--- loncom/interface/domainprefs.pm	2019/08/27 23:27:07	1.160.6.101
+++ loncom/interface/domainprefs.pm	2021/01/01 15:33:55	1.160.6.106
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.101 2019/08/27 23:27:07 raeburn Exp $
+# $Id: domainprefs.pm,v 1.160.6.106 2021/01/01 15:33:55 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -718,6 +718,7 @@ sub print_config_box {
     if ($numheaders > 1) {
         my $colspan = '';
         my $rightcolspan = '';
+        my $leftnobr = '';  
         if (($action eq 'rolecolors') || ($action eq 'defaults') ||
             ($action eq 'directorysrch') ||
             (($action eq 'login') && ($numheaders < 4))) {
@@ -726,12 +727,15 @@ sub print_config_box {
         if ($action eq 'usersessions') {
             $rightcolspan = ' colspan="3"'; 
         }
+        if ($action eq 'passwords') {
+            $leftnobr = ' LC_nobreak';
+        }
         $output .= '
           <tr>
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
+              <td class="LC_left_item'.$leftnobr.'"'.$colspan.'>'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
               <td class="LC_right_item"'.$rightcolspan.'>'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
              </tr>';
         $rowtotal ++;
@@ -790,7 +794,7 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
+              <td class="LC_left_item'.$leftnobr.'"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
               <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
              </tr>'."\n";
             if ($action eq 'coursecategories') {
@@ -4299,7 +4303,7 @@ sub print_passwords {
                 $datatable .= '<span class="LC_nobreak"><label>'.
                               '<input type="checkbox" name="passwords_case_sensitive" value="'.
                               $item.'"'.$checkedcase.' />'.$usertypes->{$item}.'</label>'.
-                              '<span>&nbsp;&nbsp; ';
+                              '</span>&nbsp;&nbsp; ';
             }
         }
         my $checkedcase;
@@ -4403,7 +4407,7 @@ sub print_passwords {
                       &mt('(If you use the same account ...  reset a password from this page.)').'</span><br /><br />'.
                       &mt('Include custom text:');
         if ($customurl) {
-            my $link =  &Apache::loncommon::modal_link($customurl,&mt('Custom text file'),600,500,
+            my $link =  &Apache::loncommon::modal_link($customurl,&mt('custom text'),600,500,
                                                        undef,undef,undef,undef,'background-color:#ffffff');
             $datatable .= '<span class="LC_nobreak">&nbsp;'.$link.
                           '<label><input type="checkbox" name="passwords_custom_del"'.
@@ -4619,7 +4623,7 @@ sub print_passwords {
                     $datatable .= '<span class="LC_nobreak"><label>'.
                                   '<input type="checkbox" name="passwords_crsowner_'.$item.'" value="'.
                                   $type.'"'.$checked.' />'.$usertypes->{$type}.'</label>'.
-                                  '<span>&nbsp;&nbsp; ';
+                                  '</span>&nbsp;&nbsp; ';
                 }
             }
             my $checked;
@@ -4649,13 +4653,18 @@ sub print_usersessions {
     if ($position eq 'top') {
         if (keys(%serverhomes) > 1) {
             my %spareid = &current_offloads_to($dom,$settings,\%servers);
-            my $curroffloadnow;
+            my ($curroffloadnow,$curroffloadoth);
             if (ref($settings) eq 'HASH') {
                 if (ref($settings->{'offloadnow'}) eq 'HASH') {
                     $curroffloadnow = $settings->{'offloadnow'};
                 }
+                if (ref($settings->{'offloadoth'}) eq 'HASH') {
+                    $curroffloadoth = $settings->{'offloadoth'};
+                }
             }
-            $datatable .= &spares_row($dom,\%servers,\%spareid,\%serverhomes,\%altids,$curroffloadnow,$rowtotal);
+            my $other_insts = scalar(keys(%by_location));
+            $datatable .= &spares_row($dom,\%servers,\%spareid,\%serverhomes,\%altids,
+                                      $other_insts,$curroffloadnow,$curroffloadoth,$rowtotal);
         } else {
             $datatable .= '<tr'.$css_class.'><td colspan="2">'.
