
            ,url => 'http://cdimage.debian.org/cdimage/archive/^8\..*/amd64/iso-cd/'
            ,file_re => 'debian-8.[\d\.]+-amd64-xfce-CD-1.iso'
            ,md5_url => '$url/MD5SUMS'
            ,xml => 'jessie-amd64.xml'
            ,xml_volume => 'jessie-volume.xml'
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            ,min_disk_size => '10'
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        }
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       ,debian_stretch_32 => {
            name =>'Debian Stretch 32 bits'
            ,description => 'Debian 9 Stretch 32 bits (XFCE desktop)'
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            ,url => 'https://cdimage.debian.org/cdimage/archive/^9\..*\d$/i386/iso-cd/'
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            ,file_re => 'debian-9.[\d\.]+-i386-xfce-CD-1.iso'
            ,md5_url => '$url/MD5SUMS'
            ,xml => 'jessie-i386.xml'
            ,xml_volume => 'jessie-volume.xml'
            ,min_disk_size => '10'
        }
        ,debian_stretch_64 => {
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            name =>'Debian Stretch 64 bits'
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            ,description => 'Debian 9 Stretch 64 bits (XFCE desktop)'
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            ,url => 'https://cdimage.debian.org/cdimage/archive/^9\..*/amd64/iso-cd/'
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            ,file_re => 'debian-9.[\d\.]+-amd64-xfce-CD-1.iso'
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            ,md5_url => '$url/MD5SUMS'
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            ,xml => 'jessie-amd64.xml'
            ,xml_volume => 'jessie-volume.xml'
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            ,min_disk_size => '10'
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        }
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        ,debian_buster_64=> {
            name =>'Debian Buster 64 bits'
            ,description => 'Debian 10 Buster 64 bits (XFCE desktop)'
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            ,url => 'https://cdimage.debian.org/debian-cd/^10\..*\d$/amd64/iso-cd/'
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            ,file_re => 'debian-10.[\d\.]+-amd64-xfce-CD-1.iso'
            ,md5_url => '$url/MD5SUMS'
            ,xml => 'jessie-amd64.xml'
            ,xml_volume => 'jessie-volume.xml'
            ,min_disk_size => '10'
        }
        ,debian_buster_32=> {
            name =>'Debian Buster 32 bits'
            ,description => 'Debian 10 Buster 32 bits (XFCE desktop)'
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            ,url => 'https://cdimage.debian.org/debian-cd/^10\..*\d$/i386/iso-cd/'
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            ,file_re => 'debian-10.[\d\.]+-i386-(netinst|xfce-CD-1).iso'
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            ,md5_url => '$url/MD5SUMS'
            ,xml => 'jessie-i386.xml'
            ,xml_volume => 'jessie-volume.xml'
            ,min_disk_size => '10'
        }
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        ,kali_64 => {
            name => 'Kali Linux 2020'
            ,description => 'Kali Linux 2020 64 Bits'
            ,arch => 'amd64'
            ,xml => 'jessie-amd64.xml'
            ,xml_volume => 'jessie-volume.xml'
            ,url => 'https://cdimage.kali.org/kali-2020.\d+/'
            ,file_re => 'kali-linux-2020.\d+-installer-amd64.iso'
            ,sha256_url => '$url/SHA256SUMS'
            ,min_disk_size => '10'
        }
        ,kali_64_netinst => {
            name => 'Kali Linux 2020 (NetInstaller)'
            ,description => 'Kali Linux 2020 64 Bits (light NetInstall)'
            ,arch => 'amd64'
            ,xml => 'jessie-amd64.xml'
            ,xml_volume => 'jessie-volume.xml'
            ,url => 'https://cdimage.kali.org/kali-2020.\d+/'
            ,file_re => 'kali-linux-2020.\d+-installer-netinst-amd64.iso'
            ,sha256_url => '$url/SHA256SUMS'
            ,min_disk_size => '10'
        }
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        ,windows_7 => {
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          name => 'Windows 7'
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          ,description => 'Windows 7 64 bits. Requires an user provided ISO image.'
            .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
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          ,xml => 'windows_7.xml'
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          ,xml_volume => 'wisuvolume.xml'
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          ,min_disk_size => '21'
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        }
        ,windows_10 => {
          name => 'Windows 10'
          ,description => 'Windows 10 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_10.xml'
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          ,xml_volume => 'windows10-volume.xml'
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          ,min_disk_size => '21'
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        }
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        ,windows_xp => {
          name => 'Windows XP'
          ,description => 'Windows XP 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_xp.xml'
          ,xml_volume => 'wisuvolume.xml'
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          ,min_disk_size => '3'
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        }
        ,windows_12 => {
          name => 'Windows 2012'
          ,description => 'Windows 2012 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_12.xml'
          ,xml_volume => 'wisuvolume.xml'
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          ,min_disk_size => '21'
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        }
        ,windows_8 => {
          name => 'Windows 8.1'
          ,description => 'Windows 8.1 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_8.xml'
          ,xml_volume => 'wisuvolume.xml'
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          ,min_disk_size => '21'
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        }
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       ,empty_32bits => {
          name => 'Empty Machine 32 bits'
          ,description => 'Empty Machine 32 bits Boot PXE'
          ,xml => 'empty-i386.xml'
          ,xml_volume => 'jessie-volume.xml'
          ,min_disk_size => '0'
        }
       ,empty_64bits => {
          name => 'Empty Machine 64 bits'
          ,description => 'Empty Machine 64 bits Boot PXE'
          ,xml => 'empty-amd64.xml'
          ,xml_volume => 'jessie-volume.xml'
          ,min_disk_size => '0'
        }
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    );
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    $self->_scheduled_fedora_releases(\%data);
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    $self->_update_table($table, $field, \%data);

