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Diff for /doc/loncapafiles/updatequery.piml between versions 1.2 and 1.28

version 1.2, 2002/05/03 02:08:51 version 1.28, 2003/08/29 18:54:52
Line 1 Line 1
 <!-- updatequery.piml -->  <!-- updatequery.piml -->
 <!-- Scott Harrison -->  
   
 <!-- $Id$ -->  <!-- $Id$ -->
   
Line 31  http://www.lon-capa.org/ Line 30  http://www.lon-capa.org/
 <targetroot>/</targetroot>  <targetroot>/</targetroot>
 <files>  <files>
 <file>  <file>
 <target dist='default'>/home/httpd/lonUsers2</target>  <target dist='default'>/</target>
 <perlscript mode='fg'>  <perlscript mode='fg'>
   $|=1;
   print(&lt;&lt;END);    print(&lt;&lt;END);
   
   
Line 47  http://www.lon-capa.org/ Line 47  http://www.lon-capa.org/
 *********************************************  *********************************************
   
 END  END
   sleep(3);
 </perlscript>  </perlscript>
 </file>  </file>
 <file>  <file>
 <target dist='default'>/home/httpd/lonUsers2</target>  <target dist='default'>loncom/hosts.tab</target>
 <perlscript mode='fg'>  <perlscript mode='fg'>
   unless (-l "<TARGET />") {
     print(&lt;&lt;END);
   
   ===============================================================================
   What hosts.tab and domain.tab would you like to have installed?
   (hosts.tab is a listing of all other internet machines
   that a server system considers to be valid server systems
   on the LON-CAPA network
   domain.tab is a description of the internal LON-CAPA domains)
   
   1) PRODUCTION - you want to deliver courses today or sometime very soon
                   on this machine
   2) STAND-ALONE - you want this machine to run in 'stand-alone' mode and
                    not be connected to other LON-CAPA machines for now
   3) DEVELOPMENT - you want to play with or explore LON-CAPA
   4) PRESERVE the existing hosts.tab and domain.tab
                   (/home/httpd/lonTabs/hosts.tab and
                    /home/httpd/lonTabs/domain.tab)
   
   END
   # Option number 26 will install rawhide_hosts.tab, but
   # the typical user does not want to be part of an intensive
   # machine test cluster.
   
   # get input
   # if valid then process, otherwise loop
   $flag=0;
   while (!$flag) {
     print "ENTER 1, 2, 3, or 4:\n";
     my $choice=&lt;&gt;;
     chomp($choice);
     if ($choice==1) {
       $lonCluster='production'; $flag=1;
     }
     elsif ($choice==2) {
       $lonCluster='standalone'; $flag=1;
     }
     elsif ($choice==3) {
       $lonCluster='development'; $flag=1;
     }
     elsif ($choice==4) {
       $lonCluster='existing'; $flag=1;
       if (-e '/home/httpd/lonTabs/hosts.tab') {
         `cp /home/httpd/lonTabs/hosts.tab ../existing_hosts.tab`;
       }
       else {
         print &lt;&lt;END;
   There is no existing /home/httpd/lonTabs/hosts.tab
   END
         die('');
       }
       if (-e '/home/httpd/lonTabs/domain.tab') {
         `cp /home/httpd/lonTabs/domain.tab ../existing_domain.tab`;
       }
       else {
         print &lt;&lt;END;
   There is no existing /home/httpd/lonTabs/domain.tab
   END
         die('');
       }
     }
     elsif ($choice==26) {
       $lonCluster='rawhide'; $flag=1;
     }
   }
   }
   </perlscript>
   </file>
   <file>
   <target dist='default'>/home/httpd/lonTabs/hosts.tab</target>
   <perlscript mode='fg'>
   $|=1;
   my $domainDescription;
 unless (-e "<TARGET />") {  unless (-e "<TARGET />") {
   print(&lt;&lt;END);    print(&lt;&lt;END);
            WELCOME TO LON-CAPA!             WELCOME TO LON-CAPA!
   
 If you have questions, please visit http://install.lon-capa.org  If you have questions, please visit http://install.lon-capa.org
 or contact sharrison@install.lon-capa.org.  or contact sharrison\@mail.lon-capa.org.
   
