#!/bin/bash

## Init is run on host
## For now it is run every time the script is launched, but
## it should be launched only once after build.

## Accessible variables are:
## - SERVICE_NAME        Name of current service
## - DOCKER_BASE_IMAGE   Base image from which this service might be built if any
## - SERVICE_DATASTORE           Location on host of the DATASTORE of this service
## - SERVICE_CONFIGSTORE         Location on host of the CONFIGSTORE of this service


set -e

version_gt() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }

## bug: https://github.com/adoptium/containers/issues/215#issuecomment-1142046045
docker_version=$(docker info --format '{{.ServerVersion}}')
if ! version_gt "$docker_version" 20.10.0; then
    err "Sorry, $SERVICE_NAME require docker version >= 20.10 (current: $docker_version)"
    exit 1
fi