                           &mt('Nothing to set here, as the cluster to which this domain belongs only contains one server.');
@@ -4905,7 +4914,8 @@ sub current_offloads_to {
 }
 
 sub spares_row {
-    my ($dom,$servers,$spareid,$serverhomes,$altids,$curroffloadnow,$rowtotal) = @_;
+    my ($dom,$servers,$spareid,$serverhomes,$altids,$other_insts,
+        $curroffloadnow,$curroffloadoth,$rowtotal) = @_;
     my $css_class;
     my $numinrow = 4;
     my $itemcount = 1;
@@ -4925,12 +4935,17 @@ sub spares_row {
                 }
             }
             next unless (ref($spareid->{$server}) eq 'HASH');
-            my $checkednow;
+            my ($checkednow,$checkedoth);
             if (ref($curroffloadnow) eq 'HASH') {
                 if ($curroffloadnow->{$server}) {
                     $checkednow = ' checked="checked"';
                 }
             }
+            if (ref($curroffloadoth) eq 'HASH') {
+                if ($curroffloadoth->{$server}) {
+                    $checkedoth = ' checked="checked"';
+                }
+            }
             $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
             $datatable .= '<tr'.$css_class.'>
                            <td rowspan="2">
@@ -4939,8 +4954,15 @@ sub spares_row {
                               ,'<b>'.$server.'</b>').'</span><br />'.
                           '<span class="LC_nobreak">'."\n".
                           '<label><input type="checkbox" name="offloadnow" value="'.$server.'"'.$checkednow.' />'.
-                          '&nbsp;'.&mt('Switch active users on next access').'</label></span>'.
+                          '&nbsp;'.&mt('Switch any active user on next access').'</label></span>'.
                           "\n";
+            if ($other_insts) {
+                $datatable .= '<br />'.
+                              '<span class="LC_nobreak">'."\n".
+                          '<label><input type="checkbox" name="offloadoth" value="'.$server.'"'.$checkedoth.' />'.
+                          '&nbsp;'.&mt('Switch other institutions on next access').'</label></span>'.
+                          "\n";
+            }
             my (%current,%canselect);
             my @choices = 
                 &possible_newspares($server,$spareid->{$server},$serverhomes,$altids);
@@ -7370,8 +7392,8 @@ function warnIntPass(field) {
                             alert('$intalert{passnum}');
                         }
                     }
+                    field.value = '';
                 }
-                field.value = '';
             }
         }
     }
@@ -7524,7 +7546,7 @@ sub initialize_categories {
                   .'<option value="0">1</option>'
                   .'<option value="1">2</option>'
                   .'<option value="2" selected="selected">3</option></select>&nbsp;'
-                  .&mt('Add category').'</span></td><tda<span class="LC_nobreak">>'.&mt('Name:')
+                  .&mt('Add category').'</span></td><td><span class="LC_nobreak">'.&mt('Name:')
                   .'&nbsp;<input type="text" size="20" name="addcategory_name" value="" /></span>'
                   .'</td></tr>';
     return $datatable;
@@ -10941,7 +10963,7 @@ sub modify_passwords {
             if ($current{'resetlink'} ne $linklife) {
                 $changes{'reset'} = 1;
             }
-        } elsif (!exists($domconfig{passwords})) {
+        } elsif (!ref($domconfig{passwords}) eq 'HASH') {
             if ($staticdefaults{'resetlink'} ne $linklife) {
                 $changes{'reset'} = 1;
             }
@@ -10962,7 +10984,7 @@ sub modify_passwords {
         if (@diffs > 0) {
             $changes{'reset'} = 1;
         }
-    } elsif (!exists($domconfig{passwords})) {
+    } elsif (!ref($domconfig{passwords}) eq 'HASH') {
         my @diffs = &Apache::loncommon::compare_arrays($staticdefaults{'resetcase'},\@casesens);
         if (@diffs > 0) {
             $changes{'reset'} = 1;
@@ -10974,7 +10996,7 @@ sub modify_passwords {
             if ($current{'resetprelink'} ne $newvalues{'resetprelink'}) {
                 $changes{'reset'} = 1;
             }
-        } elsif (!exists($domconfig{passwords})) {
+        } elsif (!ref($domconfig{passwords}) eq 'HASH') {
             if ($staticdefaults{'resetprelink'} ne $newvalues{'resetprelink'}) {
                 $changes{'reset'} = 1;
             }
@@ -11001,7 +11023,7 @@ sub modify_passwords {
                 } else {
                     $changes{'reset'} = 1;
                 }
-            } elsif (!exists($domconfig{passwords})) {
+            } elsif (!ref($domconfig{passwords}) eq 'HASH') {
