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xcat-core/xCAT-server/lib/xcat/plugins/route.pm
xq2005 970aa52ab3 makeroutes support on debian/ubuntu 
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@16421 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
2013-05-24 09:43:29 +00:00

1284 lines
37 KiB
Perl
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# IBM(c) 2010 EPL license http://www.eclipse.org/legal/epl-v10.html
#-------------------------------------------------------
=head1
xCAT plugin package to handle xdsh
Supported command:
nodenetconn
ipforward (internal command)
=cut
#-------------------------------------------------------
package xCAT_plugin::route;
BEGIN
{
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
}
use lib "$::XCATROOT/lib/perl";
use strict;
use xCAT::Table;
use xCAT::Utils;
use xCAT::TableUtils;
use xCAT::ServiceNodeUtils;
use xCAT::NetworkUtils;
use xCAT::MsgUtils;
use Getopt::Long;
use xCAT::NodeRange;
use Data::Dumper;
use xCAT::NodeRange;
use IO::File;
use File::Copy;
use File::Path;
use Sys::Hostname;
my $xcat_config_start="# xCAT_CONFIG_START";
my $xcat_config_end="# xCAT_CONFIG_END";
1;
#-------------------------------------------------------
=head3 handled_commands
Return list of commands handled by this plugin
=cut
#-------------------------------------------------------
sub handled_commands
{
return {
makeroutes => "route",
ipforward => "route"
};
}
#-------------------------------------------------------
=head3 preprocess_request
Preprocess the command
=cut
#-------------------------------------------------------
sub preprocess_request
{
my $request = shift;
my $callback = shift;
my $sub_req = shift;
my $command = $request->{command}->[0];
my $args = $request->{arg};
#if already preprocessed, go straight to request
if ((defined($request->{_xcatpreprocessed}))
&& ($request->{_xcatpreprocessed}->[0] == 1))
{
return [$request];
}
if ($command eq "ipforward") {
my $nodes=$request->{node};
my @sns=();
if ($nodes) {
@sns=@$nodes;
}
#print "sns=@sns\n";
my @requests=();
foreach (@sns) {
my $reqcopy = {%$request};
$reqcopy->{'node'}=[];
$reqcopy->{'_xcatdest'}=$_;
$reqcopy->{_xcatpreprocessed}->[0] = 1;
push @requests, $reqcopy;
}
return \@requests;
} else {
# parse the options
@ARGV=();
if ($args) {
@ARGV=@{$args};
}
Getopt::Long::Configure("bundling");
Getopt::Long::Configure("no_pass_through");
my $routelist_in;
my $delete=0;
if(!GetOptions(
'h|help' => \$::HELP,
'v|version' => \$::VERSION,
'r|routename=s' => \$routelist_in,
'd|delete' => \$delete,
))
{
&usage($callback);
return 1;
}
# display the usage if -h or --help is specified
if ($::HELP) {
&usage($callback);
return 0;
}
# display the version statement if -v or --verison is specified
if ($::VERSION)
{
my $rsp={};
$rsp->{data}->[0]= xCAT::Utils->Version();
$callback->($rsp);
return 0;
}
#make sure the input routes are in the routes table.
if ($routelist_in) {
my %all_routes=();
my $routestab=xCAT::Table->new("routes", -create =>1);
if ($routestab) {
my @tmp1=$routestab->getAllAttribs(('routename', 'net'));
if (@tmp1 > 0) {
foreach(@tmp1) {
$all_routes{$_->{routename}} = $_;
$_->{process} = 0;
}
}
}
my @badroutes=();
foreach(split(',', $routelist_in)) {
if (!exists($all_routes{$_})) {
push(@badroutes, $_);
}
}
if (@badroutes>0) {
my $rsp={};
my $badroutes_s=join(',', @badroutes);
if (@badroutes==1) {
$rsp->{error}->[0]= "The route $badroutes_s is not defined in the routes table.";
}
else {
$rsp->{error}->[0]= "The routes $badroutes_s are not defined in the routes table.";