 ===============================================================================  ===============================================================================
 The following 3 values are needed to configure LON-CAPA:  The following 4 values are needed to configure LON-CAPA:
 * Machine ID Name  * Machine Role
 * LON-CAPA Domain Name, and  * LON-CAPA Domain Name
   * LON-CAPA Machine ID Name, and
 * System Administration E-mail Address.  * System Administration E-mail Address.
 END  END
   
   open(OUT,'&gt;/tmp/loncapa_updatequery.out');
   close(OUT);
   
   # query for Machine Role
     print(&lt;&lt;END);
   **** Machine Role ****
   Library server (recommended if first-time installation of LON-CAPA):
      Servers that are repositories of authoritative educational resources.
      These servers also provide the construction space by which instructors
      assemble their classroom online material.
   Access server:
      Servers that load-balance high-traffic delivery of educational resources
      over the world-wide web.
   1) Will this be a library server? (recommended if this is your first install)
   2) Or, will this be an access server?
   END
   my $flag=0;
   my $r='';
   my $lonRole;
   while (!$flag) {
     print "ENTER A CHOICE OF 1 or 2:\n";
     my $choice=&lt;&gt;;
     chomp($choice);
     if ($choice==1) {
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'lonRole'."\t".'library'."\n");
       close(OUT);
       $lonRole='library';
       $r='l';
       $flag=1;
     }
     elsif ($choice==2) {
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'lonRole'."\t".'access'."\n");
       close(OUT);
       $lonRole='access';
       $r='a';
       $flag=2;
     }
     else {
   
     }
   }
   
   # need to recommend a machine ID name (ipdomain.l.somenumber)
   my $hostname=`hostname`; chomp($hostname);
   my $ipdomain='';
   if ($hostname=~/([^\.]*)\.([^\.]*)$/) {
     $ipdomain=$1;
   }
   
     print(&lt;&lt;END);
   
   **** Domain ****
   [this does NOT need to correspond to internet address domains,
    examples might be "msu" or "bionet" or "vermontcc"]
   END
   
   # get domain name
   # accept if valid, if not valid, tell user and repeat
   $flag=0;
   my $lonDefDomain;
   while (!$flag) {
   if ($ipdomain) {
   print(&lt;&lt;END);
   ENTER LONCAPA DOMAIN [$ipdomain]:
   END
   }
   else {
     print(&lt;&lt;END);
   ENTER LONCAPA DOMAIN:
   END
   }
     my $choice=&lt;&gt;;
     chomp($choice);
     my $bad_domain_flag=0;
     my @bad_domain_names=('raw','userfiles','priv','adm','uploaded');
     foreach my $bad (@bad_domain_names) {
       $bad_domain_flag=1 if $choice eq $bad;
     }
     if ($ipdomain and $choice=~/^\s*$/) {
       $choice=$ipdomain;
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'lonDefDomain'."\t".$choice."\n");
       close(OUT);
       $lonDefDomain=$choice;
       $flag=1;
     }
     elsif ($choice!~/\_/ and $choice=~/^\w+$/) {
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'lonDefDomain'."\t".$choice."\n");
       close(OUT);
       $lonDefDomain=$choice;
       $r='l';
       $flag=1;
     }
     elsif ($bad_domain_flag) {
       print "Invalid input ('$choice' conflicts with LON-CAPA namespace).\n";
       print "Please try something different than '$choice'\n";
     }
     else {
       print "Invalid input (only alphanumeric characters supported).\n";
     }
   }
   
   
   # get domain description
   # accept if valid, if not valid, tell user and repeat
   $flag=0;
   
   while (!$flag) {
     print(&lt;&lt;END);
   
   **** Domain Description ****
   String describing the domain, to be shown to users.
   [Example, msu is Michigan State University]
   ENTER DOMAIN DESCRIPTION:
   END
   
     my $choice=&lt;&gt;;
     chomp($choice);
     if ($choice!~/:/) {
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'domainDescription'."\t".$choice."\n");
       close(OUT);
       $domainDescription=$choice;
       $flag=1;
     }
     else {
       print "Invalid input (no ':' allowed).\n";
     }
   }
   
   my $lonHostID;
   if ($lonDefDomain) {
     $lonHostID=$lonDefDomain.$r.int(1+rand(9)); # should be probably also detect
                                                 # against the hosts.tab
   }
   
   print(&lt;&lt;END);    print(&lt;&lt;END);
   