                 my @diffs = &Apache::loncommon::compare_arrays($staticdefaults{'resetpostlink'}{$type},\@postlink);
                 if (@diffs > 0) {
                     $changes{'reset'} = 1;
@@ -11023,7 +11045,7 @@ sub modify_passwords {
             if (@diffs > 0) {
                 $changes{'reset'} = 1;
             }
-        } elsif (!exists($domconfig{passwords})) {
+        } elsif (!ref($domconfig{passwords}) eq 'HASH') {
             my @diffs = &Apache::loncommon::compare_arrays($staticdefaults{'resetemail'},\@resetemail);
             if (@diffs > 0) {
                 $changes{'reset'} = 1;
@@ -11130,6 +11152,8 @@ sub modify_passwords {
                 if ($staticdefaults{$rule} ne $newvalues{$rule}) {
                     $changes{'rules'} = 1;
                 }
+            } else {
+                $changes{'rules'} = 1;
             }
         } elsif (exists($current{$rule})) {
             $changes{'rules'} = 1;
@@ -11178,7 +11202,7 @@ sub modify_passwords {
                 }
             }
         }
-    } elsif (!exists($domconfig{passwords})) {
+    } elsif (!(ref($domconfig{passwords}) eq 'HASH')) {
         foreach my $item ('by','for') {
             if (@{$crsownerchg{$item}} > 0) {
                 $changes{'crsownerchg'} = 1;
@@ -11208,9 +11232,11 @@ sub modify_passwords {
                             $resulttext .= '<li>'.&mt('CAPTCHA validation set to use: original CAPTCHA').'</li>';
                         } elsif ($confighash{'passwords'}{'captcha'} eq 'recaptcha') {
                             $resulttext .= '<li>'.&mt('CAPTCHA validation set to use: reCAPTCHA').' '.
-                                           &mt('version: [_1]',$confighash{'passwords'}{'recaptchaversion'}).'<br />'.
-                                           &mt('Public key: [_1]',$confighash{'passwords'}{'recaptchapub'}).'</br>'.
-                                           &mt('Private key: [_1]',$confighash{'passwords'}{'recaptchapriv'}).'</li>';
+                                           &mt('version: [_1]',$confighash{'passwords'}{'recaptchaversion'}).'<br />';
+                            if (ref($confighash{'passwords'}{'recaptchakeys'}) eq 'HASH') {
+                                $resulttext .= &mt('Public key: [_1]',$confighash{'passwords'}{'recaptchakeys'}{'public'}).'</br>'.
+                                               &mt('Private key: [_1]',$confighash{'passwords'}{'recaptchakeys'}{'private'}).'</li>';
+                            }
                         } else {
                             $resulttext .= '<li>'.&mt('No CAPTCHA validation').'</li>';
                         }
@@ -11289,8 +11315,9 @@ sub modify_passwords {
                         }
                         if ($confighash{'passwords'}{'resetcustom'}) {
                             my $customlink = &Apache::loncommon::modal_link($confighash{'passwords'}{'resetcustom'},
-                                                                            $titles{custom},600,500);
-                            $resulttext .= '<li>'.&mt('Preamble to "Forgot Password" form includes [_1]',$customlink).'</li>';
+                                                                            &mt('custom text'),600,500,undef,undef,
+                                                                            undef,undef,'background-color:#ffffff');
+                            $resulttext .= '<li>'.&mt('Preamble to "Forgot Password" form includes: [_1]',$customlink).'</li>';
                         } else {
                             $resulttext .= '<li>'.&mt('No custom text included in preamble to "Forgot Password" form').'</li>';
                         }
@@ -11336,6 +11363,24 @@ sub modify_passwords {
                                 $resulttext .= '<li>'.&mt('[_1] set to [_2]',$titles{$rule},$confighash{'passwords'}{$rule}).'</li>';
                             }
                         }
+                        if (ref($confighash{'passwords'}{'chars'}) eq 'ARRAY') {
+                            if (@{$confighash{'passwords'}{'chars'}} > 0) {
+                                my %rulenames = &Apache::lonlocal::texthash(
+                                                     uc => 'At least one upper case letter',
+                                                     lc => 'At least one lower case letter',
+                                                     num => 'At least one number',
+                                                     spec => 'At least one non-alphanumeric',
+                                                   );
+                                my $needed = '<ul><li>'.