}
$callback->($rsp);
return 1;
}
}
if (@ARGV == 0) { #no noderange is specifiled, assume it is on the mn
my $reqcopy = {%$request};
$reqcopy->{_xcatpreprocessed}->[0] = 1;
if ($routelist_in) {
$reqcopy->{routelist}->[0]=$routelist_in;
}
if ($delete) {
$reqcopy->{delete}->[0]=1;
}
return [$reqcopy];
}
else { #noderange is specified,
my $ret=[];
my $nr=$ARGV[0];
my @noderange = xCAT::NodeRange::noderange($nr, 1);
my @missednodes=xCAT::NodeRange::nodesmissed();
if (@missednodes > 0) {
my $rsp={};
$rsp->{error}->[0]= "Invalide nodes in noderange: " . join(',', @missednodes);
$callback->($rsp);
return 1;
}
my @servicenodes=xCAT::ServiceNodeUtils->getSNList();
#print "noderange=@noderange, missednodes=@missednodes, servicenodes=@servicenodes\n";
#pick out the service nodes from the node list
foreach my $sn (@servicenodes) {
if (grep /^$sn$/, @noderange) {
@noderange=grep(!/^$sn$/, @noderange);
my $reqcopy = {%$request};
$reqcopy->{_xcatpreprocessed}->[0] = 1;
$reqcopy->{'_xcatdest'} = $sn;
$reqcopy->{node} = [$sn];
if ($routelist_in) {
$reqcopy->{routelist}->[0]=$routelist_in;
}
if ($delete) {
$reqcopy->{delete}->[0]=1;
}
push(@$ret, $reqcopy);
}
}
#now find out the service nodes for each node and
#send the request to the service node
my $sn_hash = xCAT::ServiceNodeUtils->get_ServiceNode(\@noderange, "xcat", "MN");
# build each request for each service node
foreach my $sn (keys %$sn_hash)
{
my $reqcopy = {%$request};
$reqcopy->{node} = $sn_hash->{$sn};
$reqcopy->{'_xcatdest'} = $sn;
$reqcopy->{_xcatpreprocessed}->[0] = 1;
$reqcopy->{remote}->[0] = 1;
if ($routelist_in) {
$reqcopy->{routelist}->[0]=$routelist_in;
}
if ($delete) {
$reqcopy->{delete}->[0]=1;
}
push(@$ret, $reqcopy);
}
return $ret;
}
}
}
#-------------------------------------------------------
=head3 process_request
Process the command
=cut
#-------------------------------------------------------
sub process_request
{
my $request = shift;
my $callback = shift;
my $sub_req = shift;
my $command = $request->{command}->[0];
if ($command eq "makeroutes") {
return process_makeroutes($request, $callback, $sub_req);
} elsif ($command eq "ipforward") {
return process_ipforward($request, $callback, $sub_req);
}
return;
}
sub process_makeroutes {
my $request = shift;
my $callback = shift;
my $sub_req = shift;
my $command = $request->{command}->[0];
my $nodes;
if (exists($request->{node})) {
$nodes=$request->{node};
}
my $delete=0;
if (exists($request->{delete})) {
$delete=$request->{delete}->[0];
}
my $remote=0;
if (exists($request->{remote})) {
$remote=$request->{remote}->[0];
}
my $routelist;
if (exists($request->{routelist})) {
$routelist=$request->{routelist}->[0];
}
#get all the routes from the routes table
my %all_routes=();
my $routestab=xCAT::Table->new("routes", -create =>1);
if ($routestab) {
my @tmp1=$routestab->getAllAttribs(('routename', 'net', 'mask', 'gateway', 'ifname'));
if (@tmp1 > 0) {
foreach(@tmp1) {
$all_routes{$_->{routename}} = $_;
$_->{process} = 0;
}
}
}
if ($routelist) {
foreach(split(',', $routelist)) {
$all_routes{$_}->{process}=1;
if (($nodes) && ($remote)) {
$all_routes{$_}->{nodes}=$nodes;
}
}
}
else {
#get the routes for each nodes from the noderes table (for sn and cn) and site table (for mn)
if ($nodes) {
my $nrtab=xCAT::Table->new("noderes", -create =>1);
my $nrhash = $nrtab->getNodesAttribs($nodes, ['routenames']) ;
foreach(@$nodes) {
my $node=$_;
my $rn;
my $ent=$nrhash->{$node}->[0];
if (ref($ent) and defined $ent->{routenames}) {
$rn = $ent->{routenames};