}

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sub _scheduled_fedora_releases($self,$data) {
    my @now = localtime(time);
    my $year = $now[5]+1900;
    my $month = $now[4]+1;

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    my $url_archive
    = 'https://archives.fedoraproject.org/pub/archive/fedora/linux/releases/';

    my $url_current
    = 'http://ftp.halifax.rwth-aachen.de/fedora/linux/releases/';

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    my $release = 27;
    for my $y ( 2018 .. $year ) {
        for my $m ( 5, 11 ) {
            return if $y == $year && $m>$month;
            $release++;
            my $name = "fedora_".$release;
            next if exists $data->{$name};
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            my $url = $url_archive;
            $url = $url_current if $y>=$year-1;

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            $data->{$name} = {
            name => 'Fedora '.$release
            ,description => "RedHat Fedora $release Workstation 64 bits"
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            ,url => $url.$release
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                    .'/Workstation/x86_64/iso/Fedora-Workstation-.*-x86_64-'.$release
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                    .'-.*\.iso'
            ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
            ,xml_volume => 'xenial64-volume.xml'
            ,sha256_url => '$url/Fedora-Workstation-'.$release.'-.*-x86_64-CHECKSUM'
            ,min_disk_size => 10 + $release-27
            };
        }
    }
}

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sub _update_domain_drivers_types($self) {

    my $data = {
        image => {
            id => 4,
            ,name => 'image'
           ,description => 'Graphics Options'
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           ,vm => 'KVM'
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        },
        jpeg => {
            id => 5,
            ,name => 'jpeg'
           ,description => 'Graphics Options'
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           ,vm => 'KVM'
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        },
        zlib => {
            id => 6,
            ,name => 'zlib'
           ,description => 'Graphics Options'
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           ,vm => 'KVM'
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        },
        playback => {
            id => 7,
            ,name => 'playback'
           ,description => 'Graphics Options'
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           ,vm => 'KVM'
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        },
        streaming => {
            id => 8,
            ,name => 'streaming'
           ,description => 'Graphics Options'
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           ,vm => 'KVM'
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        }
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        ,disk => {
            id => 9
            ,name => 'disk'
            ,vm => 'KVM'
        }

