--- loncom/loncron 2007/06/12 23:50:39 1.75
+++ loncom/loncron 2013/05/29 18:10:54 1.99
@@ -2,7 +2,7 @@
# Housekeeping program, started by cron, loncontrol and loncron.pl
#
-# $Id: loncron,v 1.75 2007/06/12 23:50:39 albertel Exp $
+# $Id: loncron,v 1.99 2013/05/29 18:10:54 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -32,7 +32,10 @@ use strict;
use lib '/home/httpd/lib/perl/';
use LONCAPA::Configuration;
+use LONCAPA::Checksumming;
+use LONCAPA;
use Apache::lonnet;
+use Apache::loncommon;
use IO::File;
use IO::Socket;
@@ -268,12 +271,7 @@ sub log_machine_info {
&log($fh,"<h3>distprobe</h3>");
&log($fh,"<pre>");
- open(DSH,"$perlvar{'lonDaemons'}/distprobe |");
- while (my $line=<DSH>) {
- &log($fh,&encode_entities($line,'<>&"'));
- $psproc++;
- }
- close(DSH);
+ &log($fh,&encode_entities(&LONCAPA::distro(),'<>&"'));
&log($fh,"</pre>");
&errout($fh);
@@ -304,7 +302,6 @@ sub start_logging {
<li><a href="#lonsql">lonsql</a></li>
<li><a href="#lond">lond</a></li>
<li><a href="#lonc">lonc</a></li>
-<li><a href="#lonhttpd">lonhttpd</a></li>
<li><a href="#lonnet">lonnet</a></li>
<li><a href="#connections">Connections</a></li>
<li><a href="#delayed">Delayed Messages</a></li>
@@ -347,33 +344,127 @@ ENDHEADERS
sub clean_tmp {
my ($fh)=@_;
&log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
- my $cleaned=0;
- my $old=0;
- while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
- my ($dev,$ino,$mode,$nlink,
- $uid,$gid,$rdev,$size,
- $atime,$mtime,$ctime,
- $blksize,$blocks)=stat($fname);
- my $now=time;
- my $since=$now-$mtime;
- if ($since>$perlvar{'lonExpire'}) {
- my $line='';
- if (open(PROBE,$fname)) {
- $line=<PROBE>;
- close(PROBE);
- }
- unless ($line=~/^CHECKOUTTOKEN\&/) {
- $cleaned++;
- unlink("$fname");
- } else {
- if ($since>365*$perlvar{'lonExpire'}) {
- $cleaned++;
- unlink("$fname");
- } else { $old++; }
- }
- }
+ my ($cleaned,$old,$removed) = (0,0,0);
+ my %errors = (
+ dir => [],
+ file => [],
+ failopen => [],
+ );
+ my %error_titles = (
+ dir => 'failed to remove empty directory:',
+ file => 'failed to unlike stale file',
+ failopen => 'failed to open file or directory'
+ );
+ ($cleaned,$old,$removed) = &recursive_clean_tmp('',$cleaned,$old,$removed,\%errors);
+ &log($fh,"Cleaned up: ".$cleaned." files; removed: $removed empty directories; (found: $old old checkout tokens)");
+ foreach my $key (sort(keys(%errors))) {
+ if (ref($errors{$key}) eq 'ARRAY') {
+ if (@{$errors{$key}} > 0) {
+ &log($fh,"Error during cleanup ($error_titles{$key}):<ul><li>".