}
if ($rn) {
my @a=split(',', $rn);
my @badroutes=();
foreach my $r (@a) {
if (! exists($all_routes{$r})) {
push(@badroutes, $r);
}
else {
#print "got here...., remote=$remote\n";
$all_routes{$r}->{process}=1;
if ($remote) {
my $pa=$all_routes{$r}->{nodes};
if ($pa) {
push(@$pa, $node);
}
else {
$all_routes{$r}->{nodes}=[$node];
}
}
}
}
if (@badroutes > 0) {
my $badroutes_s=join(',', @badroutes);
my $rsp={};
if (@badroutes==1) {
$rsp->{error}->[0]= "The route $badroutes_s is not defined in the routes table. Please check noderes.routenames for node $node.";
}
else {
$rsp->{error}->[0]= "The routes $badroutes_s are not defined in the routes table. Please check noderes.routenames for node $node.";
}
$callback->($rsp);
return 1;
}
}
else {
my $rsp={};
$rsp->{data}->[0]= "No routes defined in noderes.routenames for node $node, skiping $node.";
$callback->($rsp);
}
}
}
else { #this is mn, get the routes from the site table
my @mnroutes = xCAT::TableUtils->get_site_attribute("mnroutenames");
if ($mnroutes[0]) {
my @a=split(',', $mnroutes[0]);
my @badroutes=();
foreach my $r (@a) {
if (! exists($all_routes{$r})) {
push(@badroutes, $r);
}
else {
$all_routes{$r}->{process}=1;
}
}
if (@badroutes > 0) {
my $badroutes_s=join(',', @badroutes);
my $rsp={};
if (@badroutes==1) {
$rsp->{error}->[0]= "The route $badroutes_s is not defined in the routes table. Please check site.mnroutenames for the management node.";
}
else {
$rsp->{error}->[0]= "The routes $badroutes_s are not defined in the routes table. Please check site.mnroutenames for the management node.";
}
$callback->($rsp);
return 1;
}
}
else {
my $rsp={};
$rsp->{data}->[0]= "No routes defined in the site.mnroutenames for the management node.";
$callback->($rsp);
return 1;
}
}
}
#print Dumper(%all_routes);
#now let's handle the route creatation and deletion
my @sns=();
my $installdir = xCAT::TableUtils->getInstallDir();
while (my ($routename, $route_hash) = each(%all_routes)) {
if ($route_hash->{process}) {
my ($gw_name, $gw_ip)=xCAT::NetworkUtils->gethostnameandip($route_hash->{gateway});
push(@sns, $gw_name);
if ($route_hash->{net} =~ /:/) {
# Remove the subnet postfix like /64
if ($route_hash->{net} =~ /\//) {
$route_hash->{net} =~ s/\/.*$//;
}
# Remove the "/" from the ipv6 prefixlength
if ($route_hash->{mask}) {
if ($route_hash->{mask} =~ /\//) {
$route_hash->{mask} =~ s/^\///;
}
}
}
if ($remote) { #to the nodes
my $nodes_tmp=$route_hash->{nodes};
#print "nodes=@$nodes_tmp, remote=$remote, delete=$delete\n";
my $op="add";
if ($delete) { $op="delete"; }
my $output = xCAT::Utils->runxcmd(
{
command => ["xdsh"],
node => $nodes_tmp,
arg => ["-e", "/$installdir/postscripts/routeop $op " . $route_hash->{net} . " " . $route_hash->{mask} . " $gw_ip" . " $route_hash->{ifname}"],
_xcatpreprocessed => [1],
},
$sub_req, -1, 1);
my $rsp={};
$rsp->{data}=$output;
$callback->($rsp);
}
else { #local on mn or sn
if ($delete) {
delete_route($callback, $route_hash->{net}, $route_hash->{mask}, $gw_ip, $gw_name, $route_hash->{ifname});
}
else {
set_route($callback, $route_hash->{net}, $route_hash->{mask}, $gw_ip, $gw_name,$route_hash->{ifname});
}
}
}
}
#not all gateways are service nodes
my %sn_hash=();
my @allSN=xCAT::ServiceNodeUtils->getAllSN();
my %allSN_hash=();
foreach(@allSN) {$allSN_hash{$_}=1;}
foreach my $sn (@sns) {
if (exists($allSN_hash{$sn})) {
$sn_hash{$sn}=1;
}
}
#update servicenode.ipforward
my $sntab=xCAT::Table->new("servicenode", -create => 1,-autocommit => 1);
my %valuehash=();
my $value=1;
if ($delete) {$value=0;}
