From 5bd2f0ddaab90262e89a2bbbc3fba93f497ff7d5 Mon Sep 17 00:00:00 2001
From: Thomas Schneider <thomas@fsmpi.rwth-aachen.de>
Date: Sat, 17 Sep 2022 18:38:11 +0200
Subject: [PATCH] mysql: Add options to enable binlog
https://mariadb.com/kb/en/binary-log/
---
mysql/defaults/main.yml | 3 +++
mysql/handlers/main.yml | 10 ++++++++++
mysql/tasks/main.yml | 19 +++++++++++++++++++
mysql/templates/override.conf | 2 ++
4 files changed, 34 insertions(+)
create mode 100644 mysql/handlers/main.yml
create mode 100644 mysql/templates/override.conf
diff --git a/mysql/defaults/main.yml b/mysql/defaults/main.yml
index 38ce525..996a3c5 100644
--- a/mysql/defaults/main.yml
+++ b/mysql/defaults/main.yml
@@ -8,3 +8,6 @@ mysql_backup_user: "backup"
mysql_backup_password: "{{ lookup('passwordstore', 'db/{{ ansible_hostname }}-mysql-backup create=true length=20') }}"
mysql_rsnapshot: false
+# It is the admin’s responsibility to further configure binlogs, especially
+# purging them if required.
+mysql_enable_binlog: false
diff --git a/mysql/handlers/main.yml b/mysql/handlers/main.yml
new file mode 100644
index 0000000..1d24e32
--- /dev/null
+++ b/mysql/handlers/main.yml
@@ -0,0 +1,10 @@
+---
+
+- name: Reload systemd
+ systemd:
+ daemon_reload: true
+
+- name: Restart mariadb.service
+ systemd:
+ name: mariadb.service
+ state: restarted
diff --git a/mysql/tasks/main.yml b/mysql/tasks/main.yml
index 999f564..fa4ae7c 100644
--- a/mysql/tasks/main.yml
+++ b/mysql/tasks/main.yml
@@ -62,3 +62,22 @@
file:
path: /etc/cron.d/mysql-snapshot
state: absent
+
+- name: Create mariadb.service override directory
+ file:
+ path: /etc/systemd/system/mariadb.service.d
+ state: directory
+ owner: root
+ group: root
+ mode: '0755'
+
+- name: Configure binlog
+ template:
+ src: override.conf
+ dest: /etc/systemd/system/mariadb.service.d/override.conf
+ owner: root
+ group: root
+ mode: '0644'
+ notify:
+ - Reload systemd
+ - Restart mariadb.service
diff --git a/mysql/templates/override.conf b/mysql/templates/override.conf
new file mode 100644
index 0000000..8db12af
--- /dev/null
+++ b/mysql/templates/override.conf
@@ -0,0 +1,2 @@
+[Service]
+Environment=MYSQLD_OPTS={{ '--log-bin' if mysql_enable_binlog }}
--
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