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Xen.pm
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Xen.pm
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package FusionInventory::Agent::Task::Inventory::Virtualization::Xen;
use strict;
use warnings;
use FusionInventory::Agent::Tools;
our $runMeIfTheseChecksFailed = ["FusionInventory::Agent::Task::Inventory::Virtualization::Libvirt"];
sub isEnabled {
return canRun('xm');
}
sub doInventory {
my (%params) = @_;
my $inventory = $params{inventory};
my $logger = $params{logger};
my $command = 'xm list';
foreach my $machine (_getVirtualMachines(command => $command, logger => $logger)) {
my $uuid = _getUUID(
command => "xm list -l $machine->{NAME}",
logger => $logger
);
$machine->{UUID} = $uuid;
$inventory->addEntry(
section => 'VIRTUALMACHINES', entry => $machine
);
}
}
sub _getUUID {
my (%params) = @_;
return getFirstMatch(
pattern => qr/\( uuid \s ([^)]+) \)/x,
%params
);
}
sub _getVirtualMachines {
my $handle = getFileHandle(@_);
return unless $handle;
# xm status
my %status_list = (
'r' => 'running',
'b' => 'blocked',
'p' => 'paused',
's' => 'shutdown',
'c' => 'crashed',
'd' => 'dying',
);
# drop headers
my $line = <$handle>;
my @machines;
while (my $line = <$handle>) {
chomp $line;
my ($name, $vmid, $memory, $vcpu, $status) = split(' ', $line);
next if $name eq 'Domain-0';
next if $vmid == 0;
$status =~ s/-//g;
$status = $status ? $status_list{$status} : 'off';
my $machine = {
MEMORY => $memory,
NAME => $name,
STATUS => $status,
SUBSYSTEM => 'xm',
VMTYPE => 'xen',
VCPU => $vcpu,
};
push @machines, $machine;
}
close $handle;
return @machines;
}
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