/usr/share/fusioninventory/lib/FusionInventory/Agent/Task/Inventory/Virtualization/Lxc.pm is in fusioninventory-agent 1:2.3.10.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | package FusionInventory::Agent::Task::Inventory::Virtualization::Lxc;
# Authors: Egor Shornikov <se@wbr.su>, Egor Morozov <akrus@flygroup.st>
# License: GPLv2+
use strict;
use warnings;
use FusionInventory::Agent::Tools;
sub isEnabled {
return canRun('lxc-ls');
}
sub doInventory {
my (%params) = @_;
my $inventory = $params{inventory};
my $logger = $params{logger};
my @machines = _getVirtualMachines(
command => '/usr/bin/lxc-ls -1',
logger => $logger
);
foreach my $machine (@machines) {
$inventory->addEntry(
section => 'VIRTUALMACHINES', entry => $machine
);
}
}
sub _getVirtualMachineState {
my (%params) = @_;
my $handle = getFileHandle(%params);
return unless $handle;
my %info;
while (my $line = <$handle>){
chomp $line;
next unless $line =~ m/^(\S+):\s*(\S+)$/;
$info{lc($1)} = $2;
}
close $handle;
my $state;
$state->{VMID} = $info{pid};
$state->{STATUS} =
$info{state} eq 'RUNNING' ? 'running' :
$info{state} eq 'FROZEN' ? 'paused' :
$info{state} eq 'STOPPED' ? 'off' :
$info{state};
return $state;
}
sub _getVirtualMachineConfig {
my (%params) = @_;
my $handle = getFileHandle(%params);
return unless $handle;
my $config = {
VCPU => 0
};
while (my $line = <$handle>) {
chomp $line;
next if $line =~ /^#.*/;
next unless $line =~ m/^\s*(\S+)\s*=\s*(\S+)\s*$/;
my $key = $1;
my $val = $2;
if ($key eq 'lxc.network.hwaddr') {
$config->{MAC} = $val;
}
if ($key eq 'lxc.cgroup.memory.limit_in_bytes') {
$config->{MEMORY} = $val;
}
if ($key eq 'lxc.cgroup.cpuset.cpus') {
###eg: lxc.cgroup.cpuset.cpus = 0,3-5,7,2,1
foreach my $cpu ( split( /,/, $val ) ){
if ( $cpu =~ /(\d+)-(\d+)/ ){
my @tmp = ($1..$2);
$config->{VCPU} += $#tmp + 1;
} else {
$config->{VCPU} += 1;
}
}
}
}
close $handle;
return $config;
}
sub _getVirtualMachines {
my (%params) = @_;
my $handle = getFileHandle(%params);
return unless $handle;
my @machines;
while(my $line = <$handle>) {
chomp $line;
next unless $line =~ m/^(\S+)$/;
my $name = $1;
my $state = _getVirtualMachineState(
command => "/usr/bin/lxc-info -n $name",
logger => $params{logger}
);
my $config = _getVirtualMachineConfig(
file => "/var/lib/lxc/$name/config",
logger => $params{logger}
);
push @machines, {
NAME => $name,
VMTYPE => 'LXC',
VMID => $state->{VMID},
STATUS => $state->{STATUS},
VCPU => $config->{VCPU},
MEMORY => $config->{MEMORY},
};
}
close $handle;
return @machines;
}
1;
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