[pve-devel] [PATCH v2 pve-network 4/5] zones: evpn: fix arp-accept && ip-forward + ipv6 snat
Alexandre Derumier
aderumier at odiso.com
Wed Apr 21 22:55:48 CEST 2021
they were lost during subnet work
Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
PVE/Network/SDN/Zones/EvpnPlugin.pm | 29 +++++++++---
test/zones/evpn/ebgp/expected_sdn_interfaces | 2 +
.../ebgp_loopback/expected_sdn_interfaces | 2 +
.../evpn/exitnode/expected_sdn_interfaces | 2 +
.../exitnode_snat/expected_sdn_interfaces | 25 +++++++++++
test/zones/evpn/exitnode_snat/sdn_config | 12 ++++-
test/zones/evpn/ipv4/expected_sdn_interfaces | 2 +
.../evpn/ipv4ipv6/expected_controller_config | 31 +++++++++++++
.../evpn/ipv4ipv6/expected_sdn_interfaces | 44 +++++++++++++++++++
test/zones/evpn/ipv4ipv6/interfaces | 7 +++
test/zones/evpn/ipv4ipv6/sdn_config | 32 ++++++++++++++
.../evpn/ipv6/expected_controller_config | 31 +++++++++++++
test/zones/evpn/ipv6/expected_sdn_interfaces | 42 ++++++++++++++++++
test/zones/evpn/ipv6/interfaces | 7 +++
test/zones/evpn/ipv6/sdn_config | 27 ++++++++++++
15 files changed, 286 insertions(+), 9 deletions(-)
create mode 100644 test/zones/evpn/ipv4ipv6/expected_controller_config
create mode 100644 test/zones/evpn/ipv4ipv6/expected_sdn_interfaces
create mode 100644 test/zones/evpn/ipv4ipv6/interfaces
create mode 100644 test/zones/evpn/ipv4ipv6/sdn_config
create mode 100644 test/zones/evpn/ipv6/expected_controller_config
create mode 100644 test/zones/evpn/ipv6/expected_sdn_interfaces
create mode 100644 test/zones/evpn/ipv6/interfaces
create mode 100644 test/zones/evpn/ipv6/sdn_config
diff --git a/PVE/Network/SDN/Zones/EvpnPlugin.pm b/PVE/Network/SDN/Zones/EvpnPlugin.pm
index d68d3ee..8d5250c 100644
--- a/PVE/Network/SDN/Zones/EvpnPlugin.pm
+++ b/PVE/Network/SDN/Zones/EvpnPlugin.pm
@@ -9,6 +9,7 @@ use PVE::Tools qw($IPV4RE);
use PVE::INotify;
use PVE::Cluster;
use PVE::Tools;
+use Net::IP;
use PVE::Network::SDN::Controllers::EvpnPlugin;
@@ -59,8 +60,6 @@ sub generate_sdn_config {
my $tag = $vnet->{tag};
my $alias = $vnet->{alias};
- my $ipv4 = $vnet->{ipv4};
- my $ipv6 = $vnet->{ipv6};
my $mac = $plugin_config->{'mac'};
my $vrf_iface = "vrf_$zoneid";
@@ -95,6 +94,8 @@ sub generate_sdn_config {
@iface_config = ();
my $address = {};
+ my $ipv4 = undef;
+ my $ipv6 = undef;
my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid, 1);
foreach my $subnetid (sort keys %{$subnets}) {
my $subnet = $subnets->{$subnetid};
@@ -107,19 +108,33 @@ sub generate_sdn_config {
$address->{$gateway} = 1;
}
+ my $iptables = undef;
+ my $checkrouteip = undef;
+ my $ipversion = Net::IP::ip_is_ipv6($gateway) ? 6 : 4;
+
+ if ($ipversion == 6) {
+ $ipv6 = 1;
+ $iptables = "ip6tables";
+ $checkrouteip = '2001:4860:4860::8888';
+ } else {
+ $ipv4 = 1;
+ $iptables = "iptables";