 **** Machine ID Name ****  **** Machine ID Name ****
Line 74  END Line 288  END
  we recommend that you use a name based off of your institution;   we recommend that you use a name based off of your institution;
  good examples: "msul1" or "bionetl1";   good examples: "msul1" or "bionetl1";
  bad examples: "loncapabox" or "studentsinside"]   bad examples: "loncapabox" or "studentsinside"]
 ENTER MACHINE ID NAME:  
 END  END
 # get machine name  # get machine name
 # accept if valid, if not valid, tell user and repeat  # accept if valid, if not valid, tell user and repeat
   $flag=0;
   while (!$flag) {
   if ($ipdomain) {
   print(&lt;&lt;END);
   ENTER LONCAPA MACHINE ID [$lonHostID]:
   END
   }
   else {
   print(&lt;&lt;END);    print(&lt;&lt;END);
   ENTER LONCAPA MACHINE ID:
 **** Domain ****  
 [this does NOT need to correspond to internet address domains,  
  examples might be "msu" or "bionet" or "vermontcc"]  
 ENTER LONCAPA DOMAIN:  
 END  END
   }
     my $choice=&lt;&gt;;
     chomp($choice);
     if ($lonHostID and $choice=~/^\s*$/) {
       $choice=$lonHostID;
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'lonHostID'."\t".$choice."\n");
       close(OUT);
       $lonHostID=$choice;
       $flag=1;
     }
     elsif ($choice!~/\_/ and $choice=~/^\w+$/) {
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'lonHostID'."\t".$choice."\n");
       close(OUT);
       $lonHostID=$choice;
       $flag=1;
     }
     else {
       print "Invalid input (only alphanumeric characters supported).\n";
     }
   }
   
 # get domain name  # get e-mail address
 # accept if valid, if not valid, tell user and repeat  # accept if valid, if not valid, tell user and repeat
   $flag=0;
   my $lonAdmEMail;
   while (!$flag) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
   
 **** System Administrator's E-mail ****  **** System Administrator's E-mail ****
 E-mail address of the person who will manage this machine  E-mail address of the person who will manage this machine
 [should be in the form somebody@somewhere]  [should be in the form somebody\@somewhere]
 ENTER E-MAIL ADDRESS:  ENTER E-MAIL ADDRESS:
 END  END
   
 # get e-mail address    my $choice=&lt;&gt;;
 # accept if valid, if not valid, tell user and repeat    chomp($choice);
     if ($choice=~/\@/) {
       open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
       print(OUT 'lonAdmEMail'."\t".$choice."\n");
       close(OUT);
       $lonAdmEMail=$choice;
       $flag=1;
     }
     else {
       print "Invalid input (this needs to look like an e-mail address!).\n";
     }
   }
   
