rallly/pg_backup.sh
2024-10-22 21:54:28 +02:00

35 lines
888 B
Bash

#!/bin/bash
set -e
BACKUP_FILE='/var/lib/postgresql/data/backup.sql'
function backup {
export PGPASSWORD=$(cat /run/secrets/db_password)
pg_dump -U ${POSTGRES_USER} ${POSTGRES_DB} > $BACKUP_FILE
}
function restore {
cd /var/lib/postgresql/data/
restore_config(){
# Restore allowed connections
cat pg_hba.conf.bak > pg_hba.conf
su postgres -c 'pg_ctl reload'
}
# Don't allow any other connections than local
cp pg_hba.conf pg_hba.conf.bak
echo "local all all trust" > pg_hba.conf
su postgres -c 'pg_ctl reload'
trap restore_config EXIT INT TERM
# Recreate Database
psql -U ${POSTGRES_USER} -d postgres -c "DROP DATABASE ${POSTGRES_DB} WITH (FORCE);"
createdb -U ${POSTGRES_USER} ${POSTGRES_DB}
psql -U ${POSTGRES_USER} -d ${POSTGRES_DB} -1 -f $BACKUP_FILE
trap - EXIT INT TERM
restore_config
}
$@