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    };
    $self->_update_table('domain_drivers_types','id',$data);
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    my $sth = $CONNECTOR->dbh->prepare(
        "UPDATE domain_drivers_types SET vm='KVM' WHERE vm='qemu'"
    );
    $sth->execute;
    $sth->finish;
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}

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sub _update_domain_drivers_options($self) {

    my $data = {
        qxl => {
            id => 1,
            ,id_driver_type => 1,
            ,name => 'QXL'
           ,value => 'type="qxl" ram="65536" vram="65536" vgamem="16384" heads="1" primary="yes"'
        },
        vmvga => {
            id => 2,
            ,id_driver_type => 1,
            ,name => 'VMVGA'
           ,value => 'type="vmvga" vram="16384" heads="1" primary="yes"'
        },
        cirrus => {
            id => 3,
            ,id_driver_type => 1,
            ,name => 'Cirrus'
           ,value => 'type="cirrus" vram="16384" heads="1" primary="yes"'
        },
        vga => {
            id => 4,
            ,id_driver_type => 1,
            ,name => 'VGA'
           ,value => 'type="vga" vram="16384" heads="1" primary="yes"'
        },
        ich6 => {
            id => 6,
            ,id_driver_type => 2,
            ,name => 'ich6'
           ,value => 'model="ich6"'
        },
        ac97 => {
            id => 7,
            ,id_driver_type => 2,
            ,name => 'ac97'
           ,value => 'model="ac97"'
        },
        virtio => {
            id => 8,
            ,id_driver_type => 3,
            ,name => 'virtio'
           ,value => 'type="virtio"'
        },
        e1000 => {
            id => 9,
            ,id_driver_type => 3,
            ,name => 'e1000'
           ,value => 'type="e1000"'
        },
        rtl8139 => {
            id => 10,
            ,id_driver_type => 3,
            ,name => 'rtl8139'
           ,value => 'type="rtl8139"'
        },
        auto_glz => {
            id => 11,
            ,id_driver_type => 4,
            ,name => 'auto_glz'
           ,value => 'compression="auto_glz"'
        },
        auto_lz => {
            id => 12,
            ,id_driver_type => 4,
            ,name => 'auto_lz'
           ,value => 'compression="auto_lz"'
        },
        quic => {
            id => 13,
            ,id_driver_type => 4,
            ,name => 'quic'
           ,value => 'compression="quic"'
        },
        glz => {
            id => 14,
            ,id_driver_type => 4,
            ,name => 'glz'
           ,value => 'compression="glz"'
        },
        lz => {
            id => 15,
            ,id_driver_type => 4,
            ,name => 'lz'
           ,value => 'compression="lz"'
        },
        off => {
            id => 16,
            ,id_driver_type => 4,
            ,name => 'off'
           ,value => 'compression="off"'
        },
        auto => {
            id => 17,
            ,id_driver_type => 5,
            ,name => 'auto'
           ,value => 'compression="auto"'
        },
        never => {
            id => 18,
            ,id_driver_type => 5,
            ,name => 'never'
           ,value => 'compression="never"'
        },
        always => {
            id => 19,
            ,id_driver_type => 5,
            ,name => 'always'
           ,value => 'compression="always"'
        },
        auto1 => {
            id => 20,
            ,id_driver_type => 6,
            ,name => 'auto'
           ,value => 'compression="auto"'
        },
        never1 => {
            id => 21,
            ,id_driver_type => 6,
            ,name => 'never'
           ,value => 'compression="never"'
        },
        always1 => {
            id => 22,
            ,id_driver_type => 6,
            ,name => 'always'
           ,value => 'compression="always"'
        },
        on => {
            id => 23,
            ,id_driver_type => 7,
            ,name => 'on'
           ,value => 'compression="on"'
        },
        off1 => {
            id => 24,
            ,id_driver_type => 7,
            ,name => 'off'
           ,value => 'compression="off"'
        },
        filter => {
            id => 25,
            ,id_driver_type => 8,
            ,name => 'filter'
           ,value => 'mode="filter"'
        },
        all => {
            id => 26,
            ,id_driver_type => 8,
            ,name => 'all'
           ,value => 'mode="all"'
        },
        off2 => {
            id => 27,
            ,id_driver_type => 8,
            ,name => 'off'
           ,value => 'mode="off"'
        }
    };
    $self->_update_table('domain_drivers_options','id',$data);
}