 # update loncapa.conf  # update loncapa.conf
   my $confdir='/etc/httpd/conf/';
   #my $confdir='';
   my $filename='loncapa.conf';
   my %perlvar;
       if (-e "$confdir$filename") {
    open(CONFIG,'&lt;'.$confdir.$filename) or die("Can't read $confdir$filename");
    while (my $configline=&lt;CONFIG&gt;) {
       if ($configline =~ /^[^\#]*PerlSetVar/) {
    my ($unused,$varname,$varvalue)=split(/\s+/,$configline);
    chomp($varvalue);
    $perlvar{$varname}=$varvalue if $varvalue!~/^\{\[\[\[\[/;
       }
    }
    close(CONFIG);
       }
       $perlvar{'lonHostID'}=$lonHostID;
       $perlvar{'lonDefDomain'}=$lonDefDomain;
       $perlvar{'lonAdmEMail'}=$lonAdmEMail;
       $perlvar{'lonRole'}=$lonRole;
       unless ($perlvar{'lonLoadLim'} and $perlvar{'lonLoadLim'}!~/\{\[\[\[\[/) {
          $perlvar{'lonLoadLim'}='2.00';
       }
       unless ($perlvar{'lonUserLoadLim'} and $perlvar{'lonUserLoadLim'}!~/\{\[\[\[\[/) {
          $perlvar{'lonUserLoadLim'}='0';
       }
       unless ($perlvar{'lonExpire'} and $perlvar{'lonExpire'}!~/\{\[\[\[\[/) {
          $perlvar{'lonExpire'}='86400';
       }
       unless ($perlvar{'lonReceipt'} and $perlvar{'lonReceipt'}!~/\{\[\[\[\[/) {
          my $lonReceipt='';
          srand(time ^ $$ ^ unpack "%L*", `ps axww | gzip`);
          my @alnum=(0..9,a..z);
          foreach my $i (1..20) {
    $lonReceipt.=$alnum[int(rand(36))];
          }
          $perlvar{'lonReceipt'}=$lonReceipt;
       }
       open(OUT,"&gt;$confdir$filename") or
         die("Cannot output to $confdir$filename\n");
       foreach my $key (keys %perlvar) {
         my $value=$perlvar{$key};
         print(OUT &lt;&lt;END);
   PerlSetVar     $key      $value
   END
       }
       close(OUT);
 }  }
 </perlscript>  </perlscript>
 </file>  </file>
 <file>  <file>
 <target dist='default'>/home/httpd/lonUsers2</target>  <target dist='default'>/</target>
 <perlscript mode='fg'>  <perlscript mode='fg'>
 # read values from loncapa.conf  # read values from loncapa.conf
   my $confdir='/etc/httpd/conf/';
   my $filename='loncapa.conf';
   my %perlvar;
       if (-e "$confdir$filename") {
    open(CONFIG,'&lt;'.$confdir.$filename) or 
             die("Can't read $confdir$filename");
    while (my $configline=&lt;CONFIG&gt;) {
       if ($configline =~ /^[^\#]*PerlSetVar/) {
    my ($unused,$varname,$varvalue)=split(/\s+/,$configline);
    chomp($varvalue);
    $perlvar{$varname}=$varvalue;
       }
    }
    close(CONFIG);
       }
       unless ($perlvar{'lonLoadLim'} and $perlvar{'lonLoadLim'}!~/\{\[\[\[\[/) {
          $perlvar{'lonLoadLim'}='2.00';
       }
       unless ($perlvar{'lonUserLoadLim'} and $perlvar{'lonUserLoadLim'}!~/\{\[\[\[\[/) {
          $perlvar{'lonUserLoadLim'}='0';
       }
       unless ($perlvar{'lonExpire'} and $perlvar{'lonExpire'}!~/\{\[\[\[\[/) {
          $perlvar{'lonExpire'}='86400';
       }
       unless ($perlvar{'lonReceipt'} and $perlvar{'lonReceipt'}!~/\{\[\[\[\[/) {
          my $lonReceipt='';
          srand(time ^ $$ ^ unpack "%L*", `ps axww | gzip`);
          my @alnum=(0..9,a..z);
          foreach my $i (1..20) {
    $lonReceipt.=$alnum[int(rand(36))];
          }
          $perlvar{'lonReceipt'}=$lonReceipt;
       }
   my %perlvarstatic;
       if (-e "${confdir}loncapa_apache.conf") {
    open(CONFIG,'&lt;'.$confdir.'loncapa_apache.conf') or 
             die("Can't read ${confdir}loncapa_apache.conf");
    while (my $configline=&lt;CONFIG&gt;) {
       if ($configline =~ /^[^\#]*PerlSetVar/) {
    my ($unused,$varname,$varvalue)=split(/\s+/,$configline);
    chomp($varvalue);
    $perlvarstatic{$varname}=$varvalue;
       }
    }
    close(CONFIG);
       }
       if (!$domainDescription && $lonCluster ne 'existing') {
          open(IN,'&lt;../'.$lonCluster.'_domain.tab');
          while(&lt;IN&gt;) {
             if (/^$perlvar{'lonDefDomain'}\:/) {
        (undef,$domainDescription)=split(/:/,$_);
        chomp($domainDescription);
                last;
             }
          }
          close(IN);
       }
       if (!$domainDescription) {
          open(IN,'&lt;/home/httpd/lonTabs/domain.tab');
          while(&lt;IN&gt;) {
             if (/^$perlvar{'lonDefDomain'}\:/) {
        (undef,$domainDescription)=split(/:/,$_);
        chomp($domainDescription);
                last;
             }
          }
          close(IN);
       }
      
