[pve-devel] [PATCH container] clone: randomize network MAC HW address of clone

Thomas Lamprecht t.lamprecht at proxmox.com
Tue Mar 20 15:28:46 CET 2018


adapt code from qemu-servers clone API path and generate a new
randomized network hardware address (MAC) for the new clone to avoid
address collisions

Signed-off-by: Thomas Lamprecht <t.lamprecht at proxmox.com>
---
 src/PVE/API2/LXC.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/PVE/API2/LXC.pm b/src/PVE/API2/LXC.pm
index 0c9ee40..0c834d4 100644
--- a/src/PVE/API2/LXC.pm
+++ b/src/PVE/API2/LXC.pm
@@ -1350,6 +1350,12 @@ __PACKAGE__->register_method({
 			    # TODO: allow bind mounts?
 			    die "unable to clone mountpint '$opt' (type $mp->{type})\n";
 			}
+		    } elsif ($opt =~ m/^net(\d+)$/) {
+			# always change MAC! address
+			my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
+			my $net = PVE::LXC::Config->parse_lxc_network($value);
+			$net->{hwaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix});
+			$newconf->{$opt} = PVE::LXC::Config->print_lxc_network($net);
 		    } else {
 			# copy everything else
 			$newconf->{$opt} = $value;
-- 
2.14.2




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