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Diff for /loncom/build/loncaparestoreconfigurations between versions 1.13 and 1.16

version 1.13, 2002/05/16 00:20:30 version 1.16, 2003/02/03 18:03:52
Line 4 Line 4
 #  #
 # $Id$  # $Id$
 #  #
 # YEAR=2000  
 # 10/25, 12/14 Scott Harrison  
 # YEAR=2002  
 # Scott Harrison, 05/15  
 #  
 ###  ###
   
 # This tool helps in updating a system.  It restores information for  # This tool helps in updating a system.  It restores information for
 # configuration files (.lpmlsave or other backup notations).  # configuration files (.lpmlnew or other backup notations).
   
 # By default, the .lpmlsave suffix is used.  # By default, the .lpmlsave suffix is used.
 # Alternatively, there can be two other invocations  # Alternatively, there can be two other invocations
Line 46  use strict; # restrict unsafe and poorly Line 41  use strict; # restrict unsafe and poorly
 # ------------------------------------ Configuration files to be concerned with  # ------------------------------------ Configuration files to be concerned with
 my @special_conf_files=(  my @special_conf_files=(
  '/etc/httpd/conf/loncapa.conf',   '/etc/httpd/conf/loncapa.conf',
  '/etc/httpd/conf/access.conf',  
  '/etc/smb.conf',  
  '/etc/samba/smb.conf'  
  );   );
   
 my %pvar; # store the PerlSetVar variable key/value combinations  my %pvar; # store the PerlSetVar variable key/value combinations
Line 65  CONFLOOP: foreach (@special_conf_files) Line 57  CONFLOOP: foreach (@special_conf_files)
   
     my $lpmlnew_file; # file location of information that needs to be modified      my $lpmlnew_file; # file location of information that needs to be modified
   
 # ------------------------------------------- access.conf (becoming deprecated)  
     if (/^\/etc\/httpd\/conf\/access.conf$/ and  
  -e '/etc/httpd/conf/access.conf') {  
  if ($suffixpragma eq 'lasttimestamp' and  
     -e '/etc/httpd/conf/access.conf'.$suffix) {  
     $suffix=&getsuffix('/etc/httpd/conf/access.conf');  
     unless (-e '/etc/httpd/conf/access.conf'.$suffix) {  
  next CONFLOOP;  
     }  
     $lpmlold="\n".&readfile('/etc/httpd/conf/access.conf'.$suffix);  
     $lpmlnew_file='/etc/httpd/conf/access.conf';  
     $lpmlnew=&readfile($lpmlnew_file);  
  }  
  else {  
     $lpmlold="\n".&readfile('/etc/httpd/conf/access.conf');  
     $lpmlnew_file='/etc/httpd/conf/access.conf'.$suffix;  
     unless (-e $lpmlnew_file) {  
  next CONFLOOP;  
     }  
     $lpmlnew=&readfile($lpmlnew_file);  
  }  
  while($lpmlold=~/\n\s*PerlSetVar\s+(\S+)\s+(\S+)/mcg) {  
     my $pkey=$1; my $pval=$2;  
     $lpmlnew=~s/(\n\s*PerlSetVar\s+$pkey\s+)\S+/$1$pval/;  
     $pvar{$pkey}=$pval;  
  }  
     }  
   
