Diff for /doc/loncapafiles/updatequery.piml between versions 1.13 and 1.27

version 1.13, 2002/06/06 15:36:41 version 1.27, 2003/05/19 18:35:50
Line 1 Line 1
 <!-- updatequery.piml -->  <!-- updatequery.piml -->
 <!-- Scott Harrison -->  
   
 <!-- $Id$ -->  <!-- $Id$ -->
   
Line 52  sleep(3); Line 51  sleep(3);
 </perlscript>  </perlscript>
 </file>  </file>
 <file>  <file>
   <target dist='default'>loncom/hosts.tab</target>
   <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>  <target dist='default'>/home/httpd/lonTabs/hosts.tab</target>
 <perlscript mode='fg'>  <perlscript mode='fg'>
 $|=1;  $|=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!
Line 145  END Line 216  END
 }  }
   my $choice=&lt;&gt;;    my $choice=&lt;&gt;;
   chomp($choice);    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 $choice=~/^\s*$/) {    if ($ipdomain and $choice=~/^\s*$/) {
     $choice=$ipdomain;      $choice=$ipdomain;
     open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');      open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
Line 161  END Line 237  END
     $r='l';      $r='l';
     $flag=1;      $flag=1;
   }    }
     elsif ($bad_domain_flag) {
       print "Invalid input ('$choice' conflicts with LON-CAPA namespace).\n";
       print "Please try something different than '$choice'\n";
     }
   else {    else {
     print "Invalid input (only alphanumeric characters supported).\n";      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;  my $lonHostID;
 if ($lonDefDomain) {  if ($lonDefDomain) {
   $lonHostID=$lonDefDomain.$r.int(1+rand(9)); # should be probably also detect    $lonHostID=$lonDefDomain.$r.int(1+rand(9)); # should be probably also detect
Line 264  my %perlvar; Line 372  my %perlvar;
     $perlvar{'lonDefDomain'}=$lonDefDomain;      $perlvar{'lonDefDomain'}=$lonDefDomain;
     $perlvar{'lonAdmEMail'}=$lonAdmEMail;      $perlvar{'lonAdmEMail'}=$lonAdmEMail;
     $perlvar{'lonRole'}=$lonRole;      $perlvar{'lonRole'}=$lonRole;
     unless ($perlvar{'lonSqlAccess'}) {      unless ($perlvar{'lonLoadLim'} and $perlvar{'lonLoadLim'}!~/\{\[\[\[\[/) {
        $perlvar{'lonSqlAccess'}='localhostkey';  
     }  
     unless ($perlvar{'lonLoadLim'}) {  
        $perlvar{'lonLoadLim'}='2.00';         $perlvar{'lonLoadLim'}='2.00';
     }      }
     unless ($perlvar{'lonExpire'}) {      unless ($perlvar{'lonUserLoadLim'} and $perlvar{'lonUserLoadLim'}!~/\{\[\[\[\[/) {
          $perlvar{'lonUserLoadLim'}='0';
       }
       unless ($perlvar{'lonExpire'} and $perlvar{'lonExpire'}!~/\{\[\[\[\[/) {
        $perlvar{'lonExpire'}='86400';         $perlvar{'lonExpire'}='86400';
     }      }
     unless ($perlvar{'lonReceipt'}) {      unless ($perlvar{'lonReceipt'} and $perlvar{'lonReceipt'}!~/\{\[\[\[\[/) {
        my $lonReceipt='';         my $lonReceipt='';
        srand(time ^ $$ ^ unpack "%L*", `ps axww | gzip`);         srand(time ^ $$ ^ unpack "%L*", `ps axww | gzip`);
        my @alnum=(0..9,a..z);         my @alnum=(0..9,a..z);
Line 299  END Line 407  END
 <perlscript mode='fg'>  <perlscript mode='fg'>
 # read values from loncapa.conf  # read values from loncapa.conf
 my $confdir='/etc/httpd/conf/';  my $confdir='/etc/httpd/conf/';
 #my $confdir='';  
 my $filename='loncapa.conf';  my $filename='loncapa.conf';
 my %perlvar;  my %perlvar;
     if (-e "$confdir$filename") {      if (-e "$confdir$filename") {
Line 314  my %perlvar; Line 421  my %perlvar;
  }   }
  close(CONFIG);   close(CONFIG);
     }      }
       unless ($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;  my %perlvarstatic;
     if (-e "${confdir}loncapa_apache.conf") {      if (-e "${confdir}loncapa_apache.conf") {
  open(CONFIG,'&lt;'.$confdir.'loncapa_apache.conf') or    open(CONFIG,'&lt;'.$confdir.'loncapa_apache.conf') or 
Line 327  my %perlvarstatic; Line 452  my %perlvarstatic;
  }   }
  close(CONFIG);   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  # implement editing logic below, interactively
 # update loncapa.conf until 7 is entered  # update loncapa.conf until 8 is entered
   
