Reorganize inventory, add ansible system user

Who is only used on my desktop hosts, obviously

inventory/hosts.yml

@@ -4,6 +4,19 @@ all:
   vars:
     ansible_user: ubuntu
   children:
+    home:
+      vars:
+        ansible_user: ansible
+      hosts:
+        dsk-cstm-0:
+          ansible_host: 172.23.100.1
+        lap-th-e560-0:
+          ansible_host: 172.23.100.2
+    9iron:
+      children:
+        ansiblehosts:
+        webservers:
+        gameservers:
     ansiblehosts:
       hosts:
         9iron.club:

roles/common/tasks/ansibleuser.yml

@@ -0,0 +1,15 @@
+#!/usr/bin/ansible-playbook
+# vim:ft=ansible:
+- name: Configure Ansible system user
+  block:
+    - name: Create Ansible system user
+      user:
+        name: ansible
+        groups: sudo
+        password_lock: yes
+        system: yes
+    - name: Add Ansible key to user
+      authorized_key:
+        user: ansible
+        manage_dir: yes
+        key: "ssh-rsa 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 ansible"

roles/common/tasks/main.yml

@@ -1,14 +1,15 @@
 #!/usr/bin/ansible-playbook
 # vim:ft=ansible:
 ---
-- name: Update and upgrade apt packages
+- name: Configure basic system settings
+  block:
+    - name: Update and upgrade apt packages
       apt:
         upgrade: "yes"
         update_cache: yes
         # One day
         cache_valid_time: 86400
-  become: yes
-- name: Install basic packages
+    - name: Install basic packages
       apt:
         name: "{{ packages }}"
       vars:
@@ -19,13 +20,11 @@
           - python3-apt
           - vim
           - awscli
-  become: yes
-- name: Set timezone
+    - name: Set timezone
       timezone:
         name: "America/Chicago"
-  become: yes
       notify: restart cron
-- name: Configure MOTD
+    - name: Configure MOTD
       block:
       - name: Disable MOTD news
         copy:
@@ -47,4 +46,5 @@
           - "92-unattended-upgrades"
           - "95-hwe-eol"
           - "97-overlayroot"
-  become: yes
+    - name: Configure Ansible user
+      include_tasks: ansibleuser.yml