[pve-devel] [PATCH v4 pve-container 27/33] nic hotplug : add|del ips in ipam

[Stefan Hanreich <s.hanreich@proxmox.com>]

From: Alexandre Derumier <aderumier@odiso.com>

Co-Authored-by: Stefan Hanreich <s.hanreich@proxmox.com>
Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
---
 src/PVE/LXC.pm        | 17 +++++++++++++++++
 src/PVE/LXC/Config.pm | 12 ++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm
index 8f53b53..b6df6d6 100644
--- a/src/PVE/LXC.pm
+++ b/src/PVE/LXC.pm
@@ -961,6 +961,12 @@ sub update_net {
 	    safe_string_ne($oldnet->{name}, $newnet->{name})) {
 
 	    PVE::Network::veth_delete($veth);
+
+	    if ($have_sdn) {
+		eval { PVE::Network::SDN::Vnets::del_ips_from_mac($oldnet->{bridge}, $oldnet->{hwaddr}, $conf->{hostname}) };
+		warn $@ if $@;
+	    }
+
 	    delete $conf->{$opt};
 	    PVE::LXC::Config->write_config($vmid, $conf);
 
@@ -974,14 +980,23 @@ sub update_net {
 	    ) {
 
 		if ($oldnet->{bridge}) {
+
 		    PVE::Network::tap_unplug($veth);
 		    foreach (qw(bridge tag firewall)) {
 			delete $oldnet->{$_};
 		    }
 		    $conf->{$opt} = PVE::LXC::Config->print_lxc_network($oldnet);
 		    PVE::LXC::Config->write_config($vmid, $conf);
+
+		    if ($have_sdn) {
+			eval { PVE::Network::SDN::Vnets::del_ips_from_mac($oldnet->{bridge}, $oldnet->{hwaddr}, $conf->{hostname}) };
+			warn $@ if $@;
+		    }
 		}
 
+		if ($have_sdn) {
+		    PVE::Network::SDN::Vnets::add_next_free_cidr($newnet->{bridge}, $conf->{hostname}, $newnet->{hwaddr}, $vmid, undef, 1);
+		}
 		PVE::LXC::net_tap_plug($veth, $newnet);
 
 		# This includes the rate:
@@ -1012,6 +1027,8 @@ sub hotplug_net {
     my $eth = $newnet->{name};
 
     if ($have_sdn) {
+	PVE::Network::SDN::Vnets::add_next_free_cidr($newnet->{bridge}, $conf->{hostname}, $newnet->{hwaddr}, $vmid, undef, 1);
+	PVE::Network::SDN::Vnets::add_dhcp_mapping($newnet->{bridge}, $newnet->{hwaddr});
 	PVE::Network::SDN::Zones::veth_create($veth, $vethpeer, $newnet->{bridge}, $newnet->{hwaddr});
     } else {
 	PVE::Network::veth_create($veth, $vethpeer, $newnet->{bridge}, $newnet->{hwaddr});
diff --git a/src/PVE/LXC/Config.pm b/src/PVE/LXC/Config.pm
index 56e1f10..c884313 100644
--- a/src/PVE/LXC/Config.pm
+++ b/src/PVE/LXC/Config.pm
@@ -22,6 +22,12 @@ use constant {
     FITHAW   => 0xc0045878,
 };
 
+my $have_sdn;
+eval {
+    require PVE::Network::SDN::Vnets;
+    $have_sdn = 1;
+};
+
 my $nodename = PVE::INotify::nodename();
 my $lock_handles =  {};
 my $lockdir = "/run/lock/lxc";
@@ -1383,6 +1389,12 @@ sub vmconfig_hotplug_pending {
 	    } elsif ($opt =~ m/^net(\d)$/) {
 		my $netid = $1;
 		PVE::Network::veth_delete("veth${vmid}i$netid");
+		if ($have_sdn) {
+		    my $net = PVE::LXC::Config->parse_lxc_network($conf->{$opt});
+		    print "delete ips from $opt\n";
+		    eval { PVE::Network::SDN::Vnets::del_ips_from_mac($net->{bridge}, $net->{hwaddr}, $conf->{hostname}) };
+		    warn $@ if $@;
+		}
 	    } else {
 		die "skip\n"; # skip non-hotpluggable opts
 	    }
-- 
2.39.2