 # ---------------------------------------------------------------- loncapa.conf  # ---------------------------------------------------------------- loncapa.conf
     elsif (/^\/etc\/httpd\/conf\/loncapa.conf$/ and      if (/^\/etc\/httpd\/conf\/loncapa.conf$/ and
  -e '/etc/httpd/conf/loncapa.conf') {   -e '/etc/httpd/conf/loncapa.conf')
         {
  if ($suffixpragma eq 'lasttimestamp' and   if ($suffixpragma eq 'lasttimestamp' and
     -e '/etc/httpd/conf/loncapa.conf') {      -e '/etc/httpd/conf/loncapa.conf')
     {
     $suffix=&getsuffix('/etc/httpd/conf/loncapa.conf');      $suffix=&getsuffix('/etc/httpd/conf/loncapa.conf');
     unless (-e '/etc/httpd/conf/loncapa.conf'.$suffix) {      unless (-e '/etc/httpd/conf/loncapa.conf'.$suffix)
         {
  next CONFLOOP;   next CONFLOOP;
     }        }
     $lpmlold="\n".&readfile('/etc/httpd/conf/loncapa.conf'.$suffix);      $lpmlold="\n".&readfile('/etc/httpd/conf/loncapa.conf'.$suffix);
     $lpmlnew_file='/etc/httpd/conf/loncapa.conf';      $lpmlnew_file='/etc/httpd/conf/loncapa.conf';
     $lpmlnew=&readfile($lpmlnew_file);      $lpmlnew=&readfile($lpmlnew_file);
  }    }
  else {   else
     {
     $lpmlold="\n".&readfile('/etc/httpd/conf/loncapa.conf');      $lpmlold="\n".&readfile('/etc/httpd/conf/loncapa.conf');
     $lpmlnew_file='/etc/httpd/conf/loncapa.conf'.$suffix;      $lpmlnew_file='/etc/httpd/conf/loncapa.conf'.$suffix;
     unless (-e $lpmlnew_file) {      unless (-e $lpmlnew_file)
         {
  next CONFLOOP;   next CONFLOOP;
     }        }
     $lpmlnew=&readfile($lpmlnew_file);      $lpmlnew=&readfile($lpmlnew_file);
  }    }
  while($lpmlold=~/\n\s*PerlSetVar\s+(\S+)\s+(\S+)/mcg) {   while($lpmlold=~/\n\s*PerlSetVar\s+(\S+)\s+(\S+)/mcg)
     {
     my $pkey=$1; my $pval=$2;      my $pkey=$1; my $pval=$2;
     $pvar{$pkey}=$pval;      $pvar{$pkey}=$pval;
  }    }
  foreach my $pkey (keys %pvar) {   foreach my $pkey (keys %pvar)
     {
     my $pval=$pvar{$pkey};      my $pval=$pvar{$pkey};
     $lpmlnew=~s/(\n\s*PerlSetVar\s+$pkey\s+)\S+/$1$pval/;      $lpmlnew=~s/(\n\s*PerlSetVar\s+$pkey\s+)\S+/$1$pval/;
  }    }
  open(OUT,'>'.$lpmlnew_file) or   open(OUT,'>'.$lpmlnew_file) or
     die('Cannot open '.$lpmlnew_file.' for output'."\n");      die('Cannot open '.$lpmlnew_file.' for output'."\n");
  print(OUT $lpmlnew);   print(OUT $lpmlnew);
  close(OUT);   close(OUT);
     }        }
   
 # -------------------------------------------------------------------- smb.conf  # ---------------------- smb.conf (probably will be deprecated in 2004 or 2005)
     elsif (/^\/etc\/smb.conf$/ and -e "/etc/smb.conf$suffix") {      elsif (/^\/etc\/smb.conf$/ and -e "/etc/smb.conf$suffix")
  if ($suffixpragma eq 'lasttimestamp') {        {
    if ($suffixpragma eq 'lasttimestamp')
     {
     $suffix=&getsuffix('/etc/smb.conf');      $suffix=&getsuffix('/etc/smb.conf');
     unless (-e '/etc/httpd/conf/loncapa.conf'.$suffix) {      unless (-e '/etc/httpd/conf/loncapa.conf'.$suffix)
         {
  next CONFLOOP;   next CONFLOOP;
     }        }
     $lpmlnew=&readfile('/etc/smb.conf');      $lpmlnew = &readfile('/etc/smb.conf');
     $lpmlnew_file='/etc/smb.conf';      $lpmlnew_file = '/etc/smb.conf';
  }    }
  else {   else
     $lpmlnew=&readfile('/etc/smb.conf'.$suffix);    {
     $lpmlnew_file='/etc/smb.conf'.$suffix;      $lpmlnew = &readfile('/etc/smb.conf'.$suffix);
  }      $lpmlnew_file = '/etc/smb.conf'.$suffix;
  $lpmlnew=~s/\{\{\{\{\[(.*?)\]\}\}\}\}/$pvar{$1}/ge;    }
    $lpmlnew =~ s/\{\{\{\{\[(.*?)\]\}\}\}\}/$pvar{$1}/ge;
  open(OUT,'>'.$lpmlnew_file) or   open(OUT,'>'.$lpmlnew_file) or
     die('Cannot open '.$lpmlnew_file.' for output'."\n");      die('Cannot open '.$lpmlnew_file.' for output'."\n");
  print(OUT $lpmlnew);   print(OUT $lpmlnew);
  close(OUT);   close(OUT);
     }        }
     elsif (/^\/etc\/samba\/smb.conf$/ and -e "/etc/samba/smb.conf$suffix") {      elsif (/^\/etc\/samba\/smb.conf$/ and -e "/etc/samba/smb.conf$suffix")
  if ($suffixpragma eq 'lasttimestamp') {        {
     $suffix=&getsuffix('/etc/samba/smb.conf');   if ($suffixpragma eq 'lasttimestamp')
     unless (-e '/etc/samba/smb.conf'.$suffix) {    {
       $suffix = &getsuffix('/etc/samba/smb.conf');
       unless (-e '/etc/samba/smb.conf'.$suffix)
         {
  next CONFLOOP;   next CONFLOOP;
     }        }
     $lpmlnew=&readfile('/etc/samba/smb.conf');      $lpmlnew = &readfile('/etc/samba/smb.conf');
     $lpmlnew_file='/etc/samba/smb.conf';      $lpmlnew_file = '/etc/samba/smb.conf';
  }    }
  else {   else
     $lpmlnew=&readfile('/etc/samba/smb.conf'.$suffix);    {
     $lpmlnew_file='/etc/samba/smb.conf'.$suffix;      $lpmlnew = &readfile('/etc/samba/smb.conf'.$suffix);
  }      $lpmlnew_file = '/etc/samba/smb.conf'.$suffix;
  $lpmlnew=~s/\{\{\{\{\[(.*?)\]\}\}\}\}/$pvar{$1}/ge;    }
    $lpmlnew =~ s/\{\{\{\{\[(.*?)\]\}\}\}\}/$pvar{$1}/ge;
  open(OUT,'>'.$lpmlnew_file) or   open(OUT,'>'.$lpmlnew_file) or
     die('Cannot open '.$lpmlnew_file.' for output'."\n");      die('Cannot open '.$lpmlnew_file.' for output'."\n");
  print(OUT $lpmlnew);   print(OUT $lpmlnew);
  close(OUT);   close(OUT);
     }        }
 }    }
   