+                                             join('</li><li>',map {$rulenames{$_} } @{$confighash{'passwords'}{'chars'}}).
+                                             '</li></ul>';
+                                $resulttext .= '<li>'.&mt('[_1] set to: [_2]',$titles{'chars'},$needed).'</li>';
+                            } else {
+                                $resulttext .= '<li>'.&mt('[_1] set to none',$titles{'chars'}).'</li>';
+                            }
+                        } else {
+                            $resulttext .= '<li>'.&mt('[_1] set to none',$titles{'chars'}).'</li>';
+                        }
                     } elsif ($key eq 'crsownerchg') {
                         if (ref($confighash{'passwords'}{'crsownerchg'}) eq 'HASH') {
                             if ((@{$confighash{'passwords'}{'crsownerchg'}{'by'}} == 0) ||
@@ -12476,19 +12521,25 @@ sub modify_selfcreation {
 }
 
 sub process_captcha {
-    my ($container,$changes,$newsettings,$current) = @_;
-    return unless ((ref($changes) eq 'HASH') && (ref($newsettings) eq 'HASH') || (ref($current) eq 'HASH'));
+    my ($container,$changes,$newsettings,$currsettings) = @_;
+    return unless ((ref($changes) eq 'HASH') && (ref($newsettings) eq 'HASH'));
     $newsettings->{'captcha'} = $env{'form.'.$container.'_captcha'};
     unless ($newsettings->{'captcha'} eq 'recaptcha' || $newsettings->{'captcha'} eq 'notused') {
         $newsettings->{'captcha'} = 'original';
     }
-    if ($current->{'captcha'} ne $newsettings->{'captcha'}) {
+    my %current;
+    if (ref($currsettings) eq 'HASH') {
+        %current = %{$currsettings};
+    }
+    if ($current{'captcha'} ne $newsettings->{'captcha'}) {
         if ($container eq 'cancreate') {
             if (ref($changes->{'cancreate'}) eq 'ARRAY') {
                 push(@{$changes->{'cancreate'}},'captcha');
             } elsif (!defined($changes->{'cancreate'})) {
                 $changes->{'cancreate'} = ['captcha'];
             }
+        } elsif ($container eq 'passwords') {
+            $changes->{'reset'} = 1;
         } else {
             $changes->{'captcha'} = 1;
         }
@@ -12510,9 +12561,9 @@ sub process_captcha {
         }
         $newsettings->{'recaptchaversion'} = $newversion;
     }
-    if (ref($current->{'recaptchakeys'}) eq 'HASH') {
-        $currpub = $current->{'recaptchakeys'}{'public'};
-        $currpriv = $current->{'recaptchakeys'}{'private'};
+    if (ref($current{'recaptchakeys'}) eq 'HASH') {
+        $currpub = $current{'recaptchakeys'}{'public'};
+        $currpriv = $current{'recaptchakeys'}{'private'};
         unless ($newsettings->{'captcha'} eq 'recaptcha') {
             $newsettings->{'recaptchakeys'} = {
                                                  public  => '',
@@ -12520,8 +12571,8 @@ sub process_captcha {
                                               }
         }
     }
-    if ($current->{'captcha'} eq 'recaptcha') {
-        $currversion = $current->{'recaptchaversion'};
+    if ($current{'captcha'} eq 'recaptcha') {
+        $currversion = $current{'recaptchaversion'};
         if ($currversion ne '2') {
             $currversion = 1;
         }
@@ -12533,6 +12584,8 @@ sub process_captcha {
             } elsif (!defined($changes->{'cancreate'})) {
                 $changes->{'cancreate'} = ['recaptchaversion'];
             }
+        } elsif ($container eq 'passwords') {
+            $changes->{'reset'} = 1;
         } else {
             $changes->{'recaptchaversion'} = 1;
         }
@@ -12544,6 +12597,8 @@ sub process_captcha {
             } elsif (!defined($changes->{'cancreate'})) {
                 $changes->{'cancreate'} = ['recaptchakeys'];
             }
+        } elsif ($container eq 'passwords') {
+            $changes->{'reset'} = 1;
         } else {
             $changes->{'recaptchakeys'} = 1;
         }
@@ -14584,6 +14639,7 @@ sub modify_usersessions {
         }
     }
     $defaultshash{'usersessions'}{'offloadnow'} = {};
+    $defaultshash{'usersessions'}{'offloadoth'} = {};
     my @offloadnow = &Apache::loncommon::get_env_multiple('form.offloadnow');
     my @okoffload;
     if (@offloadnow) {
@@ -14600,6 +14656,22 @@ sub modify_usersessions {
             }
