From 87fb95a2516858fb674233667ef962e5cfbd8a1d Mon Sep 17 00:00:00 2001
From: Alexander Maslov <as_maslov@bingo-boom.com>
Date: Thu, 12 Dec 2019 12:04:11 +0300
Subject: [PATCH] Add purge support

---
 defaults/main.yml        |  5 ++++
 tasks/install-server.yml |  4 +--
 tasks/main.yml           | 15 ++++++++--
 tasks/purge.yml          | 59 ++++++++++++++++++++++++++++++++++++++++
 tasks/python_sni.yml     | 11 ++------
 vars/main.yml            | 17 ++++++++++++
 6 files changed, 97 insertions(+), 14 deletions(-)
 create mode 100644 tasks/purge.yml

diff --git a/defaults/main.yml b/defaults/main.yml
index 60a753f..ca510b6 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -39,3 +39,8 @@ minio_secret_key: ""
 # Switches to enable/disable the Minio server and/or Minio client installation.
 minio_install_server: true
 minio_install_client: true
+
+# Purge minio
+minio_purge: "no"
+minio_purge_python_sni: "yes"
+minio_purge_data: "yes"
diff --git a/tasks/install-server.yml b/tasks/install-server.yml
index 6214efa..e0099c6 100644
--- a/tasks/install-server.yml
+++ b/tasks/install-server.yml
@@ -65,7 +65,7 @@
 - name: Create the Minio server systemd config
   template:
     src: minio.service.j2
-    dest: "/etc/systemd/system/minio.service"
+    dest: "{{ minio_service_systemd_path }}"
     owner: "root"
     group: "root"
   when: ansible_service_mgr == "systemd"
@@ -76,7 +76,7 @@
 - name: Create the Minio server init.d config
   template:
     src: minio.init.j2
-    dest: "/etc/init.d/minio"
+    dest: "{{ minio_service_initd_path }}"
     owner: "root"
     group: "root"
     mode: 0750
diff --git a/tasks/main.yml b/tasks/main.yml
index f49d6da..9a44f7c 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,14 +1,23 @@
 ---
 
-- name: Add sni support to legacy python installations
+- name: "purge minio"
+  include_tasks: purge.yml
+  when: minio_purge == "yes"
+
+- name: "add sni support to legacy python installations"
   include_tasks: python_sni.yml
   when:
     - ansible_os_family == 'Debian'
     - ansible_python_version is version_compare('2.6.0', '>=')
     - ansible_python_version is version_compare('2.7.9', '<')
+    - minio_purge != "yes"
 
 - include_tasks: install-server.yml
-  when: minio_install_server
+  when:
+    - minio_install_server
+    - minio_purge != "yes"
 
 - include_tasks: install-client.yml
-  when: minio_install_client
+  when:
+    - minio_install_client
+    - minio_purge != "yes"
diff --git a/tasks/purge.yml b/tasks/purge.yml
new file mode 100644
index 0000000..55bb932
--- /dev/null
+++ b/tasks/purge.yml
@@ -0,0 +1,59 @@
+---
+- name: "stop minio service"
+  service:
+    name: minio
+    state: stopped
+    enabled: false
+  ignore_errors: true
+
+- name: "remove minio systemd service"
+  file:
+    path: "{{ minio_service_systemd_path }}"
+    state: "absent"
+  when: ansible_service_mgr == "systemd"
+
+- name: "remove minio init service"
+  file:
+    path: "{{ minio_service_initd_path }}"
+    state: "absent"
+  when: ansible_service_mgr != "systemd"
+
+- name: "remove minio binary"
+  file:
+    path: "{{ item }}"
+    state: "absent"
+  with_items:
+    - "{{ minio_server_bin }}"
+    - "{{ minio_client_bin }}"
+
+- name: "remove minio user"
+  user:
+    name: "{{ minio_user }}"
+    state: "absent"
+
+- name: "remove minio group"
+  group:
+    name: "{{ minio_group }}"
+    state: "absent"
+
+- name: "remove minio python sni support system packages"
+  package:
+    name: "{{ item }}"
+    state: "absent"
+  with_items: "{{ minio_python_sni_packages }}"
+  when: minio_purge_python_sni == "yes"
+
+- name: "remove minio python sni support pip packages"
+  pip:
+    name: "{{ item }}"
+    state: "absent"
+  with_items: "{{ minio_python_sni_pip_dependencies }}"
+  ignore_errors: true
+  when: minio_purge_python_sni == "yes"
+
+- name: "remove minio data storage directories"
+  file:
+    path: "{{ item }}"
+    state: "absent"
+  with_items: "{{ minio_server_datadirs }}"
+  when: minio_purge_data == "yes"
diff --git a/tasks/python_sni.yml b/tasks/python_sni.yml
index c131e20..5328d4e 100644
--- a/tasks/python_sni.yml
+++ b/tasks/python_sni.yml
@@ -2,11 +2,7 @@
 
 - name: install python-pip and SNI support packages
   package:
-    name:
-      - python-pip
-      - python-dev
-      - libssl-dev
-      - libffi-dev
+    name: "{{ minio_python_sni_packages }}"
     state: present
   register: _install_python_packages
   until: _install_python_packages is succeeded
@@ -18,10 +14,7 @@
 # get_url module in server.yml and client.yml.
 - name: install the Python SNI python-pip dependencies.
   pip:
-    name:
-      - pyopenssl
-      - ndg-httpsclient
-      - pyasn1
+    name: "{{ minio_python_sni_pip_dependencies }}"
     state: present
   register: _install_pip_packages
   until: _install_pip_packages is succeeded
diff --git a/vars/main.yml b/vars/main.yml
index f1b3a4a..1c12073 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -7,3 +7,20 @@ go_arch_map:
   armv6l: 'arm6vl'
 
 go_arch: "{{ go_arch_map[ansible_architecture] | default(ansible_architecture) }}"
+
+# Python SNI packages
+minio_python_sni_packages:
+  - python-pip
+  - python-dev
+  - libssl-dev
+  - libffi-dev
+
+# There extra pip dependencies are needed to add SSL SNI support to
+# Python version prior to 2.7.9.
+minio_python_sni_pip_dependencies:
+  - pyopenssl
+  - ndg-httpsclient
+  - pyasn1
+
+minio_service_systemd_path: "/etc/systemd/system/minio.service"
+minio_service_initd_path: "/etc/init.d/minio"