test

#!/usr/bin/env bash
set -ex

NAME_NETWORK=hintr_network
NAME_LOADBALANCER=hintr_loadbalancer
NAME_REDIS=hintr_redis
NAME_HINTR=hintr

function cleanup {
    echo "Cleaning up"
    docker kill $NAME_REDIS >/dev/null || true
    docker kill $NAME_HINTR >/dev/null || true
    docker kill $NAME_LOADBALANCER >/dev/null || true
    docker network rm $NAME_NETWORK >/dev/null || true
}

trap cleanup EXIT

docker network create $NAME_NETWORK

docker run --rm -d --network=$NAME_NETWORK --network-alias=redis \
    --name $NAME_REDIS redis

docker run --rm -d --network=$NAME_NETWORK \
    -e REDIS_URL=redis://redis:6379 \
    --name $NAME_HINTR \
    mrcide/hintr:master

docker run --rm -d --network=$NAME_NETWORK \
    -p 8888:8888 \
    --name $NAME_LOADBALANCER \
    "$TAG_BRANCH"

## Data API is running
sleep 2
docker exec $NAME_LOADBALANCER configure_backend -p 8888 --address $NAME_HINTR

## curl command will error with message
## curl: (56) Recv failure: Connection reset by peer
## if you try to get status before server is ready to
## accept connections. Ideally we would use curl --retry-all-errors
## but this only available in 7.71.0 which is not available
## in standard ubuntu package sources yet
function retry() {
    local -r -i max_attempts="$1"
    shift
    local -i attempt_num=1
    until [[ $($@) == '{"status":"success","errors":null,"data":"Welcome to hintr"}' ]]; do
        if ((attempt_num == max_attempts)); then
            echo "Attempt $attempt_num failed and there are no more attempts left!"
            return 1
        else
            echo "Attempt $attempt_num failed! Trying again in $attempt_num seconds..."
            sleep $((attempt_num++))
        fi
    done
    echo "SUCCESS"
    exit 0
}

retry 10 curl --silent http://localhost:8888