infrastructure/ansible/roles/docker_cleanup/files/docker-utils/db-backup

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#!/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=${container_details[0]}
case "$container_name" in
"mariadb")
db_name=$(docker exec $container_id bash -c 'echo $MYSQL_USER')
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echo Backing up mariadb $db_name
docker exec $container_id bash -c 'mysqldump -u $MYSQL_USER -p$MYSQL_PASSWORD --all-databases' | pv > $BACKUP_DIR/$db_name-$DATE.sql
;;
"postgres")
db_name=$(docker exec $container_id bash -c 'echo $POSTGRES_USER')
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echo Backing up postgres $db_name
docker exec $container_id bash -c 'PGPASSWORD=$POSTGRES_PASSWORD pg_dumpall -U $POSTGRES_USER' | pv > $BACKUP_DIR/$db_name-$DATE.sql
;;
"yandex/clickhouse-server")
# Hardcode for plausible
tables=$(docker exec $container_id clickhouse-client --query "SELECT name FROM system.tables where database == 'plausible';")
for table in $tables
do
echo Backing up clickhouse table $table
docker exec $container_id clickhouse-client --query "SELECT * FROM plausible.$table" --format CSVWithNames | pv > $BACKUP_DIR/plausible-$table-$DATE.csv
done
;;
esac
done
echo "Setting user permissions..."
chown -R root:root $BACKUP_DIR