[LON-CAPA-cvs] cvs: loncom /debugging_tools move_construction_spaces.pl
raeburn
raeburn at source.lon-capa.org
Wed Oct 26 10:19:43 EDT 2011
raeburn Wed Oct 26 14:19:43 2011 EDT
Added files:
/loncom/debugging_tools move_construction_spaces.pl
Log:
- Script to move Construction Spaces from /home to /home/httpd/html/priv
and vice versa.
Work in progress.
-------------- next part --------------
Index: loncom/debugging_tools/move_construction_spaces.pl
+++ loncom/debugging_tools/move_construction_spaces.pl
#!/usr/bin/perl
#
# Move Construction Spaces from /home/$user/public_html
# to /home/httpd/html/priv/$domain/$user and vice versa
#
use strict;
use lib '/home/httpd/lib/perl/';
use LONCAPA::Configuration;
use LONCAPA qw(:DEFAULT :match);
use Apache::lonlocal;
use File::Copy;
use GDBM_File;
my ($parameter)=(@ARGV);
my $lang = &Apache::lonlocal::choose_language();
&Apache::lonlocal::get_language_handle(undef,$lang);
print"\n";
# Abort if more than one argument.
if (@ARGV > 1) {
print &mt('usage: [_1]','move_construction_spaces.pl [move|undo]')."\n\n".
&mt('You should enter either no arguments, or just one argument -- either move or undo.')."\n".
&mt("move - to move authors' Construction Spaces from: /home to /home/httpd/html/priv/domain")."\n".
&mt('undo - to reverse those changes and move Construction Spaces back from: /home/httpd/html/priv/domain to /home')."\n".
&mt('no argument to do a dry run of the move option, without actually moving anything.')."\n";
exit;
}
print "\nMoving authors' Construction Spaces\n".
"-----------------------------\n\n".
"If run without an argument, the script will report what it would do\n".
"when moving Construction Spaces from /home to /home/httpd/html/priv/.\n\n".
"If there are ambiguities (i.e., the same username belongs to two domains)\n".
"this will be flagged, and you will be able to decide how to proceed.\n";
my $perlvar=&LONCAPA::Configuration::read_conf();
my ($lonuserdir,$londocroot);
if (ref($perlvar) eq 'HASH') {
$lonuserdir = $perlvar->{'lonUsersDir'};
$londocroot = $perlvar->{'lonDocRoot'};
}
undef($perlvar);
my $parameter=$ARGV[0];
$parameter =~ s/^\s+//;
$parameter =~ s/\s+$//;
my (undef,undef,$uid,$gid) = getpwnam('www');
my ($action) = ($parameter=~/^(move|undo)$/);
if ($action eq '') {
$action = 'dryrun';
}
if ($action eq 'dryrun') {
print "\nRunning in exploratory mode.\n".
"Run with parameter 'move' to actually move the author spaces, i.e. \n".
"move_construction_spaces.pl move\n\n".
"Run with parameter 'undo' to move author spaces back to /home, i.e. \n".
