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Vmsystem.pm
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Vmsystem.pm
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package FusionInventory::Agent::Task::Inventory::Virtualization::Vmsystem;
use strict;
use warnings;
use FusionInventory::Agent::Tools;
use FusionInventory::Agent::Tools::Solaris;
my @vmware_patterns = (
'VMware vmxnet virtual NIC driver',
'Vendor: VMware\s+Model: Virtual disk',
'Vendor: VMware,\s+Model: VMware Virtual ',
': VMware Virtual IDE CDROM Drive'
);
my $vmware_pattern = _assemblePatterns(@vmware_patterns);
my @qemu_patterns = (
' QEMUAPIC ',
'QEMU Virtual CPU',
': QEMU HARDDISK,',
': QEMU CD-ROM,'
);
my $qemu_pattern = _assemblePatterns(@qemu_patterns);
my @virtual_machine_patterns = (
': Virtual HD,',
': Virtual CD,'
);
my $virtual_machine_pattern = _assemblePatterns(@virtual_machine_patterns);
my @virtualbox_patterns = (
' VBOXBIOS ',
': VBOX HARDDISK,',
': VBOX CD-ROM,',
);
my $virtualbox_pattern = _assemblePatterns(@virtualbox_patterns);
my @xen_patterns = (
'Hypervisor signature: xen',
'Xen virtual console successfully installed',
'Xen reported:',
'Xen: \d+ - \d+',
'xen-vbd: registered block device',
'ACPI: [A-Z]{4} \(v\d+\s+Xen ',
);
my $xen_pattern = _assemblePatterns(@xen_patterns);
my %module_patterns = (
'^vmxnet\s' => 'VMware',
'^xen_\w+front\s' => 'Xen',
);
sub isEnabled {
return 1;
}
sub doInventory {
my (%params) = @_;
my $inventory = $params{inventory};
my $logger = $params{logger};
# return immediatly if vm type has already been found
return if $inventory->{content}{HARDWARE}{VMSYSTEM} ne "Physical";
my $type = _getType($logger);
# for consistency with HVM domU
if (
$type eq 'Xen' &&
!$inventory->{h}{CONTENT}{BIOS}{SMANUFACTURER}
) {
$inventory->setBios({
SMANUFACTURER => 'Xen',
SMODEL => 'PVM domU'
});
}
$inventory->setHardware({
VMSYSTEM => $type,
});
}
sub _getType {
my ($logger) = @_;
if (-f '/.dockerinit') {
return 'Docker';
}
# Solaris zones
if (canRun('/usr/sbin/zoneadm')) {
my $zone = getZone();
return 'SolarisZone' if $zone ne 'global';
}
# Xen PV host
if (
-d '/proc/xen' ||
getFirstMatch(
file => '/sys/devices/system/clocksource/clocksource0/available_clocksource',
pattern => qr/xen/
)
) {
if (getFirstMatch(
file => '/proc/xen/capabilities',
pattern => qr/control_d/
)) {
# dom0 host
return 'Physical';
} else {
# domU PV host
return 'Xen';
}
}
my $result;
if (canRun('/sbin/sysctl')) {
my $handle = getFileHandle(
command => '/sbin/sysctl -n security.jail.jailed',
logger => $logger
);
my $line = <$handle>;
close $handle;
return 'BSDJail' if $line && $line == 1;
}
# loaded modules
if (-f '/proc/modules') {
my $handle = getFileHandle(
file => '/proc/modules',
logger => $logger
);
while (my $line = <$handle>) {
foreach my $pattern (keys %module_patterns) {
next unless $line =~ /$pattern/;
$result = $module_patterns{$pattern};
last;
}
}
close $handle;
}
return $result if $result;
# dmesg
my $handle;
if (-r '/var/log/dmesg') {
$handle = getFileHandle(file => '/var/log/dmesg', logger => $logger);
} elsif (-x '/bin/dmesg') {
$handle = getFileHandle(command => '/bin/dmesg', logger => $logger);
} elsif (-x '/sbin/dmesg') {
# On OpenBSD, dmesg is in sbin
# http://forge.fusioninventory.org/issues/402
$handle = getFileHandle(command => '/sbin/dmesg', logger => $logger);
}
if ($handle) {
$result = _matchPatterns($handle);
close $handle;
return $result if $result;
}
# scsi
if (-f '/proc/scsi/scsi') {
my $handle = getFileHandle(
file => '/proc/scsi/scsi',
logger => $logger
);
$result = _matchPatterns($handle);
close $handle;
}
return $result if $result;
if (getFirstMatch(
file => '/proc/1/environ',
pattern => qr/container=lxc/
)) {
return 'lxc';
}
# OpenVZ
if (-f '/proc/self/status') {
my $handle = getFileHandle(
file => '/proc/self/status',
logger => $logger
);
while (my $line = <$handle>) {
my ($key, $value) = split(/:/, $line);
$result = "Virtuozzo" if $key eq 'envID' && $value > 0;
}
}
return $result if $result;
return 'Physical';
}
sub _assemblePatterns {
my (@patterns) = @_;
my $pattern = '(?:' . join('|', @patterns) . ')';
return qr/$pattern/;
}
sub _matchPatterns {
my ($handle) = @_;
while (my $line = <$handle>) {
return 'VMware' if $line =~ $vmware_pattern;
return 'QEMU' if $line =~ $qemu_pattern;
return 'Virtual Machine' if $line =~ $virtual_machine_pattern;
return 'VirtualBox' if $line =~ $virtualbox_pattern;
return 'Xen' if $line =~ $xen_pattern;
}
}
1;