minimesos

#!/usr/bin/env bash

MINIMESOS_TAG="0.9.1"
DOCKER_BIN="$(command -v docker)"
PARAMS="$@"
MINIMESOS_CLI_IMAGE="containersol/minimesos-cli"

command_exists() {
    command -v "$@" > /dev/null 2>&1
}

DOCKER_VERSION=$(docker version --format "{{.Server.Version}}")
SMALLEST_VERSION=$(printf "%s\n1.11.0\n" $DOCKER_VERSION | sort -t '.' -k 1,1 -k 2,2 -k 3,3 -k 4,4 -g | head -n 1)

if ! command_exists docker || [ $SMALLEST_VERSION != "1.11.0" ]; then
    echo "Minimesos requires Docker 1.11.0 or higher"
    exit 1
fi

if [ "$DOCKER_HOST" != "" ] && [[ $DOCKER_HOST == tcp* ]]; then
    DOCKER_HOST_IP=$(echo "$DOCKER_HOST" | grep -o '[0-9]\+[.][0-9]\+[.][0-9]\+[.][0-9]\+')
elif command_exists docker-machine && [ "$DOCKER_MACHINE_NAME" != "" ]; then
    DOCKER_HOST_IP=$(docker-machine ip ${DOCKER_MACHINE_NAME})
elif [ $(uname) != "Darwin" ]; then
    DOCKER_HOST_IP=$(ip addr show dev docker0 | grep inet | sed -r "s/.*inet\s([0-9\.]+)\/.*/\1/" | head -n 1)
else
    DOCKER_HOST_IP=""
fi

pullImage() {
    if [ "$(docker images $1 | grep $2 2> /dev/null)" = "" ]; then
	echo "Pulling $1:$2"
	docker pull "$1:$2"
    fi
}

if [ "$#" -gt 0 -a "$1" = up ]; then
    pullImage ${MINIMESOS_CLI_IMAGE} ${MINIMESOS_TAG}
fi

MINIMESOS_HOST_DIR="$(pwd)"
MINIMESOS_DIR="$(pwd)/.minimesos"
if [ ! -d "${MINIMESOS_DIR}" ]; then
    mkdir -p "${MINIMESOS_DIR}"
    echo "# Created minimesos directory at ${MINIMESOS_DIR}."
fi

docker run --rm -v "${MINIMESOS_HOST_DIR}":"${MINIMESOS_HOST_DIR}" \
       -v /var/run/docker.sock:/var/run/docker.sock \
       -v /sys/fs/cgroup:/sys/fs/cgroup \
       -v ${DOCKER_BIN}:/usr/bin/docker \
       -i \
       --env DOCKER_HOST_IP=${DOCKER_HOST_IP} \
       --entrypoint java \
       ${MINIMESOS_CLI_IMAGE}:${MINIMESOS_TAG} \
       -Dminimesos.host.dir="${MINIMESOS_HOST_DIR}" \
       -jar /usr/local/share/minimesos/minimesos-cli.jar ${PARAMS}