Add more playbook execution examples

readme.md

@@ -18,12 +18,23 @@ Void has `sshd` enabled by default as well as having `prohibit-password` set for
 
 ## Running a playbook
 
+Here are some examples for running a playbook.
+
 ```
 ansible-playbook setup.yaml
 ansible-playbook -l teachers setup.yaml
+ansible-playbook -l VU00.local setup.yaml
 ansible-playbook --key-file ~/.ssh/keys/gjk-ansible setup.yaml
 ```
 
+Tags can be used to execute or exclude specific parts of the playbook.
+
+```
+ansible-playbook -t grub setup.yaml
+ansible-playbook -t [grub, software] setup.yaml
+ansible-playbook --skip-tags software setup.yaml
+```
+
 ## SSH configuration
 
 You should setup your ssh to avoid unnecessary settings when running a playbook, for example:

setup.yaml

@@ -1,6 +1,7 @@
 ---
 - name: SSH
   hosts: all
+  tags: ssh
 
   tasks:
     - name: Ensure root ssh directory exists
@@ -18,6 +19,7 @@
 
 - name: General
   hosts: all
+  tags: general
 
   tasks:
     - name: Install services
@@ -51,6 +53,7 @@
 
 - name: Users
   hosts: all
+  tags: users
 
   tasks:
     - name: Set bash as default shell for root
@@ -73,7 +76,7 @@
         path: '{{ item }}'
         owner: root
         group: root
-        mode: 644
+        mode: 0644
         state: touch
       loop:
         - /home/student/.bashrc
@@ -88,6 +91,7 @@
 
 - name: Software
   hosts: all
+  tags: software
 
   tasks:
     - name: Add non-free repository
@@ -115,6 +119,9 @@
 
 - name: Gnome
   hosts: all
+  tags:
+    - gnome
+    - software
 
   handlers:
     - name: Update dconf database
@@ -177,6 +184,7 @@
 
 - name: PipeWire
   hosts: all
+  tags: pipewire
 
   tasks:
     - name: Install PipeWire
@@ -215,6 +223,7 @@
 
 - name: GRUB
   hosts: all
+  tags: grub
 
   handlers:
     - name: grub-mkconfig
@@ -247,6 +256,7 @@
 
 - name: Bakaláři
   hosts: teachers
+  tags: bakalari
 
   tasks:
     - name: Create a desktop shortcut for Bakaláři