components/bacula/files/make_catalog_backup.pl

   1 #!/usr/bin/perl
   2 use strict;
   3
   4 =head1 SCRIPT
   5
   6   This script dumps your Bacula catalog in ASCII format
   7   It works for MySQL, SQLite, and PostgreSQL
   8
   9 =head1 USAGE
  10
  11     make_catalog_backup.pl MyCatalog
  12
  13 =head1 LICENSE
  14
  15    Bacula® - The Network Backup Solution
  16
  17    Copyright (C) 2000-2010 Free Software Foundation Europe e.V.
  18
  19    The main author of Bacula is Kern Sibbald, with contributions from
  20    many others, a complete list can be found in the file AUTHORS.
  21
  22    This program is Free Software; you can redistribute it and/or
  23    modify it under the terms of version three of the GNU Affero General Public
  24    License as published by the Free Software Foundation plus additions
  25    that are listed in the file LICENSE.
  26
  27    This program is distributed in the hope that it will be useful, but
  28    WITHOUT ANY WARRANTY; without even the implied warranty of
  29    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  30    General Public License for more details.
  31
  32    You should have received a copy of the GNU Affero General Public License
  33    along with this program; if not, write to the Free Software
  34    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  35    02110-1301, USA.
  36
  37    Bacula® is a registered trademark of Kern Sibbald.
  38    The licensor of Bacula is the Free Software Foundation Europe
  39    (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zurich,
  40    Switzerland, email:ftf@fsfeurope.org.
  41
  42 =cut
  43
  44 my $cat = shift or die "Usage: $0 catalogname";
  45 my $dir_conf='/usr/sbin/dbcheck -B -c /etc/bacula/bacula-dir.conf';
  46 my $wd = "/var/bacula";
  47
  48 sub dump_sqlite3
  49 {
  50     my %args = @_;
  51
  52     exec("echo .dump | sqlite3 '$wd/$args{db_name}.db' > '$wd/$args{db_name}.sql'");
  53     print "Error while executing sqlite dump $!\n";
  54     return 1;
  55 }
  56
  57 # TODO: use just ENV and drop the pg_service.conf file
  58 sub dump_pgsql
  59 {
  60     my %args = @_;
  61     umask(0077);
  62
  63     if ($args{db_address}) {
  64         $ENV{PGHOST}=$args{db_address};
  65     }
  66     if ($args{db_socket}) {
  67         $ENV{PGHOST}=$args{db_socket};
  68     }
  69     if ($args{db_port}) {
  70         $ENV{PGPORT}=$args{db_port};
  71     }
  72     if ($args{db_user}) {
  73         $ENV{PGUSER}=$args{db_user};
  74     }
  75     if ($args{db_password}) {
  76         $ENV{PGPASSWORD}=$args{db_password};
  77     }
  78     $ENV{PGDATABASE}=$args{db_name};
  79     exec("HOME='$wd' pg_dump -c > '$wd/$args{db_name}.sql'");
  80     print "Error while executing postgres dump $!\n";
  81     return 1;               # in case of error
  82 }
  83
  84 sub dump_mysql
  85 {
  86     my %args = @_;
  87     umask(0077);
  88     unlink("$wd/.my.cnf");
  89     open(MY, ">$wd/.my.cnf")
  90         or die "Can't open $wd/.my.cnf for writing $@";
  91
  92     $args{db_address} = $args{db_address} || "localhost";
  93     my $addr = "host=$args{db_address}";
  94     if ($args{db_socket}) {     # unix socket is fastest than net socket
  95         $addr = "socket=$args{db_socket}";
  96     }
  97
  98     print MY "[client]
  99 $addr
 100 user=$args{db_user}
 101 password=$args{db_password}
 102 ";
 103     if ($args{db_port}) {
 104         print MY "port=$args{db_port}\n";
 105     }
 106
 107     close(MY);
 108
 109     exec("HOME='$wd' mysqldump -f --opt $args{db_name} > '$wd/$args{db_name}.sql'");
 110     print "Error while executing mysql dump $!\n";
 111     return 1;
 112 }
 113
 114 sub dump_catalog
 115 {
 116     my %args = @_;
 117     if ($args{db_type} eq 'SQLite3') {
 118         $ENV{PATH}="/usr/bin:$ENV{PATH}";
 119         dump_sqlite3(%args);
 120     } elsif ($args{db_type} eq 'PostgreSQL') {
 121         $ENV{PATH}="/usr/postgres/9.3/bin:$ENV{PATH}";
 122         dump_pgsql(%args);
 123     } elsif ($args{db_type} eq 'MySQL') {
 124         $ENV{PATH}="/usr/mariadb/5.5/bin:$ENV{PATH}";
 125         dump_mysql(%args);
 126     } else {
 127         die "This database type isn't supported";
 128     }
 129 }
 130
 131 open(FP, "$dir_conf -C '$cat'|") or die "Can't get catalog information $@";
 132 # catalog=MyCatalog
 133 # db_type=SQLite
 134 # db_name=regress
 135 # db_driver=
 136 # db_user=regress
 137 # db_password=
 138 # db_address=
 139 # db_port=0
 140 # db_socket=
 141 my %cfg;
 142
 143 while(my $l = <FP>)
 144 {
 145     if ($l =~ /catalog=(.+)/) {
 146         if (exists $cfg{catalog} and $cfg{catalog} eq $cat) {
 147             exit dump_catalog(%cfg);
 148         }
 149         %cfg = ();              # reset
 150     }
 151
 152     if ($l =~ /(\w+)=(.+)/) {
 153         $cfg{$1}=$2;
 154     }
 155 }
 156
 157 if (exists $cfg{catalog} and $cfg{catalog} eq $cat) {
 158     exit dump_catalog(%cfg);
 159 }
 160
 161 print "Can't find your catalog ($cat) in director configuration\n";
 162 exit 1;