foreach my $sn (keys %sn_hash) {
$valuehash{$sn} = { ipforward=>$value };
}
$sntab->setNodesAttribs(\%valuehash);
#go to the service nodes to enable/disable ipforwarding
my @nodes=keys(%sn_hash);
$sub_req->({
command=>['ipforward'],
node=>\@nodes,
arg=>[$delete]},
$callback);
}
sub process_ipforward {
my $request = shift;
my $callback = shift;
my $sub_req = shift;
my $args = $request->{arg};
my $delete=0;
if ($args) {
$delete = $args->[0];
}
if ($delete) {
xCAT::NetworkUtils->setup_ip_forwarding(0);
} else {
xCAT::NetworkUtils->setup_ip_forwarding(1);
}
}
sub usage {
my $cb=shift;
my $rsp={};
$rsp->{data}->[0]= "Usage: makeroutes -h";
$rsp->{data}->[1]= " makeroutes -v";
$rsp->{data}->[2]= " makeroutes [-r routename[,routename...]]";
$rsp->{data}->[3]= " makeroutes [-r routename[,routename...]] -d ";
$rsp->{data}->[4]= " makeroutes noderange [-r routename[,routename...]]";
$rsp->{data}->[5]= " makeroutes noderange [-r routename[,routename...]] -d";
$cb->($rsp);
}
#check if the route exits or not from the route table
sub route_exists {
my $net = shift;
my $mask = shift;
my $gw_ip = shift;
my $gw=shift;
my $islinux=xCAT::Utils->isLinux();
# ipv6 net
if ($net =~ /:/) {
if ($islinux) {
my $result = `ip -6 route show $net/$mask`;
# ip -6 route show will return nothing if the route does not exist
if (!$result || ($? != 0))
{
return 0;
} else {
return 1;
}
} else { # AIX
# TODO
}
} else {
my $result;
$result=`netstat -nr|grep $net`;
if ($? == 0) {
if ($result) {
my @b=split('\n', $result);
foreach my $tmp (@b) {
chomp($tmp);
my @a=split(' ', $tmp);
if ($islinux) { #Linux
if (@a >= 3) {
my $net1=$a[0];
my $mask1=$a[2];
my $gw1=$a[1];
if (($net1 eq $net) && ($mask1 eq $mask) && (($gw1 eq $gw) || ($gw1 eq $gw_ip))) {
return 1;
}
}
}
else { #AIX
if (@a >= 2) {
my $tmp1=$a[0];
my $gw1=$a[1];
#now convert $mask to bits
$net =~ /([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)/;
my $netnum = ($1<<24)+($2<<16)+($3<<8)+$4;
my $bits=32;
while (($netnum % 2) == 0) {
$bits--;
$netnum=$netnum>>1;
}
my $tmp2="$net/$bits";
if (($tmp1 eq $tmp2) && (($gw1 eq $gw) || ($gw1 eq $gw_ip))) {
return 1;
}
} # end if (@a >= 2)
} #end else linux/aix
} # end foreach
} # end if ($result)
} # end if ($? == 0
} # end else ipv4/ipv6
return 0;
}
# sets the route with given parameters
sub set_route {
my $callback=shift;
my $net = shift;
my $mask = shift;
my $gw_ip = shift;
my $gw=shift;
my $ifname=shift;
my $host=hostname();
#print "set_route get called\n";
my $result;
if (!route_exists($net, $mask, $gw_ip, $gw)) {
#set temporay route
my $cmd;
# ipv6 network
if ($net =~ /:/) {
if (xCAT::Utils->isLinux()) {
$cmd="ip -6 route add $net/$mask via $gw_ip";
} else {
# AIX TODO
}
} else {
if (xCAT::Utils->isLinux()) {
$cmd="route add -net $net netmask $mask gw $gw_ip";
} else {
$cmd="route add -net $net -netmask $mask $gw_ip";
}
}
#print "cmd=$cmd\n";
my $rsp={};
$rsp->{data}->[0]= "$host: Adding temporary route: $cmd";
$callback->($rsp);
$result=`$cmd 2>&1`;
if ($? != 0) {
my $rsp={};
$rsp->{error}->[0]= "$host: $cmd\nerror code=$?, result=$result\n";
$callback->($rsp);
#return 1;
}
} else {
my $rsp={};
$rsp->{data}->[0]= "$host: The temporary route already exists for $net.";
$callback->($rsp);
}
#handle persistent routes
if (xCAT::Utils->isLinux()) { #Linux
my $os = xCAT::Utils->osver();
#print "os=$os $net, $mask, $gw_ip, $gw, $ifname\n";
if ($os =~ /sles/) { #sles
addPersistentRoute_Sles($callback, $net, $mask, $gw_ip, $gw, $ifname);
} elsif ($os =~ /ubuntu|debian/) { #ubuntu or Debian?
