Add a bash script to backup all database containers as text

This commit is contained in:
Jake Howard 2021-04-25 21:39:11 +01:00
parent 8ab0d7cd80
commit f2d3cb0835
Signed by: jake
GPG key ID: 57AFB45680EDD477

View file

@ -0,0 +1,37 @@
#!/usr/bin/env bash
DATE=$(date -I)
BACKUP_DIR=$1
if [ -z "$BACKUP_DIR" ]
then
echo "No backup dir"
fi
all_containers=$(docker ps --format "{{.ID}}:{{ .Image }}")
for line in $all_containers
do
IFS=':' read -a container_details <<< $line
container_name=${container_details[1]}
container_id=${container_details[0]}
backup_name=$BACKUP_DIR/$db_name-$DATE.sql
case "$container_name" in
"mariadb")
db_name=$(docker exec $container_id bash -c 'echo $MYSQL_USER')
echo Backing up mariadb $db_name to $backup_name
docker exec $container_id bash -c 'mysqldump -u $MYSQL_USER -p$MYSQL_PASSWORD --all-databases' | pv > $backup_name
;;
"postgres")
db_name=$(docker exec $container_id bash -c 'echo $POSTGRES_USER')
echo Backing up postgres $db_name to $backup_name
docker exec $container_id bash -c 'PGPASSWORD=$POSTGRES_PASSWORD pg_dumpall -U $POSTGRES_USER' | pv > $backup_name
;;
esac
done
echo "Setting user permissions..."
chown -R root:root $BACKUP_DIR