+ join('</li><li><tt>',@{$errors{$key}}).'</tt></li></ul><br />');
+ }
+ }
+ }
+}
+
+sub recursive_clean_tmp {
+ my ($subdir,$cleaned,$old,$removed,$errors) = @_;
+ my $base = "$perlvar{'lonDaemons'}/tmp";
+ my $path = $base;
+ next if ($subdir =~ m{\.\./});
+ next unless (ref($errors) eq 'HASH');
+ unless ($subdir eq '') {
+ $path .= '/'.$subdir;
+ }
+ if (opendir(my $dh,"$path")) {
+ while (my $file = readdir($dh)) {
+ next if ($file =~ /^\.\.?$/);
+ my $fname = "$path/$file";
+ if (-d $fname) {
+ my $innerdir;
+ if ($subdir eq '') {
+ $innerdir = $file;
+ } else {
+ $innerdir = $subdir.'/'.$file;
+ }
+ ($cleaned,$old,$removed) =
+ &recursive_clean_tmp($innerdir,$cleaned,$old,$removed,$errors);
+ my @doms = &Apache::lonnet::current_machine_domains();
+
+ if (open(my $dirhandle,$fname)) {
+ unless (($innerdir eq 'helprequests') ||
+ (($innerdir =~ /^addcourse/) && ($innerdir !~ m{/\d+$}))) {
+ my @contents = grep {!/^\.\.?$/} readdir($dirhandle);
+ join('&&',@contents)."\n";
+ if (scalar(grep {!/^\.\.?$/} readdir($dirhandle)) == 0) {
+ closedir($dirhandle);
+ if ($fname =~ m{^\Q$perlvar{'lonDaemons'}\E/tmp/}) {
+ if (rmdir($fname)) {
+ $removed ++;
+ } elsif (ref($errors->{dir}) eq 'ARRAY') {
+ push(@{$errors->{dir}},$fname);
+ }
+ }
+ }
+ } else {
+ closedir($dirhandle);
+ }
+ }
+ } else {
+ my ($dev,$ino,$mode,$nlink,
+ $uid,$gid,$rdev,$size,
+ $atime,$mtime,$ctime,
+ $blksize,$blocks)=stat($fname);
+ my $now=time;
+ my $since=$now-$mtime;
+ if ($since>$perlvar{'lonExpire'}) {
+ if ($subdir eq '') {
+ my $line='';
+ if ($fname =~ /\.db$/) {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ } elsif (open(PROBE,$fname)) {
+ my $line='';
+ $line=<PROBE>;
+ close(PROBE);
+ if ($line=~/^CHECKOUTTOKEN\&/) {
+ if ($since>365*$perlvar{'lonExpire'}) {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ } else {
+ $old++;
+ }
+ } else {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ }
+ } elsif (ref($errors->{failopen}) eq 'ARRAY') {
+ push(@{$errors->{failopen}},$fname);
+ }
+ } else {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ }
+ }
+ }
+ }
+ closedir($dh);
+ } elsif (ref($errors->{failopen}) eq 'ARRAY') {
+ push(@{$errors->{failopen}},$path);
}
- &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
+ return ($cleaned,$old,$removed);
}
# ------------------------------------------------------------ clean out lonIDs
@@ -408,7 +499,7 @@ sub clean_sockets {
opendir(SOCKETS,$perlvar{'lonSockDir'});
while (my $fname=readdir(SOCKETS)) {
next if (-d $fname
- || $fname=~/(mysqlsock|maximasock|\Q$perlvar{'lonSockDir'}\E)/);
+ || $fname=~/(mysqlsock|maximasock|rsock|\Q$perlvar{'lonSockDir'}\E)/);
$cleaned++;
&log($fh,"Unlinking $fname<br />");
unlink("/home/httpd/sockets/$fname");
@@ -420,21 +511,13 @@ sub clean_sockets {
# ----------------------------------------------------------------------- httpd
sub check_httpd_logs {
my ($fh)=@_;
- &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
-
- open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
- while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
- close (DFH);
-
- &log($fh,"</pre><h3>Error Log</h3><pre>");
-
- open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
- while (my $line=<DFH>) {
- &log($fh,"$line");
- if ($line=~/\[error\]/) { $notices++; }
+ if (open(PIPE,"./lchttpdlogs|")) {
