### This file is not meant to be run directly, but to be sourced from
### the dev script. It defines all the functions required to run a
### citus docker container.


######################
#    Configuration   #
######################

if [ "$MODE" = "test" ]; then
  CITUS_PORT=55432
else
  CITUS_PORT=65432
fi

CITUS_PASSWORD=hasuraCITUS2
CITUS_VOLUME_NAME='hasura-dev-citus-single'
CITUS_CONTAINER_NAME="hasura-dev-citus-single-$CITUS_PORT"
CITUS_DB_URL="postgres://postgres:$CITUS_PASSWORD@127.0.0.1:$CITUS_PORT/postgres"
CITUS_DB_DOCKER_URL="postgres://postgres:$CITUS_PASSWORD@127.0.0.1:5432/postgres"
CITUS_DOCKER="docker exec -u postgres -it $CITUS_CONTAINER_NAME psql $CITUS_DB_DOCKER_URL"


######################
#     Functions      #
######################

function citus_launch_container {
  echo_pretty "Launching Citus container: $CITUS_CONTAINER_NAME"
  docker volume create "$CITUS_VOLUME_NAME"
  docker run \
    --name "$CITUS_CONTAINER_NAME" \
    -p "127.0.0.1:$CITUS_PORT:5432" \
    --expose="$CITUS_PORT" \
    --volume="${CITUS_VOLUME_NAME}:/var/lib/postgresql/data" \
    --env=POSTGRES_PASSWORD="$CITUS_PASSWORD" \
    --detach \
    citusdata/citus:10.1
}

function citus_wait {
  echo -n "Waiting for citus to come up"
  until ( $CITUS_DOCKER -c "SELECT * FROM citus_version();" ) &>/dev/null; do
    echo -n '.' && sleep 0.2
  done
  echo " Ok"
}

function citus_cleanup {
  echo_pretty "Removing $CITUS_CONTAINER_NAME and its volumes in 5 seconds!"
  echo_pretty "  PRESS CTRL-C TO ABORT removal of all containers, or ENTER to clean up right away"
  read -t5 || true
  docker stop "$CITUS_CONTAINER_NAME"
  docker rm -v "$CITUS_CONTAINER_NAME"
  docker volume rm "$CITUS_VOLUME_NAME"
}