addPersistentRoute_Debian($callback, $net, $mask, $gw_ip, $gw, $ifname);
}
elsif ($os =~ /rh|fedora|centos/) { #RH, Ferdora, CentOS
addPersistentRoute_RH($callback, $net, $mask, $gw_ip, $gw, $ifname);
}
} else { #AIX
# chdev -l inet0 -a route=net,-hopcount,0,,0,192.168.1.1
# chdev -l inet0 -a route=net, -hopcount,255.255.255.128,,,,,192.168.3.155,192.168.2.1
# lsattr -El inet0 -a route
my $rsp={};
$rsp->{data}->[0]= "$host: Adding persistent route on AIX is not supported yet.";
$callback->($rsp);
}
return 0;
}
# deletes the route with given parameters
sub delete_route {
my $callback=shift;
my $net = shift;
my $mask = shift;
my $gw_ip = shift;
my $gw=shift;
my $ifname=shift;
my $host=hostname();
#print "delete_route get called\n";
my $result;
if (route_exists($net, $mask, $gw_ip, $gw)) {
#delete route temporarily
my $cmd;
if ($net =~ /:/) {
if (xCAT::Utils->isLinux()) {
$cmd = "ip -6 route delete $net/$mask via $gw_ip";
} else {
# AIX TODO
}
} else {
if (xCAT::Utils->isLinux()) {
$cmd="route delete -net $net netmask $mask gw $gw_ip";
} else {
$cmd="route delete -net $net -netmask $mask $gw_ip";
}
}
#print "cmd=$cmd\n";
my $rsp={};
$rsp->{data}->[0]= "$host: Removing the temporary route: $cmd";
$callback->($rsp);
$result=`$cmd 2>&1`;
if ($? != 0) {
my $rsp={};
$rsp->{error}->[0]= "$host: $cmd\nerror code=$?, result=$result\n";
$callback->($rsp);
}
}
else {
my $rsp={};
if ($net =~ /:/) {
$rsp->{data}->[0]= "$host: The temporary route does not exist for $net/$mask.";
} else {
$rsp->{data}->[0]= "$host: The temporary route does not exist for $net.";
}
$callback->($rsp);
}
#handle persistent route
if (xCAT::Utils->isLinux()) { #Linux
my $os = xCAT::Utils->osver();
if ($os =~ /sles/) { #sles
deletePersistentRoute_Sles($callback, $net, $mask, $gw_ip, $gw, $ifname);
} elsif ($os =~ /ubuntu/) { #ubuntu or Debian?
deletePersistentRoute_Debian($callback, $net, $mask, $gw_ip, $gw, $ifname);
}
elsif ($os =~ /rh|fedora|centos/) { #RH, Ferdora
deletePersistentRoute_RH($callback, $net, $mask, $gw_ip, $gw, $ifname);
}
}
else { #AIX
# chdev -l inet0 -a delroute=net,-hopcount,0,,0,192.168.1.1
# chdev -l inet0 -a delroute=net,-hopcount,255.255.255.128,,,,,192.168.3.128,192.168.2.1
my $rsp={};
$rsp->{data}->[0]= "$host: Removing persistent route on AIX is not supported yet.";
$callback->($rsp);
}
return 0;
}
#set the given route to the configuration file
sub setConfig {
my $filename=shift;
my $new_conf_block=shift;
#print "filename=$filename\n";
my $new_config=join("\n", @$new_conf_block);
my $last_char = substr $new_config,-1,1;
if ($last_char ne "\n") { $new_config .= "\n"; }
my $filename_tmp = "$filename.$$";
open (OUTFILE, '>', $filename_tmp);
my $found=0;
if (-f $filename) {
open (INFILE, '<', $filename);
my $inblock=0;
while (<INFILE>) {
my $line=$_;
if (!$inblock) {
print OUTFILE $line;
}
if ($line =~ /$xcat_config_start/) {
$found=1;
$inblock=1;
print OUTFILE $new_config;
} elsif ($line =~ /$xcat_config_end/) {
$inblock=0;
print OUTFILE "$xcat_config_end\n";
}
}
}
if (!$found) {
print OUTFILE "$xcat_config_start\n";
print OUTFILE $new_config;
print OUTFILE "$xcat_config_end\n";
}
close (INFILE);
close (OUTFILE);
copy($filename_tmp, $filename);
unlink($filename_tmp);
}
#gets the xCAT configurations from the given file
sub getConfig {
my $filename=shift;
my @output=();
if (-f $filename) {
open(FILE, "<", $filename);
my $xcatconf = 0;
my $first=0;
while (<FILE>) {
chomp;
if (/$xcat_config_start/) {
$xcatconf = 1;
$first=1;
}
elsif (/$xcat_config_end/) {
$xcatconf = 0;
}
if ($first) {
$first=0;
next;
}
