File:
[LON-CAPA] /
loncom /
misc /
refresh_courseids_db.pl
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1.1:
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Sun Mar 14 23:17:54 2010 UTC (14 years, 3 months ago) by
raeburn
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MAIN
CVS tags:
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- Bug 5967.
- Contents of nohist_courseids.db (excluding lastaccess) rebuilt from permanent data in
course environment.db files.
- Will determine course owner and/or creation date for old courses created before these items
were in use, and update course's environment.db file accordingly.
1: #!/usr/bin/perl
2: # The LearningOnline Network
3: #
4: # $Id: refresh_courseids_db.pl,v 1.1 2010/03/14 23:17:54 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #################################################
29:
30: =pod
31:
32: =head1 NAME
33:
34: refresh_courseids_db.pl
35:
36: =head1 SYNOPSIS
37:
38: refresh_courseids_db.pl is run on a library server and gathers
39: course information for each course for which the current server is
40: the home server. Entries (excluding last access time) for each course
41: in nohist_courseids.db are updated.
42:
43: =head1 DESCRIPTION
44:
45: refresh_courseids_db.pl will update course information, apart
46: from last access time, in nohist_courseids.db, using course data
47: from each course's environment.db file.
48:
49: =cut
50:
51: #################################################
52:
53: use strict;
54: use lib '/home/httpd/lib/perl/';
55: use Apache::lonnet;
56: use Apache::loncommon;
57: use LONCAPA qw(:DEFAULT :match);
58:
59: exit if ($Apache::lonnet::perlvar{'lonRole'} ne 'library');
60:
61: # Make sure this process is running from user=www
62: my $wwwid=getpwnam('www');
63: if ($wwwid!=$<) {
64: my $emailto="$Apache::lonnet::perlvar{'lonAdmEMail'},$Apache::lonnet::perlvar{'lonSysEMail'}";
65: my $subj="LON: $Apache::lonnet::perlvar{'lonHostID'} User ID mismatch";
66: system("echo 'User ID mismatch. refresh_courseids_db.pl must be run as user www.' |\
67: mail -s '$subj' $emailto > /dev/null");
68: exit 1;
69: }
70: #
71: # Let people know we are running
72: open(my $fh,'>>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/logs/refreshcourseids_db.log');
73: print $fh "==== refresh_courseids_db.pl Run ".localtime()."====\n";
74:
75: my @domains = sort(&Apache::lonnet::current_machine_domains());
76: foreach my $dom (@domains) {
77: my %courseshash;
78: my @ids=&Apache::lonnet::current_machine_ids();
79: my %currhash = &Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',1,\@ids,'.');
80: my $dir = $Apache::lonnet::perlvar{lonUsersDir}.'/'.$dom;
81: &recurse_courses($dom,$dir,0,\%courseshash,\%currhash,$fh);
82: foreach my $lonhost (keys(%courseshash)) {
83: if (ref($courseshash{$lonhost}) eq 'HASH') {
84: if (&Apache::lonnet::courseidput($dom,$courseshash{$lonhost},$lonhost,'notime') eq 'ok') {
85: print $fh "nohist_courseids.db updated successfully for domain $dom on lonHostID $lonhost\n";
86: } else {
87: print $fh "Error occurred when updating nohist_courseids.db for domain $dom on lonHostID $lonhost\n";
88: }
89: }
90: }
91: }
92:
93: ## Finished!