+ while (my $line=<PIPE>) {
+ &log($fh,$line);
+ if ($line=~/\[error\]/) { $notices++; }
+ }
+ close(PIPE);
}
- close (DFH);
- &log($fh,"</pre>");
&errout($fh);
}
@@ -470,12 +553,17 @@ sub rotate_lonnet_logs {
sub rotate_other_logs {
my ($fh) = @_;
- my $fname="$perlvar{'lonDaemons'}/logs/autoenroll.log";
- &rotate_logfile($fname,$fh,'Auto Enroll log');
- $fname="$perlvar{'lonDaemons'}/logs/autocreate.log";
- &rotate_logfile($fname,$fh,'Create Course log');
- $fname="$perlvar{'lonDaemons'}/logs/searchcat.log";
- &rotate_logfile($fname,$fh,'Search Cataloguing log');
+ my %logs = (
+ autoenroll => 'Auto Enroll log',
+ autocreate => 'Create Course log',
+ searchcat => 'Search Cataloguing log',
+ autoupdate => 'Auto Update log',
+ refreshcourseids_db => 'Refresh CourseIDs db log',
+ );
+ foreach my $item (keys(%logs)) {
+ my $fname=$perlvar{'lonDaemons'}.'/logs/'.$item.'.log';
+ &rotate_logfile($fname,$fh,$logs{$item});
+ }
}
# ----------------------------------------------------------------- Connections
@@ -535,7 +623,9 @@ sub check_delayed_msg {
}
&log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
- $warnings=$warnings+5*$unsend;
+ if ($unsend > 0) {
+ $warnings=$warnings+5*$unsend;
+ }
if ($unsend) { $simplestatus{'unsend'}=$unsend; }
&log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
@@ -549,11 +639,28 @@ sub check_delayed_msg {
}
&log($fh,"</pre>\n");
close (DFH);
+ my %hostname = &Apache::lonnet::all_hostnames();
+ my $numhosts = scalar(keys(%hostname));
# pong to all servers that have delayed messages
# this will trigger a reverse connection, which should flush the buffers
- foreach my $tryserver (keys %servers) {
- my $answer=&Apache::lonnet::reply("pong",$tryserver);
- &log($fh,"Pong to $tryserver: $answer<br />");
+ foreach my $tryserver (sort(keys(%servers))) {
+ if ($hostname{$tryserver} || !$numhosts) {
+ my $answer;
+ eval {
+ local $SIG{ ALRM } = sub { die "TIMEOUT" };
+ alarm(20);
+ $answer = &Apache::lonnet::reply("pong",$tryserver);
+ alarm(0);
+ };
+ if ($@ && $@ =~ m/TIMEOUT/) {
+ &log($fh,"Attempted pong to $tryserver timed out<br />");
+ print "time out while contacting: $tryserver for pong\n";
+ } else {
+ &log($fh,"Pong to $tryserver: $answer<br />");
+ }
+ } else {
+ &log($fh,"$tryserver has delayed messages, but is not part of the cluster -- skipping 'Pong'.<br />");
+ }
}
}
@@ -586,9 +693,100 @@ sub log_simplestatus {
$sfh->close();
}
+sub write_loncaparevs {
+ print "Retrieving LON-CAPA version information\n";
+ my %hostname = &Apache::lonnet::all_hostnames();
+ my $output;
+ foreach my $id (sort(keys(%hostname))) {
+ if ($id ne '') {
+ my $loncaparev;
+ eval {
+ local $SIG{ ALRM } = sub { die "TIMEOUT" };
+ alarm(10);
+ $loncaparev =
+ &Apache::lonnet::get_server_loncaparev('',$id,1,'loncron');
+ alarm(0);
+ };
+ if ($@ && $@ =~ m/TIMEOUT/) {
+ print "time out while contacting lonHost: $id for version\n";
+ }
+ if ($loncaparev =~ /^[\w.\-]+$/) {
+ $output .= $id.':'.$loncaparev."\n";
+ }
+ }
+ }
+ if ($output) {
+ if (open(my $fh,">$perlvar{'lonTabDir'}/loncaparevs.tab")) {
+ print $fh $output;
+ close($fh);
+ &Apache::lonnet::load_loncaparevs();
+ }
+ }
+ return;
+}
+
+sub write_serverhomeIDs {
+ print "Retrieving LON-CAPA lonHostID information\n";
+ my %name_to_host = &Apache::lonnet::all_names();
+ my $output;
+ foreach my $name (sort(keys(%name_to_host))) {