+ $checkrouteip = '8.8.8.8';
+ }
+
if ($subnet->{snat}) {
my $is_evpn_gateway = $plugin_config->{'exitnodes'}->{$local_node};
#find outgoing interface
- my ($outip, $outiface) = PVE::Network::SDN::Zones::Plugin::get_local_route_ip('8.8.8.8');
+ my ($outip, $outiface) = PVE::Network::SDN::Zones::Plugin::get_local_route_ip($checkrouteip);
if ($outip && $outiface && $is_evpn_gateway) {
#use snat, faster than masquerade
- push @iface_config, "post-up iptables -t nat -A POSTROUTING -s '$cidr' -o $outiface -j SNAT --to-source $outip";
- push @iface_config, "post-down iptables -t nat -D POSTROUTING -s '$cidr' -o $outiface -j SNAT --to-source $outip";
+ push @iface_config, "post-up $iptables -t nat -A POSTROUTING -s '$cidr' -o $outiface -j SNAT --to-source $outip";
+ push @iface_config, "post-down $iptables -t nat -D POSTROUTING -s '$cidr' -o $outiface -j SNAT --to-source $outip";
#add conntrack zone once on outgoing interface
- push @iface_config, "post-up iptables -t raw -I PREROUTING -i fwbr+ -j CT --zone 1";
- push @iface_config, "post-down iptables -t raw -D PREROUTING -i fwbr+ -j CT --zone 1";
+ push @iface_config, "post-up $iptables -t raw -I PREROUTING -i fwbr+ -j CT --zone 1";
+ push @iface_config, "post-down $iptables -t raw -D PREROUTING -i fwbr+ -j CT --zone 1";
}
}
}
diff --git a/test/zones/evpn/ebgp/expected_sdn_interfaces b/test/zones/evpn/ebgp/expected_sdn_interfaces
index 6d2d3b6..4cf13e0 100644
--- a/test/zones/evpn/ebgp/expected_sdn_interfaces
+++ b/test/zones/evpn/ebgp/expected_sdn_interfaces
@@ -7,6 +7,8 @@ iface myvnet
bridge_stp off
bridge_fd 0
mtu 1450
+ ip-forward on
+ arp-accept on
vrf vrf_myzone
auto vrf_myzone
diff --git a/test/zones/evpn/ebgp_loopback/expected_sdn_interfaces b/test/zones/evpn/ebgp_loopback/expected_sdn_interfaces
index 6d2d3b6..4cf13e0 100644
--- a/test/zones/evpn/ebgp_loopback/expected_sdn_interfaces
+++ b/test/zones/evpn/ebgp_loopback/expected_sdn_interfaces
@@ -7,6 +7,8 @@ iface myvnet
bridge_stp off
bridge_fd 0
mtu 1450
+ ip-forward on
+ arp-accept on
vrf vrf_myzone
auto vrf_myzone
diff --git a/test/zones/evpn/exitnode/expected_sdn_interfaces b/test/zones/evpn/exitnode/expected_sdn_interfaces
index 6d2d3b6..4cf13e0 100644
--- a/test/zones/evpn/exitnode/expected_sdn_interfaces
+++ b/test/zones/evpn/exitnode/expected_sdn_interfaces
@@ -7,6 +7,8 @@ iface myvnet
bridge_stp off
bridge_fd 0
mtu 1450
+ ip-forward on
+ arp-accept on
vrf vrf_myzone
auto vrf_myzone
diff --git a/test/zones/evpn/exitnode_snat/expected_sdn_interfaces b/test/zones/evpn/exitnode_snat/expected_sdn_interfaces
index e8093a2..a2a183e 100644
--- a/test/zones/evpn/exitnode_snat/expected_sdn_interfaces
+++ b/test/zones/evpn/exitnode_snat/expected_sdn_interfaces
@@ -11,6 +11,23 @@ iface myvnet
bridge_stp off
bridge_fd 0
