PAL.C.T MINI SHELL
#!/usr/bin/perl
# Work out the bandwidth usage for all virtual servers.
# For those that are over their limit, send a warning.
package virtual_server;
$main::no_acl_check++;
require './virtual-server-lib.pl';
# Are we already running? If so, die
if (&test_lock($bandwidth_dir)) {
exit(0);
}
&lock_file($bandwidth_dir);
# Work out the start of the monitoring period
$now = time();
$day = int($now / (24*60*60));
$start_day = &bandwidth_period_start();
if ($ARGV[0]) {
$onedom = &get_domain_by("dom", $ARGV[0]);
$onedom || die "Server $ARGV[0] not found";
@doms = ( $onedom, &get_domain_by("parent", $onedom->{'id'}) );
}
else {
@doms = &list_domains();
}
@bwdoms = grep { &can_monitor_bandwidth($_) } @doms;
# Get bandwidth info map for all domains
foreach $d (@bwdoms) {
$bwinfo = &get_bandwidth($d);
$bwinfomap{$d->{'id'}} = $bwinfo;
}
# For each feature that has a function for doing bandwidth for all domains
# at once, call it
foreach $f (@bandwidth_features) {
local $bwfunc = "bandwidth_all_$f";
if (defined(&$bwfunc)) {
local %starts = map { $_, $bwinfomap{$_}->{"last_$f"} }
(keys %bwinfomap);
local $newstarts = &$bwfunc(\@bwdoms, \%starts, \%bwinfomap);
foreach my $did (keys %$newstarts) {
$bwinfomap{$did}->{"last_$f"} = $newstarts->{$did};
}
}
}
# For each server, scan it's log files for all usage since the last check, and
# update the count for each day.
$maxdays = $config{'bw_maxdays'} || 366;
foreach $d (@bwdoms) {
# Add bandwidth for all features
$bwinfo = $bwinfomap{$d->{'id'}};
foreach $f (@bandwidth_features) {
local $bwfunc = "bandwidth_$f";
if (defined(&$bwfunc)) {
$bwinfo->{"last_$f"} =
&$bwfunc($d, $bwinfo->{"last_$f"}, $bwinfo);
}
}
# Add bandwidth for all plugins
foreach $f (&list_feature_plugins()) {
if (&plugin_defined($f, "feature_bandwidth")) {
$bwinfo->{"last_$f"} =
&plugin_call($f, "feature_bandwidth", $d,
$bwinfo->{"last_$f"}, $bwinfo);
}
}
# Prune days more than 1 year old
foreach $k (keys %$bwinfo) {
if ($k =~ /^(\S+)_(\d+)$/ && $2 < $day - $maxdays) {
delete($bwinfo->{$k});
}
}
&save_bandwidth($d, $bwinfo);
}
# For each server, sum up usage over the monitoring period to find those
# that are over their limit
foreach $d (@doms) {
$d = &get_domain($d->{'id'}, undef, 1); # Force re-read from disk
next if (!$d); # Deleted
next if ($d->{'parent'});
# Find domain and sub-domains
@alld = ($d, &get_domain_by("parent", $d->{'id'}));
# Sum up usage for domain and sub-domains
$usage = 0;
%usage = ( );
foreach $dd (@alld) {
$bwinfo = &get_bandwidth($dd);
local $usage_only = 0;
local %usage_only = ( );
foreach $k (keys %$bwinfo) {
if ($k =~ /^(\S+)_(\d+)$/ && $2 >= $start_day) {
$usage += $bwinfo->{$k};
$usage_only += $bwinfo->{$k};
$usage{$1} += $bwinfo->{$k};
$usage_only{$1} += $bwinfo->{$k};
}
}
$dd->{'bw_usage_only'} = $usage_only;
$dd->{'bw_start'} = $start_day;
foreach $f (@bandwidth_features) {
delete($dd->{"bw_usage_only_$f"});
}
foreach $k (keys %usage_only) {
$dd->{'bw_usage_only_'.$k} = $usage_only{$k};
}
if ($d ne $dd) {
&save_domain($dd);
}
}
$d->{'bw_usage'} = $usage;
foreach $f (@bandwidth_features) {
delete($d->{"bw_usage_$f"});
}
foreach $k (keys %usage) {
$d->{'bw_usage_'.$k} = $usage{$k};
}
local $from = &get_global_from_address($d);
if ($d->{'bw_limit'} && $usage > $d->{'bw_limit'}) {
# Over the limit! But check limit on how often to notify
$etime = $now - $d->{'bw_notify'} > $config{'bw_notify'}*60*60;
if ($etime) {
# Time to email ..
$tmpl = $config{'bw_template'} eq 'default' ?