 $flag=0;  $flag=0;
   
 while (!$flag) {  while (!$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) Domain Name: $perlvar{'lonDefDomain'}  1) Domain Name: $perlvar{'lonDefDomain'}
 2) Machine Name: $perlvar{'lonHostID'}  2) Domain Description: $domainDescription
 3) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}  3) Machine Name: $perlvar{'lonHostID'}
 4) Role: $perlvar{'lonRole'}  4) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}
 5) Cache Expiration Time: $perlvar{'lonExpire'}  5) Role: $perlvar{'lonRole'}
 6) Server Load: $perlvar{'lonLoadLim'}  6) Cache Expiration Time: $perlvar{'lonExpire'}
 7) Everything is correct up above  7) Server Load: $perlvar{'lonLoadLim'}
 END  8) User Load: $perlvar{'lonUserLoadLim'}
   9) Everything is correct up above
   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=~/\_/;
   }
   
   if ($hbug) {
     print "**** ERROR **** ".
    "Invalid lonHostID (should only be letters and/or digits)\n";
   }
   if ($dbug) {
     print "**** ERROR **** ".
    "Invalid lonDefDomain (should only be letters and/or digits)\n";
   }
   
   print(&lt;&lt;END);    print(&lt;&lt;END);
 ENTER A CHOICE OF 1-6 TO CHANGE, otherwise ENTER 7:  ENTER A CHOICE OF 1-8 TO CHANGE, otherwise ENTER 9:
 END  END
 my $choice=&lt;&gt;;  my $choice=&lt;&gt;;
 chomp($choice);  chomp($choice);
   if ($choice==1) {    if ($choice==1) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
 2) Domain Name: $perlvar{'lonDefDomain'}  1) Domain Name: $perlvar{'lonDefDomain'}
 ENTER NEW VALUE:  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  END
     my $choice2=&lt;&gt;;      my $choice2=&lt;&gt;;
     chomp($choice2);      chomp($choice2);
Line 360  END Line 538  END
   }    }
   elsif ($choice==2) {    elsif ($choice==2) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
 1) Machine Name: $perlvar{'lonHostID'}  2) Domain Description: $domainDescription
 ENTER NEW VALUE:  ENTER NEW VALUE (this should be a string that describes your domain, spaces
                    and punctuation are fine except for ':'):
 END  END
     my $choice2=&lt;&gt;;      my $choice2=&lt;&gt;;
     chomp($choice2);      chomp($choice2);
     $perlvar{'lonHostID'}=$choice2;      $domainDescription=$choice2;
   }    }
   elsif ($choice==3) {    elsif ($choice==3) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
 3) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}  3) Machine Name: $perlvar{'lonHostID'}
 ENTER NEW VALUE:  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  END
     my $choice2=&lt;&gt;;      my $choice2=&lt;&gt;;
     chomp($choice2);      chomp($choice2);
     $perlvar{'lonAdmEMail'}=$choice2;      $perlvar{'lonHostID'}=$choice2;
   }    }
   elsif ($choice==4) {    elsif ($choice==4) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
 4) Role: $perlvar{'lonRole'}  4) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}
 ENTER NEW VALUE:  ENTER NEW VALUE:
 END  END
     my $choice2=&lt;&gt;;      my $choice2=&lt;&gt;;
     chomp($choice2);      chomp($choice2);
     $perlvar{'lonRole'}=$choice2;      $perlvar{'lonAdmEMail'}=$choice2;
   }    }
   elsif ($choice==5) {    elsif ($choice==5) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
 5) Cache Expiration Time: $perlvar{'lonExpire'}  5) Role: $perlvar{'lonRole'}
 ENTER NEW VALUE:  ENTER NEW VALUE (this should be either 'access' or 'library' 
                    if in doubt select 'library'):
 END  END
     my $choice2=&lt;&gt;;      my $choice2=&lt;&gt;;
     chomp($choice2);      chomp($choice2);
     $perlvar{'lonExpire'}=$choice2;      $perlvar{'lonRole'}=$choice2;
   }    }
   elsif ($choice==6) {    elsif ($choice==6) {
