add mysql support

defaults/main.yml

@@ -16,8 +16,10 @@ osp_db_name: osp
 osp_db_user: osp
 osp_db_location: 'sqlite:///db/database.db'
 osp_db_type: "sqlite"
+#osp_db_pass: "" # required
 #osp_db_type: "cockroachdb"
 osp_db_location_postgresql: "postgresql://{{ osp_db_user }}@{{ osp_db_host }}/{{ osp_db_name }}"
+osp_db_location_mysql: "mysql+pymysql://{{ osp_db_user }}:{{osp_db_pass}}@{{ osp_db_host }}/{{ osp_db_name }}?charset=utf8mb4"
 osp_secret_key: "{{ lookup('password', 'credentials/'+inventory_hostname+'/osp_secret_key length=8 chars=digits') }}"
 osp_password_salt: "{{ lookup('password', 'credentials/'+inventory_hostname+'/osp_password_salt length=8 chars=digits') }}"
 osp_allow_registration: yes

tasks/db_mysql.yml

@@ -0,0 +1,34 @@
+- name: DB - Install
+  package:
+    name:
+    - mariadb
+    - python-mysqlclient
+
+- name: DB - Init
+  command: mariadb-install-db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
+  args:
+    creates: /var/lib/mysql/
+
+- name: Started
+  systemd:
+    name: mariadb
+    enabled: yes
+    state: started
+
+- name: DB - create user
+  mysql_user:
+    login_host: "{{ osp_db_host }}"
+    name: "{{ osp_db_user }}"
+    password: "{{ osp_db_pass }}"
+    priv: '{{ osp_db_name }}.*:ALL,GRANT'
+
+- name: DB - create database
+  mysql_db:
+    login_host: "{{ osp_db_host }}"
+    name: "{{ osp_db_name }}"
+    encoding: utf8mb4
+
+- name: Set DB location
+  when: osp_db_location != "///db/database.db"
+  set_fact:
+    osp_db_location: "{{ osp_db_location_mysql }}"

tasks/main.yml

@@ -118,6 +118,10 @@
   include_tasks: db_postgresql.yml
   when: osp_db_type == "postgresql"
 
+- name: Database
+  include_tasks: db_mysql.yml
+  when: osp_db_type == "mysql"
+
 - name: Clone OSP repository
   git:
     repo: "{{ osp_git_root }}"

templates/osp-worker@.service

@@ -6,6 +6,9 @@ PartOf=osp.target
 {% if osp_db_type == "postgresql" %}
 After=postgresql.service
 {% endif %}
+{% if osp_db_type == "mysql" %}
+After=mysql.service
+{% endif %}
 
 [Service]
 User=http