mtu 1450
+ ip-forward on
+ arp-accept on
+ vrf vrf_myzone
+
+auto myvnet2
+iface myvnet2
+ address 2a08:2142:302:3::1/64
+ post-up ip6tables -t nat -A POSTROUTING -s '2a08:2142:302:3::/64' -o vmbr0 -j SNAT --to-source 192.168.0.1
+ post-down ip6tables -t nat -D POSTROUTING -s '2a08:2142:302:3::/64' -o vmbr0 -j SNAT --to-source 192.168.0.1
+ post-up ip6tables -t raw -I PREROUTING -i fwbr+ -j CT --zone 1
+ post-down ip6tables -t raw -D PREROUTING -i fwbr+ -j CT --zone 1
+ bridge_ports vxlan_myvnet2
+ bridge_stp off
+ bridge_fd 0
+ mtu 1450
+ ip6-forward on
+ arp-accept on
vrf vrf_myzone
auto vrf_myzone
@@ -41,3 +58,11 @@ iface vxlan_myvnet
bridge-learning off
bridge-arp-nd-suppress on
mtu 1450
+
+auto vxlan_myvnet2
+iface vxlan_myvnet2
+ vxlan-id 200
+ vxlan-local-tunnelip 192.168.0.1
+ bridge-learning off
+ bridge-arp-nd-suppress on
+ mtu 1450
diff --git a/test/zones/evpn/exitnode_snat/sdn_config b/test/zones/evpn/exitnode_snat/sdn_config
index f40e8bd..35cdf5d 100644
--- a/test/zones/evpn/exitnode_snat/sdn_config
+++ b/test/zones/evpn/exitnode_snat/sdn_config
@@ -3,6 +3,7 @@
vnets => {
ids => {
myvnet => { tag => "100", type => "vnet", zone => "myzone" },
+ myvnet2 => { tag => "200", type => "vnet", zone => "myzone" },
},
},
@@ -14,12 +15,19 @@
},
subnets => {
- ids => { 'myzone-10.0.0.0-24' => {
+ ids => {
+ 'myzone-10.0.0.0-24' => {
'type' => 'subnet',
'vnet' => 'myvnet',
'gateway' => '10.0.0.1',
'snat' => 1
- }
+ },
+ 'myzone-2a08:2142:302:3::-64' => {
+ 'type' => 'subnet',
+ 'vnet' => 'myvnet2',
+ 'gateway' => '2a08:2142:302:3::1',
+ 'snat' => 1
+ }
}
}
}
diff --git a/test/zones/evpn/ipv4/expected_sdn_interfaces b/test/zones/evpn/ipv4/expected_sdn_interfaces
index e2d5a75..9d1c64c 100644
--- a/test/zones/evpn/ipv4/expected_sdn_interfaces
+++ b/test/zones/evpn/ipv4/expected_sdn_interfaces
@@ -8,6 +8,8 @@ iface myvnet
bridge_stp off
bridge_fd 0
mtu 1450
+ ip-forward on
+ arp-accept on
vrf vrf_myzone
auto vrf_myzone
diff --git a/test/zones/evpn/ipv4ipv6/expected_controller_config b/test/zones/evpn/ipv4ipv6/expected_controller_config
new file mode 100644
index 0000000..c0ca898
--- /dev/null
+++ b/test/zones/evpn/ipv4ipv6/expected_controller_config
@@ -0,0 +1,31 @@
+log syslog informational
+ip forwarding
+ipv6 forwarding
+frr defaults datacenter
+service integrated-vtysh-config
+hostname localhost
+!
+!
+vrf vrf_myzone
+ vni 1000
+exit-vrf
+!
+router bgp 65000
+ bgp router-id 192.168.0.1
+ no bgp default ipv4-unicast
+ coalesce-time 1000
+ neighbor VTEP peer-group
+ neighbor VTEP remote-as 65000
+ neighbor VTEP bfd
+ neighbor 192.168.0.2 peer-group VTEP
+ neighbor 192.168.0.3 peer-group VTEP
+ !
+ address-family l2vpn evpn
+ neighbor VTEP activate
+ advertise-all-vni
+ exit-address-family
+!
+router bgp 65000 vrf vrf_myzone
+!