 # --------------------------------- getsuffix: get the latest time stamp suffix  # --------------------------------- getsuffix: get the latest time stamp suffix
 # === INPUT:  filename without suffix  # === INPUT:  filename without suffix
 # === OUTPUT: the latest time stamp suffix; 14 digits YYYYMMDDhhmmss  # === OUTPUT: the latest time stamp suffix; 14 digits YYYYMMDDhhmmss
 # === ERROR:  cannot read the directory in which the filenames reside  # === ERROR:  cannot read the directory in which the filenames reside
 sub getsuffix {  sub getsuffix ($)
     my ($file)=@_;    {
       my ($file) = @_;
     print("$file\n");      print("$file\n");
     my $dir=$file; $dir=~s/([^\/]+)$//;      my $dir = $file; $dir =~ s/([^\/]+)$//;
     my $filename=$1;      my $filename = $1;
     opendir(DIR,$dir) or      opendir(DIR,$dir) or
  die('Cannot open directory '.$dir.' for viewing'."\n");   die('Cannot open directory '.$dir.' for viewing'."\n");
     my @a=grep {/$filename\.\d{14}/} readdir(DIR);      my @a = grep {/$filename\.\d{14}/} readdir(DIR);
     closedir(DIR);      closedir(DIR);
     map {s/$filename\.//;} @a;      map {s/$filename\.//;} @a;
     my @b=sort {$a<=>$b} @a;      my @b = sort {$a<=>$b} @a;
     my $suffix='.'.$b[$#b];      my $suffix = '.'.$b[$#b];
     return($suffix);      return($suffix);
 }    }
   
 # -------------------------- readfile: get the file contents in a scalar string  # -------------------------- readfile: get the file contents in a scalar string
 # === INPUT:  filename  # === INPUT:  filename
 # === OUTPUT: the filename's contents  # === OUTPUT: the filename's contents
 # === ERROR:  cannot read the file  # === ERROR:  cannot read the file
 # === NOTE:   big files will hog computer memory  # === NOTE:   big files will hog computer memory
 sub readfile {  sub readfile ($)
     my ($filename)=@_;    {
     my $contents='';      my ($filename) = @_;
       my $contents = '';
     open(IN,'<'.$filename) or die ('Cannot read '.$filename."\n");      open(IN,'<'.$filename) or die ('Cannot read '.$filename."\n");
     while(<IN>) {$contents.=$_;}      while(<IN>) {$contents .= $_;}
     close(IN);      close(IN);
     return($contents);      return($contents);
 }    }
   
 =pod  =pod
   
Line 311  invokes this script in B<aggressive upda Line 292  invokes this script in B<aggressive upda
   
 =head1 AUTHORS  =head1 AUTHORS
   
 Scott Harrison  
   
 This module is free software; you can redistribute it  This script is free software; you can redistribute it
 and/or modify it under the same terms as LON-CAPA itself.  and/or modify it under the same terms as LON-CAPA itself.
   
 =cut  =cut
Removed from v.1.13  
changed lines
  Added in v.1.16

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