library/roles/mysql: Some fixes to the mysql backup scripts.

mysql/defaults/main.yml

@@ -44,6 +44,4 @@ mysql_backup_logfile: '{{ mysql_backup_logdir }}/my_backup.log'
 mysql_backup_retain_copies: 15
 mysql_backup_destdir: /var/lib/mysql-backup
 mysql_backup_exclude_list: "performance_schema"
-mysql_backup_crontab_minute: 0
-mysql_backup_crontab_hour: 2
 

mysql/files/mysql-backup.sh

@@ -64,6 +64,7 @@ if [ ! -f $LOCKFILE ] ; then
     echo "$TIMESTAMP" > $TIMESTAMP_LOG
     rm -f $LOCKFILE
 else
+    echo "Old backup still running" > /var/log/mysql-backup.log
     RETVAL=2
     if [ "${MY_BACKUP_USE_NAGIOS}" == "True" ] ; then
         echo "old backup still running:WARNING" >> $NAGIOS_LOG

mysql/tasks/mysql-backup.yml

@@ -1,6 +1,6 @@
 ---
 - name: Install a script that performs mysql dumps
-  copy: src=mysql-backup.sh dest=/usr/local/bin/mysql-backup owner=root group=root mode=0750
+  copy: src=mysql-backup.sh dest=/usr/local/sbin/mysql-backup owner=root group=root mode=0750
   tags: [ 'mysql', 'mysql_backup' ]
 
 - name: Install the mysql backup defaults
@@ -8,5 +8,5 @@
   tags: [ 'mysql', 'mysql_backup' ]
 
 - name: Cron job that executes mysql nightly backups
-  copy: src=mysql-backup.cron dest=/etc/cron.d/mysql-backup owner=root group=root mode=0644
+  copy: src=mysql-backup.cron dest=/etc/cron.daily/mysql-backup owner=root group=root mode=0755
   tags: [ 'mysql', 'mysql_backup' ]

mysql/templates/mysql-backup.cron.j2

@@ -1 +1,11 @@
-{{ mysql_backup_crontab_minute }} {{ mysql_backup_crontab_hour }} * * * root /usr/local/bin/mysql-backup > /var/log/mysql-backup.log 2>&1
+#!/bin/bash
+
+LOG_FILE=/var/log/mysql-backup.log
+if [ -x /etc/cron.daily/duplicity_backup ] ; then
+    echo "duplicity backups active. Exiting" > $LOG_FILE
+    exit 0
+fi
+
+/usr/local/sbin/mysql-backup > $LOG_FILE 2>&1
+
+exit 0