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sub _update_domain_drivers_options_disk($self) {

    my @options = ('virtio', 'usb','ide', 'sata', 'scsi');

    my $id = 28;
    my %data = map {
        $_ => {
            id => $id++
            ,id_driver_type => 9,
            ,name => $_
            ,value => $_
        }
    } @options;

    $self->_update_table('domain_drivers_options','id',\%data);
}

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sub _update_table($self, $table, $field, $data, $verbose=0) {
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    my $sth_search = $CONNECTOR->dbh->prepare("SELECT id FROM $table WHERE $field = ?");
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    for my $name (sort keys %$data) {
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        my $row = $data->{$name};
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        $sth_search->execute($row->{$field});
        my ($id) = $sth_search->fetchrow;
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        if ( $id ) {
            warn("INFO: $table : $row->{$field} already added.\n") if $verbose;
            next;
        }
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        warn("INFO: updating $table : $row->{$field}\n")    if $0 !~ /\.t$/;
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        my $sql =
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            "INSERT INTO $table "
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            ."("
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            .join(" , ", sort keys %{$data->{$name}})
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            .")"
            ." VALUES ( "
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            .join(" , ", map { "?" } keys %{$data->{$name}})
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            ." )"
        ;
        my $sth = $CONNECTOR->dbh->prepare($sql);
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        $sth->execute(map { $data->{$name}->{$_} } sort keys %{$data->{$name}});
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        $sth->finish;
    }
}

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sub _remove_old_isos {
    my $self = shift;
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    for my $sql (
        "DELETE FROM iso_images "
            ."  WHERE url like '%debian-9.0%iso'"
        ,"DELETE FROM iso_images"
            ."  WHERE name like 'Debian%' "
            ."      AND NOT url  like '%*%' "
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        ,"DELETE FROM iso_images "
            ."  WHERE name like 'Lubuntu Artful%'"
            ."      AND url NOT LIKE '%*%' "
        ,"DELETE FROM iso_images "
            ."  WHERE name like 'Lubuntu Zesty%'"

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    ) {
        my $sth = $CONNECTOR->dbh->prepare($sql);
        $sth->execute();
        $sth->finish;
    }
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}

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sub _update_data {
    my $self = shift;
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    $self->_remove_old_isos();
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    $self->_update_isos();
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    $self->_rename_grants();
    $self->_alias_grants();
    $self->_add_grants();
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    $self->_enable_grants();
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    $self->_update_user_grants();
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    $self->_update_domain_drivers_types();
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    $self->_update_domain_drivers_options();
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    $self->_update_domain_drivers_options_disk();
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    $self->_update_old_qemus();
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    $self->_add_indexes();
}

sub _add_indexes($self) {
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    $self->_add_indexes_generic();
}

sub _add_indexes_generic($self) {
    my %index = (
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        domains => [
            "index(date_changed)"
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            ,"index(id_base):id_base_index"
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        ]
        ,requests => [
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            "index(status,at_time)"
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            ,"index(id,date_changed,status,at_time)"
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            ,"index(date_changed)"
            ,"index(start_time,command,status,pid)"
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            ,"index(id_domain,status):domain_status"
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        ]
        ,grants_user => [
            "index(id_user,id_grant)"
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            ,"index(id_user)"
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        ]
        ,iptables => [
            "index(id_domain,time_deleted,time_req)"
        ]
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        ,messages => [
             "index(id_request,date_send)"
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             ,"index(date_changed)"
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        ]
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        ,settings => [
            "index(id_parent,name)"
        ]
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        ,vms=> [
            "unique(hostname, vm_type)"
        ]
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    );
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    my $if_not_exists = '';
    $if_not_exists = ' IF NOT EXISTS ' if $CONNECTOR->dbh->{Driver}{Name} =~ /sqlite|mariadb/i;

