From a42b035e106ea8fa7a906d8a5a18cac593366c86 Mon Sep 17 00:00:00 2001
From: Adar Nimrod <nimrod@shore.co.il>
Date: Sun, 1 Nov 2015 22:01:57 +0200
Subject: [PATCH] Universal backup script (doesn't have to know about databases
before running).
---
files/backup.sh | 21 +++++++++++++++++++++
tasks/main.yml | 16 +++++++++++-----
templates/mysql.j2 | 2 --
3 files changed, 32 insertions(+), 7 deletions(-)
create mode 100644 files/backup.sh
delete mode 100644 templates/mysql.j2
diff --git a/files/backup.sh b/files/backup.sh
new file mode 100644
index 0000000..5b34c25
--- /dev/null
+++ b/files/backup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh -e
+# Back up all databases, each to a seperate file.
+
+backup() {
+ mysqldump --defaults-file=/etc/mysql/debian.cnf \
+ --single-transaction \
+ --force \
+ --result-file=/var/backups/mysql_$1.sql $1
+}
+
+# TODO: Find a way to remove table formatting from this command.
+#alias show='mysqlshow --defaults-file=/etc/mysql/debian.cnf'
+alias show="mysql --defaults-file=/etc/mysql/debian.cnf -e 'show databases;'"
+
+# The reason for dropping the first 4 lines is that the first line is the
+# heading and 3 following lines are databases internal to MySQL and thus their
+# backup is not needed.
+for database in $(show | tail -n+5)
+do
+ backup $database
+done
diff --git a/tasks/main.yml b/tasks/main.yml
index d20fcad..f8cb0c4 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -24,23 +24,29 @@
- cron
- name: Create database
+ when: mysql_database is defined
mysql_db:
+ login_user: root
+ login_password: '{{ mysql_root_password }}'
collation: utf8_general_ci
encoding: utf8
name: '{{ mysql_database }}'
state: present
- name: Create account
+ when: mysql_user is defined and mysql_database is defined
mysql_user:
+ login_user: root
+ login_password: '{{ mysql_root_password }}'
name: '{{ mysql_user }}'
- password: '{{ mysql_password }}'
+ password: '{{ mysql_password|default(omit) }}'
priv: '{{ mysql_database }}.*:SELECT,INSERT,UPDATE,DELETE,CREATE,INDEX'
state: present
- name: Add daily backup job
- template:
- src: mysql.j2
- dest: '/etc/cron.daily/mysql_{{ mysql_database }}'
+ copy:
+ src: backup.sh
+ dest: /etc/cron.daily/mysql
owner: root
group: root
- mode: '0700'
+ mode: '0755'
diff --git a/templates/mysql.j2 b/templates/mysql.j2
deleted file mode 100644
index 2867b90..0000000
--- a/templates/mysql.j2
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh -e
-mysqldump --user root --password {{ mysql_root_password }} --single-transaction --force {{ mysql_database }} > /var/backups/mysql_{{ mysql_database }}.sql
--
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