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|
#!/usr/bin/perl
use lib "/opt/vyatta/share/perl5/";
use VyattaConfig;
use VyattaQosPolicy;
use strict;
use Getopt::Long;
my $qosNode = 'qos-policy';
my $debug = $ENV{'QOS_DEBUG'};
my @updateInterface = ();
my @deleteInterface = ();
my @updatePolicy = ();
my $deletePolicy = undef;
my $listName = undef;
my @validateName = ();
GetOptions(
"list-policy" => \$listName,
"validate-name=s{2}" => \@validateName,
"update-interface=s{3}" => \@updateInterface,
"delete-interface=s{2}" => \@deleteInterface,
"update-policy=s{2}" => \@updatePolicy,
"delete-policy=s" => \$deletePolicy,
);
## list defined qos policy names
sub list_inuse {
my $config = new VyattaConfig;
my @nodes = ();
foreach my $policy ($config->listNodes($qosNode) ) {
foreach my $name ($config->listNodes("$qosNode $policy") ) {
push @nodes, $name;
}
}
print join( ' ', @nodes ), "\n";
}
## check if name is okay
sub validate_name {
my ($policy, $name) = @_;
my $config = new VyattaConfig;
($name =~ '^\w[\w_-]*$') or die "Invalid policy name $name\n";
foreach my $p ($config->listNodes($qosNode) ) {
if ($p ne $policy) {
foreach my $n ($config->listNodes("$qosNode $policy") ) {
if ($n eq $name) {
die "Name $name is already in use by $p\n";
}
}
}
}
}
## delete_interface('eth0', 'out')
# remove all filters and qdisc's
sub delete_interface {
my ($interface, $direction ) = @_;
if ($direction eq "out" ) {
# delete old qdisc - will give error if no policy in place
qx(sudo tc qdisc del dev "$interface" root 2>/dev/null);
}
}
## update_interface('eth0', 'out', 'my-shaper')
# update policy to interface
sub update_interface {
my ($interface, $direction, $name ) = @_;
my $config = new VyattaConfig;
( $direction eq "out" ) or die "Only out direction supported";
foreach my $policy ( $config->listNodes($qosNode) ) {
if ( $config->exists("$qosNode $policy $name") ) {
$config->setLevel("$qosNode $policy $name");
my $policy = VyattaQosPolicy->config( $config, $policy );
defined $policy or die "undefined policy";
# When doing debugging just echo the commands
my $out;
if (defined $debug) {
open $out, '>-'
or die "can't open stdout: $!";
} else {
open $out, "|-" or exec qw/sudo tc -batch -/
or die "Tc setup failed: $!\n";
}
$policy->commands($out, $interface);
if (! close $out && ! defined $debug) {
delete_interface($interface, $direction);
# replay commands to stdout
open $out, '>-';
$policy->commands($out, $interface);
close $out;
die "Conversion of configuration to tc command error\n";
}
exit 0;
}
}
die "Unknown $qosNode $name\n";
}
sub delete_policy {
my ( $name ) = @_;
my $config = new VyattaConfig;
$config->setLevel("interfaces ethernet");
foreach my $interface ( $config->listNodes() ) {
foreach my $direction ($config->listNodes("$interface qos-policy")) {
if ($config->returnValue("$interface qos-policy $direction") eq $name) {
# can't delete active policy
die "Qos policy $name still in use on ethernet $interface $direction\n";
}
}
}
}
sub update_policy {
my ($shaper, $name) = @_;
my $config = new VyattaConfig;
$config->setLevel("interfaces ethernet");
foreach my $interface ( $config->listNodes()) {
foreach my $direction ($config->listNodes("$interface qos-policy")) {
if ($config->returnValue("$interface qos-policy $direction") eq $name) {
delete_interface($interface, $direction);
update_interface($interface, $direction, $name);
}
}
}
}
if ( defined $listName ) {
list_inuse();
exit 0;
}
if ( $#validateName == 1) {
validate_name(@validateName);
exit 0;
}
if ( $#deleteInterface == 1 ) {
delete_interface(@deleteInterface);
exit 0;
}
if ( $#updateInterface == 2 ) {
update_interface(@updateInterface);
exit 0;
}
if ( defined $deletePolicy ) {
delete_policy($deletePolicy);
exit 0;
}
if ( $#updatePolicy == 1) {
update_policy(@updatePolicy);
exit 0;
}
print <<EOF;
usage: vyatta-qos.pl --list-policy
vyatta-qos.pl --validate-name policy-name
vyatta-qos.pl --update-interface interface direction policy-name
vyatta-qos.pl --delete-interface interface direction
vyatta-qos.pl --update-policy policy-type policy-name
vyatta-qos.pl --delete-policy policy-type policy-name
EOF
exit 1;
|
