Play with tags

defaults/main.yml

@@ -0,0 +1 @@
+ansible_uninstall: false

tasks/install.yml

@@ -0,0 +1,10 @@
+---
+  - name: Define repo for {{ ansible_os_family }}
+    include_tasks: add_repo_{{ ansible_os_family }}.yml
+    tags:
+      - config
+
+  - name: Install packages
+    package: name='{{ ansible_packages }}' state=latest update_cache=yes
+    tags:
+      - installation

tasks/main.yml

@@ -1,10 +1,17 @@
 ---
-- name: Include vars for {{ ansible_os_family }}
+- block:
+  - name: Include vars for {{ ansible_os_family }}
     include_vars: "{{ ansible_os_family }}.yml"
 
-- name: Define repo for {{ ansible_os_family }}
-  include_tasks: add_repo_{{ ansible_os_family }}.yml
+  - name: Install Ansible
+    include_tasks: "install.yml"
+    when:
+      - not ansible_uninstall|bool
 
-- name: Install packages
-  package: name='{{ ansible_packages }}' state=latest update_cache=yes
+  - name: UnInstall Ansible
+    include_tasks: "uninstall.yml"
+    when:
+      - ansible_uninstall|bool
 
+  tags:
+    - ansible

tasks/uninstall.yml

@@ -0,0 +1,30 @@
+---
+  - name: Define repo for {{ ansible_os_family }}
+    include_tasks: add_repo_{{ ansible_os_family }}.yml
+
+  - name: Remove Ansible's files
+    file:
+      path: "/etc/yum.repos.d/ansible.repo"
+      state: absent
+    when:
+      - ansible_os_family == 'RedHat'
+
+  - name: Registering Ubuntu Ansible repository
+    apt_repository:
+      repo: ppa:ansible/ansible
+      state: absent
+      update_cache: yes
+    when:
+      - ansible_distribution == "Ubuntu"
+
+  - name: Registering Debian Ansible repository
+    apt_repository:
+      repo: deb http://ppa.launchpad.net/ansible/ansible/ubuntu {{ ansible_distribution_name }} main
+      filename: ansible.list
+      state: absent
+      update_cache: yes
+    when:
+      - ansible_distribution == "Debian"
+
+  - name: Remove Ansible's packages
+    package: name='{{ ansible_packages }}' state=absent update_cache=yes