From a3f5acdaa55acddeba1f66bbe4fd4d6d68a52ecc Mon Sep 17 00:00:00 2001
From: Thomas Constans <thomas@opendoor.fr>
Date: Sat, 8 Jan 2022 11:44:12 +0100
Subject: [PATCH] check if server use log_bin and backup up master data
 accordingly

---
 mysql_backup.sh | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/mysql_backup.sh b/mysql_backup.sh
index 1aa3892..ffc066d 100755
--- a/mysql_backup.sh
+++ b/mysql_backup.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#! /bin/bash
 
 # script de sauvegarde mysql
 # pour version 5.7, ne sauvegarde pas la base information_schema
@@ -12,11 +12,17 @@ error=0
 mkdir  -p $dir
 cd $dir
 
+# check if we use binlog
+
+log_bin=$(mysql --defaults-file=${defaultfile} --batch -e "show variables like 'log_bin'"  --skip-column-names| awk '{print $2}')
+
+if [ log_bin='OFF' ] ; then master_data_option='' ; else master_data_option='--master-data=2' ; fi
+
 bases=$(mysql --defaults-file=${defaultfile} --batch -e 'show databases'  --skip-column-names)
 for b in $bases ; do
         if [ "$b" == "information_schema" ] ; then continue ; fi
         if [ "$b" == "performance_schema" ] ; then continue ; fi
-        mysqldump --defaults-file=${defaultfile} --master-data=2 --single-transaction --events  --databases    $b --opt > ${b}.sql
+        mysqldump --defaults-file=${defaultfile}  --single-transaction $master_data_option --events --routines  --databases    $b --opt > ${b}.sql
         let "error=$error+$?"
         gzip --force ${b}.sql
 done
@@ -28,4 +34,3 @@ if [ $error -eq 0 ] ; then
    find $rdir  -maxdepth 1 -type d -mtime +${rotate} -exec rm -fr {} \;
 fi
 exit $error
-