generate /etc/network/interfaces.d/vnet
reloading is not yet implemented
Signed-off-by: Alexandre Derumier <aderum...@odiso.com>
---
test/generateconfig.pl | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 95 insertions(+)
create mode 100644 test/generateconfig.pl
diff --git a/test/generateconfig.pl b/test/generateconfig.pl
new file mode 100644
index 0000000..afc8fa8
--- /dev/null
+++ b/test/generateconfig.pl
@@ -0,0 +1,95 @@
+use strict;
+use warnings;
+use File::Copy;
+use PVE::Cluster qw(cfs_read_file);
+
+use PVE::Network::Vnet;
+use PVE::Network::Plugin;
+use PVE::Network::VlanPlugin;
+use PVE::Network::VxlanMulticastPlugin;
+
+PVE::Network::VlanPlugin->register();
+PVE::Network::VxlanMulticastPlugin->register();
+PVE::Network::Plugin->init();
+
+
+my $rawconfig = generate_network_config();
+verify_merged_config($rawconfig);
+write_final_config($rawconfig);
+print $rawconfig;
+
+sub generate_network_config {
+
+ #only support ifupdown2
+ die "you need ifupdown2 to reload networking\n" if !-e
'/usr/share/ifupdown2';
+
+ #read main config for physical interfaces
+ my $current_config_file = "/etc/network/interfaces";
+ my $fh = IO::File->new($current_config_file);
+ my $interfaces_config = PVE::INotify::read_etc_network_interfaces(1,$fh);
+ $fh->close();
+
+ #check uplinks
+ my $uplinks = {};
+ foreach my $id (keys %{$interfaces_config->{ifaces}}) {
+ my $interface = $interfaces_config->{ifaces}->{$id};
+ if (my $uplink = $interface->{'uplink-id'}) {
+ die "uplink-id $uplink is already defined on
$uplinks->{$uplink}" if $uplinks->{$uplink};
+ $uplinks->{$interface->{'uplink-id'}} = $id;
+ }
+ }
+
+ my $vnet_cfg = PVE::Cluster::cfs_read_file('network/vnet.cfg');
+ my $transport_cfg =
PVE::Cluster::cfs_read_file('network/transports.cfg');
+
+ #generate configuration
+ my $rawconfig = "";
+ foreach my $id (keys %{$vnet_cfg->{ids}}) {
+ my $vnet = $vnet_cfg->{ids}->{$id};
+ my $zone = $vnet->{transportzone};
+
+ my $plugin_config = $transport_cfg->{ids}->{$zone};
+ die "zone $zone don't exist" if !defined($plugin_config);
+ my $plugin = PVE::Network::Plugin->lookup($plugin_config->{type});
+ $rawconfig .= $plugin->generate_network_config($plugin_config,
$zone, $id, $vnet, $interfaces_config, $uplinks);
+ }
+
+return $rawconfig;
+}
+
+#implement reload (split and reuse code from API2/Network.pm for bridge delete
verification)
+
+sub verify_merged_config {
+ my ($rawconfig) = @_;
+
+ #merge main network intefaces and vnet file for possible conflict
verification
+ my $tmp_merged_network_interfaces =
"/var/tmp/pve-merged_network_interfaces";
+ copy("/etc/network/interfaces", $tmp_merged_network_interfaces);
+
+ my $writefh = IO::File->new($tmp_merged_network_interfaces, '>>');
+ print $writefh $rawconfig;
+ $writefh->close();
+
+ my $readfh = IO::File->new($tmp_merged_network_interfaces);
+ my $merged_interfaces_config =
PVE::INotify::read_etc_network_interfaces(1,$readfh);
+ $readfh->close();
+ unlink $tmp_merged_network_interfaces;
+ PVE::INotify::__write_etc_network_interfaces($merged_interfaces_config,
1);
+
+}
+
+sub write_final_config {
+ my ($rawconfig) = @_;
+ #now write final separate filename
+ my $tmp_file = "/var/tmp/pve-vnet.cfg";
+
+ my $vnet_interfaces_file = "/etc/network/interfaces.d/vnet";
+
+ my $writefh = IO::File->new($vnet_interfaces_file,">");
+ print $writefh $rawconfig;
+ $writefh->close();
+}
+
+
+
+
--
2.11.0
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