   print(&lt;&lt;END);    print(&lt;&lt;END);
 6) Server Load: $perlvar{'lonLoadLim'}  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:  ENTER NEW VALUE:
 END  END
     my $choice2=&lt;&gt;;      my $choice2=&lt;&gt;;
     chomp($choice2);      chomp($choice2);
     $perlvar{'lonLoadLim'}=$choice2;      $perlvar{'lonLoadLim'}=$choice2;
   }    }
   elsif ($choice==7) {    elsif ($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;      $flag=1;
   }    }
   else {    else {
Line 425  END Line 627  END
 <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  
 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 (/home/httpd/lonTabs/hosts.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  
 my $hostname=`hostname`;chomp($hostname);  
 my $hostaddress=`hostname -i $hostname`;chomp($hostaddress);  
 $flag=0;  
 while (!$flag) {  
   print "ENTER 1, 2, 3, or 4:\n";  
   my $choice=&lt;&gt;;  
   chomp($choice);  
     $line2insert=&lt;&lt;END;  
 $perlvar{'lonHostID'}:$perlvar{'lonDefDomain'}:$perlvar{'lonRole'}:$hostname:$hostaddress  $perlvar{'lonHostID'}:$perlvar{'lonDefDomain'}:$perlvar{'lonRole'}:$hostname:$hostaddress
 END  END
     $date=`date -I`; chomp($date);    $domaininsert="$perlvar{'lonDefDomain'}:$domainDescription\n";
     $lonHostID=$perlvar{'lonHostID'};    if ($lonCluster eq 'standalone') {
     $lonHostID=~s/\W//g;      open(OUT,'&gt;../'.$lonCluster.'_hosts.tab') or
     $lineexistflag=0;        die('file generation error');
     $hostidexistflag=0;        print(OUT $line2insert);
   if ($choice==1) {      close(OUT);
     $lonCluster='production';      open(OUT,'&gt;../'.$lonCluster.'_domain.tab') or
         die('file generation error');
         print(OUT $domaininsert);
       close(OUT);
     }
     if ($flag==1) {
     `rm -f ../hosts.tab`;      `rm -f ../hosts.tab`;
     open(IN,'&lt;../production_hosts.tab');      open(IN,'&lt;../'.$lonCluster.'_hosts.tab');
     while(&lt;IN&gt;) {      while(&lt;IN&gt;) {
       if (/^$line2insert$/) {        if (/^$line2insert$/) {
         $lineexistflag=1;          $lineexistflag=1;
       }        }
       if (/^$perlvar{'lonHostID'}\:/) {        if (/^$lonHostID\:/) {
         $hostidexistflag=1;          $hostidexistflag=1;
       }        }
     }      }
Line 478  END Line 664  END
     if ($hostidexistflag and !$lineexistflag) {      if ($hostidexistflag and !$lineexistflag) {
       print &lt;&lt;END;        print &lt;&lt;END;
 WARNING: $lonHostID already exists inside  WARNING: $lonHostID already exists inside
 loncapa/loncom/production_hosts.tab.  The entry inside  loncapa/loncom/${lonCluster}_hosts.tab.  The entry inside
 production_hosts.tab does not match your settings.  ${lonCluster}_hosts.tab does not match your settings.
 The entry inside production_hosts.tab is being replaced  The entry inside ${lonCluster}_hosts.tab is being replaced
 with your new values.  with your new values.
 END  END
       `grep -v "$lonHostID:" ../production_hosts.tab &gt; ../new_production_hosts.tab`;        `grep -v "$lonHostID:" ../${lonCluster}_hosts.tab &gt; ../new_${lonCluster}_hosts.tab`;
        open(OUT,'&gt;&gt;../new_production_hosts.tab') or         open(OUT,'&gt;&gt;../new_'.$lonCluster.'_hosts.tab') or
          die("cannot open loncom/standalone_hosts.tab for output\n");           die("cannot open loncom/${lonCluster}_hosts.tab for output\n");
          print(OUT &lt;&lt;END);           print(OUT $line2insert);
 $line2insert  
 END  
        close(OUT);         close(OUT);
       `ln -s new_production_hosts.tab ../hosts.tab`;        `ln -s new_${lonCluster}_hosts.tab ../hosts.tab`;
       # email appropriate message        # email appropriate message
