#!/bin/bash

# check-container-environment.sh
# ---
#
# This script is used to validate that the current environment has containers
# available which can serve our testing suites, and will download a copy of
# Kubernetes In Docker (KIND) if needed so that we can deploy a Kubernetes
# cluster inside a container for testing purposes. This script is generally only
# run inside CI.

set -euo pipefail

KIND_VERSION="v0.14.0"

# ensure docker command is accessible
if ! command -v docker &> /dev/null
then
    echo "ERROR: docker command not found"
    exit 10
fi

# ensure kind command is accessible
if ! command -v kind &> /dev/null
then
    go install -v sigs.k8s.io/kind@${KIND_VERSION}
fi

DOCKER_VERSION="$(docker -v)"
KIND_VERSION="$(kind version)"

echo "INFO: container environment ready DOCKER=(${DOCKER_VERSION}) KIND=(${KIND_VERSION})"