"move_construction_spaces.pl undo\n\n";
} else {
print "\n *** Running in a mode where changes will be made.\n";
if ($action eq 'move') {
print "\nMode is $action -- directories will be moved to $londocroot/priv\n";
} else {
print "\nMode is $action -- directories will be moved back to /home\n";
}
print &mt('Continue? ~[y/N~] ');
if (!&get_user_selection()) {
exit;
}
}
# Authors hosted on this server
my %allauthors;
my %pubusers;
if ($action eq 'move') {
if (-d "$londocroot/priv") {
print "New Construction Spaces directory: '$londocroot/priv' already exists.\n";
} else {
print "\nCreating new directory: '$londocroot/priv' for Construction Spaces.\n";
if (mkdir("$londocroot/priv",0755)) {
if (chown($uid,$gid,"$londocroot/priv")) {
print "Creation Successful\n";
} else {
print "Failed to changer ownership to $uid:$gid\n";
exit;
}
} else {
print "Failed to create directory\n";
exit;
}
}
}
my @machinedoms;
if ($lonuserdir) {
my $dir;
if (opendir($dir,$lonuserdir)) {
my @contents = (grep(!/^\.{1,2}$/,readdir($dir)));
foreach my $item (@contents) {
if (-d "$lonuserdir/$item") {
if ($item =~ /^$match_domain$/) {
my $domain = $item;
unless (grep(/^\Q$domain\E$/, at machinedoms)) {
push(@machinedoms,$domain);
}
my $dom_target="/home/httpd/html/priv/$domain";
if ($action eq 'move') {
if (!-e $dom_target) {
if (mkdir($dom_target,0755)) {
chown($uid,$gid,$dom_target);
print "Made $dom_target\n";
} else {
print "Failed to make $dom_target. Stopping\n";
exit;
}
} elsif ($action eq 'dryrun') {
print "Would make $dom_target\n";
}
}
my %authors=();
my $fname = "$lonuserdir/$domain/nohist_domainroles.db";
my $dbref;
if (-e $fname) {
$dbref=&LONCAPA::locking_hash_tie($fname,&GDBM_READER());
}
if (!$dbref) {
print "Unable to tie to $fname";
} elsif (ref($dbref) eq 'HASH') {
foreach my $key (keys(%{$dbref})) {
$key = &unescape($key);
if ($key =~ /^au\:($match_username)\Q:$domain\E/) {
push(@{$allauthors{$1}},$domain);
}
}
&LONCAPA::locking_hash_untie($dbref);
}
}
}
}
closedir($dir);
} else {
print "Could not open $lonuserdir. Stopping\n";
exit;
}
}
if ($londocroot ne '') {
if (-d "$londocroot/res") {
my ($dir,$domdir);
if (opendir($dir,"$londocroot/res")) {
my @contents = (grep(!/^\.{1,2}$/,readdir($dir)));
foreach my $dom (@contents) {
if ((grep(/^\Q$dom\E/, at machinedoms)) && (-d "$londocroot/res/$dom")) {
if (opendir($domdir,"$londocroot/res/$dom")) {
my @unames = (grep(!/^\.{1,2}$/,readdir($domdir)));
foreach my $uname (@unames) {
if ($uname =~ /^$match_username$/) {
push(@{$pubusers{$uname}},$dom);
}
}
}
}
}
}
}
}
if ($action eq 'undo') {
my %privspaces;
if ($londocroot ne '') {
if (-d "$londocroot/priv") {
my ($dir,$domdir);
if (opendir($dir,"$londocroot/priv")) {
my @contents = (grep(!/^\.{1,2}/,readdir($dir)));
foreach my $dom (@contents) {
next if (!-d "$londocroot/priv/$dom");
if (opendir($domdir,"$londocroot/priv/$dom")) {
my @unames = (grep(!/^\.{1,2}$/,readdir($domdir)));
foreach my $uname (@unames) {
if ($uname =~ /^$match_username$/) {
push(@{$privspaces{$uname}},$dom);
}
}
}
}
}
}
}
foreach my $uname (keys(%privspaces)) {
if (ref($privspaces{$uname}) eq 'ARRAY') {
if (@{$privspaces{$uname}} > 1) {
print "Same username used for authors in multiple domains\n".
"This configuration is not supported where Construction Spaces are located in /home.\n".
"You will be able to move files for just one of the domains, choose which one: \n".
"The domains to choose from are: ".join(', ',@{$privspaces{$uname}})."\n".
"Enter choice: ";
my $choice=<STDIN>;
chomp($choice);
if (grep(/^\Q$choice\E$/,@{$privspaces{$uname}})) {
&move_priv_to_home($londocroot,$uname,$choice);
} else {
print "Invalid choice of domain: $choice\n".
"Skipping this user: $uname\n";
next;
}
} elsif (@{$privspaces{$uname}} == 1) {
&move_priv_to_home($londocroot,$uname,$privspaces{$uname}[0]);
} else {
print "User $uname found in $londocroot/priv was not within a domain\n";
}
}
}
print "Done\n";
exit;
}
# Iterate over directories in /home
if (opendir(my $dir,"/home")) {
foreach my $item (grep(!/^\.{1,2}$/,readdir($dir))) {
next if ($item eq 'www');
