addspecialiface.in 4.81 KB
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#!/usr/bin/perl -w
#
# EMULAB-COPYRIGHT
# Copyright (c) 2003-2012 University of Utah and the Flux Group.
# All rights reserved.
#
use strict;
use English;
use Getopt::Std;
use Date::Parse;
use Time::Local;
use Data::Dumper;
use File::Temp qw(tempfile);

#
# Add a generic device to the DB. 
#
sub usage()
{
    print STDERR "Usage: addgenericiface -b <speed> [-s <switchinfo>] ".
	"<node_id> <iface_id>\n";
    print STDERR "Usage: addgenericiface -r <node_id> <iface_id>\n";
    print STDERR "Options:\n";
    print STDERR " -d       - Turn on debugging\n";
    print STDERR " -n       - Dry run mode\n";
    print STDERR " -t       - Do not call snmpit to set trunk mode\n";
    print STDERR " -r       - Delete interface\n";
    print STDERR " -b speed - Interface speed; 100Mb or 1Gb \n";
    print STDERR " -s info  - switchname,switchcard,switchport\n";
    print STDERR " iface_id - eth0, eth1, etc (must end in an integer)\n";
    exit(-1);
}
my $optlist   = "b:dns:rt";
my $debug     = 0;
my $impotent  = 0;
my $removing  = 0;
my $notrunk   = 0;
my $speed;
my $switchinfo;

# Protos
sub fatal($);

#
# Configure variables
#
my $TB          = "@prefix@";
my $SNMPIT      = "$TB/bin/snmpit_test";

#
# Testbed Support libraries
#
use lib "@prefix@/lib";
use emdb;
use EmulabConstants;
use emutil;
use User;
use Node;
use NodeType;
use OSinfo;
use Interface;

#
# Turn off line buffering on output
#
$| = 1;

#
# Untaint the path
# 
$ENV{'PATH'} = "/bin:/sbin:/usr/bin:";

#
# Parse command arguments. 
#
my %options = ();
if (! getopts($optlist, \%options)) {
    usage();
}
if (defined($options{'h'})) {
    usage();
}
if (defined($options{'d'})) {
    $debug = 1;
}
if (defined($options{'n'})) {
    $impotent = 1;
}
if (defined($options{'r'})) {
    $removing = 1;
}
if (defined($options{'t'})) {
    $notrunk = 1;
}
if (defined($options{'b'})) {
    $speed = $options{'b'};
    usage()
	if ($speed ne "1Gb" && $speed ne "100Mb");
}
if (defined($options{'s'})) {
    $switchinfo = $options{"s"};
}
usage()
    if (@ARGV != 2);

my $node_id  = $ARGV[0];
my $iface_id = $ARGV[1];

#
# Verify user, must be admin.
#
my $this_user = User->ThisUser();
if (! defined($this_user)) {
    fatal("You ($UID) do not exist!");
}
if (!$this_user->IsAdmin()) {
    fatal("You are not a testbed administrator!");
}
my $node = Node->Lookup($node_id);
if (!defined($node)) {
    fatal("Node does not exist in the DB")
}
my $interface = Interface->LookupByIface($node, $iface_id);
if ($removing) {
    fatal("Node does not have an interface named $iface_id")
	if (!defined($interface));
}
else {
    fatal("Node already has an interface named $iface_id")
	if (defined($interface));
}
if ($removing) {
    if ($node->erole() eq "sharedhost" && !$notrunk) {
	print "Turning off trunk mode for $node_id:$iface_id\n";
	system("$SNMPIT -T $node_id:$iface_id") == 0
	    or fatal("Could not put port into trunking mode");
    }

    $interface->DeleteWire() == 0
	or fatal("Could not delete wire for $interface");

    # Flag indicates it is okay to delete real interface.
    $interface->Delete(1) == 0
	or fatal("Could not delete $interface");

    exit(0);
}

# Verify switch info
my $nodecard;
my $switchid;
my $switchcard;
my $switchport;

#
# Derive a card number form the iface number. 
#
if ($iface_id =~ /^[^\d]*(\d*)$/) {
    $nodecard = $1;
}
else {
    fatal("iface_id is not in the proper format");
}
if (Interface->Lookup($node, $nodecard)) {
    fatal("Node already has an interface with card=$nodecard");
}
if ($switchinfo =~ /^([-\w]+),(\d+),(\d+)$/) {
    $switchid   = $1;
    $switchcard = $2;
    $switchport = $3;
}
else {
    fatal("Invalid switch info");
}
my $switch = Node->Lookup($switchid);
if (!defined($switch)) {
    fatal("Switch $switchid does not exist");
}
if (Interface->Lookup($node, $switchcard, $switchport)) {
    fatal("Switch $switchid already has an interface with ".
	  "card=$switchcard,port=$switchport");
}
#
# Add the interface.
#
my $ifaceargs = {
    "card"        => $nodecard,
    "iface"       => $iface_id,
    "role"        => TBDB_IFACEROLE_EXPERIMENT(),
    "type"        => ($speed eq "100Mb" ? "generic" : "generic_1G"),
    "max_speed"   => ($speed eq "100Mb" ? "100000"  : "1000000"),
    "switch_id"   => $switchid,
    "switch_port" => $switchport,
    "switch_card" => $switchcard,
    "trunk"       => ($node->erole() eq "sharedhost" ? 1 : 0),
    "mac"         => "000000000000",
};
print "Creating interface with arguments:\n";
print Dumper($ifaceargs);
if (!$impotent) {
    Interface->Create($node, $ifaceargs)
	or fatal("Could not create interface entry");

    if ($node->erole() eq "sharedhost" && !$notrunk) {
	print "Setting $node_id:$iface_id to trunking mode\n";
206
	system("$SNMPIT -E $node_id:$iface_id") == 0
207 208 209 210 211 212 213 214 215 216 217 218 219 220
	    or fatal("Could not put port into trunking mode");
    }
}
exit(0);

sub fatal($)
{
    my ($mesg) = $_[0];

    die("*** $0:\n".
	"    $mesg\n");
}