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    for my $table ( keys %index ) {
        my $known = $self->_get_indexes($table);
        for my $change (@{$index{$table}} ) {
            my ($type,$fields ) =$change =~ /(\w+)\((.*)\)/;
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            my ($name) = $change =~ /:(.*)/;
            $name = $fields if !$name;
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            $name =~ s/,/_/g;
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            $name =~ s/ //g;
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            next if $known->{$name};
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            $type .=" INDEX " if $type=~ /^unique/i;
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            my $sql = "CREATE $type $if_not_exists $name on $table ($fields)";
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            warn "INFO: Adding index to $table: $name" if $0 !~ /\.t$/;
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            my $sth = $CONNECTOR->dbh->prepare($sql);
            $sth->execute();
        }
    }
}

sub _get_indexes($self,$table) {
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    return {} if $CONNECTOR->dbh->{Driver}{Name} !~ /mysql/;
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    my $sth = $CONNECTOR->dbh->prepare("show index from $table");
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    $sth->execute;
    my %index;
    while (my $row = $sth->fetchrow_hashref) {
        $index{$row->{Key_name}}->{$row->{Column_name}}++;
    }
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    return \%index;
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}

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sub _rename_grants($self) {
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    my %rename = (
        create_domain => 'create_machine'
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    );
    my $sth_old = $CONNECTOR->dbh->prepare("SELECT id FROM grant_types"
            ." WHERE name=?"
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    );
    for my $old ( keys %rename ) {
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        $sth_old->execute($rename{$old});
        next if $sth_old->fetchrow;

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        my $sth = $CONNECTOR->dbh->prepare(
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                 "UPDATE grant_types"
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                ." SET name=? "
                ." WHERE name = ?"
        );
        $sth->execute($rename{$old}, $old);
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        warn "INFO: renaming grant $old to $rename{$old}\n";
    }
}

sub _alias_grants($self) {

    my %alias= (
        remove_clone => 'remove_clones'
        ,shutdown_clone => 'shutdown_clones'
    );

    my $sth_old = $CONNECTOR->dbh->prepare("SELECT id FROM grant_types_alias"
            ." WHERE name=? AND alias=?"
    );
    while (my ($old, $new) =  each(%alias)) {
        $sth_old->execute($old, $new);
        return if $sth_old->fetch;
        my $sth = $CONNECTOR->dbh->prepare(
                 "INSERT INTO grant_types_alias (name,alias)"
                 ." VALUES(?,?) "
        );
        $sth->execute($old, $new);
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    }
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}
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sub _add_grants($self) {
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    $self->_add_grant('rename', 0,"Can rename any virtual machine owned by the user.");
    $self->_add_grant('rename_all', 0,"Can rename any virtual machine.");
    $self->_add_grant('rename_clones', 0,"Can rename clones from virtual machines owned by the user.");
    $self->_add_grant('shutdown', 1,"Can shutdown own virtual machines.");
    $self->_add_grant('screenshot', 1,"Can get a screenshot of own virtual machines.");
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    $self->_add_grant('start_many',0,"Can have more than one machine started.");
    $self->_add_grant('expose_ports',0,"Can expose virtual machine ports.");
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}

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sub _add_grant($self, $grant, $allowed, $description) {
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    my $sth = $CONNECTOR->dbh->prepare(
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        "SELECT id, description FROM grant_types WHERE name=?"
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    );
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    $sth->execute($grant);
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    my ($id, $current_description) = $sth->fetchrow();
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    $sth->finish;