if ($xcatconf) {
push @output, $_;
}
}
}
return @output;
}
#add the routes to the /etc/sysconfig/network/routes file
#The format is: destination gateway mask ifname
sub addPersistentRoute_Sles {
my $callback=shift;
my $net=shift;
my $mask=shift;
my $gw_ip=shift;
my $gw=shift;
my $ifname=shift;
my $host=hostname();
my $filename="/etc/sysconfig/network/routes";
my @output=getConfig($filename);
#print "old output=" . join("\n", @output) . "\n";
my $hasConfiged=0;
if (@output && (@output > 0)) {
$hasConfiged=checkConfig_Sles($net, $mask, $gw_ip, $gw, \@output);
}
#print "hasConfiged=$hasConfiged\n";
my $new_config;
if ($net =~ /:/) {
$new_config = "$net/$mask $gw_ip - -\n";
} else {
$new_config="$net $gw_ip $mask $ifname\n";
}
if (!$hasConfiged) {
push(@output, $new_config);
#print "new output=" . join("\n", @output) . "\n";
#Add the route to the configuration file
#the format is: destination gateway mask ifname
setConfig($filename, \@output);
chomp($new_config);
my $rsp={};
$rsp->{data}->[0]= "$host: Added persistent route \"$new_config\" to $filename.";
$callback->($rsp);
} else {
chomp($new_config);
my $rsp={};
$rsp->{data}->[0]= "$host: Persistent route \"$new_config\" already exists in $filename.";
$callback->($rsp);
}
}
#remove the routes from the /etc/sysconfig/network/routes file
sub deletePersistentRoute_Sles {
my $callback=shift;
my $net=shift;
my $mask=shift;
my $gw_ip=shift;
my $gw=shift;
my $ifname=shift;
my $host=hostname();
my $filename="/etc/sysconfig/network/routes";
my @output=getConfig($filename);
#print "old output=" . join("\n", @output) . "\n";
my @new_output=();
my $bigfound=0;
foreach my $tmp_conf (@output) {
my $found = checkConfig_Sles($net, $mask, $gw_ip, $gw, [$tmp_conf]);
if (!$found) {
push(@new_output, $tmp_conf);
} else {
$bigfound=1;
}
}
#print "new output=" . join("\n", @new_output) . "\n";
#set the new configuration to the configuration file
setConfig($filename, \@new_output);
if ($bigfound) {
my $rsp={};
if ($net =~ /:/) {
$rsp->{data}->[0]= "$host: Removed persistent route \"$net/$mask $gw_ip\" from $filename.";
} else {
$rsp->{data}->[0]= "$host: Removed persistent route \"$net $gw_ip $mask $ifname\" from $filename.";
}
$callback->($rsp);
} else {
my $rsp={};
if ($net =~ /:/) {
$rsp->{data}->[0]= "$host: Persistent route \"$net/$mask $gw_ip\" does not exist in $filename.";
} else {
$rsp->{data}->[0]= "$host: Persistent route \"$net $gw_ip $mask $ifname\" does not exist in $filename.";
}
$callback->($rsp);
}
}
#check if the route is in the SLES network configuration file
sub checkConfig_Sles {
my $net = shift;
my $mask = shift;
my $gw_ip = shift;
my $gw=shift;
my $output=shift;
# ipv4 format: 192.168.0.0 207.68.156.51 255.255.0.0 eth1
# ipv6 format: fd59::/64 fd57:faaf:e1ab:336:21a:64ff:fe01:1 - -
foreach my $line (@$output) {
my @a=split(' ', $line);
my ($net1,$mask1,$gw1);
if ($net =~ /:/) {
if (@a>0) {
my $ipv6net = $a[0];
($net1,$mask1) = split("/",$ipv6net);
}
if (@a>1) {
$gw1=$a[1];
if ($gw1 eq '-') { $gw1=$gw_ip; }
}
} else {
if (@a>0) {
$net1=$a[0];
if ($net1 eq '-') { $net1=$net;}
}
if (@a>1) {
$gw1=$a[1];
if ($gw1 eq '-') { $gw1=$gw_ip; }
}
if (@a>2) {
$mask1=$a[2];
if ($mask1 eq '-') { $mask1=$mask;}
}
}
#print "net=$net1,$net mask=$mask1,$mask gw=$gw1,$gw_ip\n";
if (($net1 && $net1 eq $net) && ($mask1 && $mask1 eq $mask) && (($gw1 && $gw1 eq $gw) || ($gw1 && $gw1 eq $gw_ip))) {
return 1;
}
}
return 0;
}
#add the routes to the /etc/sysconfig/static-routes file
#The format is: any net 172.16.0.0 netmask 255.240.0.0 gw 192.168.0.1 eth0
sub addPersistentRoute_RH {