if (-d "/home/$item") {
# Is there a public_html-directory?
if (-d "/home/$item/public_html") {
my $author = $item;
my ($domain,$skipped);
if (ref($pubusers{$author}) eq 'ARRAY') {
($domain,$skipped) = &choose_domain($action,$author,$pubusers{$author});
}
if (($domain eq '') && (!$skipped)) {
if (ref($allauthors{$author}) eq 'ARRAY') {
($domain,$skipped) = &choose_domain($action,$author,$allauthors{$author});
}
}
if ($domain) {
my $source_path="/home/$author/public_html";
my $target_path="$londocroot/priv/$domain/$author";
if ($action eq 'move') {
move($source_path,$target_path);
chown($uid,$gid,$target_path);
chmod($target_path,0755);
print "Moved $source_path to $target_path\n";
} elsif ($action eq 'dryrun') {
print "Would move $source_path to $target_path\n";
}
} elsif (!$skipped) {
print "*** WARNING: $author has no domain.\n".
"Enter 1: do nothing, continue\n".
"Enter 2: stop\n".
"or enter domain for user to be placed into\n".
"Your input: ";
my $choice=<STDIN>;
chomp($choice);
next if ($choice ==1);
if ($choice == 2) { print "Stopped.\n"; exit; }
if ($choice =~ /^$match_domain$/) {
my $dompath="$londocroot/priv/$choice";
my $newpath="$londocroot/priv/$choice/$author";
unless (-e $dompath) {
print "*** WARNING: $dompath does not yet exist.\n";
}
if ($action eq 'move') {
print "Making author $author in domain $choice\n";
unless (-e $dompath) {
print "Making $dompath\n";
mkdir($dompath,0755);
chown($uid,$gid,$dompath);
}
print "Making $newpath\n";
mkdir($newpath,0755);
chown($uid,$gid,$newpath);
} elsif ($action eq 'dryrun') {
print "Would make author $author in domain $choice\n";
unless (-e $dompath) {
print "Would make $dompath\n";
}
print "Would make $newpath\n";
}
}
}
}
}
}
}
print "\nDone.\n";
sub choose_domain {
my ($action,$author,$domarrayref) = @_;
my ($domain,$skipped);
if (ref($domarrayref) eq 'ARRAY') {
if (@{$domarrayref} > 1) {
print "*** ERROR: $author found in multiple domains\n".
"Enter a number to choose what action to take\n";
my $num = 1;
for (my $i=0; $i<@{$domarrayref}; $i++) {
print "To use: $domarrayref->[$i] enter $num\n";
$num ++;
}
print "To skip this user enter: $num\n".
"Your choice: ";
my $choice=<STDIN>;
chomp($choice);
if ($choice =~ /^\d+$/) {
if (($choice == $num) || ($choice > $num)) {
$skipped = 1;
} elsif (($choice < $num) && ($choice > 0)) {
$domain = $domarrayref->[$choice-1];
} else {
print "Invalid choice\n";
$skipped = 1;
}
} else {
print "Invalid choice\n";
$skipped = 1;
}
} elsif (@{$domarrayref} == 1) {
$domain = $domarrayref->[0];
if ($action eq 'dryrun') {
print "Would use domain: $domain for author: $author\n";
}
}
}
return ($domain,$skipped);
}
sub move_priv_to_home {
my ($londocroot,$uname,$domain) = @_;
if ($uname =~ /^$match_username$/ && $domain =~ /^$match_domain$/) {
my $source_path="$londocroot/priv/$domain/$uname";
my $target_path="/home/$uname/public_html";
if (!-e "/home/$uname") {
if (mkdir("/home/$uname",0755)) {
chown($uid,$gid,"/home/$uname");
} else {
print "Failed to create directory /home/$uname -- not moving $source_path\n";
}
}
if (!-e $target_path) {
move($source_path,$target_path);
chown($uid,$gid,$target_path);
chmod($target_path,0755);
print "Moved $source_path to $target_path\n";
} else {
print "Directory $target_path already exists -- not moving $source_path\n";
}
}
return;
}
sub get_user_selection {
my ($defaultrun) = @_;
my $do_action = 0;
my $choice = <STDIN>;
chomp($choice);
$choice =~ s/(^\s+|\s+$)//g;
my $yes = &mt('y');
if ($defaultrun) {
if (($choice eq '') || ($choice =~ /^\Q$yes\E/i)) {
$do_action = 1;
}
} else {
if ($choice =~ /^\Q$yes\E/i) {
$do_action = 1;
}
}
return $do_action;
}
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