"$module_config_directory/bw-template" :
$config{'bw_template'};
%tkeys = &make_domain_substitions($d, 1);
$tkeys{'bw_percent'} = int(100*$usage/$d->{'bw_limit'});
foreach $k (keys %usage) {
$tkeys{'bw_usage_'.$k} =
&nice_size($tkeys{'bw_usage_'}.$k);
}
local @addrs;
push(@addrs, $d->{'email'} ||
$d->{'user'}.'@'.&get_system_hostname() )
if ($config{'bw_owner'});
push(@addrs, split(/\s+,\s+/, $config{'bw_email'}));
@erv = &send_template_email(
&cat_file($tmpl),
join(", ", @addrs),
\%tkeys,
&text('newbw_subject', $d->{'dom'}),
undef, undef, undef, $from);
if ($erv[0]) {
$d->{'bw_notify'} = $now;
}
else {
print STDERR "Failed to send email : $erv[1]\n";
}
}
if (!$d->{'disabled'} && $etime && $config{'bw_disable'} &&
!$d->{'bw_no_disable'}) {
# Time to disable this domain and all sub-servers
&set_all_null_print();
foreach my $dd (@alld) {
&disable_virtual_server($dd, 'bw',
'Exceeded bandwidth limit');
}
&run_post_actions();
}
&webmin_log("disable", "domain", $d->{'dom'}, $d);
}
elsif ($d->{'bw_limit'} && $config{'bw_warn'} &&
$usage > $d->{'bw_limit'}*$config{'bw_warn'}/100) {
# Reached the warning limit! But check limit on how often warn
if ($now - $d->{'bw_warnnotify'} > $config{'bw_notify'}*60*60) {
# Time to email ..
$tmpl = $config{'warnbw_template'} eq 'default' ?
"$module_config_directory/warnbw-template" :
$config{'warnbw_template'};
%tkeys = &make_domain_substitions($d, 1);
$tkeys{'bw_percent'} = int(100*$usage/$d->{'bw_limit'});
foreach $k (keys %usage) {
$tkeys{'bw_usage_'.$k} =
&nice_size($tkeys{'bw_usage_'.$k});
}
$tkeys{'bw_warn'} = $config{'bw_warn'};
local @addrs;
push(@addrs, $d->{'email'} ||
$d->{'user'}.'@'.&get_system_hostname() )
if ($config{'bw_owner'});
push(@addrs, split(/\s+,\s+/, $config{'bw_email'}));
@erv = &send_template_email(
&cat_file($tmpl),
join(", ", @addrs),
\%tkeys,
&text('newbw_warnsubject', $d->{'dom'}),
undef, undef, undef, $from);
if ($erv[0]) {
$d->{'bw_warnnotify'} = $now;
}
else {
print STDERR "Failed to send email : $erv[1]\n";
}
}
}
if ($config{'bw_enable'} &&
($usage < $d->{'bw_limit'} || !$d->{'bw_limit'}) &&
$d->{'disabled'} && $d->{'disabled_reason'} eq 'bw') {
# Falled below the disable limit .. re-enable
&set_all_null_print();
foreach my $dd (@alld) {
@enable = &get_enable_features($dd);
%enable = map { $_, 1 } @enable;
delete($dd->{'disabled_reason'});
delete($dd->{'disabled_why'});
delete($dd->{'disabled_time'});
# Run the before command
&set_domain_envs($dd, "ENABLE_DOMAIN");
$merr = &making_changes();
&reset_domain_envs($dd);
next if ($merr);
# Enable all disabled features
foreach my $f (@features) {
if ($dd->{$f} && $enable{$f}) {
local $efunc = "enable_$f";
&try_function($f, $efunc, $dd);
}
}
foreach my $f (&list_feature_plugins()) {
if ($dd->{$f} && $enable{$f}) {
&plugin_call($f, "feature_enable", $dd);
}
}
# Disable extra admins
&update_extra_webmin($dd, 0);
# Save new domain details
delete($dd->{'disabled'});
&save_domain($dd);
# Run the after command
&set_domain_envs($dd, "ENABLE_DOMAIN");
&made_changes();
&reset_domain_envs($dd);
}
&run_post_actions();
&webmin_log("enable", "domain", $d->{'dom'}, $d);
}
&save_domain($d);
}
# Release running lock
&unlock_file($bandwidth_dir);
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