my $callback=shift;
my $net=shift;
my $mask=shift;
my $gw_ip=shift;
my $gw=shift;
my $ifname=shift;
my $host=hostname();
my $filename;
# ipv6
if ($net =~ /:/) {
$filename="/etc/sysconfig/static-routes-ipv6";
} else {
$filename="/etc/sysconfig/static-routes";
}
my @output=getConfig($filename);
#print "old output=" . join("\n", @output) . "\n";
my $hasConfiged=0;
if (@output && (@output > 0)) {
$hasConfiged=checkConfig_RH($net, $mask, $gw_ip, $gw, \@output);
}
#print "hasConfiged=$hasConfiged\n";
my $new_config;
if ($net =~ /:/) {
# ifname is required for ipv6 routing
if (!$ifname) {
my $rsp={};
$rsp->{data}->[0]= "$host: Could not add persistent route for ipv6 network $net/$mask, the ifname is required in the routes table.";
$callback->($rsp);
return;
}
$new_config="$ifname $net/$mask $gw_ip";
} else {
$new_config="any net $net netmask $mask gw $gw_ip $ifname\n";
}
if (!$hasConfiged) {
push(@output, $new_config);
#print "new output=" . join("\n", @output) . "\n";
#Add the route to the configuration file
#the format is: destination gateway mask ifname
setConfig($filename, \@output);
chomp($new_config);
my $rsp={};
$rsp->{data}->[0]= "$host: Added persistent route \"$new_config\" to $filename.";
$callback->($rsp);
} else {
chomp($new_config);
my $rsp={};
$rsp->{data}->[0]= "$host: Persistent route \"$new_config\" already exists in $filename.";
$callback->($rsp);
}
}
#remove the routes from the /etc/sysconfig/static-routes file
sub deletePersistentRoute_RH {
my $callback=shift;
my $net=shift;
my $mask=shift;
my $gw_ip=shift;
my $gw=shift;
my $ifname=shift;
my $host=hostname();
my $filename;
# ipv6
if ($net =~ /:/) {
$filename="/etc/sysconfig/static-routes-ipv6";
} else {
$filename="/etc/sysconfig/static-routes";
}
my @output=getConfig($filename);
#print "old output=" . join("\n", @output) . "\n";
my @new_output=();
my $bigfound=0;
foreach my $tmp_conf (@output) {
my $found = checkConfig_RH($net, $mask, $gw_ip, $gw, [$tmp_conf]);
if (!$found) {
push(@new_output, $tmp_conf);
} else {
$bigfound=1;
}
}
#print "new output=" . join("\n", @new_output) . "\n";
#set the new configuration to the configuration file
setConfig($filename, \@new_output);
if ($bigfound) {
my $rsp={};
if ($net =~ /:/) {
$rsp->{data}->[0]= "$host: Removed persistent route \"$ifname $net/$mask $gw_ip\" from $filename.";
} else {
$rsp->{data}->[0]= "$host: Removed persistent route \"any net $net netmask $mask gw $gw_ip $ifname\" from $filename.";
}
$callback->($rsp);
} else {
my $rsp={};
if ($net =~ /:/) {
$rsp->{data}->[0]= "$host: Persistent route \"$ifname $net/$mask $gw_ip\" does not exist in $filename.";
} else {
$rsp->{data}->[0]= "$host: Persistent route \"any net $net netmask $mask gw $gw_ip $ifname\" does not exist in $filename.";
}
$callback->($rsp);
}
}
sub checkConfig_RH {
my $net = shift;
my $mask = shift;
my $gw_ip = shift;
my $gw=shift;
my $output=shift;
foreach my $line (@$output) {
my @a=split(' ', $line);
#The format is: any net 172.16.0.0 netmask 255.240.0.0 gw 192.168.0.1 eth0
# ipv6 format: eth1 fd60::/64 fd57::214:5eff:fe15:1
my ($net1,$mask1,$gw1);
if ($net =~ /:/) {
if (@a>1) {
my $ipv6net = $a[1];
($net1,$mask1) = split("/",$ipv6net);
}
if (@a>2) {
$gw1 = $a[2];
}
} else {
if (@a>2) {
$net1=$a[2];
if ($net1 eq '-') { $net1=$net;}
}
if (@a>4) {
$mask1=$a[4];
if ($mask1 eq '-') { $mask1=$mask;}
}
if (@a>6) {
$gw1=$a[6];
if ($gw1 eq '-') { $gw1=$gw_ip; }
}
}
#print "net=$net1,$net mask=$mask1,$mask gw=$gw1,$gw_ip\n";
if (($net1 && $net1 eq $net) && ($mask1 && $mask1 eq $mask) && (($gw1 && $gw1 eq $gw) || ($gw1 && $gw1 eq $gw_ip))) {