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    if ($id && $current_description ne $description) {
        my $sth = $CONNECTOR->dbh->prepare(
            "UPDATE grant_types SET description = ? WHERE id = ?;"
        );
        $sth->execute($description, $id);
        $sth->finish;
    }
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    return if $id;

    $sth = $CONNECTOR->dbh->prepare("INSERT INTO grant_types (name, description)"
        ." VALUES (?,?)");
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    $sth->execute($grant, $description);
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    $sth->finish;

    $sth = $CONNECTOR->dbh->prepare("SELECT id FROM grant_types WHERE name=?");
    $sth->execute($grant);
    my ($id_grant) = $sth->fetchrow;
    $sth->finish;

    my $sth_insert = $CONNECTOR->dbh->prepare(
        "INSERT INTO grants_user (id_user, id_grant, allowed) VALUES(?,?,?) ");

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    $sth = $CONNECTOR->dbh->prepare("SELECT id,name,is_admin FROM users WHERE is_temporary = 0");
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    $sth->execute;

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    while (my ($id_user, $name, $is_admin) = $sth->fetchrow ) {
        my $allowed_current = $allowed;
        $allowed_current = 1 if $is_admin;
        eval { $sth_insert->execute($id_user, $id_grant, $allowed_current ) };
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        die $@ if $@ && $@ !~/Duplicate entry /;
    }
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}

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sub _null_grants($self) {
    my $sth = $CONNECTOR->dbh->prepare("SELECT count(*) FROM grant_types "
            ." WHERE enabled = NULL "
        );
    $sth->execute;
    my ($count) = $sth->fetchrow;

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    warn "No null grants found" if !$count && $self->{_null_grants}++;
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    return $count;
}

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sub _enable_grants($self) {
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    return if $self->_null_grants();

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    my $sth = $CONNECTOR->dbh->prepare(
        "UPDATE grant_types set enabled=0"
    );
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    $sth->execute;
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    my @grants = (
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        'change_settings',  'change_settings_all',  'change_settings_clones'
        ,'clone',           'clone_all',            'create_base', 'create_machine'
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        ,'expose_ports'
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        ,'grant'
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        ,'manage_users'
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        ,'rename', 'rename_all', 'rename_clones'
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        ,'remove',          'remove_all',   'remove_clone',     'remove_clone_all'
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        ,'screenshot'
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        ,'shutdown',        'shutdown_all',    'shutdown_clone'
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        ,'screenshot'
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        ,'start_many'
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    );

    $sth = $CONNECTOR->dbh->prepare("SELECT id,name FROM grant_types");
    $sth->execute;
    my %grant_exists;
    while (my ($id, $name) = $sth->fetchrow ) {
        $grant_exists{$name} = $id;
    }

    $sth = $CONNECTOR->dbh->prepare(
        "UPDATE grant_types set enabled=1 WHERE name=?"
    );
    my %done;
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    for my $name ( sort @grants ) {
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        die "Duplicate grant $name "    if $done{$name};
        die "Permission $name doesn't exist at table grant_types"
                ."\n".Dumper(\%grant_exists)
            if !$grant_exists{$name};

        $sth->execute($name);

    }
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}

sub _update_old_qemus($self) {
    my $sth = $CONNECTOR->dbh->prepare("UPDATE vms SET vm_type='KVM'"
        ." WHERE vm_type='qemu' AND name ='KVM_localhost'"
    );
    $sth->execute;

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}

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sub _set_url_isos($self, $new_url='http://localhost/iso/') {
    $new_url .= '/' if $new_url !~ m{/$};
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    my $sth = $CONNECTOR->dbh->prepare(
        "SELECT id,url FROM iso_images "
        ."WHERE url is NOT NULL"
    );
    my $sth_update = $CONNECTOR->dbh->prepare(
        "UPDATE iso_images set url=? WHERE id=?"
    );
    $sth->execute();
    while ( my ($id, $url) = $sth->fetchrow) {
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        $url =~ s{\w+://(.*?)/(.*)}{$new_url$2};
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        $sth_update->execute($url, $id);
    }
    $sth->finish;

