[pve-devel] [PATCH pve-common 2/3] Inotify : add vxlan interface support

[Alexandre Derumier]

---
 src/PVE/INotify.pm | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 53 insertions(+), 1 deletion(-)

diff --git a/src/PVE/INotify.pm b/src/PVE/INotify.pm
index 25ab868..2c1af3c 100644
--- a/src/PVE/INotify.pm
+++ b/src/PVE/INotify.pm
@@ -916,6 +916,11 @@ sub __read_etc_network_interfaces {
 			    }
 			}
 			$d->{$id} = $value;
+		    } elsif ($id eq 'vxlan-id' || $id eq 'vxlan-svcnodeip' || 
+			     $id eq 'vxlan-physdev' || $id eq 'vxlan-local-tunnelip') {
+			$d->{$id} = $value;
+		    } elsif ($id eq 'vxlan-remoteip') {
+			push @{$d->{$id}}, $value;
 		    } else {
 			push @{$f->{options}}, $option;
 		    }
@@ -1012,7 +1017,9 @@ sub __read_etc_network_interfaces {
 	} elsif ($iface =~ m/^lo$/) {
 	    $d->{type} = 'loopback';
 	} else {
-	    if (!$d->{ovs_type}) {
+	    if ($d->{'vxlan-id'}) {
+		$d->{type} = 'vxlan';
+	    } elsif (!$d->{ovs_type}) {
 		$d->{type} = 'unknown';
 	    } elsif ($d->{ovs_type} eq 'OVSIntPort') {
 		$d->{type} = $d->{ovs_type};
@@ -1121,6 +1128,28 @@ sub __interface_to_string {
 	    $raw .= "\tbond-xmit-hash-policy $d->{'bond_xmit_hash_policy'}\n";
 	}
 	$done->{'bond_xmit_hash_policy'} = 1;
+    } elsif ($d->{type} eq 'vxlan') {
+
+	$raw .= "\tvxlan-id $d->{'vxlan-id'}\n" if $d->{'vxlan-id'};
+	$done->{'vxlan-id'} = 1;
+	if ($d->{'vxlan-svcnodeip'}) {
+	    $raw .= "\tvxlan-svcnodeip $d->{'vxlan-svcnodeip'}\n";
+	    $done->{'vxlan-svcnodeip'} = 1;
+	}
+	if ($d->{'vxlan-physdev'}) {
+	    $raw .= "\tvxlan-physdev $d->{'vxlan-physdev'}\n";
+	    $done->{'vxlan-physdev'} = 1;
+	}
+	if ($d->{'vxlan-local-tunnelip'}) {
+	    $raw .= "\tvxlan-local-tunnelip $d->{'vxlan-local-tunnelip'}\n";
+	    $done->{'vxlan-local-tunnelip'} = 1;
+	}
+	if ($d->{'vxlan-remoteip'}) {
+	    foreach my $remoteip (@{$d->{'vxlan-remoteip'}}) {
+		$raw .= "\tvxlan-remoteip $remoteip\n";
+	    }
+	    $done->{'vxlan-remoteip'} = 1;
+	}
 
     } elsif ($d->{type} eq 'OVSBridge') {
 
@@ -1293,6 +1322,28 @@ sub __write_etc_network_interfaces {
 	}
     }
 
+    # check vxlan
+    my $vxlans = {};
+    foreach my $iface (keys %$ifaces) {
+	my $d = $ifaces->{$iface};
+
+	if ($d->{type} eq 'vxlan' && $d->{'vxlan-id'}) {
+	    my $vxlanid = $d->{'vxlan-id'};
+	    die "iface $iface  : duplicate vxlan-id $vxlanid already used in $vxlans->{$vxlanid}" if $vxlans->{$vxlanid};
+	    $vxlans->{$vxlanid} = $iface;
+	}
+
+	if (($d->{'vxlan-svcnodeip'} && $d->{'vxlan-remoteip'}) ||
+	    ($d->{'vxlan-svcnodeip'} && $d->{'vxlan-local-tunnelip'}) ||
+	    ($d->{'vxlan-local-tunnelip'} && $d->{'vxlan-remoteip'})) {
+	    die "iface $iface : you can't use vxlan-svcnodeip / vxlan-remoteip / vxlan-local-tunnelip at the same time";
+	}
+
+	if (($d->{'vxlan-svcnodeip'} && !$d->{'vxlan-physdev'}) || (!$d->{'vxlan-svcnodeip'} && $d->{'vxlan-physdev'})) {
+	    die "iface $iface : vxlan-svcnodeip && vxlan-physdev must be define together"; 
+	}
+    }
+
     my $raw = <<'NETWORKDOC';
 # network interface settings; autogenerated
 # Please do NOT modify this file directly, unless you know what
@@ -1314,6 +1365,7 @@ NETWORKDOC
 	eth => 200000,
 	bond => 300000,
 	bridge => 400000,
+	vxlan => 500000,
    };
 
     my $lookup_type_prio = sub {
-- 
2.11.0