New role for ipaserver installation

The support for external cert files is not complete yet.

roles/ipaserver/tasks/uninstall.yml

@@ -0,0 +1,24 @@
+---
+# tasks to uninstall IPA server
+
+#- name: Uninstall - Include Python2/3 import test
+#  include: "{{role_path}}/tasks/python_2_3_test.yml"
+#  static: yes
+
+- name: Uninstall - Uninstall IPA server
+  command: >
+    /usr/sbin/ipa-server-install
+    --uninstall
+    -U
+    {{ '--ignore-topology-disconnect' if ipaserver_ignore_topology_disconnect | bool else '' }}
+    {{ '--ignore-last-of-role' if ipaserver_ignore_last_of_role | bool else ''}}
+  register: uninstall
+  # 2 means that uninstall failed because IPA server was not configured
+  failed_when: uninstall.rc != 0 and uninstall.rc != 2
+  changed_when: uninstall.rc == 0
+
+#- name: Remove IPA server packages
+#  package:
+#    name: "{{ item }}"
+#    state: absent
+#  with_items: "{{ ipaserver_packages }}"