   # implement editing logic below, interactively
   # update loncapa.conf until 8 is entered
   
   $flag=0;
   
   while (!$flag) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
   
 ===============================================================================  ===============================================================================
 This is now the current configuration of your machine.  This is now the current configuration of your machine.
 1) Machine Name: $perlsetvar{'lonHostID'}  1) Domain Name: $perlvar{'lonDefDomain'}
 2) Domain Name: $perlsetvar{'lonDefDomain'}  2) Domain Description: $domainDescription
 3) System Administrator's E-mail Address: $perlsetvar{'lonAdmEmail'}  3) Machine Name: $perlvar{'lonHostID'}
 4) Role: $perlsetvar{'lonRole'}  4) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}
 5) Cache Expiration Time: $perlsetvar{'lonExpire'}  5) Role: $perlvar{'lonRole'}
 6) Server Load: $perlsetvar{'lonLoadLim'}  6) Cache Expiration Time: $perlvar{'lonExpire'}
 7) Everything is correct up above  7) Server Load: $perlvar{'lonLoadLim'}
 ENTER A CHOICE OF 1-6 TO CHANGE, otherwise ENTER 7:  8) User Load: $perlvar{'lonUserLoadLim'}
   9) Everything is correct up above
 END  END
   my $hbug=-1;
   my $dbug=-1;
   {
     my $v=$perlvar{'lonHostID'};
     $hbug=0;
     $hbug=1 if $v=~/\W/;
     $hbug=1 if $v=~/\_/;
   }
   {
     my $v=$1;
     $dbug=0;
     $dbug=1 if $v=~/\W/;
     $dbug=1 if $v=~/\_/;
   }
   
 # implement editing logic below, interactively  if ($hbug) {
 # update loncapa.conf until 7 is entered    print "**** ERROR **** ".
    "Invalid lonHostID (should only be letters and/or digits)\n";
   }
   if ($dbug) {
     print "**** ERROR **** ".
    "Invalid lonDefDomain (should only be letters and/or digits)\n";
   }
   
     print(&lt;&lt;END);
   ENTER A CHOICE OF 1-8 TO CHANGE, otherwise ENTER 9:
   END
   my $choice=&lt;&gt;;
   chomp($choice);
     if ($choice==1) {
     print(&lt;&lt;END);
   1) Domain Name: $perlvar{'lonDefDomain'}
   ENTER NEW VALUE (this is an internal value used to identify a group of
                    LON-CAPA machines, it must be alphanumerical, we suggest
                    using a part of your actual DNS domain. For example, for
                    the machine loncapa.msu.edu, we set the Domain to msu):
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $perlvar{'lonDefDomain'}=$choice2;
     }
     elsif ($choice==2) {
     print(&lt;&lt;END);
   2) Domain Description: $domainDescription
   ENTER NEW VALUE (this should be a string that describes your domain, spaces
                    and punctuation are fine except for ':'):
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $domainDescription=$choice2;
     }
     elsif ($choice==3) {
     print(&lt;&lt;END);
   3) Machine Name: $perlvar{'lonHostID'}
   ENTER NEW VALUE (this will be the name of the machine in the LON-CAPA network
                    it cannot contain any of '_' '-' '.' or ':'. We suggest that
                    if you are in the domain 'example' and are the first library
                    server you enter 'examplel1') :
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $perlvar{'lonHostID'}=$choice2;
     }
     elsif ($choice==4) {
     print(&lt;&lt;END);
   4) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}
   ENTER NEW VALUE:
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $perlvar{'lonAdmEMail'}=$choice2;
     }
     elsif ($choice==5) {
     print(&lt;&lt;END);
   5) Role: $perlvar{'lonRole'}
   ENTER NEW VALUE (this should be either 'access' or 'library' 
                    if in doubt select 'library'):
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $perlvar{'lonRole'}=$choice2;
     }
     elsif ($choice==6) {
     print(&lt;&lt;END);
   6) Cache Expiration Time: $perlvar{'lonExpire'}
   ENTER NEW VALUE (in seconds, 86400 is a reasonable value):
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $perlvar{'lonExpire'}=$choice2;
     }
     elsif ($choice==7) {
     print(&lt;&lt;END);
   7) Server Load: $perlvar{'lonLoadLim'}
   ENTER NEW VALUE:
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $perlvar{'lonLoadLim'}=$choice2;
     }
     elsif ($choice==8) {
     print(&lt;&lt;END);
   8) User Load: $perlvar{'lonUserLoadLim'}
   Numer of users that can login before machine is 'overloaded'
   ENTER NEW VALUE (integer value, 0 means there is no limit):
   END
       my $choice2=&lt;&gt;;
       chomp($choice2);
       $perlvar{'lonUserLoadLim'}=$choice2;
     }
     elsif ($choice==9) {
       $flag=1;
     }
     else {
   
