From d02f6720e330d825ba3f0955a376377056839f6a Mon Sep 17 00:00:00 2001
From: Devin Buhl <devin@buhl.casa>
Date: Fri, 13 May 2022 15:38:04 -0400
Subject: [PATCH] feat(ansible): add checks for verify kube-vip nic exists

Signed-off-by: Devin Buhl <devin@buhl.casa>
---
 provision/ansible/requirements.yml              |  2 ++
 provision/ansible/roles/ubuntu/tasks/checks.yml | 17 +++++++++++++++++
 provision/ansible/roles/ubuntu/tasks/main.yml   |  4 ++++
 3 files changed, 23 insertions(+)
 create mode 100644 provision/ansible/roles/ubuntu/tasks/checks.yml

diff --git a/provision/ansible/requirements.yml b/provision/ansible/requirements.yml
index 8e6a75d8..c083ee14 100644
--- a/provision/ansible/requirements.yml
+++ b/provision/ansible/requirements.yml
@@ -6,6 +6,8 @@ collections:
     version: 1.2.1
   - name: ansible.posix
     version: 1.3.0
+  - name: ansible.utils
+    version: 2.6.1
 roles:
   - src: xanmanning.k3s
     version: v3.1.2
diff --git a/provision/ansible/roles/ubuntu/tasks/checks.yml b/provision/ansible/roles/ubuntu/tasks/checks.yml
new file mode 100644
index 00000000..9c95a42d
--- /dev/null
+++ b/provision/ansible/roles/ubuntu/tasks/checks.yml
@@ -0,0 +1,17 @@
+---
+- name: Check if network interface provided for kube-vip is valid
+  ansible.builtin.assert:
+    that:
+      - ansible_{{ kubevip_interface }}.device is defined
+      - ansible_{{ kubevip_interface }}['ipv4']['address'] | ansible.utils.ipaddr('{{ ansible_host }}')
+    success_msg: |-
+      kube-vip is able to use {{ kubevip_interface }} for this node
+    fail_msg: |-
+      This node does not have a network interface called {{ kubevip_interface }}.
+
+      You either provided the wrong BOOTSTRAP_KUBE_VIP_INTERFACE value or your nodes have different network interface names.
+
+      See this link on how to set static interface names across your nodes by using netplan
+      https://askubuntu.com/a/1317043
+  when:
+    "'master' in group_names"
diff --git a/provision/ansible/roles/ubuntu/tasks/main.yml b/provision/ansible/roles/ubuntu/tasks/main.yml
index df35ef64..988e976f 100644
--- a/provision/ansible/roles/ubuntu/tasks/main.yml
+++ b/provision/ansible/roles/ubuntu/tasks/main.yml
@@ -1,4 +1,8 @@
 ---
+- include: checks.yml
+  tags:
+    - checks
+
 - include: locale.yml
   tags:
     - locale