mysql: logdir can be customized

CHANGELOG.md

@@ -20,6 +20,7 @@ The **patch** part changes incrementally at each release.
 * postfix: enable SSL/TLS client
 * ssl: add an SSL role for certificates deployment
 * haproxy: add vars for tls configuration
+* mysql: logdir can be customized
 
 ### Changed
 * evocheck: update script from upstream

mysql/defaults/main.yml

@@ -13,6 +13,7 @@ mysql_replace_root_with_mysqladmin: True
 
 mysql_custom_datadir: ''
 mysql_custom_tmpdir: ''
+mysql_custom_logdir: ''
 
 mysql_thread_cache_size: '{{ ansible_processor_cores }}'
 mysql_innodb_buffer_pool_size: '{{ (ansible_memtotal_mb * 0.3) | int }}M'

mysql/tasks/logdir.yml

@@ -0,0 +1,45 @@
+---
+
+- block:
+  - name: "Is {{ mysql_custom_logdir }} present ?"
+    stat:
+      path: "{{ mysql_custom_logdir }}"
+    check_mode: no
+    register: mysql_custom_logdir_test
+
+  - name: "read the real logdir"
+    command: readlink -f /var/log/mysql
+    changed_when: False
+    check_mode: no
+    register: mysql_current_real_logdir_test
+  tags:
+    - mysql
+  when: mysql_custom_logdir != ''
+
+- block:
+  - name: MySQL is stopped
+    service:
+      name: mysql
+      state: stopped
+
+  - name: Move MySQL logdir to {{ mysql_custom_logdir }}
+    command: mv {{ mysql_current_real_logdir_test.stdout }} {{ mysql_custom_logdir }}
+    args:
+      creates: "{{ mysql_custom_logdir }}"
+
+  - name: Symlink {{ mysql_custom_logdir }} to /var/log/mysql
+    file:
+      src: "{{ mysql_custom_logdir }}"
+      dest: '/var/log/mysql'
+      state: link
+
+  - name: MySQL is started
+    service:
+      name: mysql
+      state: started
+  tags:
+    - mysql
+  when:
+    - mysql_custom_logdir != ''
+    - mysql_custom_logdir != mysql_current_real_logdir_test.stdout
+    - not mysql_custom_logdir_test.stat.exists

mysql/tasks/main.yml

@@ -23,6 +23,8 @@
 
 - include: datadir.yml
 
+- include: logdir.yml
+
 - include: tmpdir.yml
 
 - include: nrpe.yml