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From: Alexandre Derumier <aderumier@odiso.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH pve-network 5/7] zones: vlan: add dhcp support
Date: Tue, 19 Dec 2023 09:32:14 +0100	[thread overview]
Message-ID: <20231219083216.2551645-6-aderumier@odiso.com> (raw)
In-Reply-To: <20231219083216.2551645-1-aderumier@odiso.com>

add gateway ip to vnet and force /32 for ipv4 to avoid
arp problem, and disable forwarding by security

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
---
 src/PVE/Network/SDN/Zones/VlanPlugin.pm       | 33 +++++++++++++++++++
 .../zones/vlan/dhcp/expected_sdn_interfaces   | 27 +++++++++++++++
 src/test/zones/vlan/dhcp/interfaces           |  5 +++
 src/test/zones/vlan/dhcp/sdn_config           | 27 +++++++++++++++
 .../zones/vlan/nodhcp/expected_sdn_interfaces | 23 +++++++++++++
 src/test/zones/vlan/nodhcp/interfaces         |  5 +++
 src/test/zones/vlan/nodhcp/sdn_config         | 27 +++++++++++++++
 7 files changed, 147 insertions(+)
 create mode 100644 src/test/zones/vlan/dhcp/expected_sdn_interfaces
 create mode 100644 src/test/zones/vlan/dhcp/interfaces
 create mode 100644 src/test/zones/vlan/dhcp/sdn_config
 create mode 100644 src/test/zones/vlan/nodhcp/expected_sdn_interfaces
 create mode 100644 src/test/zones/vlan/nodhcp/interfaces
 create mode 100644 src/test/zones/vlan/nodhcp/sdn_config

diff --git a/src/PVE/Network/SDN/Zones/VlanPlugin.pm b/src/PVE/Network/SDN/Zones/VlanPlugin.pm
index 6a68e8d..2fa0480 100644
--- a/src/PVE/Network/SDN/Zones/VlanPlugin.pm
+++ b/src/PVE/Network/SDN/Zones/VlanPlugin.pm
@@ -43,6 +43,7 @@ sub options {
 	reversedns => { optional => 1 },
 	dnszone => { optional => 1 },
 	ipam => { optional => 1 },
+	dhcp => { optional => 1 },
     };
 }
 
@@ -51,6 +52,8 @@ sub generate_sdn_config {
     my ($class, $plugin_config, $zoneid, $vnetid, $vnet, $controller, $controller_cfg, $subnet_cfg, $interfaces_config, $config) = @_;
 
     my $bridge = $plugin_config->{bridge};
+    my $dhcp = $plugin_config->{dhcp};
+
     PVE::Network::SDN::Zones::Plugin::find_bridge($bridge);
 
     my $vlan_aware = PVE::Network::SDN::Zones::Plugin::is_vlanaware($bridge);
@@ -120,8 +123,36 @@ sub generate_sdn_config {
 	push(@{$config->{$bridgevlan}}, @iface_config) if !$config->{$bridgevlan};
     }
 
+
     #vnet bridge
     @iface_config = ();
+
+    my $disable_forward_v4 = undef;
+    my $disable_forward_v6 = undef;
+
+    if ($dhcp) {
+	my $address = {};
+	my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid, 1);
+
+	foreach my $subnetid (sort keys %{$subnets}) {
+	    my $subnet = $subnets->{$subnetid};
+	    my $gateway = $subnet->{gateway};
+	    if ($gateway) {
+
+		my $mask = $subnet->{mask};
+		if (Net::IP::ip_is_ipv6($gateway)) {
+		    $disable_forward_v6 = 1;
+		} else {
+		    $mask = '32';
+		    $disable_forward_v4 = 1;
+		}
+
+		push @iface_config, "address $gateway/$mask" if !defined($address->{$gateway});
+		$address->{$gateway} = 1;
+	    }
+	}
+    }
+
     push @iface_config, "bridge_ports $vnet_uplink";
     push @iface_config, "bridge_stp off";
     push @iface_config, "bridge_fd 0";
@@ -131,6 +162,8 @@ sub generate_sdn_config {
     }
     push @iface_config, "mtu $mtu" if $mtu;
     push @iface_config, "alias $alias" if $alias;
+    push @iface_config, "ip-forward off" if $disable_forward_v4;
+    push @iface_config, "ip6-forward off" if $disable_forward_v6;
     push(@{$config->{$vnetid}}, @iface_config) if !$config->{$vnetid};
 
