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From: Stefan Hanreich <s.hanreich@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Wed, 22 Nov 2023 13:29:50 +0100
Message-Id: <20231122122951.215905-1-s.hanreich@proxmox.com>
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Subject: [pve-devel] [PATCH pve-network] ipam: improve update / delete
 behavior
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Currently when updating or deleting a mapping in the IPAM we would
delete all existing entries in the IPAM with that mac address. Now we
only delete the specific entry we are updating / deleting.

Signed-off-by: Stefan Hanreich <s.hanreich@proxmox.com>
---
 src/PVE/API2/Network/SDN/Ips.pm | 20 +++++++++++++-------
 src/PVE/Network/SDN/Subnets.pm  |  3 +++
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/PVE/API2/Network/SDN/Ips.pm b/src/PVE/API2/Network/SDN/Ips.pm
index 6989b9b..0003b2a 100644
--- a/src/PVE/API2/Network/SDN/Ips.pm
+++ b/src/PVE/API2/Network/SDN/Ips.pm
@@ -28,6 +28,11 @@ __PACKAGE__->register_method ({
 	    zone => get_standard_option('pve-sdn-zone-id'),
 	    vnet => get_standard_option('pve-sdn-vnet-id'),
 	    mac => get_standard_option('mac-addr'),
+	    ip => {
+		type => 'string',
+		format => 'ip',
+		description => 'The IP address to delete',
+	    },
 	},
     },
     returns => { type => 'null' },
@@ -36,13 +41,12 @@ __PACKAGE__->register_method ({
 
 	my $vnet = extract_param($param, 'vnet');
 	my $mac = extract_param($param, 'mac');
+	my $ip = extract_param($param, 'ip');
 
 	eval {
-	    PVE::Network::SDN::Vnets::del_ips_from_mac($vnet, $mac);
+	    PVE::Network::SDN::Vnets::del_ip($vnet, $ip, '', $mac);
 	};
-	my $error = $@;
-
-	die "$error\n" if $error;
+	die "$@\n" if $@;
 
 	return undef;
     },
@@ -117,7 +121,10 @@ __PACKAGE__->register_method ({
 	my $vmid = extract_param($param, 'vmid');
 	my $ip = extract_param($param, 'ip');
 
-	my ($old_ip4, $old_ip6) = PVE::Network::SDN::Vnets::del_ips_from_mac($vnet, $mac, '');
+	my ($old_ip4, $old_ip6) = PVE::Network::SDN::Vnets::get_ips_from_mac($vnet, $mac);
+	my $old_ip = (Net::IP::ip_get_version($ip) == 4) ? $old_ip4 : $old_ip6;
+
+	PVE::Network::SDN::Vnets::del_ip($vnet, $old_ip, '', $mac);
 
 	eval {
 	    PVE::Network::SDN::Vnets::add_ip($vnet, $ip, '', $mac, $vmid);
@@ -125,8 +132,7 @@ __PACKAGE__->register_method ({
 	my $error = $@;
 
 	if ($error) {
-	    PVE::Network::SDN::Vnets::add_ip($vnet, $old_ip4, '', $mac, $vmid) if $old_ip4;
-	    PVE::Network::SDN::Vnets::add_ip($vnet, $old_ip6, '', $mac, $vmid) if $old_ip6;
+	    PVE::Network::SDN::Vnets::add_ip($vnet, $old_ip, '', $mac, $vmid);
 	}
 
 	die "$error\n" if $error;
diff --git a/src/PVE/Network/SDN/Subnets.pm b/src/PVE/Network/SDN/Subnets.pm
index 8e2a6aa..8f113b4 100644
--- a/src/PVE/Network/SDN/Subnets.pm
+++ b/src/PVE/Network/SDN/Subnets.pm
@@ -305,6 +305,9 @@ sub add_ip {
 	    $plugin->add_ip($plugin_config, $subnetid, $subnet, $ip, $hostname, $mac, $vmid, $is_gateway);
 	};
 	die $@ if $@;
+
+	eval { PVE::Network::SDN::Ipams::add_cache_mac_ip($mac, $ip) if $mac; };
+	warn $@ if $@;
     }
 
     eval {
-- 
2.39.2