/
Storages.pm
145 lines (121 loc) · 4.37 KB
/
Storages.pm
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package FusionInventory::Agent::Task::Inventory::Input::Linux::Storages;
use strict;
use warnings;
use English qw(-no_match_vars);
use FusionInventory::Agent::Tools;
use FusionInventory::Agent::Tools::Linux;
sub isEnabled {
return 1;
}
sub doInventory {
my (%params) = @_;
my $inventory = $params{inventory};
my $logger = $params{logger};
my @devices;
# get informations from hal first, if available
if (canRun('lshal')) {
@devices = getDevicesFromHal(logger => $logger);
}
# index devices by name for comparaison
my %devices = map { $_->{NAME} => $_ } @devices;
# complete with udev for missing bits
foreach my $device (getDevicesFromUdev(logger => $logger)) {
my $name = $device->{NAME};
foreach my $key (keys %$device) {
$devices{$name}->{$key} = $device->{$key}
if !$devices{$name}->{$key};
}
}
# fallback on sysfs if /dev/.udev is not available. That's the
# case on any up to date Linux system
if (!@devices) {
@devices = getDevicesFromProc(logger => $logger);
}
# get serial & firmware numbers from hdparm, if available
if (_correctHdparmAvailable()) {
foreach my $device (@devices) {
if (!$device->{SERIALNUMBER} || !$device->{FIRMWARE}) {
my $handle = getFileHandle(
command => "hdparm -I /dev/$device->{NAME}",
logger => $logger
);
next unless $handle;
while (my $line = <$handle>) {
if ($line =~ /^\s+Serial Number\s*:\s*(.+)/i) {
my $value = $1;
$value =~ s/\s+$//;
$device->{SERIALNUMBER} = $value
if !$device->{SERIALNUMBER};
next;
} elsif ($line =~ /^\s+Firmware Revision\s*:\s*(.+)/i) {
my $value = $1;
$value =~ s/\s+$//;
$device->{FIRMWARE} = $value
if !$device->{FIRMWARE};
next;
} elsif ($line =~ /^\s*Transport:.*(SCSI|SATA|USB)/) {
$device->{DESCRIPTION} = $1;
} elsif ($line =~ /^\s*Model Number:\s*(.*?)\s*$/) {
$device->{MODEL} = $1;
} elsif ($line =~ /Logical Unit WWN Device Identifier:\s*(.*?)\s*$/) {
$device->{WWN} = $1;
}
}
close $handle;
}
}
}
foreach my $device (@devices) {
if (!$device->{DESCRIPTION}) {
$device->{DESCRIPTION} = _getDescription(
$device->{NAME},
$device->{MANUFACTURER},
$device->{DESCRIPTION},
$device->{SERIALNUMBER}
);
}
if (!$device->{MANUFACTURER} or $device->{MANUFACTURER} eq 'ATA') {
$device->{MANUFACTURER} = getCanonicalManufacturer(
$device->{MODEL}
);
}
if ($device->{DISKSIZE} && $device->{TYPE} =~ /^cd/) {
$device->{DISKSIZE} = getDeviceCapacity(device => '/dev/' . $device->{NAME});
}
$inventory->addEntry(section => 'STORAGES', entry => $device);
}
}
sub _getDescription {
my ($name, $manufacturer, $description, $serialnumber) = @_;
# detected as USB by udev
# TODO maybe we should trust udev detection by default?
return "USB" if ($description && $description =~ /usb/i);
if ($name =~ /^s/) { # /dev/sd* are SCSI _OR_ SATA
if (
($manufacturer && $manufacturer =~ /ATA/) ||
($serialnumber && $serialnumber =~ /ATA/) ||
($description && $description =~ /ATA/)
) {
return "SATA";
} else {
return "SCSI";
}
} elsif ($name =~ /^vd/) {
return "Virtual";
} else {
return "IDE";
}
}
# some hdparm release generated kernel error if they are
# run on CDROM device
# http://forums.ocsinventory-ng.org/viewtopic.php?pid=20810
sub _correctHdparmAvailable {
return unless canRun('hdparm');
my ($major, $minor) = getFirstMatch(
command => 'hdparm -V',
pattern => qr/^hdparm v(\d+)\.(\d+)/
);
# we need at least version 9.15
return compareVersion($major, $minor, 9, 15);
}
1;