Rework systemd-networkd role.

roles/systemd-networkd-resolved/files/all-eth.network

@@ -0,0 +1,5 @@
+[Match]
+Name=e*
+
+[Network]
+DHCP=yes

roles/systemd-networkd-resolved/handlers/main.yml

@@ -0,0 +1,14 @@
+- name: restart and enable systemd-networkd
+  systemd:
+    name: systemd-networkd
+    enabled: yes
+    state: restarted
+    daemon_reload: yes
+  listen: "start and enable systemd-networkd"
+
+- name: start and enable systemd-resolved
+  systemd:
+    name: systemd-resolved
+    enabled: yes
+    state: started
+  listen: "start and enable systemd-resolved"

roles/systemd-networkd-resolved/tasks/main.yml

@@ -0,0 +1,25 @@
+- name: move /etc/network/interfaces away
+  command:
+    cmd: mv /etc/network/interfaces /etc/network/interfaces_orig
+    creates: /etc/network/interfaces_orig
+
+- name: switch to systemd-networkd
+  copy:
+    src: all-eth.network
+    dest: /etc/systemd/network/all-eth.network
+  notify: "start and enable systemd-networkd"
+
+#- name: install static configuration for networkd
+#  template:
+#    src: 20-static.network.j2
+#    dest: /etc/systemd/network/20-static.network
+#  notify: "enable systemd-networkd"
+
+- name: enable local stub resolver
+  file:
+    src: /run/systemd/resolve/stub-resolv.conf
+    dest: /etc/resolv.conf
+    state: link
+    follow: False
+    force: yes
+  notify: "start and enable systemd-resolved"

roles/systemd-networkd-resolved/templates/20-static.network.j2

@@ -0,0 +1,7 @@
+[Match]
+Name={{ if_lan }}
+
+[Network]
+Address={{ ipaddr }}
+Gateway={{ gateway }}
+DNS={{ DNS }}