docker_utils

#!/bin/bash

# NOTE: uses standard container names/ports et all
# TODO: use env vars or something

function run_docker {
    CONTAINER=$1
    shift
    ${DOCKER_COMMAND}exec $TERM_FLAG $CONTAINER $DOCKER_DELIM $*
}

function fix_exit_code {
    CODE=$?
    if [ $CODE -eq 5 ]; then
        exit 0
    else
        exit $CODE
    fi
}


# Checking if native docker is available
# TODO: what if we have a docker AND a VM setup? exotic case, do something about it
if which docker > /dev/null 2>&1 ; then
    DOCKER_COMMAND="docker "
    DOCKER_DELIM=""

    # Checking if we are run from interactive terminal
    if [ -t 0 ] ; then
        TERM_FLAG="-it"
    else
        TERM_FLAG="-i"
    fi
else
    DOCKER_COMMAND="vagrant docker-"
    DOCKER_DELIM="--"

    # Pretend there is a tty
    TERM_FLAG="-it"
    if [ ! -t 0 ] ; then
        # TODO: #11
        echo "Piping is not supported, see #11"
        exit 1
    fi
fi

case `basename $0` in
    sql_access)
    if [ -z $1 ]; then
      SQL_USER=promis
    else
      SQL_USER=$1
    fi
    if [ -z $2 ]; then
      SQL_DB=promisdb
    else
      SQL_DB=$2
    fi
    run_docker db.promis psql -U $SQL_USER $SQL_DB
    ;;

    backend_shell)
    run_docker api.promis python promis/manage.py shell
    ;;

    backend_command)
    run_docker api.promis python promis/manage.py $*
    ;;

    backend_bash)
    run_docker api.promis bash
    ;;

    backend_test)
    run_docker api.promis py.test -v promis/
    fix_exit_code
    ;;

    integration_test)
    if ! vagrant status test.promis 2>&1 | grep 'running (docker)' >/dev/null; then
      vagrant up test.promis
    fi
    run_docker test.promis py.test -v

    fix_exit_code
    ;;
esac