[2118] | 1 | #!/usr/bin/perl -w
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| 2 | #
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| 3 | # Mindi subroutines brought by the MondoRescue project
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| 4 | #
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| 5 | # $Id$
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| 6 | #
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| 7 | # Copyright B. Cornec 2008
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| 8 | # Provided under the GPL v2
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| 9 |
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| 10 | package MandoRescue::Mindi;
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| 11 |
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| 12 | use strict 'vars';
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| 13 | use Data::Dumper;
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| 14 | use English;
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| 15 | use File::Basename;
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| 16 | use File::Copy;
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| 17 | use POSIX qw(strftime);
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| 18 | use lib qw (lib);
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| 19 | use ProjectBuilder::Base;
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| 20 | use ProjectBuilder::Conf;
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| 21 |
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| 22 | # Inherit from the "Exporter" module which handles exporting functions.
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| 23 |
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| 24 | use Exporter;
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| 25 |
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| 26 | # Export, by default, all the functions into the namespace of
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| 27 | # any code which uses this module.
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| 28 |
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| 29 | our @ISA = qw(Exporter);
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| 30 | our @EXPORT = qw(mr_lvm_check);
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| 31 |
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| 32 | =pod
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| 33 |
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| 34 | =head1 NAME
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| 35 |
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| 36 | MondoRescue::Mindi, part of the mondorescue.org
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| 37 |
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| 38 | =head1 DESCRIPTION
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| 39 |
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| 40 | This modules provides low level functions for the Mindi part of the Mondorescue project
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| 41 |
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| 42 | =head1 USAGE
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| 43 |
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| 44 | =over 4
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| 45 |
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| 46 | =item B<mr_lvm_check>
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| 47 |
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| 48 | This function checks the usage of LVM and gets the version used
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| 49 | It returns 2 parameters, the LVM version, and the lvm command to use if needed
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| 50 |
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| 51 | =cut
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| 52 |
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| 53 | sub mr_lvm_check {
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| 54 |
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| 55 | # Get them from a conf file instead
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| 56 | my $lvmds = "/usr/sbin/lvmdiskscan";
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| 57 | my $lvmproc = "/proc/lvm/global";
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| 58 | my $lvmcmd = "/usr/sbin/lvm";
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| 59 |
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| 60 | mr_exit(1,"$lvmproc doesn't exist.") if (! -x $lvmproc) ;
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| 61 |
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| 62 | # Check LVM volumes presence
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| 63 | open(LVM,$lvmproc) || mr_exit(-1,"Unable to open $lvmproc");
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| 64 | while (<LVM>) {
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| 65 | mr_exit(1,"No LVM volumes found in $lvmproc") if (/0 VGs 0 PVs 0 LVs/);
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| 66 | }
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| 67 | close(LVM);
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| 68 |
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| 69 | # Check LVM version
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| 70 | my $lvmver=0;
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| 71 | if (-x $lvmds ) {
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| 72 | open(LVM,"$lvmds --help 2>&1 |") || mr_exit(-1,"Unable to execute $lvmds");
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| 73 | while (<LVM>) {
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| 74 | if (/Logical Volume Manager/ || /LVM version:/) {
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| 75 | $lvmver = $_;
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| 76 | $lvmver =~ s/:([0-9])\..*/$1/;
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| 77 | }
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| 78 | }
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| 79 | }
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| 80 | close(LVM);
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| 81 |
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| 82 | if ($lvmver == 0) {
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| 83 | # Still not found
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| 84 | if (-x $lvmcmd) {
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| 85 | open(LVM,"$lvmcmd version |") || mr_exit(-1,"Unable to execute $lvmcmd");
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| 86 | while (<LVM>) {
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| 87 | if (/LVM version/) {
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| 88 | $lvmver = $_;
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| 89 | $lvmver =~ s/LVM version ([0-9])\..*/$1/;
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| 90 | }
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| 91 | }
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| 92 | close(LVM);
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| 93 | }
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| 94 | }
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| 95 |
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| 96 | if ($lvmver == 0) {
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| 97 | # Still not found
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| 98 | mr_exit(-1,"Unable to determine LVM version.\nPlease report to the dev team with the result of the commands\n$lvmds and $lvmcmd version");
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| 99 | } elsif ($lvmver == 1) {
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| 100 | $lvmcmd = "";
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| 101 | }
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| 102 | pb_log(1,"Found LVM version $lvmver");
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| 103 | return ($lvmver,$lvmcmd);
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| 104 |
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| 105 | }
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| 106 |
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| 107 | =back
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| 108 |
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| 109 | =head1 WEB SITES
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| 110 |
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| 111 | The main Web site of the project is available at L<http://www.mondorescue.org/>. Bug reports should be filled using the trac instance of the project at L<http://trac.mondorescue.org/>.
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| 112 |
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| 113 | =head1 USER MAILING LIST
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| 114 |
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| 115 | The mailing list of the project is available at L<mailto:mondo@lists.sf.net>
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| 116 |
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| 117 | =head1 AUTHORS
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| 118 |
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| 119 | The Mondorescue.org team L<http://www.mondorescue.org/> lead by Bruno Cornec L<mailto:bruno@mondorescue.org>.
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| 120 |
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| 121 | =head1 COPYRIGHT
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| 122 |
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| 123 | This module is distributed under the GPL v2.0 license
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| 124 | described in the file C<COPYING> included with the distribution.
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| 125 |
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| 126 |
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| 127 | =cut
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| 128 |
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| 129 | 1;
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| 130 |
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