+line vty
+!
\ No newline at end of file
diff --git a/test/zones/evpn/ipv4ipv6/expected_sdn_interfaces b/test/zones/evpn/ipv4ipv6/expected_sdn_interfaces
new file mode 100644
index 0000000..7a5d741
--- /dev/null
+++ b/test/zones/evpn/ipv4ipv6/expected_sdn_interfaces
@@ -0,0 +1,44 @@
+#version:1
+
+auto myvnet
+iface myvnet
+ address 10.0.0.1/24
+ address 2a08:2142:302:3::1/64
+ hwaddress A2:1D:CB:1A:C0:8B
+ bridge_ports vxlan_myvnet
+ bridge_stp off
+ bridge_fd 0
+ mtu 1450
+ ip-forward on
+ ip6-forward on
+ arp-accept on
+ vrf vrf_myzone
+
+auto vrf_myzone
+iface vrf_myzone
+ vrf-table auto
+ post-up ip route add vrf vrf_myzone unreachable default metric 4278198272
+
+auto vrfbr_myzone
+iface vrfbr_myzone
+ bridge-ports vrfvx_myzone
+ bridge_stp off
+ bridge_fd 0
+ mtu 1450
+ vrf vrf_myzone
+
+auto vrfvx_myzone
+iface vrfvx_myzone
+ vxlan-id 1000
+ vxlan-local-tunnelip 192.168.0.1
+ bridge-learning off
+ bridge-arp-nd-suppress on
+ mtu 1450
+
+auto vxlan_myvnet
+iface vxlan_myvnet
+ vxlan-id 100
+ vxlan-local-tunnelip 192.168.0.1
+ bridge-learning off
+ bridge-arp-nd-suppress on
+ mtu 1450
diff --git a/test/zones/evpn/ipv4ipv6/interfaces b/test/zones/evpn/ipv4ipv6/interfaces
new file mode 100644
index 0000000..66bb826
--- /dev/null
+++ b/test/zones/evpn/ipv4ipv6/interfaces
@@ -0,0 +1,7 @@
+auto vmbr0
+iface vmbr0 inet static
+ address 192.168.0.1/24
+ gateway 192.168.0.254
+ bridge-ports eth0
+ bridge-stp off
+ bridge-fd 0
diff --git a/test/zones/evpn/ipv4ipv6/sdn_config b/test/zones/evpn/ipv4ipv6/sdn_config
new file mode 100644
index 0000000..4583818
--- /dev/null
+++ b/test/zones/evpn/ipv4ipv6/sdn_config
@@ -0,0 +1,32 @@
+{
+ version => 1,
+ vnets => {
+ ids => {
+ myvnet => { tag => "100", type => "vnet", zone => "myzone" },
+ },
+ },
+
+ zones => {
+ ids => { myzone => { ipam => "pve", type => "evpn", controller => "evpnctl", 'vrf-vxlan' => 1000, 'mac' => 'A2:1D:CB:1A:C0:8B' } },
+ },
+ controllers => {
+ ids => { evpnctl => { type => "evpn", 'peers' => '192.168.0.1,192.168.0.2,192.168.0.3', asn => "65000" } },
+ },
+
+ subnets => {
+ ids => {
+ 'myzone-10.0.0.0-24' => {
+ 'type' => 'subnet',
+ 'vnet' => 'myvnet',
+ 'gateway' => '10.0.0.1',
+ },
+ 'myzone-2a08:2142:302:3::-64' => {
+ 'type' => 'subnet',
+ 'vnet' => 'myvnet',
+ 'gateway' => '2a08:2142:302:3::1',
+ }
+ }
+ }
+}
+
+
diff --git a/test/zones/evpn/ipv6/expected_controller_config b/test/zones/evpn/ipv6/expected_controller_config
new file mode 100644
index 0000000..c0ca898
--- /dev/null
+++ b/test/zones/evpn/ipv6/expected_controller_config
@@ -0,0 +1,31 @@
+log syslog informational
+ip forwarding
+ipv6 forwarding
+frr defaults datacenter
+service integrated-vtysh-config
+hostname localhost
+!