+ if ($name ne '') {
+ if (ref($name_to_host{$name}) eq 'ARRAY') {
+ my $serverhomeID;
+ eval {
+ local $SIG{ ALRM } = sub { die "TIMEOUT" };
+ alarm(10);
+ $serverhomeID =
+ &Apache::lonnet::get_server_homeID($name,1,'loncron');
+ alarm(0);
+ };
+ if ($@ && $@ =~ m/TIMEOUT/) {
+ print "Time out while contacting server: $name\n";
+ }
+ if ($serverhomeID ne '') {
+ $output .= $name.':'.$serverhomeID."\n";
+ } else {
+ $output .= $name.':'.$name_to_host{$name}->[0]."\n";
+ }
+ }
+ }
+ }
+ if ($output) {
+ if (open(my $fh,">$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
+ print $fh $output;
+ close($fh);
+ &Apache::lonnet::load_serverhomeIDs();
+ }
+ }
+ return;
+}
+
+sub write_checksums {
+ my $distro = &LONCAPA::distro();
+ if ($distro) {
+ print "Retrieving file version and checksumming.\n";
+ my $numchksums = 0;
+ my ($chksumsref,$versionsref) =
+ &LONCAPA::Checksumming::get_checksums($distro,$perlvar{'lonDaemons'},
+ $perlvar{'lonLib'},
+ $perlvar{'lonIncludes'},
+ $perlvar{'lonTabDir'});
+ if (ref($chksumsref) eq 'HASH') {
+ $numchksums = scalar(keys(%{$chksumsref}));
+ }
+ print "File version retrieved and checksumming completed for $numchksums files.\n";
+ } else {
+ print "File version retrieval and checksumming skipped - could not determine Linux distro.\n";
+ }
+ return;
+}
+
sub send_mail {
print "sending mail\n";
- my $emailto="$perlvar{'lonAdmEMail'}";
+ my $defdom = $perlvar{'lonDefDomain'};
+ my $origmail = $perlvar{'lonAdmEMail'};
+ my $emailto = &Apache::loncommon::build_recipient_list(undef,
+ 'lonstatusmail',$defdom,$origmail);
if ($totalcount>2500) {
$emailto.=",$perlvar{'lonSysEMail'}";
}
@@ -671,6 +869,27 @@ sub main () {
&Apache::lonnet::load_domain_tab(1);
&Apache::lonnet::get_iphost(1);
+# ----------------------------------------- Force firewall update for lond port
+
+ if ((!$justcheckdaemons) && (!$justreload)) {
+ my $now = time;
+ my $tmpfile = $perlvar{'lonDaemons'}.'/tmp/lciptables_iphost_'.
+ $now.$$.int(rand(10000));
+ if (open(my $fh,">$tmpfile")) {
+ my %iphosts = &Apache::lonnet::get_iphost();
+ foreach my $key (keys(%iphosts)) {
+ print $fh "$key\n";
+ }
+ close($fh);
+ if (&LONCAPA::try_to_lock('/tmp/lock_lciptables')) {
+ my $execpath = $perlvar{'lonDaemons'}.'/lciptables';
+ system("$execpath $tmpfile");
+ unlink('/tmp/lock_lciptables'); # Remove the lock file.
+ }
+ unlink($tmpfile);
+ }
+ }
+
# ---------------------------------------------------------------- Start report
$errors=0;
@@ -690,14 +909,14 @@ sub main () {
&rotate_other_logs($fh);
}
if (!$justcheckconnections && !$justreload) {
+ &checkon_daemon($fh,'lonmemcached',40000);
&checkon_daemon($fh,'lonsql',200000);
if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {
&checkon_daemon($fh,'lond',40000,'USR2');
}
&checkon_daemon($fh,'lonc',40000,'USR1');
- &checkon_daemon($fh,'lonhttpd',40000);
- &checkon_daemon($fh,'lonmemcached',40000);
&checkon_daemon($fh,'lonmaxima',40000);
+ &checkon_daemon($fh,'lonr',40000);
}
if ($justreload) {
&checkon_daemon($fh,'lond',40000,'USR2');
@@ -710,7 +929,9 @@ sub main () {
&check_delayed_msg($fh);
&finish_logging($fh);
&log_simplestatus();
-
+ &write_loncaparevs();
+ &write_serverhomeIDs();
+ &write_checksums();
if ($totalcount>200 && !$noemail) { &send_mail(); }
}
}
@@ -718,10 +939,3 @@ sub main () {
&main();
1;
-
-
-
-
-
-
-