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package PVE::Network::SDN::Ipams;
use strict;
use warnings;
use JSON;
use Net::IP;
use PVE::Tools qw(extract_param dir_glob_regex run_command);
use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
use PVE::Network;
use PVE::Network::SDN::Ipams::PVEPlugin;
use PVE::Network::SDN::Ipams::NetboxPlugin;
use PVE::Network::SDN::Ipams::PhpIpamPlugin;
use PVE::Network::SDN::Ipams::Plugin;
PVE::Network::SDN::Ipams::PVEPlugin->register();
PVE::Network::SDN::Ipams::NetboxPlugin->register();
PVE::Network::SDN::Ipams::PhpIpamPlugin->register();
PVE::Network::SDN::Ipams::Plugin->init();
my $macdb_filename = "sdn/mac-cache.json";
my $macdb_filename_legacy = 'priv/macs.db';
cfs_register_file(
$macdb_filename,
sub {
my ($filename, $data) = @_;
if (defined($data)) {
return json_reader($filename, $data);
} else {
# TODO: remove legacy cache file handling with PVE 9+ after ensuring all call sites got
# switched over.
return cfs_read_file($macdb_filename_legacy);
}
},
sub {
my ($filename, $data) = @_;
# TODO: remove below with PVE 9+, add a pve8to9 check to allow doing so.
if (-e $macdb_filename_legacy && -e $macdb_filename) {
# only clean-up if we succeeded to write the new path at least once
unlink $macdb_filename_legacy
or $!{ENOENT}
or warn "failed to unlink legacy MAC cache - $!\n";
}
return json_writer->($filename, $data);
},
);
# drop reading $macdb_filename_legacy with PVE 9+ - for now do not write it anymore.
cfs_register_file($macdb_filename_legacy, \&json_reader, undef);
sub json_reader {
my ($filename, $data) = @_;
return defined($data) && length($data) > 0 ? decode_json($data) : {};
}
sub json_writer {
my ($filename, $data) = @_;
return encode_json($data);
}
sub read_macdb {
my () = @_;
return cfs_read_file($macdb_filename);
}
sub write_macdb {
my ($data) = @_;
cfs_write_file($macdb_filename, $data);
}
sub add_cache_mac_ip {
my ($mac, $ip) = @_;
cfs_lock_file(
$macdb_filename,
undef,
sub {
my $db = read_macdb();
if (Net::IP::ip_is_ipv4($ip)) {
$db->{macs}->{$mac}->{ip4} = $ip;
} else {
$db->{macs}->{$mac}->{ip6} = $ip;
}
write_macdb($db);
},
);
warn "$@" if $@;
}
sub del_cache_mac_ip {
my ($mac, $ip) = @_;
cfs_lock_file(
$macdb_filename,
undef,
sub {
my $db = read_macdb();
if (Net::IP::ip_is_ipv4($ip)) {
delete $db->{macs}->{$mac}->{ip4};
} else {
delete $db->{macs}->{$mac}->{ip6};
}
delete $db->{macs}->{$mac}
if !defined($db->{macs}->{$mac}->{ip4}) && !defined($db->{macs}->{$mac}->{ip6});
write_macdb($db);
},
);
warn "$@" if $@;
}
sub sdn_ipams_config {
my ($cfg, $id, $noerr) = @_;
die "no sdn ipam ID specified\n" if !$id;
my $scfg = $cfg->{ids}->{$id};
die "sdn '$id' does not exist\n" if (!$noerr && !$scfg);
return $scfg;
}
sub config {
my $config = cfs_read_file("sdn/ipams.cfg");
#add default internal pve
$config->{ids}->{pve}->{type} = 'pve';
return $config;
}
sub get_plugin_config {
my ($zone) = @_;
my $ipamid = $zone->{ipam};
my $ipam_cfg = PVE::Network::SDN::Ipams::config();
return $ipam_cfg->{ids}->{$ipamid};
}
sub write_config {
my ($cfg) = @_;
cfs_write_file("sdn/ipams.cfg", $cfg);
}
sub sdn_ipams_ids {
my ($cfg) = @_;
return keys %{ $cfg->{ids} };
}
sub complete_sdn_vnet {
my ($cmdname, $pname, $cvalue) = @_;
my $cfg = PVE::Network::SDN::Ipams::config();
return $cmdname eq 'add' ? [] : [PVE::Network::SDN::Vnets::sdn_ipams_ids($cfg)];
}
sub get_ips_from_mac {
my ($mac, $zoneid, $zone) = @_;
my $macdb = read_macdb();
return ($macdb->{macs}->{$mac}->{ip4}, $macdb->{macs}->{$mac}->{ip6}) if $macdb->{macs}->{$mac};
my $plugin_config = get_plugin_config($zone);
my $plugin = PVE::Network::SDN::Ipams::Plugin->lookup($plugin_config->{type});
($macdb->{macs}->{$mac}->{ip4}, $macdb->{macs}->{$mac}->{ip6}) =
$plugin->get_ips_from_mac($plugin_config, $mac, $zoneid);
write_macdb($macdb);
return ($macdb->{macs}->{$mac}->{ip4}, $macdb->{macs}->{$mac}->{ip6});
}
1;
|