 #      `echo "$date" | mail -s "REPLACE:$lonHostID:$date" installrecord\@mail.lon-capa.org`;        system('ping -c 1 www.lon-capa.org > /dev/null || ping -c 1 www.msu.edu > /dev/null || ping -c 1 www.mit.edu > /dev/null');
       `echo "REPLACE:$lonHostID:date:$line2insert" | mail -s "REPLACE:$lonHostID:$date" installrecord\@mail.lon-capa.org`;        `echo "REPLACE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "REPLACE:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org` unless $?;
       # "REPLACE:hostid:date"  
       # "REPLACE:hostid:date:line"  
     }      }
     elsif ($hostidexistflag and $lineexistflag) {      elsif ($hostidexistflag and $lineexistflag) {
       `ln -s production_hosts.tab ../hosts.tab`;        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 !$lineexistflag) {      elsif (!$hostidexistflag and !$lineexistflag) {
       `cat ../production_hosts.tab &gt; ../new_production_hosts.tab`;        print &lt;&lt;END;
       `ln -s new_production_hosts.tab &gt; ../hosts.tab`;  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`;
     }      }
     $flag=1;  
   }    }
   elsif ($choice==2) {    $lineexistflag=0;
     $lonCluster='standalone';    if ($flag==1) {
     open(OUT,'&gt;../standalone_hosts.tab') or      `rm -f ../domain.tab`;
       die("cannot open loncom/standalone_hosts.tab for output\n");      open(IN,'&lt;../'.$lonCluster.'_domain.tab');
     print(OUT &lt;&lt;END);      while(&lt;IN&gt;) {
 $perlvar{'lonHostID'}:$perlvar{'lonDefDomain'}:$perlvar{'lonRole'}:$hostname:$hostaddress        if (/^$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 ${lonCluster}_domain.tab is being replaced
   with your new values.
 END  END
     close(OUT);        `grep -v "$perlvar{'lonDefDomain'}:" ../${lonCluster}_domain.tab &gt; ../new_${lonCluster}_domain.tab`;
     `rm -f ../hosts.tab`;         open(OUT,'&gt;&gt;../new_'.$lonCluster.'_domain.tab') or
     `ln -s standalone_hosts.tab ../hosts.tab`;           die("cannot open loncom/${lonCluster}_domain.tab for output\n");
     $flag=1;           print(OUT $domaininsert);
   }         close(OUT);
   elsif ($choice==3) {        `ln -s new_${lonCluster}_domain.tab ../domain.tab`;
     $lonCluster='development';        # email appropriate message
     `rm -f loncom/hosts.tab`;        system('ping -c 1 www.lon-capa.org > /dev/null || ping -c 1 www.msu.edu > /dev/null || ping -c 1 www.mit.edu > /dev/null');
     `ln -s development_hosts.tab ../hosts.tab`;        `echo "REPLACEdom:$lonCluster:$lonHostID:$date:$domaninsert" | mail -s "REPLACEdom:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org` unless $?;
     $flag=1;      }
   }      elsif ($domainexistflag and $lineexistflag) {
   elsif ($choice==4) {        print &lt;&lt;END;
     $lonCluster='existing';  Entry exists in ${lonCluster}_domain.tab.
     `rm -f ../hosts.tab`;  END
     `touch existing_hosts.tab`;        `ln -s ${lonCluster}_domain.tab ../domain.tab`;
     if (-e '/home/httpd/lonTabs/hosts.tab') {        # email appropriate message
       `cp /home/httpd/lonTabs/hosts.tab ../existing_hosts.tab`;        `echo "STABLEUPDATEdom:$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`;
     }      }
     `ln -s existing_hosts.tab ../hosts.tab`;  
     $flag=1;  
   }  
   elsif ($choice==26) {  
     $lonCluster='rawhide';  
     `rm -f ../hosts.tab`;  
     `ln -s rawhide_hosts.tab ../hosts.tab`;  
     $flag=1;  
   }  
   else {  
   
   }    }
 }  }
   
 }  
 </perlscript>  </perlscript>
 </file>  </file>
 </files>  </files>

Removed from v.1.13  
changed lines
  Added in v.1.27


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