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check if server use log_bin and backup up master data accordingly

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Thomas Constans
2022-01-08 11:44:12 +01:00
parent a861ad710b
commit a3f5acdaa5
1 changed files with 8 additions and 3 deletions
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11
mysql_backup.sh
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@@ -1,4 +1,4 @@
#!/bin/bash #! /bin/bash
# script de sauvegarde mysql # script de sauvegarde mysql
# pour version 5.7, ne sauvegarde pas la base information_schema # pour version 5.7, ne sauvegarde pas la base information_schema
@@ -12,11 +12,17 @@ error=0
mkdir -p $dir mkdir -p $dir
cd $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=${defaultfile} --batch -e 'show databases' --skip-column-names) bases=$(mysql --defaults-file=${defaultfile} --batch -e 'show databases' --skip-column-names)
for b in $bases ; do for b in $bases ; do
if [ "$b" == "information_schema" ] ; then continue ; fi if [ "$b" == "information_schema" ] ; then continue ; fi
if [ "$b" == "performance_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+$?" let "error=$error+$?"
gzip --force ${b}.sql gzip --force ${b}.sql
done done
@@ -28,4 +34,3 @@ if [ $error -eq 0 ] ; then
find $rdir -maxdepth 1 -type d -mtime +${rotate} -exec rm -fr {} \; find $rdir -maxdepth 1 -type d -mtime +${rotate} -exec rm -fr {} \;
fi fi
exit $error exit $error