     return $config;
diff --git a/src/test/zones/vlan/dhcp/expected_sdn_interfaces b/src/test/zones/vlan/dhcp/expected_sdn_interfaces
new file mode 100644
index 0000000..89e0d4a
--- /dev/null
+++ b/src/test/zones/vlan/dhcp/expected_sdn_interfaces
@@ -0,0 +1,27 @@
+#version:1
+
+auto ln_myvnet
+iface ln_myvnet
+	link-type veth
+	veth-peer-name pr_myvnet
+
+auto myvnet
+iface myvnet
+	address 192.168.0.1/32
+	address 2a08:2142:302:3::1/64
+	bridge_ports ln_myvnet
+	bridge_stp off
+	bridge_fd 0
+	ip-forward off
+	ip6-forward off
+
+auto pr_myvnet
+iface pr_myvnet
+	link-type veth
+	veth-peer-name ln_myvnet
+
+auto vmbr0v100
+iface vmbr0v100
+	bridge_ports  eth0.100 pr_myvnet
+	bridge_stp off
+	bridge_fd 0
diff --git a/src/test/zones/vlan/dhcp/interfaces b/src/test/zones/vlan/dhcp/interfaces
new file mode 100644
index 0000000..9eaf6ff
--- /dev/null
+++ b/src/test/zones/vlan/dhcp/interfaces
@@ -0,0 +1,5 @@
+auto vmbr0
+iface vmbr0 inet manual
+        bridge-ports eth0
+        bridge-stp off
+        bridge-fd 0
\ No newline at end of file
diff --git a/src/test/zones/vlan/dhcp/sdn_config b/src/test/zones/vlan/dhcp/sdn_config
new file mode 100644
index 0000000..024ffa9
--- /dev/null
+++ b/src/test/zones/vlan/dhcp/sdn_config
@@ -0,0 +1,27 @@
+{
+  version => 1,
+  vnets   => {
+               ids => {
+                        myvnet => { type => "vnet", zone => "myzone", tag => 100 },
+                      },
+             },
+  zones   => {
+               ids => { myzone => { bridge => "vmbr0", ipam => "pve", type => "vlan", dhcp => "dnsmasq" } },
+             },
+  subnets => {
+		ids => {
+			'myzone-192.168.0.0-24' => {
+							'type' => 'subnet',
+							'vnet' => 'myvnet',
+							'gateway' => '192.168.0.1',
+						},
+			'myzone-2a08:2142:302:3::-64' => {
+							'type' => 'subnet',
+							'vnet' => 'myvnet',
+							'gateway' => '2a08:2142:302:3::1',
+							}
+		}
+             }
+}
+
+
diff --git a/src/test/zones/vlan/nodhcp/expected_sdn_interfaces b/src/test/zones/vlan/nodhcp/expected_sdn_interfaces
new file mode 100644
index 0000000..f9e96d1
--- /dev/null
+++ b/src/test/zones/vlan/nodhcp/expected_sdn_interfaces
@@ -0,0 +1,23 @@
+#version:1
+
+auto ln_myvnet
+iface ln_myvnet
+	link-type veth
+	veth-peer-name pr_myvnet
+
+auto myvnet
+iface myvnet
+	bridge_ports ln_myvnet
+	bridge_stp off
+	bridge_fd 0
+
+auto pr_myvnet
+iface pr_myvnet
+	link-type veth
+	veth-peer-name ln_myvnet
+
+auto vmbr0v100
+iface vmbr0v100
+	bridge_ports  eth0.100 pr_myvnet
+	bridge_stp off
+	bridge_fd 0
diff --git a/src/test/zones/vlan/nodhcp/interfaces b/src/test/zones/vlan/nodhcp/interfaces
new file mode 100644
index 0000000..9eaf6ff
--- /dev/null
+++ b/src/test/zones/vlan/nodhcp/interfaces
@@ -0,0 +1,5 @@
+auto vmbr0
+iface vmbr0 inet manual
+        bridge-ports eth0
+        bridge-stp off
+        bridge-fd 0
\ No newline at end of file
diff --git a/src/test/zones/vlan/nodhcp/sdn_config b/src/test/zones/vlan/nodhcp/sdn_config
new file mode 100644
index 0000000..e47eac8
--- /dev/null
+++ b/src/test/zones/vlan/nodhcp/sdn_config
@@ -0,0 +1,27 @@
+{
+  version => 1,
+  vnets   => {
+               ids => {
+                        myvnet => { type => "vnet", zone => "myzone", tag => 100 },
+                      },
+             },
+  zones   => {
+               ids => { myzone => { bridge => "vmbr0", ipam => "pve", type => "vlan" } },
+             },
+  subnets => {
+		ids => {
+			'myzone-192.168.0.0-24' => {
+							'type' => 'subnet',
+							'vnet' => 'myvnet',
+							'gateway' => '192.168.0.1',
+						},
+			'myzone-2a08:2142:302:3::-64' => {
+							'type' => 'subnet',
+							'vnet' => 'myvnet',
+							'gateway' => '2a08:2142:302:3::1',
+							}
+		}
+             }
+}
+
+
-- 
2.39.2




  parent reply	other threads:[~2023-12-19  8:32 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-19  8:32 [pve-devel] [PATCH pve-network 0/7] add dhcp support for all zones Alexandre Derumier
2023-12-19  8:32 ` [pve-devel] [PATCH pve-network 1/7] dhcp: add vrf support Alexandre Derumier
2023-12-19  8:32 ` [pve-devel] [PATCH pve-network 2/7] dhcp: enable-ra on layer3 zones only Alexandre Derumier
2023-12-19  8:32 ` [pve-devel] [PATCH pve-network 3/7] dnsmasq service: run service in vrf Alexandre Derumier
2023-12-19  8:32 ` [pve-devel] [PATCH pve-network 4/7] zones: evpn: add dhcp support Alexandre Derumier
2023-12-19  8:32 ` Alexandre Derumier [this message]
2023-12-19  8:32 ` [pve-devel] [PATCH pve-network 6/7] zones: qinq: " Alexandre Derumier
2023-12-19  8:32 ` [pve-devel] [PATCH pve-network 7/7] zones: vxlan: " Alexandre Derumier
2023-12-22 14:01 ` [pve-devel] [PATCH pve-network 0/7] add dhcp support for all zones Stefan Hanreich
2023-12-22 21:27   ` DERUMIER, Alexandre
2024-02-22 10:13     ` Stefan Hanreich
     [not found]       ` <6c7a0c383c6aee77689433815775e27f5259da91.camel@groupe-cyllene.com>
2024-02-22 10:52         ` Stefan Hanreich

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