vagrant: add mystamps-backup role.

Addressed to php-coder#399

[ci skip]

Author: php-coder

vagrant/provisioning/roles/mystamps-backup/defaults/main.yml

@@ -0,0 +1,2 @@
+---
+user_db_password: p@ssword

vagrant/provisioning/roles/mystamps-backup/tasks/main.yml

@@ -0,0 +1,30 @@
+---
+
+- name: Creating /data/backups
+  file:
+    path: /data/backups
+    owner: mystamps
+    group: mystamps
+    mode: '0755'
+    state: directory
+
+- name: Granting access to the database to mystamps user
+  template:
+    src: my.cnf
+    dest: /data/mystamps/.my.cnf
+    force: yes
+    backup: no
+    owner: mystamps
+    group: mystamps
+    mode: '0600'
+
+- name: Creating a cron task for doing database backups
+  copy:
+    src: ../../src/main/config/cron/mystamps
+    dest: /etc/cron.d/mystamps
+    force: yes
+    backup: no
+    owner: root
+    group: root
+    mode: '0644'
+

vagrant/provisioning/roles/mystamps-backup/templates/my.cnf

@@ -0,0 +1,3 @@
+[client]
+user = mystamps
+password = {{ user_db_password }}

vagrant/provisioning/vagrant.yml

@@ -2,6 +2,7 @@
 - hosts: all
   gather_facts: no
   vars:
+    profile: 'test'
     # required for Ubuntu 16.04. which installs Python 2.x to a non-standard path
     ansible_python_interpreter: "/usr/bin/python2.7"
 
@@ -44,3 +45,11 @@
   - role: mystamps-nginx
     become: yes
     become_method: sudo
+
+  - {
+      role: mystamps-backup,
+      user_db_password: 'q1',
+      when: profile == 'prod',
+      become: yes,
+      become_method: sudo
+    }