return 1;
}
}
return 0;
}
sub addPersistentRoute_Debian{
my $callback = shift;
my $net = shift;
my $mask = shift;
my $gw_ip = shift;
my $gw_name = shift;
my $ifname = shift;
my $host=hostname();
my $conf_file = "/etc/network/interfaces.d/$ifname";
my $cmd = '';
my $route_conf = '';
preParse_Debian();
#ipv6
if ( $net =~ /:/){
$cmd = "grep \"$net/$mask gw $gw_ip\" $conf_file";
$route_conf = " up route -A inet6 add $net/$mask gw $gw_ip \n down route -A inet6 del $net/$mask gw $gw_ip \n";
}
else { #ipv4
$cmd = "grep \"-net $net netmask $mask gw $gw_ip\" $conf_file";
$route_conf = " up route add -net $net netmask $mask gw $gw_ip \n down route del -net $net netmask $mask gw $gw_ip \n";
}
#fine the corresponding config in the config file
my @returninfo = `$cmd`;
if ( @returninfo ){
my $rsp={};
$rsp->{data}->[0]= "$host: Persistent route \"$returninfo[0]\" already exists in $conf_file.";
callback->($rsp);
return;
}
#add the configuration to the config file
my $readyflag = 0;
open(FH, "<", $conf_file);
my @content = <FH>;
close(FH);
#read each line of the file and find the insert place
open(FH, ">", $conf_file);
foreach my $line ( @content ){
#add the route line at the end of this dev part
if (( $readyflag == 1 ) && ( $line =~ /iface|modprobe/ )){
$readyflag = 0;
print FH $route_conf;
}
if ( $line =~ /iface $ifname/ ){
$readyflag = 1;
}
print FH $line;
}
#the dev is the last one, add the route at the end of the file
if ( $readyflag == 1 ){
print FH $route_conf;
}
close(FH);
}
sub deletePersistentRoute_Debian{
my $callback=shift;
my $net=shift;
my $mask=shift;
my $gw_ip=shift;
my $gw=shift;
my $ifname=shift;
my $host=hostname();
my $conf_file = "/etc/network/interfaces.d/$ifname";
my $match = "";
my $modflag = 0;
preParse_Debian();
#ipv6
if ( $net =~ /:/){
$match = "$net/$mask gw $gw_ip";
}
else {
$match = "net $net netmask $mask gw $gw_ip";
}
open(FH, "<", $conf_file);
my @lines = <FH>;
close(FH);
open(FH, ">", $conf_file);
foreach my $line ( @lines ){
#match the route config, jump to next line
if ( $line =~ /$match/ ){
$modflag = 1;
}
else{
print FH $line;
}
}
close(FH);
my $rsp = {};
if ( $modflag ){
$rsp->{data}->[0]= "$host: Removed persistent route \"$match\" from $conf_file.";
}
else{
$rsp->{data}->[0]= "$host: Persistent route \"$match\" does not exist in $conf_file.";
}
$callback->($rsp);
}
sub preParse_Debian{
my $configfile;
open(FH, "<", "/etc/network/interfaces");
my @lines = <FH>;
close(FH);
if ($lines[0] =~ /XCAT_CONFIG/i){
return;
}
unless ( -e "/etc/network/interfaces.bak" ){
copy ("/etc/network/interfaces", "/etc/network/interfaces.bak");
}
unless ( -d "/etc/network/interfaces.d" ){
mkpath( "/etc/network/interfaces.d" );
}
open(FH, ">", "/etc/network/interfaces");
print FH "#XCAT_CONFIG\n";
print FH "source /etc/network/interfaces.d/* \n";
close(FH);
foreach my $line ( @lines ){
if ( $line =~ /^\s*$/){
next;
}
if ( $line =~ /^#.*/ ){
next;
}
my @attr = split /\s+/, $line;
if ( $attr[0] =~ /auto|allow-hotplug/){
my $i = 1;
while ( $i < @attr ){
open(SFH, ">", "/etc/network/interfaces.d/$attr[$i]");
print SFH "$attr[0] $attr[$i]\n";
close(SFH);
print FH "source /etc/network/interfaces.d/$attr[$i] \n";
$i = $i + 1;
}
}
elsif ($attr[0] =~ /mapping|iface/){
$configfile = "/etc/network/interfaces.d/$attr[1]";
open(SFH, ">>", $configfile);
unless ( -e $configfile){
print SFH "auto $attr[1] \n";
}
print SFH $line;
close(SFH);
}
else{
open(SFH, ">>", $configfile);
print SFH $line;
close(SFH);
}
}
return;
}
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