backup-docker/setup.sh

#!/usr/bin/env sh

set -e

if [ -n "$RCLONE_CONFIG_FILE" ]; then 
    echo "$RCLONE_CONFIG_FILE" > "${RCLONE_CONFIG:=/config/rclone.conf}"
fi

if [ -z "${RCLONE_CONFIG}" ]; then
    RCLONE_CONFIG="/config/rclone.conf"
    [ -e "${RCLONE_CONFIG}" ] || echo "No config file found"
    echo "\$RCLONE_CONFIG not set. Defaulting to \"/config/rclone.conf\""
fi

export RCLONE_CONFIG

if [ -z "$RCLONE_REMOTE" ]; then
    RCLONE_REMOTE="$(rclone listremotes | head -1)/backup"
    echo "\$RCLONE_REMOTE not set. Defaulting to \"$RCLONE_REMOTE\""
fi

RESTIC_REPOSITORY="rclone:$RCLONE_REMOTE"

if [ -n "${RESTIC_PASSWORD}" ] && [ -n "$RESTIC_PASSWORD_FILE" ]; then 
    echo "\$RESTIC_PASSWORD or \$RESTIC_PASSWORD_FILE is not set"
fi

if [ -n "${MYSQL_PASSWORD}" ]; then 
    MYSQL_PASSWORD_ACTUAL="${MYSQL_PASSWORD}"
elif [ -n "${MYSQL_PASSWORD_FILE}" ]; then
    MYSQL_PASSWORD_ACTUAL=$(cat "$MYSQL_PASSWORD_FILE")
fi

if [ -n "$POSTGRES_PASSWORD" ];then 
    PGPASSWORD="$POSTGRES_PASSWORD"
elif [ -n "$POSTGRES_PASSWORD_FILE" ]; then
    PGPASSWORD=$(cat "$POSTGRES_PASSWORD_FILE")
fi

export RCLONE_REMOTE
export RESTIC_PASSWORD
export MYSQL_PASSWORD_ACTUAL
export RESTIC_REPOSITORY
export PGPASSWORD