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- Support RHEL 8 (and CentOS 8, once released).

    1: #!/usr/bin/perl
    2: #
    3: # The LearningOnline Network with CAPA
    4: #
    5: # $Id: distprobe,v 1.22 2019/05/27 01:26:31 raeburn Exp $
    6: #
    7: # Copyright Michigan State University Board of Trustees
    8: #
    9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   10: #
   11: # LON-CAPA is free software; you can redistribute it and/or modify
   12: # it under the terms of the GNU General Public License as published by
   13: # the Free Software Foundation; either version 2 of the License, or
   14: # (at your option) any later version.
   15: #
   16: # LON-CAPA is distributed in the hope that it will be useful,
   17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   19: # GNU General Public License for more details.
   20: #
   21: # You should have received a copy of the GNU General Public License
   22: # along with LON-CAPA; if not, write to the Free Software
   23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   24: #
   25: # /home/httpd/html/adm/gpl.txt
   26: #
   27: # http://www.lon-capa.org/
   28: #
   29: 
   30: my $dist='default';
   31: my $unknown;
   32: if (-e '/etc/redhat-release') {
   33:     open(IN,'</etc/redhat-release');
   34:     my $versionstring=<IN>;
   35:     chomp($versionstring);
   36:     close(IN);
   37:     if ($versionstring =~ /^Red Hat Linux release ([\d\.]+) /) {
   38:         $version = $1;
   39:         if ($version=~/^7\./) {
   40:             $dist='redhat7';
   41:         } elsif ($version=~/^8\./) {
   42:             $dist='redhat8';
   43:         } elsif ($version=~/^9/) {
   44:             $dist='redhat9';
   45:         }
   46:     } elsif ($versionstring =~ /Fedora( Core)? release ([\d\.]+) /) {
   47: 	my $version=$2;
   48: 	if ($version - int($version) > .9) {
   49: 	    $dist = 'fedora'.(int($version)+1);
   50: 	} else {
   51: 	    $dist = 'fedora'.int($version);
   52: 	}
   53:     } elsif ($versionstring =~ /Red Hat Enterprise Linux [AE]S release ([\d\.]+) /) {
   54:         $dist = 'rhes'.$1;
   55:     } elsif ($versionstring =~ /Red Hat Enterprise Linux Server release (\d+)/) {
   56:         $dist = 'rhes'.$1;
   57:     } elsif ($versionstring =~ /Red Hat Enterprise Linux release (\d+)/) {
   58:         $dist = 'rhes'.$1;
   59:     } elsif ($versionstring =~ /CentOS(?:| Linux) release (\d+)/) {
   60:         $dist = 'centos'.$1;
   61:     } elsif ($versionstring =~ /Scientific Linux (?:SL )?release ([\d.]+) /) {
   62:         my $ver = $1;
   63:         $ver =~ s/\.\d+$//;
   64:         $dist = 'scientific'.$ver;
   65:     } else {
   66:         warn('Unable to interpret /etc/redhat-release '.
   67:              'to determine system type');
   68:         $unknown = 1;
   69:     }
   70: } elsif (-e '/etc/SuSE-release') {
   71:     open(IN,'</etc/SuSE-release');
   72:     my $versionstring=<IN>;
   73:     chomp($versionstring);
   74:     close(IN);
   75:     if ($versionstring =~ /^SUSE LINUX Enterprise Server ([\d\.]+) /i) {
   76:         $dist='sles'.$1;
   77:     } elsif ($versionstring =~ /^SuSE Linux ([\d\.]+) /i) {
   78:         $dist = 'suse'.$1;
   79:     } elsif ($versionstring =~ /^openSUSE ([\d\.]+) /i) {
   80:         $dist = 'suse'.$1;
   81:     } else {
   82:         warn('Unable to interpret /etc/SuSE-release '.
   83:              'to determine system type');
   84:         $unknown = 1;
   85:     }
   86: } elsif (-e '/etc/issue') {
   87:     open(IN,'</etc/issue');
   88:     my $versionstring=<IN>;
   89:     chomp($versionstring);
   90:     close(IN);
   91:     if ($versionstring =~ /^Ubuntu (\d+)\.\d+/i) {
   92:         $dist = 'ubuntu'.$1;
   93:     } elsif ($versionstring =~ /^Debian\s+GNU\/Linux\s+(\d+)\.\d+/i) {
   94:         $dist = 'debian'.$1;
   95:     } elsif (-e '/etc/debian_version') {
   96:         open(IN,'</etc/debian_version');
   97:         my $version=<IN>;
   98:         chomp($version);
   99:         close(IN);
  100:         if ($version =~  /^(\d+)\.\d+\.?\d*/) {
  101:             $dist='debian'.$1;
  102:         } else {
  103:             warn('Unable to interpret /etc/debian_version '.
  104:                  'to determine system type');
  105:             $unknown = 1;
  106:         }
  107:     }
  108: } elsif (-e '/etc/debian_version') {
  109:     open(IN,'</etc/debian_version');
  110:     my $version=<IN>;
  111:     chomp($version);
  112:     close(IN);
  113:     if ($version =~  /^(\d+)\.\d+\.?\d*/) {
  114:         $dist='debian'.$1;
  115:     } else {
  116:         warn('Unable to interpret /etc/debian_version '.
  117:              'to determine system type');
  118:         $unknown = 1;
  119:     }
  120: }
  121: if (($dist eq 'default') && (!$unknown)) {
  122:     if (-e '/etc/os-release') {
  123:         if (open(IN,'<','/etc/os-release')) {
  124:             my ($id,$version);
  125:             while(<IN>) {
  126:                 chomp();
  127:                 if (/^ID="(\w+)"/) {
  128:                     $id=$1;
  129:                 } elsif (/^VERSION_ID="([\d\.]+)"/) {
  130:                     $version=$1;
  131:                 }
  132:             }
  133:             close(IN);
  134:             if ($id eq 'sles') {
  135:                 my ($major,$minor) = split(/\./,$version);
  136:                 if ($major =~ /^\d+$/) {
  137:                     $dist = $id.$major;
  138:                 }
  139:             }
  140:         }
  141:         if ($dist eq 'default') {
  142:             warn('Unable to interpret /etc/os-release '.
  143:                  'to determine system type.');
  144:             $unknown = 1;
  145:         }
  146:     } else {
  147:         warn('Unknown installation: expecting a debian, ubuntu, suse, sles, redhat, fedora or scientific linux system.')."\n";
  148:     }
  149: }
  150: print $dist;