Reintroduce resolv.conf, it is needed + change DNS from FDN (broken) to Free

os/config/production.yml

@@ -7,7 +7,8 @@ cluster_nodes:
       ipv4: 192.168.1.2
       ipv6: 2a01:e35:2fdc:dbe0::2
       interface: eno1
-      dns_server: 80.67.169.40
+      dns_1: 212.27.40.240
+      dns_2: 212.27.40.241
       ansible_python_interpreter: python3
 
     silicareux:
@@ -17,7 +18,8 @@ cluster_nodes:
       ipv4: 192.168.1.3 
       ipv6: 2a01:e35:2fdc:dbe0::3
       interface: eno1 
-      dns_server: 80.67.169.40
+      dns_1: 212.27.40.240
+      dns_2: 212.27.40.241
       ansible_python_interpreter: python3
 
     wonse:
@@ -27,5 +29,6 @@ cluster_nodes:
       ipv4: 192.168.1.4
       ipv6: 2a01:e35:2fdc:dbe0::4
       interface: eno1
-      dns_server: 80.67.169.40
+      dns_1: 212.27.40.240
+      dns_2: 212.27.40.241
       ansible_python_interpreter: python3

os/config/roles/consul/templates/consul.json.j2

@@ -18,7 +18,8 @@
      "dns": 53
   },
   "recursors": [
-    "{{ dns_server }}"
+    "{{ dns_1 }}",
+    "{{ dns_2 }}"
   ],
   "encrypt": "{{ consul_gossip_encrypt }}",
   "domain": "2.cluster.deuxfleurs.fr",

os/config/roles/network/tasks/main.yml

@@ -7,6 +7,9 @@
 - name: "Deploy systemd-networkd configuration"
   template: src=en.network dest=/etc/systemd/network/en.network
 
+- name: "Deploy resolv.conf (the DNS section in systemd-networkd requires systemd-resolved...)"
+  template: src=resolv.conf dest=/etc/resolv.conf
+
 - name: "Activate IP forwarding"
   sysctl:
     name: net.ipv4.ip_forward

os/config/roles/network/templates/en.network

@@ -5,5 +5,3 @@ Name={{ interface }}
 Address={{ ipv4 }}/24
 Address={{ ipv6 }}/64
 Gateway=192.168.1.254
-DNS={{ ipv4 }}
-DNS={{ dns_server }}

os/config/roles/network/templates/resolv.conf

@@ -0,0 +1,3 @@
+nameserver {{ ipv4 }}
+nameserver {{ dns_1 }}
+nameserver {{ dns_2 }}