From b7593a667481f4b78765e843975eeefc8802eba1 Mon Sep 17 00:00:00 2001
From: Thomas Constans <thomas@opendoor.fr>
Date: Wed, 9 Feb 2022 10:04:28 +0100
Subject: [PATCH] add readme and status file

---
 Readme.md       | 13 +++++++++++++
 mysql_backup.sh |  2 ++
 2 files changed, 15 insertions(+)
 create mode 100644 Readme.md

diff --git a/Readme.md b/Readme.md
new file mode 100644
index 0000000..2d51057
--- /dev/null
+++ b/Readme.md
@@ -0,0 +1,13 @@
+# Mysql backup
+
+create dump of all mysql databases, one file per database
+
+including grants
+
+backups done in /root/backups/mysql - you can pass it another dir as argument too
+
+depends on a default files (default /root/.my.cnf) containing credentials
+
+Keeps 15 (can be changed)  days of backup
+
+create a status file containing exit code (you should monitor that file mtime and content)
\ No newline at end of file
diff --git a/mysql_backup.sh b/mysql_backup.sh
index ffc066d..ddc1b23 100755
--- a/mysql_backup.sh
+++ b/mysql_backup.sh
@@ -9,6 +9,7 @@ defaultfile=/root/.my.cnf
 rdir=${1:-/root/backups/mysql}
 dir=${rdir}/$(date "+%Y.%m.%d")
 error=0
+status_file=/var/run/backup_mysql.status
 mkdir  -p $dir
 cd $dir
 
@@ -33,4 +34,5 @@ while read uh; do mysql --defaults-file=${defaultfile} -BNe "show grants for $uh
 if [ $error -eq 0 ] ; then
    find $rdir  -maxdepth 1 -type d -mtime +${rotate} -exec rm -fr {} \;
 fi
+echo $error > $status_file
 exit $error