     }
   }
       open(OUT,"&gt;$confdir$filename") or
         die("Cannot output to $confdir$filename\n");
       foreach my $key (keys %perlvar) {
         my $value=$perlvar{$key};
         print(OUT &lt;&lt;END) unless $perlvarstatic{$key};
   PerlSetVar     $key      $value
   END
       }
       close(OUT);
 </perlscript>  </perlscript>
 </file>  </file>
 <file>  <file>
 <target dist='default'>loncom/hosts.tab</target>  <target dist='default'>loncom/hosts.tab</target>
 <perlscript mode='fg'>  <perlscript mode='fg'>
 unless (-l "<TARGET />") {  unless (-l "<TARGET />") {
   print(&lt;&lt;END);    my $hostname=`hostname`;chomp($hostname);
     my $hostaddress=`hostname -i $hostname`;chomp($hostaddress);
 ===============================================================================    $hostaddress=~s/\s//;
 What hosts.tab would you like to have installed?    $date=`date -I`; chomp($date);
 (hosts.tab is a listing of all other internet machines    $lonHostID=$perlvar{'lonHostID'};
 that a server system considers to be valid server systems    $lonHostID=~s/\W//g;
 on the LON-CAPA network)    $lineexistflag=0;
     $hostidexistflag=0;
 1) PRODUCTION - you want to deliver courses today or sometime very soon    $line2insert=&lt;&lt;END;
                 on this machine  $perlvar{'lonHostID'}:$perlvar{'lonDefDomain'}:$perlvar{'lonRole'}:$hostname:$hostaddress
 2) DEVELOPMENT - you want to play with or explore LON-CAPA  
 3) Do not install hosts.tab right now  
   