+!
+vrf vrf_myzone
+ vni 1000
+exit-vrf
+!
+router bgp 65000
+ bgp router-id 192.168.0.1
+ no bgp default ipv4-unicast
+ coalesce-time 1000
+ neighbor VTEP peer-group
+ neighbor VTEP remote-as 65000
+ neighbor VTEP bfd
+ neighbor 192.168.0.2 peer-group VTEP
+ neighbor 192.168.0.3 peer-group VTEP
+ !
+ address-family l2vpn evpn
+ neighbor VTEP activate
+ advertise-all-vni
+ exit-address-family
+!
+router bgp 65000 vrf vrf_myzone
+!
+line vty
+!
\ No newline at end of file
diff --git a/test/zones/evpn/ipv6/expected_sdn_interfaces b/test/zones/evpn/ipv6/expected_sdn_interfaces
new file mode 100644
index 0000000..b2bdbfe
--- /dev/null
+++ b/test/zones/evpn/ipv6/expected_sdn_interfaces
@@ -0,0 +1,42 @@
+#version:1
+
+auto myvnet
+iface myvnet
+ address 2a08:2142:302:3::1/64
+ hwaddress A2:1D:CB:1A:C0:8B
+ bridge_ports vxlan_myvnet
+ bridge_stp off
+ bridge_fd 0
+ mtu 1450
+ ip6-forward on
+ arp-accept on
+ vrf vrf_myzone
+
+auto vrf_myzone
+iface vrf_myzone
+ vrf-table auto
+ post-up ip route add vrf vrf_myzone unreachable default metric 4278198272
+
+auto vrfbr_myzone
+iface vrfbr_myzone
+ bridge-ports vrfvx_myzone
+ bridge_stp off
+ bridge_fd 0
+ mtu 1450
+ vrf vrf_myzone
+
+auto vrfvx_myzone
+iface vrfvx_myzone
+ vxlan-id 1000
+ vxlan-local-tunnelip 192.168.0.1
+ bridge-learning off
+ bridge-arp-nd-suppress on
+ mtu 1450
+
+auto vxlan_myvnet
+iface vxlan_myvnet
+ vxlan-id 100
+ vxlan-local-tunnelip 192.168.0.1
+ bridge-learning off
+ bridge-arp-nd-suppress on
+ mtu 1450
diff --git a/test/zones/evpn/ipv6/interfaces b/test/zones/evpn/ipv6/interfaces
new file mode 100644
index 0000000..66bb826
--- /dev/null
+++ b/test/zones/evpn/ipv6/interfaces
@@ -0,0 +1,7 @@
+auto vmbr0
+iface vmbr0 inet static
+ address 192.168.0.1/24
+ gateway 192.168.0.254
+ bridge-ports eth0
+ bridge-stp off
+ bridge-fd 0
diff --git a/test/zones/evpn/ipv6/sdn_config b/test/zones/evpn/ipv6/sdn_config
new file mode 100644
index 0000000..949e886
--- /dev/null
+++ b/test/zones/evpn/ipv6/sdn_config
@@ -0,0 +1,27 @@
+{
+ version => 1,
+ vnets => {
+ ids => {
+ myvnet => { tag => "100", type => "vnet", zone => "myzone" },
+ },
+ },
+
+ zones => {
+ ids => { myzone => { ipam => "pve", type => "evpn", controller => "evpnctl", 'vrf-vxlan' => 1000, 'mac' => 'A2:1D:CB:1A:C0:8B' } },
+ },
+ controllers => {
+ ids => { evpnctl => { type => "evpn", 'peers' => '192.168.0.1,192.168.0.2,192.168.0.3', asn => "65000" } },
+ },
+
+ subnets => {
+ ids => {
+ 'myzone-2a08:2142:302:3::-64' => {
+ 'type' => 'subnet',
+ 'vnet' => 'myvnet',
+ 'gateway' => '2a08:2142:302:3::1',
+ }
+ }
+ }
+}
+
+
--
2.20.1
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