         }
     }
+    my @offloadoth = &Apache::loncommon::get_env_multiple('form.offloadoth');
+    my @okoffloadoth;
+    if (@offloadoth) {
+        foreach my $server (@offloadoth) {
+            if (&Apache::lonnet::hostname($server) ne '') {
+                unless (grep(/^\Q$server\E$/,@okoffloadoth)) {
+                    push(@okoffloadoth,$server);
+                }
+            }
+        }
+        if (@okoffloadoth) {
+            foreach my $lonhost (@okoffloadoth) {
+                $defaultshash{'usersessions'}{'offloadoth'}{$lonhost} = 1;
+            }
+        }
+    }
     if (ref($domconfig{'usersessions'}) eq 'HASH') {
         if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') {
             if (ref($changes{'spares'}) eq 'HASH') {
@@ -14610,26 +14682,38 @@ sub modify_usersessions {
         } else {
             $savespares = 1;
         }
-        if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
-            foreach my $lonhost (keys(%{$domconfig{'usersessions'}{'offloadnow'}})) {
-                unless ($defaultshash{'usersessions'}{'offloadnow'}{$lonhost}) {
-                    $changes{'offloadnow'} = 1;
-                    last;
-                }
-            }
-            unless ($changes{'offloadnow'}) {
-                foreach my $lonhost (keys(%{$defaultshash{'usersessions'}{'offloadnow'}})) {
-                    unless ($domconfig{'usersessions'}{'offloadnow'}{$lonhost}) {
-                        $changes{'offloadnow'} = 1;
+        foreach my $offload ('offloadnow','offloadoth') {
+            if (ref($domconfig{'usersessions'}{$offload}) eq 'HASH') {
+                foreach my $lonhost (keys(%{$domconfig{'usersessions'}{$offload}})) {
+                    unless ($defaultshash{'usersessions'}{$offload}{$lonhost}) {
+                        $changes{$offload} = 1;
                         last;
                     }
                 }
+                unless ($changes{$offload}) {
+                    foreach my $lonhost (keys(%{$defaultshash{'usersessions'}{$offload}})) {
+                        unless ($domconfig{'usersessions'}{$offload}{$lonhost}) {
+                            $changes{$offload} = 1;
+                            last;
+                        }
+                    }
+                }
+            } else {
+                if (($offload eq 'offloadnow') && (@okoffload)) {
+                     $changes{'offloadnow'} = 1;
+                }
+                if (($offload eq 'offloadoth') && (@okoffloadoth)) {
+                    $changes{'offloadoth'} = 1;
+                }
             }
-        } elsif (@okoffload) {
+        }
+    } else {
+        if (@okoffload) {
             $changes{'offloadnow'} = 1;
         }
-    } elsif (@okoffload) {
-        $changes{'offloadnow'} = 1;
+        if (@okoffloadoth) {
+            $changes{'offloadoth'} = 1;
+        }
     }
     my $nochgmsg = &mt('No changes made to settings for user session hosting/offloading.');
     if ((keys(%changes) > 0) || ($savespares)) {
@@ -14646,6 +14730,9 @@ sub modify_usersessions {
                 if (ref($defaultshash{'usersessions'}{'offloadnow'}) eq 'HASH') {
                     $domdefaults{'offloadnow'} = $defaultshash{'usersessions'}{'offloadnow'};
                 }
+                if (ref($defaultshash{'usersessions'}{'offloadoth'}) eq 'HASH') {
+                    $domdefaults{'offloadoth'} = $defaultshash{'usersessions'}{'offloadoth'};
+                }
             }
             my $cachetime = 24*60*60;
             &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
@@ -14719,16 +14806,31 @@ sub modify_usersessions {
                 if ($changes{'offloadnow'}) {
                     if (ref($defaultshash{'usersessions'}{'offloadnow'}) eq 'HASH') {
                         if (keys(%{$defaultshash{'usersessions'}{'offloadnow'}}) > 0) {
-                            $resulttext .= '<li>'.&mt('Switch active users on next access, for server(s):').'<ul>';
+                            $resulttext .= '<li>'.&mt('Switch any active user on next access, for server(s):').'<ul>';
                             foreach my $lonhost (sort(keys(%{$defaultshash{'usersessions'}{'offloadnow'}}))) {
