[nantes] Add k8s controlplane/etcd servers for Ceph cluster

data/grid5000/sites/nantes/servers/infra-k8s-master0.json

+{
+  "kind": "virtual",
+  "network_adapters": {
+    "default": {
+      "ip": "172.16.207.129"
+    }
+  },
+  "type": "server",
+  "uid": "infra-k8s-master0"
+}
\ No newline at end of file

data/grid5000/sites/nantes/servers/infra-k8s-master1.json

+{
+  "kind": "virtual",
+  "network_adapters": {
+    "default": {
+      "ip": "172.16.207.130"
+    }
+  },
+  "type": "server",
+  "uid": "infra-k8s-master1"
+}
\ No newline at end of file

input/grid5000/sites/nantes/servers/virtual.yaml

@@ -150,3 +150,13 @@ nat:
 kwollect:
   kind: virtual
   network_adapters: {default: {ip: 172.16.207.126}}
+infra-k8s-master0:
+  kind: virtual
+  network_adapters:
+    default:
+      ip: 172.16.207.129
+infra-k8s-master1:
+  kind: virtual
+  network_adapters:
+    default:
+      ip: 172.16.207.130
\ No newline at end of file