94: print $fh "==== refresh_courseids.db completed ".localtime()." ====\n";
95: close($fh);
96:
97: sub recurse_courses {
98: my ($cdom,$dir,$depth,$courseshash,$currhash,$fh) = @_;
99: next unless (ref($currhash) eq 'HASH');
100: if (-d $dir) {
101: opendir(DIR,$dir);
102: my @contents = grep(!/^\./,readdir(DIR));
103: closedir(DIR);
104: $depth ++;
105: foreach my $item (@contents) {
106: if ($depth < 4) {
107: &recurse_courses($cdom,$dir.'/'.$item,$depth,$courseshash,$currhash,$fh);
108: } elsif ($item =~ /^$match_courseid$/) {
109: my $cnum = $item;
110: my $cid = $cdom.'_'.$cnum;
111: unless (ref($currhash->{$cid}) eq 'HASH') {
112: my $is_course = 0;
113: if (-e "$dir/$cnum/passwd") {
114: if (open(my $pwfh,"<$dir/$cnum/passwd")) {
115: while (<$pwfh>) {
116: if (/^none:/) {
117: $is_course = 1;
118: last;
119: }
120: }
121: }
122: }
123: next unless ($is_course);
124: my @stats = stat("$dir/$cnum/passwd");
125: print $fh "Course missing from nohist_courseids.db: $cid, created:".localtime($stats[9])."\n";
126: }
127: my %courseinfo=&Apache::lonnet::coursedescription($cid,{'one_time' => '1'});
128: my %changes = ();
129: my $crstype = $courseinfo{'type'};
130: if ($crstype eq '') {
131: if ($cnum =~ /^$match_community$/) {
132: $crstype = 'Community';
133: } else {
134: $crstype = 'Course';
135: }
136: $changes{'type'} = $crstype;
137: }
138: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
139: my $owner = $courseinfo{'internal.courseowner'};
140: if ($owner eq '') {
141: my %roleshash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,undef,['cc'],undef,undef,1);
142: if (keys(%roleshash) == 1) {
143: foreach my $key (keys(%roleshash)) {
144: if ($key =~ /^($match_username\:$match_domain)\:cc$/) {
145: $owner = $1;
146: $changes{'internal.courseowner'} = $owner;
147: }
148: }
149: }
150: } elsif ($owner !~ /:/) {
151: if ($owner =~ /^$match_username$/) {
152: my $ownerhome=&Apache::lonnet::homeserver($owner,$cdom);
153: unless (($ownerhome eq '') || ($ownerhome eq 'no_host')) {
154: $owner .= ':'.$cdom;
155: $changes{'internal.courseowner'} = $owner;
156: }
157: }
158: }
159: my $created = $courseinfo{'internal.created'};
160: my $creator = $courseinfo{'internal.creator'};
161: my $creationcontext = $courseinfo{'internal.creationcontext'};
162: my $inst_code = $courseinfo{'internal.coursecode'};
163: $inst_code = '' if (!defined($inst_code));
164: $owner = '' if (!defined($owner));
165: if ($created eq '') {
166: my %currdump = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
167: if (ref($currdump{$cid}) eq 'HASH') {
168: $created = $currdump{$cid}{'created'};
169: $creator = $currdump{$cid}{'creator'};
170: $creationcontext = $currdump{$cid}{'context'};
171: unless ($created eq '') {
172: $changes{'internal.created'} = $created;
173: }
174: if ($creator =~ /^($LONCAPA::match_username):($LONCAPA::match_domain)$/) {
175: $changes{'internal.creator'} = $creator;
176: }
177: unless ($creationcontext eq '') {
178: $changes{'internal.creationcontext'} = $creationcontext;
179: }
180: }
181: if ($created eq '') {
182: if (-e "$dir/$cnum/passwd") {
183: my @stats = stat("$dir/$cnum/passwd");
184: $created = $stats[9];
185: }
186: my %lastaccess =
187: &Apache::lonnet::courselastaccess($cdom,$cnum);
188: if ($lastaccess{$cid}) {
189: if ($created eq '') {
190: $created = $lastaccess{$cid};
191: } elsif ($lastaccess{$cid} < $created) {
192: $created = $lastaccess{$cid};
193: }
194: }
195: unless ($created eq '') {
196: $changes{'internal.created'} = $created;
197: }
198: }
199: }
200: unless ($chome eq 'no_host') {
201: $courseshash->{$chome}{$cid} = {
202: description => $courseinfo{'description'},
203: inst_code => $inst_code,
204: owner => $owner,
205: type => $crstype,
206: };
207: if ($courseinfo{'internal.co-owners'} ne '') {
208: $courseshash->{$chome}{$cid}{'co-owners'} = $courseinfo{'internal.co-owners'};
209: }
210: if ($creator ne '') {
211: $courseshash->{$chome}{$cid}{'creator'} = $creator;
212: }
213: if ($created ne '') {
214: $courseshash->{$chome}{$cid}{'created'} = $created;
215: }
216: if ($creationcontext ne '') {
217: $courseshash->{$chome}{$cid}{'context'} = $creationcontext;
218: }
219: if (keys(%changes)) {
220: if (&Apache::lonnet::put('environment',\%changes,$cdom,$cnum) eq 'ok') {
221: print $fh "Course's environment.db for ".$cdom."_".$cnum." successfully updated with following entries: ";
222: foreach my $key (sort(keys(%changes))) {
223: print $fh "$key => $changes{$key} ";
224: }
225: print $fh "\n";
226: } else {
227: print $fh "Error occurred when updating course's environment.db for ".$cdom."_".$cnum."\n";
228: }
229: }
230: }
231: }
232: }
233: }
234: return;
235: }
236:
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