[pve-devel] [PATCH v6 pve-network 12/18] vnets: find_free_ip : add ipversion detection

Alexandre Derumier aderumier at odiso.com
Tue Aug 25 07:02:16 CEST 2020


---
 PVE/Network/SDN/Vnets.pm | 33 +++++++++++++++++++++------------
 1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/PVE/Network/SDN/Vnets.pm b/PVE/Network/SDN/Vnets.pm
index d474037..0de3fd5 100644
--- a/PVE/Network/SDN/Vnets.pm
+++ b/PVE/Network/SDN/Vnets.pm
@@ -4,6 +4,7 @@ use strict;
 use warnings;
 
 use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
+use Net::IP;
 use PVE::Network::SDN::Subnets;
 use PVE::Network::SDN::Ipams;
 
@@ -55,26 +56,34 @@ sub get_vnet {
 }
 
 sub get_next_free_ip {
-    my ($vnetid) = @_;
+    my ($vnetid, $ipversion) = @_;
 
+    $ipversion = 4 if !$ipversion;
     my $vnets_cfg = PVE::Network::SDN::Vnets::config();
     my $subnets_cfg = PVE::Network::SDN::Subnets::config();
     my $vnet = $vnets_cfg->{ids}->{$vnetid};
     my @subnets = PVE::Tools::split_list($vnet->{subnets}) if $vnet->{subnets};
     my $ip = undef;
+    my $subnet = undef;
+    my $subnetcount = 0;
     foreach my $s (@subnets) {
-        my $subnetid = $s =~ s/\//-/r;
-        my $subnet = $subnets_cfg->{ids}->{$subnetid};
-        if ($subnet && $subnet->{ipam}) {
-            eval {
-                $ip = PVE::Network::SDN::Ipams::next_free_ip($subnetid, $subnet);
-            };
-            warn $@ if $@;
-        }
-        last if $ip;
+	my $subnetid = $s =~ s/\//-/r;
+	my ($network, $mask) = split(/-/, $subnetid);
+	next if $ipversion != Net::IP::ip_get_version($network);
+	$subnetcount++;
+	$subnet = $subnets_cfg->{ids}->{$subnetid};
+	if ($subnet && $subnet->{ipam}) {
+	    eval {
+		$ip = PVE::Network::SDN::Ipams::next_free_ip($subnetid, $subnet);
+	    };
+	    warn $@ if $@;
+	}
+	last if $ip;
     }
-    die "can't find any ip" if !$ip;
-    return $ip;
+    die "can't find any free ip" if !$ip && $subnetcount > 0;
+
+    $subnet->{freeip} = $ip;
+    return $subnet;
 }
 
 1;
-- 
2.20.1




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