}
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sub _upgrade_table {
    my $self = shift;
    my ($table, $field, $definition) = @_;
    my $dbh = $CONNECTOR->dbh;

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    my ($new_size) = $definition =~ m{\((\d+)};
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    my ($new_type) = $definition =~ m{(\w+)};
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    my $sth = $dbh->column_info(undef,undef,$table,$field);
    my $row = $sth->fetchrow_hashref;
    $sth->finish;
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    if ( $dbh->{Driver}{Name} =~ /mysql/
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        && $row
        && (
            ($row->{COLUMN_SIZE}
            && defined $new_size
            && $new_size != $row->{COLUMN_SIZE}
            ) || (
                lc($row->{TYPE_NAME}) ne lc($new_type)
            )
        )
    ){

        warn "INFO: changing $field\n"
            ." $row->{COLUMN_SIZE} to ".($new_size or '')."\n"
            ." $row->{TYPE_NAME} -> $new_type \n"
            ." in $table\n$definition\n"  if $0 !~ /\.t$/;
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        $dbh->do("alter table $table change $field $field $definition");
        return;
    }

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    return if $row;

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    my $sqlite_trigger;
    if ($dbh->{Driver}{Name} =~ /sqlite/i) {
        $definition =~ s/DEFAULT.*ON UPDATE(.*)//i;
        $sqlite_trigger = $1;
    }
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    warn "INFO: adding $field $definition to $table\n"  if $0 !~ /\.t$/;
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    $dbh->do("alter table $table add $field $definition");
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    if ( $sqlite_trigger && !$self->_exists_trigger($dbh, "Update$field") ) {
        $self->_sqlite_trigger($dbh,$table, $field, $sqlite_trigger);
    }
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    return 1;
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}

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sub _exists_trigger($self, $dbh, $name) {
    my $sth = $dbh->prepare("select name from sqlite_master where type = 'trigger'"
        ." AND name=?"
    );
    $sth->execute($name);
    my ($found) = $sth->fetchrow;
    return $found;
}

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sub _sqlite_trigger($self, $dbh, $table,$field, $trigger) {
    my $sql =
    "CREATE TRIGGER Update$field
    AFTER UPDATE
    ON $table
    FOR EACH ROW
    WHEN NEW.$field < OLD.$field
    BEGIN
    UPDATE $table SET $field=$trigger WHERE id=OLD.id;
    END;
    ";
    $dbh->do($sql);
}

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sub _remove_field {
    my $self = shift;
    my ($table, $field ) = @_;

    my $dbh = $CONNECTOR->dbh;
    return if $CONNECTOR->dbh->{Driver}{Name} !~ /mysql/i;

    my $sth = $dbh->column_info(undef,undef,$table,$field);
    my $row = $sth->fetchrow_hashref;
    $sth->finish;
    return if !$row;

    warn "INFO: removing $field to $table\n"  if $0 !~ /\.t$/;
    $dbh->do("alter table $table drop column $field");
    return 1;

}

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sub _create_table {
    my $self = shift;
    my $table = shift;

    my $sth = $CONNECTOR->dbh->table_info('%',undef,$table,'TABLE');
    my $info = $sth->fetchrow_hashref();
    $sth->finish;
    return if keys %$info;

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    warn "INFO: creating table $table\n"    if $0 !~ /\.t$/;
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    my $file_sql = "$DIR_SQL/$table.sql";
    open my $in,'<',$file_sql or die "$! $file_sql";
    my $sql = join " ",<$in>;
    close $in;

    $CONNECTOR->dbh->do($sql);
    return 1;
}

sub _insert_data {
    my $self = shift;
    my $table = shift;

    my $file_sql =  "$DIR_SQL/../data/insert_$table.sql";
    return if ! -e $file_sql;

    warn "INFO: inserting data for $table\n";
    open my $in,'