 ENTER 1, 2, or 3:  
 END  END
 # Option number 26 will install rawhide_hosts.tab, but    $domaininsert="$perlvar{'lonDefDomain'}:$domainDescription\n";
 # the typical user does not want to be part of an intensive    if ($lonCluster eq 'standalone') {
 # machine test cluster.      open(OUT,'&gt;../'.$lonCluster.'_hosts.tab') or
         die('file generation error');
 # get input        print(OUT $line2insert);
 # if valid then process, otherwise loop      close(OUT);
       open(OUT,'&gt;../'.$lonCluster.'_domain.tab') or
         die('file generation error');
         print(OUT $domaininsert);
       close(OUT);
     }
     if ($flag==1) {
       `rm -f ../hosts.tab`;
       open(IN,'&lt;../'.$lonCluster.'_hosts.tab');
       while(&lt;IN&gt;) {
         if (/^$line2insert$/) {
           $lineexistflag=1;
         }
         if (/^$lonHostID\:/) {
           $hostidexistflag=1;
         }
       }
       close(IN);
       if ($hostidexistflag and !$lineexistflag) {
         print &lt;&lt;END;
   WARNING: $lonHostID already exists inside
   loncapa/loncom/${lonCluster}_hosts.tab.  The entry inside
   ${lonCluster}_hosts.tab does not match your settings.
   The entry inside ${lonCluster}_hosts.tab is being replaced
   with your new values.
   END
         `grep -v "$lonHostID:" ../${lonCluster}_hosts.tab &gt; ../new_${lonCluster}_hosts.tab`;
          open(OUT,'&gt;&gt;../new_'.$lonCluster.'_hosts.tab') or
            die("cannot open loncom/${lonCluster}_hosts.tab for output\n");
            print(OUT $line2insert);
          close(OUT);
         `ln -s new_${lonCluster}_hosts.tab ../hosts.tab`;
         # email appropriate message
         system('ping -c 1 -W 5 www.lon-capa.org > /dev/null || ping -c 1 -W 5 www.msu.edu > /dev/null || ping -c 1 -W 5 www.mit.edu > /dev/null');
         `echo "REPLACE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "REPLACE:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org` unless $?;
       }
       elsif ($hostidexistflag and $lineexistflag) {
         print &lt;&lt;END;
   Entry exists in ${lonCluster}_hosts.tab.
   END
         `ln -s ${lonCluster}_hosts.tab ../hosts.tab`;
         # email appropriate message
         `echo "STABLEUPDATE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "STABLEUPDATE:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
       }
       elsif (!$hostidexistflag and !$lineexistflag) {
         print &lt;&lt;END;
   New entry for $lonCluster.
   END
         `cat ../${lonCluster}_hosts.tab &gt; ../new_${lonCluster}_hosts.tab`;
          open(OUT,'&gt;&gt;../new_'.$lonCluster.'_hosts.tab') or
            die("cannot open loncom/new_${lonCluster}_hosts.tab for output\n");
            print(OUT $line2insert);
          close(OUT);
         `ln -s new_${lonCluster}_hosts.tab ../hosts.tab`;
         # email appropriate message
         `echo "INSERT:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "INSERT:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
       }
     }
     $lineexistflag=0;
     if ($flag==1) {
       `rm -f ../domain.tab`;
       open(IN,'&lt;../'.$lonCluster.'_domain.tab');
       while(&lt;IN&gt;) {
         if (/^$domaininsert$/) {
           $lineexistflag=1;
         }
         if (/^$perlvar{'lonDefDomain'}\:/) {
           $domainexistflag=1;
         }
       }
       close(IN);
       if ($domainexistflag and !$lineexistflag) {
         print &lt;&lt;END;
   WARNING: $perlvar{'lonDefDomain'} already exists inside
   loncapa/loncom/${lonCluster}_domain.tab.  The entry inside
   ${lonCluster}_domain.tab does not match your settings.
   The entry inside ${lonCluster}_domain.tab is being replaced
   with your new values.
   END
         `grep -v "$perlvar{'lonDefDomain'}:" ../${lonCluster}_domain.tab &gt; ../new_${lonCluster}_domain.tab`;
          open(OUT,'&gt;&gt;../new_'.$lonCluster.'_domain.tab') or
            die("cannot open loncom/${lonCluster}_domain.tab for output\n");
            print(OUT $domaininsert);
          close(OUT);
         `ln -s new_${lonCluster}_domain.tab ../domain.tab`;
         # email appropriate message
         system('ping -c 1 -W 5 www.lon-capa.org > /dev/null || ping -c 1 -W 5 www.msu.edu > /dev/null || ping -c 1 -W 5 www.mit.edu > /dev/null');
         `echo "REPLACEdom:$lonCluster:$lonHostID:$date:$domaninsert" | mail -s "REPLACEdom:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org` unless $?;
       }
       elsif ($domainexistflag and $lineexistflag) {
         print &lt;&lt;END;
   Entry exists in ${lonCluster}_domain.tab.
   END
         `ln -s ${lonCluster}_domain.tab ../domain.tab`;
         # email appropriate message
         `echo "STABLEUPDATEdom:$lonCluster:$lonHostID:$date:$domaininsert" | mail -s "STABLEUPDATEdom:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
       }
       elsif (!$domainexistflag and !$lineexistflag) {
         print &lt;&lt;END;
   New entry for $lonCluster.
   END
         `cat ../${lonCluster}_domain.tab &gt; ../new_${lonCluster}_domain.tab`;
          open(OUT,'&gt;&gt;../new_'.$lonCluster.'_domain.tab') or
            die("cannot open loncom/new_${lonCluster}_domain.tab for output\n");
            print(OUT $domaininsert);
          close(OUT);
         `ln -s new_${lonCluster}_domain.tab ../domain.tab`;
         # email appropriate message
         `echo "INSERTdom:$lonCluster:$lonHostID:$date:$domaininsert" | mail -s "INSERTdom:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
       }
     }
 }  }
 </perlscript>  </perlscript>
 </file>  </file>
Removed from v.1.2  
changed lines
  Added in v.1.28

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