updated tasks so they are only run once

tasks/pkgs/nomad.yml

@@ -1,19 +1,31 @@
 # vim: set filetype=yaml.ansible :
 ---
-- name: Append to pkg_tap
+- name: Add nomad
   when:
-    - ansible_distribution == 'MacOSX'
-  notify:
-    - Depend hashicorp repo
-  changed_when: true
-  ansible.builtin.set_fact:
-    pkg_tap: "{{ pkg_tap + nomad.pkgs }}"
+    - nomad_configured is undefined
+  block:
+    - name: Load nomad config
+      ansible.builtin.include_tasks:
+        file: config/nomad.yml
 
-- name: Append to pkg_sys
-  when:
-    - ansible_system == 'Linux'
-  notify:
-    - Depend hashicorp repo
-  changed_when: true
-  ansible.builtin.set_fact:
-    pkg_sys: "{{ pkg_sys + nomad.pkgs }}"
+    - name: Append to pkg_tap
+      when:
+        - ansible_distribution == 'MacOSX'
+      notify:
+        - Depend hashicorp repo
+      changed_when: true
+      ansible.builtin.set_fact:
+        pkg_tap: "{{ pkg_tap + nomad.pkgs }}"
+
+    - name: Append to pkg_sys
+      when:
+        - ansible_system == 'Linux'
+      notify:
+        - Depend hashicorp repo
+      changed_when: true
+      ansible.builtin.set_fact:
+        pkg_sys: "{{ pkg_sys + nomad.pkgs }}"
+
+    - name: Set nomad_configured
+      ansible.builtin.set_fact:
+        nomad_configured: true