                                 $resulttext .= '<li>'.$lonhost.'</li>';
                             }
                             $resulttext .= '</ul>';
                         } else {
-                            $resulttext .= '<li>'.&mt('No servers now set to switch active users on next access.');
+                            $resulttext .= '<li>'.&mt('No servers now set to switch any active user on next access.');
                         }
                     } else {
-                        $resulttext .= '<li>'.&mt('No servers now set to switch active users on next access.').'</li>';
+                        $resulttext .= '<li>'.&mt('No servers now set to switch any active user on next access.').'</li>';
+                    }
+                }
+                if ($changes{'offloadoth'}) {
+                    if (ref($defaultshash{'usersessions'}{'offloadoth'}) eq 'HASH') {
+                        if (keys(%{$defaultshash{'usersessions'}{'offloadoth'}}) > 0) {
+                            $resulttext .= '<li>'.&mt('Switch other institutions on next access, for server(s):').'<ul>';
+                            foreach my $lonhost (sort(keys(%{$defaultshash{'usersessions'}{'offloadoth'}}))) {
+                                $resulttext .= '<li>'.$lonhost.'</li>';
+                            }
+                            $resulttext .= '</ul>';
+                        } else {
+                            $resulttext .= '<li>'.&mt('No servers now set to switch other institutions on next access.');
+                        }
+                    } else {
+                        $resulttext .= '<li>'.&mt('No servers now set to switch other institutions on next access.').'</li>';
                     }
                 }
                 $resulttext .= '</ul>';
@@ -14982,24 +15084,24 @@ sub modify_loadbalancing {
                             $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- cookie use enabled',
                                                       $balancer).'</li>';
                         }
-                        if (keys(%toupdate)) {
-                            my %thismachine;
-                            my $updatedhere;
-                            my $cachetime = 60*60*24;
-                            map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
-                            foreach my $lonhost (keys(%toupdate)) {
-                                if ($thismachine{$lonhost}) {
-                                    unless ($updatedhere) {
-                                        &Apache::lonnet::do_cache_new('loadbalancing',$dom,
-                                                                      $defaultshash{'loadbalancing'},
-                                                                      $cachetime);
-                                        $updatedhere = 1;
-                                    }
-                                } else {
-                                    my $cachekey = &escape('loadbalancing').':'.&escape($dom);
-                                    &Apache::lonnet::remote_devalidate_cache($lonhost,[$cachekey]);
-                                }
+                    }
+                }
+                if (keys(%toupdate)) {
+                    my %thismachine;
+                    my $updatedhere;
+                    my $cachetime = 60*60*24;
+                    map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
+                    foreach my $lonhost (keys(%toupdate)) {
+                        if ($thismachine{$lonhost}) {
+                            unless ($updatedhere) {
+                                &Apache::lonnet::do_cache_new('loadbalancing',$dom,
+                                                              $defaultshash{'loadbalancing'},
+                                                              $cachetime);
+                                $updatedhere = 1;
                             }
+                        } else {
+                            my $cachekey = &escape('loadbalancing').':'.&escape($dom);
+                            &Apache::lonnet::remote_devalidate_cache($lonhost,[$cachekey]);
                         }
                     }
                 }