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adds postgres script and backup all databases #3

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26 changes: 21 additions & 5 deletions db-container-backup/db-container-backup.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ DAYS=2
BACKUPDIR=/home/xcad/backup


# backup all mysql/mariadb containers
# backup all mysql/mariadb containers and all databases

CONTAINER=$(docker ps --format '{{.Names}}:{{.Image}}' | grep 'mysql\|mariadb' | cut -d":" -f1)

Expand All @@ -21,19 +21,35 @@ if [ ! -d $BACKUPDIR ]; then
fi

for i in $CONTAINER; do
MYSQL_DATABASE=$(docker exec $i env | grep MYSQL_DATABASE |cut -d"=" -f2)

MYSQL_PWD=$(docker exec $i env | grep MYSQL_ROOT_PASSWORD |cut -d"=" -f2)

docker exec -e MYSQL_DATABASE=$MYSQL_DATABASE -e MYSQL_PWD=$MYSQL_PWD \
$i /usr/bin/mysqldump -u root $MYSQL_DATABASE \
| gzip > $BACKUPDIR/$i-$MYSQL_DATABASE-$(date +"%Y%m%d%H%M").sql.gz
docker exec -e MYSQL_PWD=$MYSQL_PWD $i /usr/bin/mysqldump \
--all-databases --ignore-database=mysql -u root \
| gzip > $BACKUPDIR/$i-$(date +"%Y%m%d%H%M").sql.gz

OLD_BACKUPS=$(ls -1 $BACKUPDIR/$i*.gz |wc -l)
if [ $OLD_BACKUPS -gt $DAYS ]; then
find $BACKUPDIR -name "$i*.gz" -daystart -mtime +$DAYS -delete
fi
done

# backup all postgres containers and all databases

POSTGRES_CONTAINER=$(docker ps --format '{{.Names}}:{{.Image}}' | grep 'postgres' | cut -d":" -f1)

for i in $CONTAINER; do
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@cerebrux cerebrux Dec 17, 2023

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This is wrong. You are checking again the same variable and not POSTGRES_CONTAINER

It should be :

for i in $POSTGRES_CONTAINER; do

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@dagistan-tuncbilek dagistan-tuncbilek Dec 17, 2023

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Yes, here i made a type. You are rigth, thanks.


POSTGRES_USER=$(docker exec $i env | grep POSTGRES_USER |cut -d"=" -f2)

docker exec -t $i pg_dumpall --exclude-database=template1 \
-c -U $POSTGRES_USER | gzip > $BACKUPDIR/$i-$(date +"%Y%m%d%H%M").sql.gz

OLD_POSTGRES_BACKUPS=$(ls -1 $BACKUPDIR/$i*.gz |wc -l)
if [ $OLD_POSTGRES_BACKUPS -gt $DAYS ]; then
find $BACKUPDIR -name "$i*.gz" -daystart -mtime +$DAYS -delete
fi
done

# bitwarden backup

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