#!/bin/bash

set -eu

# Builds the docker images.
# Usage: ./build {COMPONENTS}, or just ./build to build all.
# The resulting images are named wubloader-COMPONENT.
# Pass PUSH=true to also push the resulting images, or PUSH=latest to push them as :latest tag

# The different images we can build
COMPONENTS=(downloader restreamer backfiller thrimshim cutter sheetsync nginx postgres segment_coverage)

# Define push if not already defined
PUSH=${PUSH:-}

# Base is the repository namespace information, not including the wubloader-component part.
BASE="quay.io/ekimekim"

# The docker image tag, derived from the git commit + whether working tree is clean
TAG=$(git rev-parse --short HEAD)
if [ -n "$(git status --porcelain --untracked-files=no)" ]; then
	TAG="$TAG-wip"
fi

if [ "$#" -gt 0 ]; then
	COMPONENTS=("$@")
fi

for component in "${COMPONENTS[@]}"; do
	echo "Building image for $component"
	latest="$BASE/wubloader-$component:latest"
	specific="$BASE/wubloader-$component:$TAG"
	docker build \
		-f "$component/Dockerfile" \
		-t "$latest" \
		-t "$specific" \
		.
	echo "Built image wubloader-$component:$TAG"
	if [ -n "$PUSH" ]; then
		echo "Pushing tag $specific"
		docker push "$specific"
	fi
	if [ "$PUSH" == "latest" ]; then
		echo "Pushing tag $latest"
		docker push "$latest"
	fi
done