From db2b3b7ee14f22b91d9f2279817866811c574515 Mon Sep 17 00:00:00 2001
From: Jerry Vonau <jvonau3@gmail.com>
Date: Sat, 12 May 2018 17:08:07 -0500
Subject: [PATCH] netplan systemd-networkd static support

---
 roles/2-common/tasks/packages.yml             |  1 +
 roles/network/tasks/sysd-netd-debian.yml      | 12 ++++++++++++
 roles/network/templates/network/cloud-init.j2 | 11 +++++++++++
 3 files changed, 24 insertions(+)
 create mode 100644 roles/network/templates/network/cloud-init.j2

diff --git a/roles/2-common/tasks/packages.yml b/roles/2-common/tasks/packages.yml
index 05c38f359..fdb840965 100644
--- a/roles/2-common/tasks/packages.yml
+++ b/roles/2-common/tasks/packages.yml
@@ -61,6 +61,7 @@
     - bzip2
     - i2c-tools
     - bridge-utils
+    - netmask
     - usbutils
     - hostapd
     - wget
diff --git a/roles/network/tasks/sysd-netd-debian.yml b/roles/network/tasks/sysd-netd-debian.yml
index 68af9fc45..d536ef859 100644
--- a/roles/network/tasks/sysd-netd-debian.yml
+++ b/roles/network/tasks/sysd-netd-debian.yml
@@ -28,6 +28,18 @@
     state: stopped
   when: is_ubuntu_18
 
+- name: Static IP computing CIDR
+  shell: netmask {{ wan_ip }}/{{ wan_netmask }} | awk -F "/" '{print $2}'
+  when: wan_ip != "dhcp"
+  register: CIDR
+
+- name: Supply static template
+  template:
+    dest:  /etc/netplan/50-cloud-init.yaml
+    src: network/cloud-init.j2
+    backup: yes
+  when: wan_ip != "dhcp"
+
 - name: Reload systemd
   systemd:
     daemon_reload: yes
diff --git a/roles/network/templates/network/cloud-init.j2 b/roles/network/templates/network/cloud-init.j2
new file mode 100644
index 000000000..c0c95e48c
--- /dev/null
+++ b/roles/network/templates/network/cloud-init.j2
@@ -0,0 +1,11 @@
+network:
+    ethernets:
+        {{ iiab_wan_iface }}:
+            dhcp4: false
+            dhcp6: false
+            addresses: [{{ wan_ip }}/{{ CIDR.stdout }}]
+            gateway4: {{ wan_gateway }}
+            nameservers:
+               addresses: [{{ wan_nameserver }}]
+            optional: true
+    version: 2