cluster: add sdn fabrics config files

Add the sdn fabrics config files. These are split into two, as we
currently support two fabric types: ospf and openfabric. They hold the
whole configuration for the respective protocols. They are read and
written by pve-network.

Signed-off-by: Gabriel Goller <g.goller@proxmox.com>

src/PVE/Cluster.pm

@@ -81,6 +81,8 @@ my $observed = {
     'sdn/pve-ipam-state.json' => 1,
     'sdn/mac-cache.json' => 1,
     'sdn/dns.cfg' => 1,
+    'sdn/fabrics/openfabric.cfg' => 1,
+    'sdn/fabrics/ospf.cfg' => 1,
     'sdn/.running-config' => 1,
     'virtual-guest/cpu-models.conf' => 1,
     'virtual-guest/profiles.cfg' => 1,

src/pmxcfs/status.c

@@ -110,6 +110,8 @@ static memdb_change_t memdb_change_array[] = {
 	{ .path = "sdn/mac-cache.json" },
 	{ .path = "sdn/pve-ipam-state.json" },
 	{ .path = "sdn/dns.cfg" },
+	{ .path = "sdn/fabrics/openfabric.cfg" },
+	{ .path = "sdn/fabrics/ospf.cfg" },
 	{ .path = "sdn/.running-config" },
 	{ .path = "virtual-guest/cpu-models.conf" },
 	{ .path = "virtual-guest/profiles.cfg" },