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|
#!/usr/bin/perl
# External STONITH module for VMWare Server Guests
#
# Copyright (c) 2004 SUSE LINUX AG - Andrew Beekhof <abeekhof@suse.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
sub supply_default
{
my $name = $_[0];
my $value = $_[1];
if ( defined $ENV{$name} ) {
#print "Set: $name=$ENV{$name}\n";
} else {
$ENV{$name} = $value;
#print "Default: $name=$ENV{$name}\n";
}
}
sub vmware_command
{
my $config = $_[0];
my $action = $_[1];
my @lines;
my $device = $ENV{'device_host'};
if ( $device =~ /localhost/ ) {
@lines = readpipe "vmware-cmd $config $action";
} else {
@lines = readpipe "ssh $device \"vmware-cmd \\\"$config\\\" $action\"";
}
#print @lines;
return @lines;
}
sub is_host_active
{
my $config = config_for_host($_[0]);
my @lines = vmware_command($config, "getstate");
foreach $line (@lines) {
if ( $line =~ /getstate.* = on/ ) {
return 1;
}
}
return 0;
}
sub supported_hosts
{
my $line;
my @lines;
if ( defined $ENV{'host_map'} ) {
@lines = split(/;/, $ENV{'host_map'});
foreach $line (@lines){
@config = split(/=/, $line);
$host = $config[0];
if ( is_host_active($host) == 1 ) {
print "$host\n";
}
}
} else {
@lines = vmware_command("-l");
foreach $line (@lines){
my @elements = split(/\//, $line);
$host = $elements[$#elements-1];
if ( is_host_active($host) == 1 ) {
print "$host\n";
}
}
}
}
sub config_for_host
{
my $line;
my @lines;
my $target = $_[0];
if ( defined $ENV{'host_map'} ) {
@lines = split(/;/, $ENV{'host_map'});
foreach $line (@lines){
if ( $line =~ /^$target=/ ) {
@config = split(/=/, $line);
return $config[1];
}
}
} else {
@lines = vmware_command("-l");
foreach $line (@lines){
if ( $line =~ /\/$target\// ) {
chop($line);
return $line;
}
}
}
}
$command = $ARGV[0];
if ( defined $ARGV[1] ) {
$targetHost = $ARGV[1];
}
supply_default("device_host", "localhost");
if ( $command =~ /^gethosts$/ ) {
supported_hosts;
} elsif ( $command =~ /^getconfignames$/ ) {
print "device_host\n";
} elsif ( $command =~ /^getinfo-devid$/ ) {
print "VMware Server STONITH device\n";
} elsif ( $command =~ /^getinfo-devname$/ ) {
print "VMware Server STONITH device\n";
} elsif ( $command =~ /^getinfo-devdescr$/ ) {
print "VMware Server STONITH device\n";
} elsif ( $command =~ /^getinfo-devurl$/ ) {
print "http://www.vmware.com/";
} elsif ( $command =~ /^on$/ ) {
$config = config_for_host($targetHost);
my @lines = vmware_command($config, "start hard");
print @lines;
} elsif ( $command =~ /^off$/ ) {
$config = config_for_host($targetHost);
my @lines = vmware_command($config, "stop hard");
print @lines;
} elsif ( $command =~ /^reset$/ ) {
$config = config_for_host($targetHost);
my @lines = vmware_command($config, "reset hard");
print @lines;
} elsif ( $command =~ /^status$/ ) {
my $rc = 7;
my $device = $ENV{'device_host'};
if ( $device =~ /localhost/ ) {
$rc = 0;
# TODO: Check for the vmware process
print "Local version: always running\n";
} else {
print "Remote version: running ping\n";
@lines = readpipe "ping -c1 $device";
print @lines;
foreach $line ( @lines ) {
if ( $line =~ /0% packet loss/ ) {
$rc = 0;
last;
}
}
}
exit($rc);
} elsif ( $command =~ /^getinfo-xml$/ ) {
$metadata = <<END;
<parameters>
<parameter name="host_map" unique="0" required="0">
<content type="string" />
<shortdesc lang="en">
Host Map
</shortdesc>
<longdesc lang="en">
A mapping of hostnames to config paths supported by this device.
Eg. host1=/config/path/1;host2=/config/path/2;host3=/config/path/3;
</longdesc>
</parameter>
<parameter name="device_host" unique="0" required="0">
<content type="string" />
<shortdesc lang="en">
Device Host
</shortdesc>
<longdesc lang="en">
The machine _hosting_ the virtual machines
</longdesc>
</parameter>
</parameters>
END
print $metadata;
} else {
print "Command $command: not supported\n";
exit(3); # Not implemented
}
exit(0);
|
