prune.sh

#!/bin/sh
stacks=$(docker stack ls | grep -o -P 'chatchain-pr-.{1}' | cut -c14-) 
stackprefix=chatchain-pr-
databasesuffix=_mongo-databases
networksuffix=_internal
matchuntilblankspace='\S*'

githubpullprefix=https://github.com/ldtteam/chatchain/pull/

delete_stack() {
	echo
	echo ----- Removing Stack: $stack -----
    docker stack rm $stackprefix$stack
	containers=$(docker ps -a | grep -o -P $stackprefix$stack$matchuntilblankspace)
	for container in $containers
	do
		docker container rm -f -v $container
	done
	docker volume rm $volume
	docker network rm $network
	echo ------------------------------
}

for stack in $stacks
do
	echo
	echo Stack: $stackprefix$stack
	echo Pull Request: $githubpullprefix$stack
	state=$(curl https://api.github.com/repos/ldtteam/chatchain/pulls/$stack -s | jq -r '.state')
	echo Status: $state

	volumename=$stackprefix$stack$databasesuffix
	volume=$(docker volume ls | grep -o -P $volumename) # just in case it doesn't exist
	echo Volume: $volume

	networkname=$stackprefix$stack$networksuffix
	network=$(docker network ls | grep -o -P $networkname) # just in case it doesn't exist
	echo Network: $network

	services=$(docker service ls | grep -o -P $stackprefix$stack$matchuntilblankspace)
	echo ----- Services -----
	for service in $services
	do
		echo $service
	done
	echo --------------------

	if [ $state != open ]
	then
	#	echo $stack
		delete_stack $stack $volume $network
	fi
done

echo
echo ----- Pruning Images -----
docker image prune -f
echo --------------------------